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US3146764A
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Engine supercharging
Assignee: MAN AG
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Filing: 1963-02-14
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Granted: 1964-09-01
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Expires: 1983-02-14
Abstract
No abstract record available.
Inventors
- 👤 Eisbett Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:48
CPC Classifications
F; F02; F02B; F02B27/00; F02B27/008; F02M; F02M35/00; F02M35/10; F02M35/10006; F02M35/10026; F02M35/10045; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN AN AIR COMPRESSING PISTON ENGINE, INCLUDING AN INTERNAL COMBUSTION ENGINE, HAVING AN INTAKE AIR PIPE JOINED TO THE ENGINE CYLINDER AND IN WHICH THE KINETIC ENERGY OF THE INTAKE AIR IS INFLUENCED BY SAID PIPE, THE IMPROVEMENT IN WHICH THE SIZE OF SAID PIPE, WITH ESPECIAL REGARD TO ITS LENGTH, AND THE INTAKE OF AIR TIMED DURING THE ENGINE PISTON SUCTION STROKE, IS SUCH THAT SUBSTANTIALLY ONLY THE PRESSURE OF THE MASS OF THE COLUMN OF INTAKE AIR MOVING IN SAID PIPE IS EFFECTIVE IN FILLING THE CYLINDER DURING THE PISTON SUCTION STROKE, AND SUBSTANTIALLY WITHOUT FORMING REFLECTED AIR PRESSURE WAVES IN SAID PIPE.
Claim 2
Dependent Claim
105 words
IN AN AIR COMPRESSING PISTON ENGINE, INCLUDING AN INTERNAL COMBUSTION ENGINE, HAVING AN INTAKE AIR PIPE JOINED TO THE ENGINE CYLINDER AND IN WHICH THE KINETIC ENERGY OF THE INTAKE AIR IS INFLUENCED BY SAID PIPE, THE IMPROVEMENT IN WHICH THE SIZE OF SAID PIPE, WITH ESPECIAL REGARD TO ITS LENGTH, AND THE INTAKE OF AIR TIMED DURING THE ENGINE PISTON SUCTION STROKE, IS SUCH THAT SUBSTANTIALLY ONLY THE PRESSURE OF THE MASS OF THE COLUMN OF INTAKE AIR MOVING IN SAID PIPE IS EFFECTIVE IN FILLING THE CYLINDER DURING THE PISTON SUCTION STROKE, AND SUBSTANTIALLY WITHOUT FORMING REFLECTED AIR PRESSURE WAVES IN SAID PIPE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |