US3695789A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Balancing mechanism for fluid translating device
Assignee: Case LLC
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Filing: 1970-04-13
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Granted: 1972-10-03
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Expires: 1990-04-13
Abstract
Abstract A fluid translating device having a rotor rotatably mounted within a bore in a camblock that is supported within a housing. The rotor is spaced from the bore to define an annular space and has plates extending from opposite ends thereof with the end portions of the side plates being in overlapping spaced relationship with the opposed surfaces of the camblock. The opposed surfaces of the camblock have a plurality of circumferentially spaced recesses formed therein with each of the recesses communicating with the annular space through a slot. Thus, fluid being translated between inlet and outlet ports flows in the spaces between the end portions of the plate and the adjacent surfaces of the camblock and seals the annular space, while some of the pressure fluid is received in the respective recesses to maintain the camblock in a centered position between the respective end portions of the plates. In one embodiment, the recesses are arcuate and located on a common diameter greater than the diameter of the bore. In an alternate embodiment, the recesses are arcuate and one end of each recess is closer to the surface of the bore than the opposite end while the camblock has cutout portions extending from the bore surface and from the outer surface, so that all portions of the plate end portions are exposed to the fluid. In a further embodiment, the recesses are substantially longitudinal and extend chordally of the center of the bore. The camblock also has surfaces adjacent the housing opening which are beveled from a center point to produce substantial line contact between the housing opening and the camblock.
Inventors
- 👤 Birger F Jansson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:16
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/003
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
165 words
A fluid translating device comprising a housing having a rectangular opening therein; an inner member and an outer member cooperating to produce an annular space with said members being relatively rotatable, said outer member having a rectangular peripheral surface cooperating with said opening, one of said members including portions having surfaces in overlapping spaced relation to adjacent surfaces of the other of said members to substantially enclose said annular space; means defining circumferentially spaced recesses in the surfaces of one of said members, said recesses being in individual communication with said annular space, at spaced locations so that pressured fluid in said annular space will be received in said recesses to maintain said other member centered between said portions and flow of fluid between said surfaces will produce a fluid seal for said annular space; and means defining line contact along opposed portions of said peripheral surface and said opening, said line contact being centrally spaced and parallel to said surfaces of said outer member.
Claim 2
Dependent Claim
165 words
A fluid translating device comprising a housing having a rectangular opening therein; an inner member and an outer member cooperating to produce an annular space with said members being relatively rotatable, said outer member having a rectangular peripheral surface cooperating with said opening, one of said members including portions having surfaces in overlapping spaced relation to adjacent surfaces of the other of said members to substantially enclose said annular space; means defining circumferentially spaced recesses in the surfaces of one of said members, said recesses being in individual communication with said annular space, at spaced locations so that pressured fluid in said annular space will be received in said recesses to maintain said other member centered between said portions and flow of fluid between said surfaces will produce a fluid seal for said annular space; and means defining line contact along opposed portions of said peripheral surface and said opening, said line contact being centrally spaced and parallel to said surfaces of said outer member.
Claim 3
Dependent Claim
22 words
A fluid translating device as defined in claim 1, in which said recesses are arcuate and equally spaced about said annular space.
Claim 4
Dependent Claim
23 words
A fluid translating device as defined in claim 1, in which said recesses are chordally arranged and equally spaced about said annular space.
Claim 5
Dependent Claim
189 words
A fluid translating deviCe comprising a housing having an opening therein and opposed inlet and outlet ports communicating with said opening, a camblock supported for movement in said opening and having a bore; a rotor rotatable about a fixed axis in said bore and cooperating with said bore to define an annular space; a pair of plates rotatable with said rotor, said plates having end portions in overlapping relation with respective opposed surfaces of said camblock with said camblock having an axial length between said surfaces which is less than the spacing between said plates to produce limited flow paths from said annular space between said end portions and the adjacent surfaces of said camblock; and means for producing circumferentially spaced elongated recesses and slots in said camblock surfaces, said recesses being spaced from said bore and said slots placing each of said recesses in communication with said annular space, whereby fluid translated between said ports will be received in said recesses and maintain said surfaces spaced from said end portions and the fluid in said flow paths will seal the annular space from the opening in the housing.
Claim 6
Dependent Claim
189 words
A fluid translating deviCe comprising a housing having an opening therein and opposed inlet and outlet ports communicating with said opening, a camblock supported for movement in said opening and having a bore; a rotor rotatable about a fixed axis in said bore and cooperating with said bore to define an annular space; a pair of plates rotatable with said rotor, said plates having end portions in overlapping relation with respective opposed surfaces of said camblock with said camblock having an axial length between said surfaces which is less than the spacing between said plates to produce limited flow paths from said annular space between said end portions and the adjacent surfaces of said camblock; and means for producing circumferentially spaced elongated recesses and slots in said camblock surfaces, said recesses being spaced from said bore and said slots placing each of said recesses in communication with said annular space, whereby fluid translated between said ports will be received in said recesses and maintain said surfaces spaced from said end portions and the fluid in said flow paths will seal the annular space from the opening in the housing.
Claim 7
Dependent Claim
29 words
A fluid translating device as defined in claim 4, in which said recesses are arcuate and are located on a common diameter greater than the diameter of said bore.
Claim 8
Dependent Claim
31 words
A fluid translating device as defined in claim 4, in which said surfaces each have a polygonal raised portion with a recess defined in each leg of said polygonal raised portion.
Claim 9
Dependent Claim
21 words
A fluid translating device as defined in claim 4, in which said recesses extend chordally of the center of said bore.
Claim 10
Dependent Claim
40 words
A fluid translating device as defined in claim 4, including the further improvement of means for producing line contact between at least a portion of adjacent surfaces of said opening and said camblock to accommodate relative movement of said surfaces.
Claim 11
Dependent Claim
23 words
A fluid translating device as defined in claim 4, in which said recesses are arcuate and have opposite ends located on different diameters.
Claim 12
Dependent Claim
113 words
A fluid translating device as defined in claim 9, in which said camblock has a ring portion defining said opposed surfaces, said ring having inner and outer ends, the further improvement of means defining inner and outer notches in said surfaces, respectively, extending from said ends and terminating between adjacent ends of each pair of recesses, the inner notches having bases located on a common diameter with inner edges of one end of each of said recesses and the outer notches having bases located on a common diameter with outer edges of the opposite ends of said recesses, whereby the overlapping portions of said plates are exposed to fluid for lubrication during rotation.
Claim 13
Dependent Claim
130 words
A fluid translating device comprising a housing having an opening therein with inlet and outlet ports on opposite sides of said opening; a camblock supported in said opening and having a bore defining a working chamber; said working chamber communicating with inlet and outlet ports in said housing; a rotor rotatably supported within said working chamber and cooperating with said camblock to define an annular zone, said rotor having end plates rotatable therewith and extending in juxtaposed overlapping relation to opposite ends of said camblock, said camblock having a length between said surfaces which is less than the spacing between adjacent surfaces of said plate; and means defining line contact between the surface of said opening and said camblock, whereby to accommodate relative movement of said camblock in said opening.
Claim 14
Dependent Claim
130 words
A fluid translating device comprising a housing having an opening therein with inlet and outlet ports on opposite sides of said opening; a camblock supported in said opening and having a bore defining a working chamber; said working chamber communicating with inlet and outlet ports in said housing; a rotor rotatably supported within said working chamber and cooperating with said camblock to define an annular zone, said rotor having end plates rotatable therewith and extending in juxtaposed overlapping relation to opposite ends of said camblock, said camblock having a length between said surfaces which is less than the spacing between adjacent surfaces of said plate; and means defining line contact between the surface of said opening and said camblock, whereby to accommodate relative movement of said camblock in said opening.
Claim 15
Dependent Claim
57 words
A fluid translating device as defined in claim 11, the further improvement of means producing a plurality of spaced recesses in said end surfaces of said camblock, said recesses being spaced from and communicating with said annular zone, whereby fluid in said annular zone will flow into said recesses and maintain said camblock centered between said plates.
Claim 16
Dependent Claim
34 words
A fluid translating device as defined in claim 11, in which said opening and said camblock are rectangular and Said line contact is defined between the side of said opening having said ports therein.
Claim 17
Dependent Claim
30 words
A fluid translating device as defined in claim 13, in which the opposed sides of said camblock are beveled from the center toward opposite ends to produce said line contact.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |