US3298751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas lubricated bearings
Assignee: General Electric Co
•
Filing: 1964-04-30
•
Granted: 1967-01-17
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Richard C Elwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:59
CPC Classifications
F; F16; F16C; F16C17/00; F16C17/02; F16C17/03; F16C17/035; F16C17/04; F16C17/06; F16C17/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A BEARING COMPRISING STATIONARY MEANS FOR GUIDING A ROTATING MEMBER, MEANS DEFINING A SPACE BETWEEN SAID STATIONARY MEANS AND SAID ROTATING MEMBER FOR THE PASSAGE OF A LUBRICANT STREAMING IN THE GENERAL DIRECTION OF ROTATION OF SAID ROTATING MEMBER AND, A PROJECTION MADE OF FLEXIBLE MATERIAL AND HAVING A CAVITY THEREUNDER FOR IMPARTING PRESSURE THERETO, SAID PROJECTION BEING FIXED TO AND EXTENDING NEAR THE RIM OF SAID STATIONARY MEANS AND HAVING A PLURALITY OF POINTS AT AND NEAR WHICH THE CLEARANCE BETWEEN THE BEARING SURFACE OF THE ROTATING MEMBER AND THE BEARING SURFACE OF THE STATIONARY MEANS IS ABOUT A MAXIMUM AND HAVING A PLURALITY OF OTHER POINTS DOWNSTREAM OF THE MAXIMUM CLEARANCE AT AND NEAR WHICH THE CLEARANCE BETWEEN THEM APPROXIMATES A MINIMUM VALUE WHEREBY THE STREAMING LUBRICANT IS UNDER GREATER PRESSURE AT SAID POINTS OF MINIMUM CLEARANCE THAN AT SAID POINTS OF MAXIMUM CLEARANCE.
Claim 2
Dependent Claim
146 words
A BEARING COMPRISING STATIONARY MEANS FOR GUIDING A ROTATING MEMBER, MEANS DEFINING A SPACE BETWEEN SAID STATIONARY MEANS AND SAID ROTATING MEMBER FOR THE PASSAGE OF A LUBRICANT STREAMING IN THE GENERAL DIRECTION OF ROTATION OF SAID ROTATING MEMBER AND, A PROJECTION MADE OF FLEXIBLE MATERIAL AND HAVING A CAVITY THEREUNDER FOR IMPARTING PRESSURE THERETO, SAID PROJECTION BEING FIXED TO AND EXTENDING NEAR THE RIM OF SAID STATIONARY MEANS AND HAVING A PLURALITY OF POINTS AT AND NEAR WHICH THE CLEARANCE BETWEEN THE BEARING SURFACE OF THE ROTATING MEMBER AND THE BEARING SURFACE OF THE STATIONARY MEANS IS ABOUT A MAXIMUM AND HAVING A PLURALITY OF OTHER POINTS DOWNSTREAM OF THE MAXIMUM CLEARANCE AT AND NEAR WHICH THE CLEARANCE BETWEEN THEM APPROXIMATES A MINIMUM VALUE WHEREBY THE STREAMING LUBRICANT IS UNDER GREATER PRESSURE AT SAID POINTS OF MINIMUM CLEARANCE THAN AT SAID POINTS OF MAXIMUM CLEARANCE.
References Cited (Backward Citations)
US1425979A
Cited
US1117500A
Cited
US1236511A
Cited
AT74991B
Cited
US2584770A
Cited
US2873683A
Cited
US3174809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |