Patent US3217487A successfully refreshed from Google Patents.
US3217487A
Expired / Lapsed
US
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Exhaust gas driven supercharger
Assignee: MAN AG
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Filing: 1964-08-28
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Granted: 1965-11-16
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Expires: 1984-08-28
Abstract
No abstract record available.
Inventors
- 👤 Rothe Dietmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:26
CPC Classifications
F; F02; F02B; F02B37/00; F02B37/12; F02B37/18; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN A MULT-CYLINDER INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE EXHAUST MANIFOLD FURNISHING EXHAUST GAS TO AN EXHAUST GAS DRIVEN SUPERCHARGER, A TAIL PIPE EXTENDING FROM THE SUPERCHARGER FOR DISCHARGING EXHAUST GAS THEREFROM, AND A GAS BY-PASS PIPE BETWEEN SAID MANIFOLD AND SAID TAIL PIPE, THE IMPROVEMENT COMPRISING A BUTTERFLY VALVE ECCENTRICALLY MOUNTED IN SAID BY-PASS PIPE AND OPENABLE BY THE PRESSURE OF THE EXHAUST GAS IN SAID MANIFOLD.
Claim 2
Dependent Claim
69 words
IN A MULT-CYLINDER INTERNAL COMBUSTION ENGINE HAVING AT LEAST ONE EXHAUST MANIFOLD FURNISHING EXHAUST GAS TO AN EXHAUST GAS DRIVEN SUPERCHARGER, A TAIL PIPE EXTENDING FROM THE SUPERCHARGER FOR DISCHARGING EXHAUST GAS THEREFROM, AND A GAS BY-PASS PIPE BETWEEN SAID MANIFOLD AND SAID TAIL PIPE, THE IMPROVEMENT COMPRISING A BUTTERFLY VALVE ECCENTRICALLY MOUNTED IN SAID BY-PASS PIPE AND OPENABLE BY THE PRESSURE OF THE EXHAUST GAS IN SAID MANIFOLD.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |