US3358653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary internal combustion engine
Assignee: Individual
•
Filing: 1966-07-18
•
Granted: 1967-12-19
•
Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Clarence H Grimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:31
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3441; F01C1/3442; F02; F02B; F02B53/00; F02B2730/00; F02B2730/01; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING IN COMBINATION: (A) A HOUSING INCLUDING AN INNER AND AN OUTER CONCENTRIC ANNULAR CHAMBER, (B) A COMPRESSION CONTROL RING RADIALLY MOVABLE IN SAID OUTER ANNULAR CHAMBER FORMING AN INTAKE CHAMBER ON THE OUTSIDE OF SAID RING AND A COMPRESSION CHAMBER ON THE INSIDE OF RING, (C) A CRANKSHAFT JOURNALED IN SAID HOUSING HAVING A CRANKPIN MOVABLE IN AN ORBITAL ECCENTRIC PATH WITHIN SAID INNER ANNULAR CHAMBER, (D) A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIALLY DISPOSED VANES SLIDABLY MOUNTED IN SAID HOUSING BETWEEN SAID INNER AND OUTER CONCENTRIC ANNULAR CHAMBERS HAVING THEIR OUTER ENDS ENGAGING THE INSIDE BORE OF SAID RING AND THEIR INNER ENDS ENGAGING SAID CRANKPIN TO FORM A PLURALITY OF RELATED COMPRESSION CHAMBERS AND COMBUSTION CHAMBERS IN SAID OUTER AND INNER ANNULAR CHAMBERS, (E) PORTS AND CONNECTING PASSAGEWAY IN SAID HOUSING COMMUNICATING BETWEEN SAID INTAKE, COMPRESSION AND COMBUSTION CHAMBERS, (F) AND MEANS WHEREBY THE RADIAL MOVEMENT OF SAID RING AND SAID ORBITAL MOVEMENT OF SAID CRANKPIN RELATIVE TO SAID HOUSING OPENS AND CLOSES SAID PORTS IN A TIMED SEQUENCE OF OPERATION OF SAID ENGINE.
Claim 2
Dependent Claim
181 words
A ROTARY INTERNAL COMBUSTION ENGINE COMPRISING IN COMBINATION: (A) A HOUSING INCLUDING AN INNER AND AN OUTER CONCENTRIC ANNULAR CHAMBER, (B) A COMPRESSION CONTROL RING RADIALLY MOVABLE IN SAID OUTER ANNULAR CHAMBER FORMING AN INTAKE CHAMBER ON THE OUTSIDE OF SAID RING AND A COMPRESSION CHAMBER ON THE INSIDE OF RING, (C) A CRANKSHAFT JOURNALED IN SAID HOUSING HAVING A CRANKPIN MOVABLE IN AN ORBITAL ECCENTRIC PATH WITHIN SAID INNER ANNULAR CHAMBER, (D) A PLURALITY OF CIRCUMFERENTIALLY SPACED RADIALLY DISPOSED VANES SLIDABLY MOUNTED IN SAID HOUSING BETWEEN SAID INNER AND OUTER CONCENTRIC ANNULAR CHAMBERS HAVING THEIR OUTER ENDS ENGAGING THE INSIDE BORE OF SAID RING AND THEIR INNER ENDS ENGAGING SAID CRANKPIN TO FORM A PLURALITY OF RELATED COMPRESSION CHAMBERS AND COMBUSTION CHAMBERS IN SAID OUTER AND INNER ANNULAR CHAMBERS, (E) PORTS AND CONNECTING PASSAGEWAY IN SAID HOUSING COMMUNICATING BETWEEN SAID INTAKE, COMPRESSION AND COMBUSTION CHAMBERS, (F) AND MEANS WHEREBY THE RADIAL MOVEMENT OF SAID RING AND SAID ORBITAL MOVEMENT OF SAID CRANKPIN RELATIVE TO SAID HOUSING OPENS AND CLOSES SAID PORTS IN A TIMED SEQUENCE OF OPERATION OF SAID ENGINE.
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) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |