US3359955A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine combustion chamber
Assignee: John Deere Technologies International Inc
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Filing: 1966-04-18
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Granted: 1967-12-26
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Expires: 1986-04-18
Abstract
No abstract record available.
Inventors
- 👤 Alec F Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:43
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/14; F02B53/00; F02B53/12; F02B2053/005; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A ROTOR FOR A ROTARY COMBUSTION ENGINE HAVING AN OUTER BODY INCLUDING A CAVITY WITH SAID ROTOR BEING DISPOSED IN SAID CAVITY FOR RELATIVE ROTATION THEREIN, SAID ROTOR INCLUDING AT LEAST ONE WORKING FACE WITH SAID WORKING FACE DEFINING A WALL OF AN ASSOCIATED WORKING CHAMBER OF SAID ROTARY COMBUSTION ENGINE, SAID WORKING FACE HAVING TWO SPACED CAVITY PORTIONS EACH HAVING A CURVED CROSS-SECTION FOR PRODUCING SWIRLING OF A WORKING FLUID IN SAID CAVITY DURING RELATIVE MOVEMENT OF SAID ROTOR AND SAID CAVITIES BEING INTERCONNECTED BY A WORKING FLUID TRANSFER PASSAGE SO THAT THE WORKING FLUID MAY PASS BETWEEN SAID CAVITY PORTIONS.
Claim 2
Dependent Claim
102 words
A ROTOR FOR A ROTARY COMBUSTION ENGINE HAVING AN OUTER BODY INCLUDING A CAVITY WITH SAID ROTOR BEING DISPOSED IN SAID CAVITY FOR RELATIVE ROTATION THEREIN, SAID ROTOR INCLUDING AT LEAST ONE WORKING FACE WITH SAID WORKING FACE DEFINING A WALL OF AN ASSOCIATED WORKING CHAMBER OF SAID ROTARY COMBUSTION ENGINE, SAID WORKING FACE HAVING TWO SPACED CAVITY PORTIONS EACH HAVING A CURVED CROSS-SECTION FOR PRODUCING SWIRLING OF A WORKING FLUID IN SAID CAVITY DURING RELATIVE MOVEMENT OF SAID ROTOR AND SAID CAVITIES BEING INTERCONNECTED BY A WORKING FLUID TRANSFER PASSAGE SO THAT THE WORKING FLUID MAY PASS BETWEEN SAID CAVITY PORTIONS.
References Cited (Backward Citations)
US3136302A
Cited
US3288120A
Cited
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 |