US3205878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable compression ration piston
Assignee: Eaton Corp
•
Filing: 1963-11-29
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Granted: 1965-09-14
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Timour Sune
- 👤 Oldberg Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:10
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/04; F02B75/044
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A PISTON INCLUDING COMPRESSION RATIO ADJUSTING MEANS FOR USE IN AN INTERNAL COMBUSTION ENGINE CYLINDER HAVING A COMBUSTION CHAMBER AND INCLUDING: A CARRIER AN MEANS FOR PIVOTALLY ASSOCIATING SAID CARRIER TO A CONNECTING ROD; A HOOD TELESCOPED OVER SAID CARRIER FOR ADJUSTMENT WITH RESPECT THERETO IN A COMPRESSION RATIO ADJUSTING MANNER, SAID HOOD DEFINING WITH SAID CARRIER FIRST AND SECOND PRESSURE CHAMBERS SO ARRANGED THAT PRESSURIZING SAID FIRST CHAMBER WILL MOVE SAID HOOD TO INCREASE THE COMPRESSION RATIO AND PRESSURIZING SAID SECOND CHAMBER WILL MOVE SAID HOOD TO DECREASE THE COMPRESSION RATIO; A SOURCE OF FLUID UNDER PRESSURE; AND A VALVE AND CONDUIT SYSTEM FOR CONTROLLING THE QUANTITY OF PRESSURE FLUID INTRODUCED INTO SAID RESPECTIVE CHAMBERS, THE IMPROVEMENT IN SAID VALVE AND CONDUIT SYSTEM COMPRISING:
Claim 2
Dependent Claim
125 words
A PISTON INCLUDING COMPRESSION RATIO ADJUSTING MEANS FOR USE IN AN INTERNAL COMBUSTION ENGINE CYLINDER HAVING A COMBUSTION CHAMBER AND INCLUDING: A CARRIER AN MEANS FOR PIVOTALLY ASSOCIATING SAID CARRIER TO A CONNECTING ROD; A HOOD TELESCOPED OVER SAID CARRIER FOR ADJUSTMENT WITH RESPECT THERETO IN A COMPRESSION RATIO ADJUSTING MANNER, SAID HOOD DEFINING WITH SAID CARRIER FIRST AND SECOND PRESSURE CHAMBERS SO ARRANGED THAT PRESSURIZING SAID FIRST CHAMBER WILL MOVE SAID HOOD TO INCREASE THE COMPRESSION RATIO AND PRESSURIZING SAID SECOND CHAMBER WILL MOVE SAID HOOD TO DECREASE THE COMPRESSION RATIO; A SOURCE OF FLUID UNDER PRESSURE; AND A VALVE AND CONDUIT SYSTEM FOR CONTROLLING THE QUANTITY OF PRESSURE FLUID INTRODUCED INTO SAID RESPECTIVE CHAMBERS, THE IMPROVEMENT IN SAID VALVE AND CONDUIT SYSTEM COMPRISING:
References Cited (Backward Citations)
US2742027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |