US3147912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil control valve
Assignee: Studebaker Worthington Inc
•
Filing: 1963-04-02
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Granted: 1964-09-08
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Expires: 1983-04-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond F Stelzer
- 👤 Cyril B Fites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:32
CPC Classifications
F; F04; F04B; F04B39/00; F04B39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A LUBRICATION SYSTEM COMPRISING A PRESSURIZED LUBRICANT SOURCE, A COMPRESSOR INCLUDING INTERCONNECTED LUBRICANT SUMP AND COMPRESSION PORTIONS, DELIVERY AND RETURN BRANCHES CONNECTED BETWEEN SAID SOURCE AND COMPRESSOR COMPRESSION PORTION AND BETWEEN SAID COMPRESSOR SUMP PORTION AND SOURCE, A PAIR OF VALVE MEANS FOR CONTROLLING LUBRICANT FLOW THROUGH SAID DELIVERY AND RETURN BRANCHES, VALVE OPERATING MEANS ENGAGED WITH ONE OF SAID VALVE MEANS AND ADAPTED FOR LOST MOTION ENGAGEMENT WITH THE OTHER OF SAID VALVE MEANS, AND CONTROL MEANS FOR SAID COMPRESSOR AND SAID VALVE OPERATING MEANS PERIODICALLY SUBJECTING SAID VALVE OPERATING MEANS TO AN OPERATING PRESSURE, SAID VALVE OPERATING MEANS BEING INITIALLY MOVABLE IN RESPONSE TO THE OPERATING PRESSURE TO MOVE SAID ONE VALVE MEANS TO A POSITION ESTABLISHING LUBRICANT FLOW THROUGH SAID RETURN BRANCH AND SAID VALVE OPERATING MEANS BEING FURTHER MOVABLE INTO LOST MOTION ENGAGEMENT WITH SAID OTHER VALVE MEANS TO SUBSEQUENTLY MOVE SAID OTHER VALVE MEANS TO A POSITION ESTABLISHING LUBRICANT FLOW THROUGH SAID DELIVERY BRANCH.
Claim 2
Dependent Claim
159 words
A LUBRICATION SYSTEM COMPRISING A PRESSURIZED LUBRICANT SOURCE, A COMPRESSOR INCLUDING INTERCONNECTED LUBRICANT SUMP AND COMPRESSION PORTIONS, DELIVERY AND RETURN BRANCHES CONNECTED BETWEEN SAID SOURCE AND COMPRESSOR COMPRESSION PORTION AND BETWEEN SAID COMPRESSOR SUMP PORTION AND SOURCE, A PAIR OF VALVE MEANS FOR CONTROLLING LUBRICANT FLOW THROUGH SAID DELIVERY AND RETURN BRANCHES, VALVE OPERATING MEANS ENGAGED WITH ONE OF SAID VALVE MEANS AND ADAPTED FOR LOST MOTION ENGAGEMENT WITH THE OTHER OF SAID VALVE MEANS, AND CONTROL MEANS FOR SAID COMPRESSOR AND SAID VALVE OPERATING MEANS PERIODICALLY SUBJECTING SAID VALVE OPERATING MEANS TO AN OPERATING PRESSURE, SAID VALVE OPERATING MEANS BEING INITIALLY MOVABLE IN RESPONSE TO THE OPERATING PRESSURE TO MOVE SAID ONE VALVE MEANS TO A POSITION ESTABLISHING LUBRICANT FLOW THROUGH SAID RETURN BRANCH AND SAID VALVE OPERATING MEANS BEING FURTHER MOVABLE INTO LOST MOTION ENGAGEMENT WITH SAID OTHER VALVE MEANS TO SUBSEQUENTLY MOVE SAID OTHER VALVE MEANS TO A POSITION ESTABLISHING LUBRICANT FLOW THROUGH SAID DELIVERY BRANCH.
References Cited (Backward Citations)
US1789841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |