Patent US3604248A successfully refreshed from Google Patents.
US3604248A
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Apparatus and methods for determining imbalance
Assignee: Eastman Kodak Co
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Filing: 1969-08-25
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Granted: 1971-09-14
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Expires: 1989-08-25
Abstract
Abstract Radial variations about the periphery of an element are the basis for determining the imbalance of such member. Such variations are resolved into vector components; and integrated over a single traversal of such periphery. The technique is used to determine web roll imbalance; and dimensional growth of the roll is accommodated by use of a positional pickoff. Positioning of the pickoff is used to weight the effect of the vector components.
Inventors
- 👤 Heinz C Altmann
- 👤 Clifford B Bushnell
- 👤 Henry L West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:08
CPC Classifications
G; G01; G01M; G01M1/00; G01M1/14; G01M1/16; G01M1/22
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
112 words
Apparatus for use in producing a measure of a variable that relates to the imbalance of an element about an axis through such element comprising a. means for detecting radial variations about the periphery of such element and producing signals representative of said variations, b. means for receiving and resolving each such radial variation signal into orthogonal first and second signal components, c. means for integrating all said first signal components and all said second signal components to produce respective first and second integral signal components, and d. means for vectorially combining said first and second integral signal components into a resultant signal, said resultant signal being representative of the said measure.
Claim 2
Dependent Claim
112 words
Apparatus for use in producing a measure of a variable that relates to the imbalance of an element about an axis through such element comprising a. means for detecting radial variations about the periphery of such element and producing signals representative of said variations, b. means for receiving and resolving each such radial variation signal into orthogonal first and second signal components, c. means for integrating all said first signal components and all said second signal components to produce respective first and second integral signal components, and d. means for vectorially combining said first and second integral signal components into a resultant signal, said resultant signal being representative of the said measure.
Claim 3
Dependent Claim
22 words
The apparatus of claim 1 including means for varying said resultant signal in direct proportion to the radial size of said element.
Claim 4
Dependent Claim
11 words
resolving each said radial variation into first and second orthogonal components,
Claim 5
Dependent Claim
11 words
resolving each said radial variation into first and second orthogonal components,
Claim 6
Dependent Claim
14 words
integrating all said first and second components to obtain first and second integral components,
Claim 7
Dependent Claim
14 words
integrating all said first and second components to obtain first and second integral components,
Claim 8
Dependent Claim
21 words
The apparatus of claim 1 including means for varying said resultant signal in direct proportion to the weight of said element.
Claim 9
Dependent Claim
13 words
vectorially combining said first and second integral components into a first resultant imbalance,
Claim 10
Dependent Claim
13 words
vectorially combining said first and second integral components into a first resultant imbalance,
Claim 11
Dependent Claim
97 words
Apparatus for use in producing a measure of a variable that relates to the imbalance of a web roll about its rotary axis comprising a. means for producing signals representing variations in the radial dimension of said roll, and b. means for resolving each said signal into first and second orthogonal signal components, c. means for integrating said first and second signal components to produce first and second integral signal components, and d. means for vectorially combining said first and second integral component signals into a resultant thereof, said resultant signal being representative of the said measure.
Claim 12
Dependent Claim
97 words
Apparatus for use in producing a measure of a variable that relates to the imbalance of a web roll about its rotary axis comprising a. means for producing signals representing variations in the radial dimension of said roll, and b. means for resolving each said signal into first and second orthogonal signal components, c. means for integrating said first and second signal components to produce first and second integral signal components, and d. means for vectorially combining said first and second integral component signals into a resultant thereof, said resultant signal being representative of the said measure.
Claim 13
Dependent Claim
25 words
The apparatus of claim 4 including means for varying said resultant signal in direct proportion to both the radial dimension and weight of said roll.
Claim 14
Dependent Claim
11 words
determining the radial variations of the outer face of the roll,
Claim 15
Dependent Claim
11 words
determining the radial variations of the outer face of the roll,
Claim 16
Dependent Claim
15 words
resolving each radial variation of the outer roll face into third and fourth orthogonal components,
Claim 17
Dependent Claim
15 words
resolving each radial variation of the outer roll face into third and fourth orthogonal components,
Claim 18
Dependent Claim
75 words
The apparatus of claim 5 wherein said signal-producing means is relatively positionable about the periphery of said roll and wherein said signal producing means is producing signals representing variations in the web roll radius taken with respect to a nominal radius for said roll, and wherein said means for integrating signals is means for selectively integrating its received signals over a single relative traversal of said signal producing means about the periphery of said roll.
Claim 19
Dependent Claim
70 words
The apparatus of claim 6 wherein said signal producing means has first and second parts which are relatively positionable within prescribed limits, wherein said apparatus includes means for positioning said signal-producing means radially relative to said roll, and wherein said means for varying said resultant signal is means for varying said resultant signal in direct proportion to the radial distance of said signal-producing means to the axis of said roll.
Claim 20
Dependent Claim
14 words
integrating all said third and fourth components to obtain third and fourth integral components,
Claim 21
Dependent Claim
14 words
integrating all said third and fourth components to obtain third and fourth integral components,
Claim 22
Dependent Claim
28 words
and vectorially combining said third and fourth integral components into a second resultant imbalance, and c. vectorially combining said first and second resultant imbalances into a resultant thereof.
Claim 23
Dependent Claim
28 words
and vectorially combining said third and fourth integral components into a second resultant imbalance, and c. vectorially combining said first and second resultant imbalances into a resultant thereof.
Claim 24
Dependent Claim
37 words
The apparatus of claim 7 wherein said means for positioning said signal-producing means include a motor and means for driving said motor in response to signals from said signal producing means which are above a certain threshold.
Claim 25
Independent Claim
55 words
The method of Determining the imbalance of a web roll wound on a core comprising the steps of a. determining the imbalance of the said core, b. determining the imbalance of the said web roll as caused by radial variations in both the inner and outer faces of the said roll, comprising the steps of
Claim 26
Independent Claim
55 words
The method of Determining the imbalance of a web roll wound on a core comprising the steps of a. determining the imbalance of the said core, b. determining the imbalance of the said web roll as caused by radial variations in both the inner and outer faces of the said roll, comprising the steps of
References Cited (Backward Citations)
US1744431A
Cited
US3222791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-13 | 1975-03-15 | 1975-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-13 | 1979-03-15 | 1979-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-13 | 1983-03-15 | 1983-09-14 | $7700.00 | Window Closed / Lapsed |