US3320902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary piston machine
Assignee: Individual
•
Filing: 1964-05-05
•
Granted: 1967-05-23
•
Expires: 1984-05-05
Abstract
No abstract record available.
Inventors
- 👤 Paschke Hanns-Dieter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
F; F04; F04B; F04B1/00; F04B1/04; F04B1/0404; F04B1/0408; F01; F01B; F01B1/00; F01B1/06; F01B1/062; F01B1/0631; F01B3/00; F01B3/0002; F01B3/0017; F01B3/0023; F04B1/053; F04B1/0535
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A ROTARY MECHANISM COMPRISING: AN OUTER BODY HAVING A CAVITY, A ROTARY INNER BODY HAVING AN OUTER PERIPHERAL SPHERICAL SURFACE AND BEING FORMED AS A SPHERICAL ECCENTRIC AND MOUNTED ECCENTRICALLY ON A DRIVE SHAFT WITHIN THE CAVITY FOR ROTATION WITH RESPECT TO THE OUTER BODY, THE OUTER BODY COMPRISING AT LEAST ONE WORKING CHAMBER WITH A CYLINDRICAL PERIPHERAL WALL AND OPENINGS TOWARDS THE INNER BODY FOR A WORKING MEDIUM WHICH WORKING CHAMBER VARIES IN VOLUME DURING ROTATION OF THE INNER BODY RELATIVE TO THE OUTER BODY, A RECIPROCAL ANNULAR SEAL ELEMENT IN SEALING ARRANGEMENT WITH BOTH SAID INNER AND OUTER BODIES AND COMPRISING A SPHERICAL OUTER PERIPHERAL SURFACE FOR SEALING COOPERATION WITH SAID CYLINDRICAL PERIPHERAL WALL AND AN ANNULAR END FACE FOR SEALING ENGAGEMENT WITH THE OUTER PERIPHERAL SPHERICAL SURFACE
Claim 2
Dependent Claim
130 words
A ROTARY MECHANISM COMPRISING: AN OUTER BODY HAVING A CAVITY, A ROTARY INNER BODY HAVING AN OUTER PERIPHERAL SPHERICAL SURFACE AND BEING FORMED AS A SPHERICAL ECCENTRIC AND MOUNTED ECCENTRICALLY ON A DRIVE SHAFT WITHIN THE CAVITY FOR ROTATION WITH RESPECT TO THE OUTER BODY, THE OUTER BODY COMPRISING AT LEAST ONE WORKING CHAMBER WITH A CYLINDRICAL PERIPHERAL WALL AND OPENINGS TOWARDS THE INNER BODY FOR A WORKING MEDIUM WHICH WORKING CHAMBER VARIES IN VOLUME DURING ROTATION OF THE INNER BODY RELATIVE TO THE OUTER BODY, A RECIPROCAL ANNULAR SEAL ELEMENT IN SEALING ARRANGEMENT WITH BOTH SAID INNER AND OUTER BODIES AND COMPRISING A SPHERICAL OUTER PERIPHERAL SURFACE FOR SEALING COOPERATION WITH SAID CYLINDRICAL PERIPHERAL WALL AND AN ANNULAR END FACE FOR SEALING ENGAGEMENT WITH THE OUTER PERIPHERAL SPHERICAL SURFACE
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |