Patent US3782793A successfully refreshed from Google Patents.
US3782793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bearing construction
Assignee: Hoesch Werke AG
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Filing: 1973-01-24
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Granted: 1974-01-01
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Expires: 1993-01-24
Abstract
Abstract A support ring is located beneath a bearing ring a major surface of which faces the support ring. The support ring is provided with one or more circumferentially spaced holes each accommodating a hydrostatic support unit for the bearing. Each support unit has a cupped element an open side of which faces the major surface and a closed side of which faces away from the major surface and is bounded by a part-spherical circular face. Beneath the cupped element is a support element a contact face of which is in mating engagement with the circular face. A cylinder is threaded into one of the holes which is tapped and has a first and a second open end which respectively face towards and away from the support element. The second open end has a flange extending thereacross. A piston is slidable in the cylinder and contacts the support element through the first open end, and communicating oil passages are formed in the flange, the piston, the support element and the cupped element in communication with the open side of the latter.
Inventors
- 👤 K Sinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:26
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0662; F16C32/0666; F16C2300/00; F16C2300/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
184 words
In a bearing construction, particularly a construction with a bearing-ring diameter in excess of 2 m, a combination comprising a support ring having an upper side and being provided with at least one tapped hole; a bearing ring above said support ring and having a major surface facing said upper side and overlying said hole; and a hydrostatic support unit for said bearing ring, comprising a cupped element having an open side facing said major surface and a closed side facing away from said major surface and bounded by a part-spherical circular face, a support element at said closed side and having a contact face in mating surface-tosurface engagement with said circular face, a cylinder threaded into said tapped hole and having a first and a second open end respectively facing towards and away from said support element, a flange extending across said second open end, a piston slidable in said cylinder and contacting said support element through said first open end, and communicating oil passages in said flange, piston, support element and cupped element in communication with said open side of the latter.
Claim 2
Dependent Claim
184 words
In a bearing construction, particularly a construction with a bearing-ring diameter in excess of 2 m, a combination comprising a support ring having an upper side and being provided with at least one tapped hole; a bearing ring above said support ring and having a major surface facing said upper side and overlying said hole; and a hydrostatic support unit for said bearing ring, comprising a cupped element having an open side facing said major surface and a closed side facing away from said major surface and bounded by a part-spherical circular face, a support element at said closed side and having a contact face in mating surface-tosurface engagement with said circular face, a cylinder threaded into said tapped hole and having a first and a second open end respectively facing towards and away from said support element, a flange extending across said second open end, a piston slidable in said cylinder and contacting said support element through said first open end, and communicating oil passages in said flange, piston, support element and cupped element in communication with said open side of the latter.
Claim 3
Dependent Claim
65 words
A combination as defined in claim 1, said cupped element having a center opening, a threaded connector extending through said opening and connecting said cupped element with said support element, a compressible Annulus between said connector and said cupped element so that the latter is urged slightly resiliently against said support element, said oil passage of said cupped element being provided in said threaded connector.
Claim 4
Dependent Claim
22 words
A combination as defined in claim 1; and further comprising a flow-throttling device interposed in said oil passage of said support element.
Claim 5
Dependent Claim
22 words
A combination as defined in claim 1, said tapped bore and an outer circumferential surface of said cylinder having meshing fine threads.
Claim 6
Dependent Claim
18 words
A combination as defined in claim 4, wherein the pitch of said fine threads is substantially 1 mm.
Claim 7
Dependent Claim
58 words
A combination as defined in claim 4, further comprising ten equi-angularly spaced axial first grooves in said outer circumferential surface, and ten similarly dimensioned axial second grooves provided in an inner circumferential surface bounding said hole and being arranged over an angular distance which corresponds to nine-tenth of the distance between two consecutive ones of said first grooves.
Claim 8
Dependent Claim
23 words
A combination as defined in claim 1; further comprising expansion springs accommodated in said cylinder and urging said piston in one direction therein.
References Cited (Backward Citations)
US3431034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |