US3131679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotors of rotary engines
Assignee: Renault SA
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Filing: 1961-12-27
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Granted: 1964-05-05
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Expires: 1981-12-27
Abstract
No abstract record available.
Inventors
- 👤 Peras Lucien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:27
CPC Classifications
F; F02; F02B; F02B55/00; F02B55/02; F02B55/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A ROTARY ENGINE COMPRISING STATOR MEANS HAVING A PLURALITY OF CHAMBERS DISPOSED THEREAROUND AND INTERNALLY THEREOF, ECCENTRIC MEANS DISPOSED WITHIN SAID STATOR MEANS AND COAXIALLY THEREWITH, ROTOR MEANS HAVING A PLURALITY OF LOBES ROTATABLY MOUNTED ON SAID ECCENTRIC MEANS, SAID LOBES COOPERATING WITH SAID CHAMBERS AS SAID ROTOR MEANS ROTATES; SAID ROTOR MEANS INCLUDING AN OUTER WALL AND AN INNER WALL DEFINING A SUBSTANTIALLY CONSTANT WIDTH ANNULAR SPACE THEREBETWEEN, A HUB MEMBER ENGAGING SAID ECCENTRIC MEANS, ARMS EXTENDING FROM SAID HUB MEMBER TO SAID WALLS THEREBY FORMING WITH SAID ANNULAR SPACE TWO CONTINUOUS PASSAGES; INLET MEANS DISPOSED IN SAID STATOR MEANS AND SAID ECCENTRIC MEANS FOR SUPPLYING COOLING FLUID THERE-
Claim 2
Dependent Claim
110 words
A ROTARY ENGINE COMPRISING STATOR MEANS HAVING A PLURALITY OF CHAMBERS DISPOSED THEREAROUND AND INTERNALLY THEREOF, ECCENTRIC MEANS DISPOSED WITHIN SAID STATOR MEANS AND COAXIALLY THEREWITH, ROTOR MEANS HAVING A PLURALITY OF LOBES ROTATABLY MOUNTED ON SAID ECCENTRIC MEANS, SAID LOBES COOPERATING WITH SAID CHAMBERS AS SAID ROTOR MEANS ROTATES; SAID ROTOR MEANS INCLUDING AN OUTER WALL AND AN INNER WALL DEFINING A SUBSTANTIALLY CONSTANT WIDTH ANNULAR SPACE THEREBETWEEN, A HUB MEMBER ENGAGING SAID ECCENTRIC MEANS, ARMS EXTENDING FROM SAID HUB MEMBER TO SAID WALLS THEREBY FORMING WITH SAID ANNULAR SPACE TWO CONTINUOUS PASSAGES; INLET MEANS DISPOSED IN SAID STATOR MEANS AND SAID ECCENTRIC MEANS FOR SUPPLYING COOLING FLUID THERE-
References Cited (Backward Citations)
US922875A
Cited
US3042009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |