US3857170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for positioning components of dynamoelectric machine for assembly
Assignee: General Electric Co
•
Filing: 1973-09-14
•
Granted: 1974-12-31
•
Expires: 1993-09-14
Abstract
Abstract A method of positioning components of a dynamoelectric machine for assembly and compensating for out-of-square stators. A rotatable assembly of the dynamoelectric machine is supported in at least one end frame thereof with the out-of-square stator disposed about the rotatable assembly, and the stator is moved substantially along the axis of the rotatable assembly to a position for assembly without skewing the stator with respect to the axis. Apparatus for positioning components of a dynamoelectric machine for assembly to compensate for an out-ofsquare stator is also disclosed along with a method and apparatus for introducing a predetermined amount of end-play into the dynamoelectric machine between the end plate and rotatable assembly thereof.
Inventors
- 👤 J Stoner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:58
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/16; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/53; Y10T29/5313; Y10T29/53143
Claims Analysis
Total Claims: 86
Claim 1
Independent Claim
105 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof and having the stator disposed about the rotatable assembly; b. displacing a pair of means for clamping the stator into engagement with a high portion and a low portion on an end of the stator; and c. moving the stator and the clamping means conjointly generally coaxially with the axis of the rotatable assembly toward a position for assembly without skewing the stator with respect to the axis.
Claim 2
Independent Claim
105 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof and having the stator disposed about the rotatable assembly; b. displacing a pair of means for clamping the stator into engagement with a high portion and a low portion on an end of the stator; and c. moving the stator and the clamping means conjointly generally coaxially with the axis of the rotatable assembly toward a position for assembly without skewing the stator with respect to the axis.
Claim 3
Dependent Claim
20 words
The method as set forth in claim 1, comprising the additional step of locking the stator in its assembly position.
Claim 4
Dependent Claim
34 words
The method as set forth in claim 1, comprising the preliminary step of locating the rotatable assembly in one of the end frames for predetermining the position of the axis of the rotatable assembly.
Claim 5
Dependent Claim
29 words
The method as set forth in claim 1, comprising the intermediate step of biasing the rotatable assembly and the one end plate into engagement subsequent to the supporting step.
Claim 6
Dependent Claim
27 words
The method as set forth in claim 1, wherein the supporting step comprises placing the one end frame in a predetermined position on an assembling fixture therefor.
Claim 7
Dependent Claim
27 words
The method as set forth in claim 5, wherein the supporting step further comprises locating the rotatable assembly and the one end frame relative to each other.
Claim 8
Dependent Claim
43 words
The method as set forth in claim 6, wherein the locating step comprises inserting an end of a shaft of the rotatable assembly through means in the one end frame for bearing engagement with means for locating the shaft in the assembling fixture.
Claim 9
Dependent Claim
30 words
The method as set forth in claim 6, wherein the supporting step further comprises disposing about the rotatable assembly means for shim spacing between the rotatable assembly and the stator.
Claim 10
Dependent Claim
29 words
The method as set forth in claim 8, wherein the supporting step further comprises positioning a bore of the stator about the rotatable assembly and engaging the shim means.
Claim 11
Dependent Claim
51 words
The method as set forth in claim 9, comprising the intermediate step of biasing the rotatable assembly generally along the axis thereof for engaging the rotatable assembly with the one end frame and placing other means of another end frame for bearing engagement with the shaft on an opposite end thereof.
Claim 12
Dependent Claim
87 words
The method as set forth in claim 1, wherein the moving step further comprises terminating the conjoint displacement of the clamping means and the stator by engaging a high portion on an opposite end of the stator with one of a pair of means for stopping the stator and urging the one stopping means to a position defining with the other of the stopping means the assembly position of said stator upon the engaging of a low portion on the opposite end with the other stopping means.
Claim 13
Dependent Claim
29 words
The method as set forth in claim 1, wherein the moving step comprises driving the clamping means to positions for movement into engagement with the end of said stator.
Claim 14
Dependent Claim
33 words
The method as set forth in claim 12, wherein the moving step further comprises urging the clamping means toward engagement with the low portion and the high portion of the stator end, respectively.
Claim 15
Dependent Claim
41 words
The method as set forth in claim 13, wherein the moving step further comprises resisting further urging of one of the clamping means with the other thereof upon the engaging of the one clamping means with the stator end high portion.
Claim 16
Dependent Claim
47 words
The method as set forth in claim 14, wherein the moving step further comprises permitting the relative urging of the other clamping means for the engaging thereof with the stator end low portion upon the engaging of the one clamping means with the stator end high portion.
Claim 17
Dependent Claim
59 words
The method as set forth in claim 15, wherein the resisting and permitting steps comprise pivoting rocker arm means for arresting the urging force of the one clamping means upon the engaging thereof with the stator end high portion and thereby allowing the urging force of the other clamping means to engage it with the stator end low portion.
Claim 18
Dependent Claim
39 words
The method as set forth in claim 15, wherein the moving step further comprises effecting further conjoint urging of the clamping means respectively engaging the stator end high and low portion for moving the stator into its assembly position.
Claim 19
Dependent Claim
87 words
The method as set forth in claim 17, wherein the effecting step comprises engaging a high portion of an opposite end of the stator with one of a pair of means for stopping the stator and displacing the one stopping means to a position terminating the conjoint urging of the stator by the clamping means and defining with the other of the stopping means the stator assembly position upon the engaging of a low portion on the opposite end of the stator with the other stopping means.
Claim 20
Dependent Claim
58 words
The method as set forth in claim 18, wherein the engaging step comprises pivoting the rocker arm means for preventing the displacing of the one stopping means to the stator assembly position and thereby allowing the engaging of the stator opposite end low portion with the other stopping means for arresting the urging force of the clamping means.
Claim 21
Dependent Claim
28 words
The method as set forth in claim 1, comprising the additional step of introducing a predetermined amount of end play between the rotatable assembly and the end frames.
Claim 22
Independent Claim
141 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. pivoting a rocker arm and permitting relative movement of a pair of means thereof for clamping the stator in an assembly position to respectively engage a low portion and a high portion on an end of the stator; b. moving the clamping means and stator conjointly along the axis of a rotatable assembly received in the stator to the assembly position of the stator without skewing it with respect to the axis; and c. pivoting another rocker arm and permitting relative movement of a pair of means thereof for stopping the stator in its assembly position in response to the respective engaging of other high and low portions of an opposite end of said stator with the stopping means.
Claim 23
Independent Claim
141 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. pivoting a rocker arm and permitting relative movement of a pair of means thereof for clamping the stator in an assembly position to respectively engage a low portion and a high portion on an end of the stator; b. moving the clamping means and stator conjointly along the axis of a rotatable assembly received in the stator to the assembly position of the stator without skewing it with respect to the axis; and c. pivoting another rocker arm and permitting relative movement of a pair of means thereof for stopping the stator in its assembly position in response to the respective engaging of other high and low portions of an opposite end of said stator with the stopping means.
Claim 24
Independent Claim
111 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. urging a pair of means for clamping the stator in an assembly position toward the stator to engage one thereof with an end surface of the stator; b. pivoting the clamping means about a pivot point located a predetermined distance from a rotatable assembly disposed within the stator and generally on the axis of the rotatable assembly for engaging the other of the clamping means and the stator end surface; and c. moving the stator conjointly with the clamping means engaged therewith toward the assembly position for the stator.
Claim 25
Independent Claim
111 words
A method of positioning components of a dynamoelectric machine for assembly and compensating for an out-of-square stator comprising the steps of: a. urging a pair of means for clamping the stator in an assembly position toward the stator to engage one thereof with an end surface of the stator; b. pivoting the clamping means about a pivot point located a predetermined distance from a rotatable assembly disposed within the stator and generally on the axis of the rotatable assembly for engaging the other of the clamping means and the stator end surface; and c. moving the stator conjointly with the clamping means engaged therewith toward the assembly position for the stator.
Claim 26
Dependent Claim
45 words
The method as set forth in claim 22, comprising the intermediate step of resisting further urging of the one clamping means with the other clamping means upon the engaging of the one clamping means with the stator and high portion prior to the pivoting step.
Claim 27
Dependent Claim
24 words
The method as set forth in claim 22, wherein means is pivotally interconnected between the clamping means for pivoting generally about the pivot point.
Claim 28
Dependent Claim
39 words
The method as set forth in claim 22, comprising the additional step of engaging an opposite end of the stator with at least one of a pair of means for stopping the stator generally at the assembly position thereof.
Claim 29
Dependent Claim
76 words
The method as set forth in claim 22, comprising the additional step of engaging an opposite end of the stator with one of a pair of means for stopping the stator and displacing the one stopping means to a position terminating the movement of the stator by the clamping means and defining with the other of the stopping means the stator assembly position upon the engaging of the stator opposite end with the other stopping means.
Claim 30
Independent Claim
91 words
A method of predetermining end-play of a rotatable assembly in a dynamoelectric machine comprising the steps of: a. supporting an end frame serving generally as a reference for locating an end portion of the rotatable assembly disposed therein; b. sensing the position of a free end extending from the rotatable assembly end portion; and c. moving the rotatable assembly a predetermined distance from the sensed position of its free end relative to the end plate for predetermining the amount of end-play between the rotatable assembly end portion and the end frame.
Claim 31
Independent Claim
91 words
A method of predetermining end-play of a rotatable assembly in a dynamoelectric machine comprising the steps of: a. supporting an end frame serving generally as a reference for locating an end portion of the rotatable assembly disposed therein; b. sensing the position of a free end extending from the rotatable assembly end portion; and c. moving the rotatable assembly a predetermined distance from the sensed position of its free end relative to the end plate for predetermining the amount of end-play between the rotatable assembly end portion and the end frame.
Claim 32
Dependent Claim
32 words
The method as set forth in claim 27, wherein the sensing step comprises urging means for sensing the free end of the rotatable assembly into engagement therewith for determining the position thereof.
Claim 33
Dependent Claim
31 words
The method as set forth in claim 28, wherein the moving step comprises driving the rotatable assembly and the sensing means engaging the free end thereof conjointly through the predetermined distance.
Claim 34
Dependent Claim
51 words
The method as set forth in claim 28, comprising the preliminary step of disposing a pair of means for limiting the end play of the rotatable assembly the predetermined distance apart to respectively engage with at least a part of the sensing means and between which the sensing means is movable.
Claim 35
Dependent Claim
73 words
Apparatus for providing a predetermined amount of end-play between components of a dynamoelectric machine comprising means for sensing the position of an end portion of a rotatable assembly mounted in an end frame of the dynamoelectric machine, and means for conjointly actuating the sensing means and the rotatable assembly relative to the end frame from the sensed position to another position defining a predetermined amount of rotatable assembly end-play in the dynamoelectric machine.
Claim 36
Dependent Claim
73 words
Apparatus for providing a predetermined amount of end-play between components of a dynamoelectric machine comprising means for sensing the position of an end portion of a rotatable assembly mounted in an end frame of the dynamoelectric machine, and means for conjointly actuating the sensing means and the rotatable assembly relative to the end frame from the sensed position to another position defining a predetermined amount of rotatable assembly end-play in the dynamoelectric machine.
Claim 37
Dependent Claim
29 words
Apparatus as set forth in claim 31, wherein the sensing means comprises means movable relative to the end portion and into locating engagement therewith for determining its sensed position.
Claim 38
Dependent Claim
66 words
Apparatus as set forth in claim 31, wherein said sensing means comprises means adjustably movable relative to said end portion and into locating engagement therewith for determining its sensed position, and means for supporting said adjustably movaBle means and responsive to actuation of said actuating means for conjointly moving said adjustably movable means and said rotatable assembly from the sensed position to the other position thereof.
Claim 39
Dependent Claim
42 words
Apparatus as set forth in claim 33 further comprising a pair of abutments predeterminately spaced apart a distance substantially equal to the predetermined amount of end-play, the supporting means being movable between the abutments in response to actuation of the actuating means.
Claim 40
Dependent Claim
96 words
Apparatus for positioning components of a dynamoelectric machine for assembly to compensate for an out-of-square stator comprising means for supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof; and a pair of means for respective engagement with a low portion and a high portion on an end of the stator and operable generally for moving the stator relative to the one end frame and the rotatable assembly generally coaxially with the axis thereof toward an assembly position of the stator without skewing it with respective to the rotatable assembly axis.
Claim 41
Dependent Claim
96 words
Apparatus for positioning components of a dynamoelectric machine for assembly to compensate for an out-of-square stator comprising means for supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof; and a pair of means for respective engagement with a low portion and a high portion on an end of the stator and operable generally for moving the stator relative to the one end frame and the rotatable assembly generally coaxially with the axis thereof toward an assembly position of the stator without skewing it with respective to the rotatable assembly axis.
Claim 42
Dependent Claim
81 words
Apparatus as set forth in claim 35, wherein one of the engagement means engages the stator end high portion prior to the engagement of the other of the engagement means with the stator end low portion, and means connected with the engagement means for pivoting therebetween, the pivoting means being operable generally to effect relative motion between the engagement means and resist movement of the stator toward its assembly position until the other engagement means engages the stator end low portion.
Claim 43
Dependent Claim
40 words
Apparatus as set forth in claim 35, further comprising a pair of means for stopping the stator in its assembly position and for respective engagement with a low portion and a high portion on an opposite end of the stator.
Claim 44
Dependent Claim
89 words
Apparatus as set forth in claim 37, wherein one of the stopping means engages the stator opposite end high portion prior to the engagement of the other of the stopping means with the stator opposite end low portion, and further comprising other means connected with the stopping means for pivoting therebetween, the other pivoting means being operable generally to effect movement of the one stopping means relative to the other stopping means until it engages with the stator opposite end low portion in the assembly position of the stator.
Claim 45
Dependent Claim
26 words
Apparatus as set forth in claim 35, further comprising means for introducing a predetermined amount of end-play between the rotatable assembly and the one end plate.
Claim 46
Dependent Claim
27 words
Apparatus as set forth in claim 35, further comprising means for biasing the rotatable assembly substantially along the axis thereof toward engagement with the one end plate.
Claim 47
Dependent Claim
39 words
Apparatus as set forth in claim 35, wherein another end frame is received on the rotatable assembly opposite to the one end frame, and further comprising means for urging the other end frame toward engagement with the rotatable assembly.
Claim 48
Dependent Claim
19 words
Apparatus as set forth in claim 41, further comprising means for selectively interrupting the force of the urging means.
Claim 49
Dependent Claim
22 words
Apparatus as set forth in claim 35, further comprising means including the engagement means for locking the stator in its assembly position.
Claim 50
Dependent Claim
19 words
Apparatus as set forth in claim 35, further comprising means for locating the one end frame on the apparatus.
Claim 51
Dependent Claim
23 words
Apparatus as set forth in claim 35, further comprising means for locating the rotatable assembly to predetermine the position of the axis thereof.
Claim 52
Dependent Claim
22 words
Apparatus as set forth in claim 35, further comprising means for urging the rotatable assembly into engagement with the one end frame.
Claim 53
Dependent Claim
25 words
Apparatus as set forth in claim 35, further comprising means for disposing a plurality of shims about the rotatable assembly for spacing the stator therefrom.
Claim 54
Dependent Claim
26 words
Apparatus as set forth in claim 35, further comprising means for engagement with the opposite end of the stator for stopping it in its assembly position.
Claim 55
Dependent Claim
51 words
Apparatus as set fortH in claim 35, further comprising means for resisting movement of the stator toward its assembly position when one of the engagement means is engaged with the high portion on the stator end until the other of the engagement means engages the low portion on the stator end.
Claim 56
Dependent Claim
48 words
Apparatus as set forth in claim 37, further comprising means for effecting movement of one of the stopping means relative to the other thereof engaged with the high portion on the stator opposite end until the one stopping means engages the low portion of the stator opposite end.
Claim 57
Independent Claim
139 words
A method of positioning components of a dynamoelectric machine and compensating for an out-of-square stator comprising the steps of: a. supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof and having the stator disposed about the rotatable assembly; b. urging a pair of means for clamping the stator in an assembly position respectively toward engagement with a low portion and a high portion of an end of the stator and resisting further urging of one of the clamping means with the other thereof upon the engaging of the one clamping means with the high portion on the end of the stator; and c. moving the clamping means and the stator generally along the axis of the rotatable assembly toward the assembly position of the stator without skewing it with respect to the axis.
Claim 58
Independent Claim
139 words
A method of positioning components of a dynamoelectric machine and compensating for an out-of-square stator comprising the steps of: a. supporting a rotatable assembly of the dynamoelectric machine in at least one end frame thereof and having the stator disposed about the rotatable assembly; b. urging a pair of means for clamping the stator in an assembly position respectively toward engagement with a low portion and a high portion of an end of the stator and resisting further urging of one of the clamping means with the other thereof upon the engaging of the one clamping means with the high portion on the end of the stator; and c. moving the clamping means and the stator generally along the axis of the rotatable assembly toward the assembly position of the stator without skewing it with respect to the axis.
Claim 59
Dependent Claim
49 words
The method as set forth in claim 51, whrein the urging and resisting step further comprises permitting the relative urging of the other clamping means for the engaging thereof with the stator end low portion upon the engaging of the one clamping means with the stator end high portion.
Claim 60
Dependent Claim
63 words
The method as set forth in claim 52, wherein the urging and resisting step and the permitting step comprise pivoting a rocker arm for arresting the urging force of the one clamping means upon the engaging thereof with the stator end high portion and thereby allowing the urging force of the other clamping means to engage it with the stator end low portion.
Claim 61
Dependent Claim
50 words
The method as set forth in claim 52, wherein the moving step further comprises effecting conjoint urging of the clamping means to displace the stator generally coaxially of the rotatable assembly toward the assembly position of the stator without skewing it with respect to the axis of the rotatable assembly.
Claim 62
Dependent Claim
85 words
The method as set forth in claim 51, comprising the additional step of engaging a high portion of an opposite end of the stator with one of a pair of means for stopping the stator and displacing the one stopping means to a position terminating the urging of the stator by the clamping means thereby to define with the other of the stopping means the stator assembly position upon the engaging of a low portion on the stator opposite end with the other stopping means.
Claim 63
Dependent Claim
59 words
The method as set forth in claim 55, wherein the engaging and displacing step comprises pivoting a rocker arm for permitting the displacing of the one stopping means to the stator assembly position and thereby allowing the engaging of the stator opposite end low portion with the other stopping means for arresting the urging force of the clamping means.
Claim 64
Independent Claim
74 words
A method of predetermining end-play of a rotatable assembly in a dynamoelectric machine comprising the steps of: a. mounting the rotatable assembly with another component of the dynamoelectric machine generally in a located position; b. sensing the position of at least a portion of the rotatable assembly in the located position thereof; and c. displacing the rotatable assembly from the sensed position relative to the located position a predetermined distance generally constituting the end-play.
Claim 65
Independent Claim
74 words
A method of predetermining end-play of a rotatable assembly in a dynamoelectric machine comprising the steps of: a. mounting the rotatable assembly with another component of the dynamoelectric machine generally in a located position; b. sensing the position of at least a portion of the rotatable assembly in the located position thereof; and c. displacing the rotatable assembly from the sensed position relative to the located position a predetermined distance generally constituting the end-play.
Claim 66
Dependent Claim
28 words
The method as set forth in claim 57, wherein the sensing step comprises driving means for sensing the position of the rotatable assembly portion into sensing engagement therewith.
Claim 67
Dependent Claim
36 words
The method as set forth in claim 58, wherein the displacing step comprises moving conjointly the sensing means And the rotatable assembly respectively from the respective sensing position and located position thereof through the predetermined distance.
Claim 68
Dependent Claim
42 words
The method as set forth in claim 58, comprising the preliminary step of spacing at least a portion of the sensing means from means for motion limiting engagement therewith a distance generally constituting the predetermined amount of end-play of the rotatable assembly.
Claim 69
Dependent Claim
32 words
The method as set forth in claim 58, wherein the sensing step further comprises interrupting the driving of the sensing means generally upon the sensing engagement thereof with the rotatable assembly portion.
Claim 70
Dependent Claim
26 words
The method as set forth in claim 58, comprising the preliminary step of connecting the sensing means with means for driving it through the predetermined distance.
Claim 71
Dependent Claim
29 words
The method as set forth in claim 58, wherein the sensing means includes at least a torque screw for protractive and retractive movement to engage the rotatable assembly portion.
Claim 72
Dependent Claim
26 words
The method as set forth in claim 57, comprising the intermediate step of urging the rotatable assembly toward its located position prior to the sensing step.
Claim 73
Dependent Claim
29 words
The method as set forth in claim 57, comprising the intermediate step of containing means for urging the rotatable assembly toward its located position prior to the displacing step.
Claim 74
Dependent Claim
86 words
Apparatus for providing a predetermined amount of end play between components of a dynamoelectric machine comprising means for locating an end frame of a dynamoelectric machine, means for sensing the position of at least a portion of a rotatable assembly for the dynamoelectric machine mounted in the end frame, and means for driving both the sensing means and the rotatable assembly relative to the end frame through a predetermined distance generally constituting the predetermined amount of end play of the rotatable assembly in the dynamoelectric machine.
Claim 75
Dependent Claim
86 words
Apparatus for providing a predetermined amount of end play between components of a dynamoelectric machine comprising means for locating an end frame of a dynamoelectric machine, means for sensing the position of at least a portion of a rotatable assembly for the dynamoelectric machine mounted in the end frame, and means for driving both the sensing means and the rotatable assembly relative to the end frame through a predetermined distance generally constituting the predetermined amount of end play of the rotatable assembly in the dynamoelectric machine.
Claim 76
Dependent Claim
36 words
Apparatus as set forth in claim 66, further comprising means for motion limiting engagement with at least a portion of the sensing means and spaced from the sensing means a distance generally constituting the predetermined distance.
Claim 77
Dependent Claim
25 words
Apparatus as set forth in claim 66, further comprising means for moving the sensing means into sensing engagement with the portion of the rotatable assembly.
Claim 78
Dependent Claim
31 words
Apparatus as set forth in claim 68, further comprising means for interrupting the moving of the sensing means generally upon the sensing engagement thereof with the portion of the rotatable assembly.
Claim 79
Dependent Claim
43 words
Apparatus as set forth in claim 66, further comprising means for urging at least another portion of the rotatable assembly into locating engagement with the end frame so that the position of the first named portion of the rotatable assembly may be sensed.
Claim 80
Dependent Claim
31 words
Apparatus as set forth in claim 70, further comprising means for containing the urging means to permit the driving of the sensing means and the rotatable assembly through the predetermined distance.
Claim 81
Dependent Claim
33 words
Apparatus as set forth in claim 66, wherein the sensing means includes at least a torque screw protractively and retractively movable for the sensing engagement thereof with the portion of the rotatable assembly.
Claim 82
Dependent Claim
28 words
Apparatus as set forth in claim 72, wherein the sensing means further includes means for carrying the torque screw, the carrying means being connected with the actuating means.
Claim 83
Dependent Claim
59 words
Apparatus as set forth in claim 73, further comprising a housing in which the sensing means is movable, means on the housing for seating the carrying means, and means on the housing for engagement with at least a portion of the carrying means and spaced therefrom the predetermined distance when the carrying means is seated on the seating means.
Claim 84
Dependent Claim
32 words
Apparatus as set forth in claim 66, wherein the sensing means includes means movable relative to the position of the rotatable assembly and into locating engagement therewith for determining its sensed position.
Claim 85
Dependent Claim
97 words
Apparatus for positioning components of a dynamoelectric machine for assembly to compensate for an out-of-square stator comprising means for supporting a rotatable assembly mounted at least in part between a pair of opposite end frames, means for urging the end frames and rotatable assembly toward engagement with each other, means for moving the stator relative to the end frames and the rotatable assembly generally coaxially with the axis thereof toward an assembly position of the stator without skewing it with respect to the rotatable assembly axis, and means for selectively interrupting the force of the urging means.
Claim 86
Dependent Claim
97 words
Apparatus for positioning components of a dynamoelectric machine for assembly to compensate for an out-of-square stator comprising means for supporting a rotatable assembly mounted at least in part between a pair of opposite end frames, means for urging the end frames and rotatable assembly toward engagement with each other, means for moving the stator relative to the end frames and the rotatable assembly generally coaxially with the axis thereof toward an assembly position of the stator without skewing it with respect to the rotatable assembly axis, and means for selectively interrupting the force of the urging means.
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USPTO Annuity & Maintenance Windows
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| 3.5 Years (Year 4) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |