US3296791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for proportionally supercharging power units
Assignee: Individual
•
Filing: 1965-05-20
•
Granted: 1967-01-10
•
Expires: 1985-05-20
Abstract
No abstract record available.
Inventors
- 👤 Richard Paul Pierre
- 👤 Pellat-Finet Jean Louis Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:54
CPC Classifications
F; F02; F02B; F02B33/00; F02B39/00; F02B39/02; F02B39/04; F02B39/06; F02B39/08; F16; F16H; F16H37/00; F02M; F02M2700/00; F02M2700/33; F02M2700/331; F02M2700/333; F16H2700/00; F16H2700/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A POWER UNIT COMPRISING A HEAT ENGINE, A SUPERCHARGER FOR CONTINUOUSLY FEEDING SAID HEAT ENGINE, AT LEAST ONE HYDRAULIC PUMP DRIVEN BY THE HEAT ENGINE, AT LEAST ONE MAIN HYDRAULIC ENGINE, A HYDRAULIC CIRCUIT CONNECTING SAID PUMP WITH SAID HYDRAULIC ENGINE, AT LEAST ONE AUXILIARY HYDRAULIC ENGINE DRIVING THE SUPERCHARGER AND MEANS WHEREBY SAID AUXILIARY HYDRAULIC ENGINE IS FED BY SAID CIRCUIT UNDER THE SAME PRESSURE AS THE MAIN HYDRAULIC ENGINE TO PROVIDE CONSTANT PROPORTIONALITY BETWEEN THE OUTPUT OF THE SUPERCHARGER AND THE OUTPUT OF THE HEAT ENGINE.
Claim 2
Dependent Claim
88 words
A POWER UNIT COMPRISING A HEAT ENGINE, A SUPERCHARGER FOR CONTINUOUSLY FEEDING SAID HEAT ENGINE, AT LEAST ONE HYDRAULIC PUMP DRIVEN BY THE HEAT ENGINE, AT LEAST ONE MAIN HYDRAULIC ENGINE, A HYDRAULIC CIRCUIT CONNECTING SAID PUMP WITH SAID HYDRAULIC ENGINE, AT LEAST ONE AUXILIARY HYDRAULIC ENGINE DRIVING THE SUPERCHARGER AND MEANS WHEREBY SAID AUXILIARY HYDRAULIC ENGINE IS FED BY SAID CIRCUIT UNDER THE SAME PRESSURE AS THE MAIN HYDRAULIC ENGINE TO PROVIDE CONSTANT PROPORTIONALITY BETWEEN THE OUTPUT OF THE SUPERCHARGER AND THE OUTPUT OF THE HEAT ENGINE.
References Cited (Backward Citations)
GB124793A
Cited
US1346124A
Cited
US2988890A
Cited
US2841963A
Cited
US3104528A
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US3088413A
Cited
US3187497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |