Patent US4024762A successfully refreshed from Google Patents.
US3145698A
Expired / Lapsed
US
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Combustion engine for burning either high or low specific heat fuels
Assignee: Cooper Bessemer Corp
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Filing: 1963-07-15
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Granted: 1964-08-25
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Expires: 1983-07-15
Abstract
No abstract record available.
Inventors
- 👤 William R Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:06
CPC Classifications
F; F02; F02B; F02B43/00; F02B2710/00; F02B2710/02; F02B2710/028; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/30; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN AN INTERNAL COMBUSTION ENGINE OF THE TYPE HAVING A CYLINDER CHAMBER FED BY A PAIR OF INTAKE PORTS THAT ARE CONTROLLED BY SEPARATE INTAKE VALVES: MEANS PROVIDING SEPARATE INTAKE MANIFOLDS TO EACH INTAKE VALVE, A SUPPLY HEADER FOR A HIGH SPECIFIC HEAT FUEL, A SUPPLY HEADER FOR A LOW SPECIFIC HEAT FUEL, MEANS FOR SUPPLYING AIR TO BOTH OF SAID INTAKE MANIFOLDS WHEN GAS FROM SAID HIGH SPECIFIC HEAT FUEL HEADER IS SUPPLIED TO SAID CYLINDER CHAMBER, AND MEANS FOR VALVING OFF AIR FLOW THROUGH ONE OF SAID INTAKE MANIFOLDS WHILE COMMUNICATING SAID LOW SPECIFIC HEAT FUEL HEADER TO THE OTHER OF SAID INTAKE MANIFOLDS, WHEREBY BOTH INTAKE MANIFOLDS ARE USED TO SUPPLY AIR TO SAID CYLINDER CHAMBER WHEN THE ENGINE IS RUN ON HIGH SPECIFIC HEAT FUEL, AND THE FLOW CAPACITY OF ONE OF THE INTAKE MANIFOLDS IS USED TO SUPPLY LOW SPECIFIC HEAT FUEL WHEN THE ENGINE IS RUN ON THE LOW SPECIFIC HEAT FUEL.
Claim 2
Dependent Claim
158 words
IN AN INTERNAL COMBUSTION ENGINE OF THE TYPE HAVING A CYLINDER CHAMBER FED BY A PAIR OF INTAKE PORTS THAT ARE CONTROLLED BY SEPARATE INTAKE VALVES: MEANS PROVIDING SEPARATE INTAKE MANIFOLDS TO EACH INTAKE VALVE, A SUPPLY HEADER FOR A HIGH SPECIFIC HEAT FUEL, A SUPPLY HEADER FOR A LOW SPECIFIC HEAT FUEL, MEANS FOR SUPPLYING AIR TO BOTH OF SAID INTAKE MANIFOLDS WHEN GAS FROM SAID HIGH SPECIFIC HEAT FUEL HEADER IS SUPPLIED TO SAID CYLINDER CHAMBER, AND MEANS FOR VALVING OFF AIR FLOW THROUGH ONE OF SAID INTAKE MANIFOLDS WHILE COMMUNICATING SAID LOW SPECIFIC HEAT FUEL HEADER TO THE OTHER OF SAID INTAKE MANIFOLDS, WHEREBY BOTH INTAKE MANIFOLDS ARE USED TO SUPPLY AIR TO SAID CYLINDER CHAMBER WHEN THE ENGINE IS RUN ON HIGH SPECIFIC HEAT FUEL, AND THE FLOW CAPACITY OF ONE OF THE INTAKE MANIFOLDS IS USED TO SUPPLY LOW SPECIFIC HEAT FUEL WHEN THE ENGINE IS RUN ON THE LOW SPECIFIC HEAT FUEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |