US3090544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air lubricated bearing
Assignee: Schwitzer Corp
•
Filing: 1962-05-02
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Granted: 1963-05-21
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Expires: 1982-05-02
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Woollenweber
- 👤 Riccardo A Bozzola
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:28
CPC Classifications
F; F16; F16N; F16N15/00; F01; F01D; F01D25/00; F01D25/18; F01D25/22; F02; F02C; F02C6/00; F02C6/04; F02C6/10; F02C6/12; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C33/1005; F16C2360/00; F16C2360/23; F16C2360/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A LUBRICATING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE TURBOCHARGER WHEREIN THE TURBOCHARGER INCLUDES AN AIR COMPRESSOR DRIVEN BY A TURBINE ROTATED SHAFT SUPPORTED BY SPACED BEARINGS: SAID SYSTEM COMPRISING MEANS PROVIDING LUBRICATING FLUID PASSAGES TO SAID BEARINGS, MEANS PROVIDING AN AIR INLET PASSAGE EXPOSED TO THE PRESSURE GENERATED BY THE COMPRESSOR, MEANS PROVIDING AN OIL INLET PASSAGE COMMUNICATING WITH A SOURCE OF LUBRICATING OIL UNDER PRESSURE, AND A UNITARY CONTROL VALVE RESPONSIVE TO THE AIR PRESSURE GENERATED BY THE COMPRESSOR FOR SELECTIVELY CONTROLLING COMMUNICATION OF SAID AIR INLET PASSAGE OR SAID OIL INLET PASSAGE WITH SAID LUBRICATING FLUID PASSAGES AS SAID AIR PRESSURE GENERATED BY THE COMPRESSOR VARIES SUBSTANTIALLY ABOVE OR BELOW A PREDETERMINED VALUE.
Claim 2
Dependent Claim
115 words
A LUBRICATING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE TURBOCHARGER WHEREIN THE TURBOCHARGER INCLUDES AN AIR COMPRESSOR DRIVEN BY A TURBINE ROTATED SHAFT SUPPORTED BY SPACED BEARINGS: SAID SYSTEM COMPRISING MEANS PROVIDING LUBRICATING FLUID PASSAGES TO SAID BEARINGS, MEANS PROVIDING AN AIR INLET PASSAGE EXPOSED TO THE PRESSURE GENERATED BY THE COMPRESSOR, MEANS PROVIDING AN OIL INLET PASSAGE COMMUNICATING WITH A SOURCE OF LUBRICATING OIL UNDER PRESSURE, AND A UNITARY CONTROL VALVE RESPONSIVE TO THE AIR PRESSURE GENERATED BY THE COMPRESSOR FOR SELECTIVELY CONTROLLING COMMUNICATION OF SAID AIR INLET PASSAGE OR SAID OIL INLET PASSAGE WITH SAID LUBRICATING FLUID PASSAGES AS SAID AIR PRESSURE GENERATED BY THE COMPRESSOR VARIES SUBSTANTIALLY ABOVE OR BELOW A PREDETERMINED VALUE.
References Cited (Backward Citations)
US2937294A
Cited
US3010697A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |