US3311096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable compression ratio piston and valve
Assignee: Continental Aviation and Engineering Corp
•
Filing: 1965-07-07
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Granted: 1967-03-28
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Expires: 1985-07-07
Abstract
No abstract record available.
Inventors
- 👤 Carl F Bachle
- 👤 Roswell E Carney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:03
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/04; F02B75/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN INTERNAL COMBUSTION ENGINE PISTON HAVING FIRST AND SECOND PARTS MOVABLE RELATIVE TO ONE ANOTHER IN RESPONSE TO RECIPROCATION OF THE PISTON IN AN ENGINE CYLINDER BETWEEN A COMBUSTION CHAMBER AND CRANKCASE OF THE ENGINE, A PRESSURE FLUID CHAMBER WITHIN SAID PISTON WHICH VARIES IN INTERNAL VOLUME IN RESPONSE TO SAID RELATIVE MOVEMENT AND TO VARIATIONS IN THE QUANTITY OF PRESSURE FLUID THEREIN, MEANS FOR SUPPLYING PRESSURE FLUID TO SAID CHAMBER, ONE OF SAID PARTS INCLUDING MEANS FORMING A FLUID FLOW DISCHARGE PASSAGE COMMUNICATING WITH SAID CHAMBER, A VALVE MEMBER CARRIED BY SAID ONE PART MOVABLE TO OPEN AND CLOSE SAID DISCHARGE PASSAGE FOR CONTROLLING DISCHARGE OF FLUID THERETHROUGH TO THEREBY VARY THE QUANTITY OF FLUID IN SAID CHAMBER AND BIASING MEANS INCLUDING A LEVER FOR YIELDABLY BIASING SAID VALVE MEMBER TOWARD CLOSED POSITION TO THEREBY REGULATE THE PRESSURE OF THE FLUID IN SAID CHAMBER.
Claim 2
Dependent Claim
145 words
AN INTERNAL COMBUSTION ENGINE PISTON HAVING FIRST AND SECOND PARTS MOVABLE RELATIVE TO ONE ANOTHER IN RESPONSE TO RECIPROCATION OF THE PISTON IN AN ENGINE CYLINDER BETWEEN A COMBUSTION CHAMBER AND CRANKCASE OF THE ENGINE, A PRESSURE FLUID CHAMBER WITHIN SAID PISTON WHICH VARIES IN INTERNAL VOLUME IN RESPONSE TO SAID RELATIVE MOVEMENT AND TO VARIATIONS IN THE QUANTITY OF PRESSURE FLUID THEREIN, MEANS FOR SUPPLYING PRESSURE FLUID TO SAID CHAMBER, ONE OF SAID PARTS INCLUDING MEANS FORMING A FLUID FLOW DISCHARGE PASSAGE COMMUNICATING WITH SAID CHAMBER, A VALVE MEMBER CARRIED BY SAID ONE PART MOVABLE TO OPEN AND CLOSE SAID DISCHARGE PASSAGE FOR CONTROLLING DISCHARGE OF FLUID THERETHROUGH TO THEREBY VARY THE QUANTITY OF FLUID IN SAID CHAMBER AND BIASING MEANS INCLUDING A LEVER FOR YIELDABLY BIASING SAID VALVE MEMBER TOWARD CLOSED POSITION TO THEREBY REGULATE THE PRESSURE OF THE FLUID IN SAID CHAMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |