Patent US3350145A successfully refreshed from Google Patents.
US3350145A
Expired / Lapsed
US
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Fluid-bearing
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1965-09-28
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Granted: 1967-10-31
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Nabour Marcel Pierre Le
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:46
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0681; F16C32/0696; F16C32/0629; F16C32/064; F16C32/0651; F16C32/0659; F16C32/0685
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
HYDROSTATIC FLUID BEARING COMPRISING A HOUSING HAVING A GENERALLY CYLINDRICAL SHAPE IN WHICH A SHAFT SUBSTANTIALLY COAXIAL WITH SAID HOUSING IS ROTATABLE WITH PLAY, SAID BEARING COMPRISING FLUID INJECTORS WHICH OPEN INTO SAID HOUSING SO AS TO SUPPLY FLUID CUSHIONS UNDER PRESSURE AROUND SAID SHAFT, SAID FLUID INJECTORS BEING SO ARRANGED THAT SAID FLUID HAS A TENDENCY TO CIRCULATE BETWEEN SAID HOUSING AND SAID SHAFT IN THE DIRECTION OPPOSITE TO THE MOVEMENT OF THE ROTATION OF SAID SHAFT IN ORDER TO REDUCE THE ENTRAINMENT OF SAID FLUID AND TO REDUCE THR MOVEMENT OF PRECESSION OF SAND SHAFT AND OF THE EFFECTS OF SAID MOVEMENT, SAID FLUID CUSHIONS BEING DELIMITED BY SEALS WHICH ARE RESPECTIVELY PARALLEL AND PERPENDICULAR TO THE BEARING AXIS SO AS TO DIVIDE SAID HOUSING INTO SEGMENTS AND, IN EACH SEGMENT, SAID INJECTORS BEING DISPOSED ASYMMETRICALLY WITH RESPECT TO THE CENTRAL DIAMETRAL PLANE OF SAID SEGMENT.
Claim 2
Dependent Claim
148 words
HYDROSTATIC FLUID BEARING COMPRISING A HOUSING HAVING A GENERALLY CYLINDRICAL SHAPE IN WHICH A SHAFT SUBSTANTIALLY COAXIAL WITH SAID HOUSING IS ROTATABLE WITH PLAY, SAID BEARING COMPRISING FLUID INJECTORS WHICH OPEN INTO SAID HOUSING SO AS TO SUPPLY FLUID CUSHIONS UNDER PRESSURE AROUND SAID SHAFT, SAID FLUID INJECTORS BEING SO ARRANGED THAT SAID FLUID HAS A TENDENCY TO CIRCULATE BETWEEN SAID HOUSING AND SAID SHAFT IN THE DIRECTION OPPOSITE TO THE MOVEMENT OF THE ROTATION OF SAID SHAFT IN ORDER TO REDUCE THE ENTRAINMENT OF SAID FLUID AND TO REDUCE THR MOVEMENT OF PRECESSION OF SAND SHAFT AND OF THE EFFECTS OF SAID MOVEMENT, SAID FLUID CUSHIONS BEING DELIMITED BY SEALS WHICH ARE RESPECTIVELY PARALLEL AND PERPENDICULAR TO THE BEARING AXIS SO AS TO DIVIDE SAID HOUSING INTO SEGMENTS AND, IN EACH SEGMENT, SAID INJECTORS BEING DISPOSED ASYMMETRICALLY WITH RESPECT TO THE CENTRAL DIAMETRAL PLANE OF SAID SEGMENT.
References Cited (Backward Citations)
FR1296508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |