US3260135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary mechanism having planetary gearing means
Assignee: Wankel GmbH
•
Filing: 1963-07-08
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Granted: 1966-07-12
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Expires: 1983-07-08
Abstract
No abstract record available.
Inventors
- 👤 Eisenhardt Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:26
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/22; F02; F02B; F02B53/00; F02B2053/005; F02B2730/00; F02B2730/01; F02B2730/018; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A ROTARY MECHANISM COMPRISING AN OUTER BODY HAVING SPACED END WALLS AND A PERIPHERAL WALL FORMING A CAVITY THEREBETWEEN HAVING AN AXIS ALONG WHICH THE END WALLS ARE SPACED; A SHAFT COAXIAL WITH SAID CAVITY AND HAVING AN ECCENTRIC PORTION WITH AN AXIS SPACED FROM AND PARALLEL TO SAID OUTER BODY AXIS AND PLENETATING THEREAROUND; AN INNER BODY JOURNALED ON SAID ECCENTRIC PORTION FOR ROTATION THEREAROUND RELATIVE TO SAID OUTER BODY AND HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED APPEX PORTIONS DISPOSED IN SEALING COOPERATING WITH THE INNER SURFACE OF SAID PERIPHERAL WALL TO FORM A PLURALITY OF WORKING CHAMBERS BETWEEN SAID BODIES WHICH VARY IN VOLUME UPON SUCH RELATIVE RELATION; GEAR MEANS INTERCONNECTING SAID INNER AND OUTER BODIES AND ALLOWING SAID INNER BODY TO ROTATE AROUND SAID ECCENTRIC AXIS AND TO PLANETATE THEREWITH ABOUT SAID OUTER BODY AXIS; SAID GEAR MEANS COMPRIS-
Claim 2
Dependent Claim
141 words
A ROTARY MECHANISM COMPRISING AN OUTER BODY HAVING SPACED END WALLS AND A PERIPHERAL WALL FORMING A CAVITY THEREBETWEEN HAVING AN AXIS ALONG WHICH THE END WALLS ARE SPACED; A SHAFT COAXIAL WITH SAID CAVITY AND HAVING AN ECCENTRIC PORTION WITH AN AXIS SPACED FROM AND PARALLEL TO SAID OUTER BODY AXIS AND PLENETATING THEREAROUND; AN INNER BODY JOURNALED ON SAID ECCENTRIC PORTION FOR ROTATION THEREAROUND RELATIVE TO SAID OUTER BODY AND HAVING A PLURALITY OF CIRCUMFERENTIALLY-SPACED APPEX PORTIONS DISPOSED IN SEALING COOPERATING WITH THE INNER SURFACE OF SAID PERIPHERAL WALL TO FORM A PLURALITY OF WORKING CHAMBERS BETWEEN SAID BODIES WHICH VARY IN VOLUME UPON SUCH RELATIVE RELATION; GEAR MEANS INTERCONNECTING SAID INNER AND OUTER BODIES AND ALLOWING SAID INNER BODY TO ROTATE AROUND SAID ECCENTRIC AXIS AND TO PLANETATE THEREWITH ABOUT SAID OUTER BODY AXIS; SAID GEAR MEANS COMPRIS-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-11 | 1970-01-10 | 1970-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-11 | 1974-01-10 | 1974-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-11 | 1978-01-10 | 1978-07-12 | $7700.00 | Window Closed / Lapsed |