US3254489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion engine of the rotary vane type
Assignee: Individual
•
Filing: 1961-07-06
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Granted: 1966-06-07
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Eickmann Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:56
CPC Classifications
F; F02; F02B; F02B53/00; F02B53/10; F01; F01C; F01C1/00; F01C1/30; F01C1/34; F01C1/344; F01C1/3441; F01C21/00; F01C21/08; F01C21/0809; F01C21/0881; F02B2730/00; F02B2730/01; F02B2730/012; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A COMBUSTION ENGINE OF THE ROTARY VANE TYPE HAVING AT LEAST ONE ROTOR UNIT WITH A ROTOR, ROTOR SIDE WALLS, A CASING RING DISPOSED ECCENTRICALLY TO SAID ROTOR, SAID ROTOR HAVING SLOTS, A PLURALITY OF VANES ROTATABLE ALONG SAID CASING RING AND MOVABLE IN SAID SLOTS IN A SUBSTANTIALLY RADIAL DIRECTION, SAID VANES TOGETHER WITH SAID SIDE WALLS AND SAID CASING RING DEFINING AND ENCLOSING WORK CHAMBERS, AND A COMBUSTION CHAMBER, COMPRISING A FIRST CHAMBER SYSTEM IN ADDITION TO SAID WORK CHAMBERS FOR A FIRST MEDIUM OF A RELATIVELY LOW VISCOSITY, AND AT LEAST ONE SECOND ADDITIONAL CHAMBER SYSTEM FOR A SECOND MEDIUM OF A RELATIVELY HIGHER VISCOSITY, SAID TWO CHAMBER SYSTEMS BEING DISPOSED SO THAT BOTH MEDIA WILL ACT AT LEAST INDIRECTLY UPON SAID VANES, AND PUMP MEANS FOR PUMPING SAID SECOND MEDIUM IN SAID ADDITIONAL CHAMBER SYSTEM.
Claim 2
Dependent Claim
139 words
A COMBUSTION ENGINE OF THE ROTARY VANE TYPE HAVING AT LEAST ONE ROTOR UNIT WITH A ROTOR, ROTOR SIDE WALLS, A CASING RING DISPOSED ECCENTRICALLY TO SAID ROTOR, SAID ROTOR HAVING SLOTS, A PLURALITY OF VANES ROTATABLE ALONG SAID CASING RING AND MOVABLE IN SAID SLOTS IN A SUBSTANTIALLY RADIAL DIRECTION, SAID VANES TOGETHER WITH SAID SIDE WALLS AND SAID CASING RING DEFINING AND ENCLOSING WORK CHAMBERS, AND A COMBUSTION CHAMBER, COMPRISING A FIRST CHAMBER SYSTEM IN ADDITION TO SAID WORK CHAMBERS FOR A FIRST MEDIUM OF A RELATIVELY LOW VISCOSITY, AND AT LEAST ONE SECOND ADDITIONAL CHAMBER SYSTEM FOR A SECOND MEDIUM OF A RELATIVELY HIGHER VISCOSITY, SAID TWO CHAMBER SYSTEMS BEING DISPOSED SO THAT BOTH MEDIA WILL ACT AT LEAST INDIRECTLY UPON SAID VANES, AND PUMP MEANS FOR PUMPING SAID SECOND MEDIUM IN SAID ADDITIONAL CHAMBER SYSTEM.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |