US3359950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diesel rotary engines
Assignee: Renault SA
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Filing: 1965-05-21
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Granted: 1967-12-26
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Expires: 1985-05-21
Abstract
No abstract record available.
Inventors
- 👤 Castelet Gaetan De Coye De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:53
CPC Classifications
F; F02; F02B; F02B53/00; F02B53/10; F02B2053/005; F02B75/00; F02B75/12; F02B2075/125; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A DIESEL ROTARY ENGINE OF THE TYPE COMPRISING A ROTOR OF EPICYCLOIDAL CONTOUR HAVING N LOBES, A STATOR HAVING (N+1) LOBES, SAID ROTOR BEING MOUNTED FOR ECCENTRIC REVOLUTION WITHIN SAID STATOR TO PROVIDE (N+1) WORKING CHAMBERS, A CYLINDRICAL COMBINATION CHAMBER ASSOCIATED WITH EACH WORKING CHAMBER AND COMMUNICATING THEREWITH THROUGH A RECTANGULAR APERTURE, SAID COMBUSTION CHAMBER HAVING THE SAME LENGTH AS THE ROTOR AND HAVING A TURBULENCE INDUCED THEREIN BY NATURAL TURBULENCE CREATED BY THE MOVEMENT OF THE ROTOR IN THE STATOR, INLET VALVE MEANS AND EXHAUST VALVE MEANS PROVIDED IN EACH SAID WORKING CHAMBER, SAID COMBUSTION CHAMBER BEING DISPOSED IN SAID WORKING CHAMBER ADJACENT SAID VALVE MEANS, THE MESIAL PLANE OF INLET DUCTS LEADING TO EACH SAID INLET VALVE MEANS BEING COINCIDENT WITH THAT OF THE ROTOR, THE AXIS OF SAID DUCTS BEING CURVED IN ORDER TO ADD INLET TURBULENCE TO THE NATURAL TURBULENCE OF THE ENGINE, THE CLEARANCE BETWEEN THE ROTOR AND THE STATOR BEING GREATER ON ONE SIDE THAN ON THE OTHER SIDE OF THE COMBUSTION CHAMBER IN ORDER TO PROVIDE A BLOWOFF EFFECT COMPLEMENTING THE AFORESAID TURBULENCES, AND FUEL INJECTOR MEANS DISPOSED SYMMETICALLY IN SAID COMBUSTION CHAMBER.
Claim 2
Dependent Claim
190 words
A DIESEL ROTARY ENGINE OF THE TYPE COMPRISING A ROTOR OF EPICYCLOIDAL CONTOUR HAVING N LOBES, A STATOR HAVING (N+1) LOBES, SAID ROTOR BEING MOUNTED FOR ECCENTRIC REVOLUTION WITHIN SAID STATOR TO PROVIDE (N+1) WORKING CHAMBERS, A CYLINDRICAL COMBINATION CHAMBER ASSOCIATED WITH EACH WORKING CHAMBER AND COMMUNICATING THEREWITH THROUGH A RECTANGULAR APERTURE, SAID COMBUSTION CHAMBER HAVING THE SAME LENGTH AS THE ROTOR AND HAVING A TURBULENCE INDUCED THEREIN BY NATURAL TURBULENCE CREATED BY THE MOVEMENT OF THE ROTOR IN THE STATOR, INLET VALVE MEANS AND EXHAUST VALVE MEANS PROVIDED IN EACH SAID WORKING CHAMBER, SAID COMBUSTION CHAMBER BEING DISPOSED IN SAID WORKING CHAMBER ADJACENT SAID VALVE MEANS, THE MESIAL PLANE OF INLET DUCTS LEADING TO EACH SAID INLET VALVE MEANS BEING COINCIDENT WITH THAT OF THE ROTOR, THE AXIS OF SAID DUCTS BEING CURVED IN ORDER TO ADD INLET TURBULENCE TO THE NATURAL TURBULENCE OF THE ENGINE, THE CLEARANCE BETWEEN THE ROTOR AND THE STATOR BEING GREATER ON ONE SIDE THAN ON THE OTHER SIDE OF THE COMBUSTION CHAMBER IN ORDER TO PROVIDE A BLOWOFF EFFECT COMPLEMENTING THE AFORESAID TURBULENCES, AND FUEL INJECTOR MEANS DISPOSED SYMMETICALLY IN SAID COMBUSTION CHAMBER.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |