US3141293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for refrigerating combustion air for internal combustion engines
Assignee: Cooper Bessemer Corp
•
Filing: 1961-08-22
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Granted: 1964-07-21
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Expires: 1981-08-22
Abstract
No abstract record available.
Inventors
- 👤 William R Crooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:31
CPC Classifications
F; F02; F02B; F02B25/00; F02B25/02; F01; F01N; F01N3/00; F01N3/02; F01N3/04; F01N3/043; F02B29/00; F02B29/04; F02B29/0406; F02B29/0412; F02B29/0437; F02B29/0443; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING MEANS FOR COMPRESSING THE COMBUSTION AIR AND AN AFTERCOOLER FOR REMOVING HEAT FROM THE COMPRESSED COMBUSTION AIR; THE IMPROVEMENT COMPRISING REFRIGERATING MEANS FOR REMOVING ADDITIONAL HEAT FROM THE COMPRESSED COMBUSTION AIR AS SAID AIR IS DISCHARGED FROM SAID AFTERCOOLER, AND AIR EXPANSION MEANS FOR FURTHER COOLING THE COMPRESSED COMBUSTION AIR AFTER DISCHARGE FROM SAID REFRIGERATING MEANS.
Claim 2
Dependent Claim
64 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING MEANS FOR COMPRESSING THE COMBUSTION AIR AND AN AFTERCOOLER FOR REMOVING HEAT FROM THE COMPRESSED COMBUSTION AIR; THE IMPROVEMENT COMPRISING REFRIGERATING MEANS FOR REMOVING ADDITIONAL HEAT FROM THE COMPRESSED COMBUSTION AIR AS SAID AIR IS DISCHARGED FROM SAID AFTERCOOLER, AND AIR EXPANSION MEANS FOR FURTHER COOLING THE COMPRESSED COMBUSTION AIR AFTER DISCHARGE FROM SAID REFRIGERATING MEANS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |