Patent US3143103A successfully refreshed from Google Patents.
US3143103A
Expired / Lapsed
US
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Multi-stage supercharger with separate outlet for cooling air
Assignee: Caterpillar Inc
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Filing: 1963-08-23
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Granted: 1964-08-04
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Zuhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:21
CPC Classifications
F; F02; F02B; F02B29/00; F02B29/04; F02B29/0481; F02B37/00; F02B37/005; F02B37/013; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING A SUPERCHARGER FOR DIRECTING AIR UNDER PRESSURE TO ITS COMBUSTION SPACES, A HEAT EXCHANGER FOR REDUCING THE TEMPERATURE OF SAID AIR INTERPOSED BETWEEN THE SUPERCHARGER AND THE ENGINE, MEANS TO DIRECT SUPERCHARGED AIR THROUGH THE HEAT EXCHANGER, AND MEANS TO DIRECT SUPERCHARGED AIR AT LOWER PRESSURE AND TEMPERATURE FROM ADJACENT THE INTAKE OF THE SUPERCHARGER THROUGH THE HEAT EXCHANGER AS A COOLANT.
Claim 2
Dependent Claim
70 words
IN COMBINATION WITH AN INTERNAL COMBUSTION ENGINE HAVING A SUPERCHARGER FOR DIRECTING AIR UNDER PRESSURE TO ITS COMBUSTION SPACES, A HEAT EXCHANGER FOR REDUCING THE TEMPERATURE OF SAID AIR INTERPOSED BETWEEN THE SUPERCHARGER AND THE ENGINE, MEANS TO DIRECT SUPERCHARGED AIR THROUGH THE HEAT EXCHANGER, AND MEANS TO DIRECT SUPERCHARGED AIR AT LOWER PRESSURE AND TEMPERATURE FROM ADJACENT THE INTAKE OF THE SUPERCHARGER THROUGH THE HEAT EXCHANGER AS A COOLANT.
References Cited (Backward Citations)
US2305810A
Cited
GB499357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |