Patent US3174274A successfully refreshed from Google Patents.
US3174274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary engine
Assignee: Individual
•
Filing: 1961-12-13
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Granted: 1965-03-23
•
Expires: 1981-12-13
Abstract
No abstract record available.
Inventors
- 👤 Reinhold A Frye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:04
CPC Classifications
F; F01; F01C; F01C1/00; F01C1/08; F01C1/12; F01C1/14; F01C1/126; F02; F02B; F02B53/00; F02B2730/00; F02B2730/05; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
214 words
A ROTARY ENGINE COMPRISING A BLOCK HAVING AT LEAST TWO COMMUNICATING ENGINE BORES AND A PLURALITY OF COMPRESSOR BORES, EACH ENGINE BORE COMMUNICATING WITH AT LEAST ONE COMPRESSOR BORE, EACH OF THE ENGINE AND COMPRESSOR BORES EXTENDING TRRRANSVERSLY THROUGH THE BLOCK A FRONT HEAD ATTACHED TO THE BLOCK OVERLYING THE RESPECTIVE ENGINE AND COMPRESSOR BORES, A REAR HEAD ATTACHED TO THE OPPOSITE OF THE BLOCK UNDERLYING THE RESPECTIVE ENGINE AND COMPRESSOR BORES, AN ENGINE IMPELLER ROTATABLY MOUNTED IN EACH ENGINE BORE, EACH ENGINE IMPELLER ROTATABLE IN TIMED RELATIONSHIP TO AND IN PREIODIC MESHED ENGAGEMENT WITH THE ENGINE IMPELLER IN THE COMMUNICATING ENGINE BORE, A COMPRESSOR IMPELLER ROTATABLY MOUNTED IN EACH COMPRESSOR BORE, EACH COMPRESSOR IMPELLER MOUNTED IN A COMPRESSOR BORE COMMUNICATING WITH AN ENGINE BORE ROTATABLE IN MESHED ENGAGEMENT WITH THE ENGINE IMPELLER MOUNTED IN SAID ENGINE BORE, A SHAFT ON EACH ENGINE AND COMPRESSOR IMPELLER EXTENDING THROUGH THE REAR HEAD, NEANS FOR CONNECTING THE RESPECTIVE ENGINE IMPELLER SHAFTS WITH EACH OTHER, MEANS FOR INTRODUCING AIR INTO A PLURALITY OF THE COMPRESSOR BORES, MEANS FOR INTRODUCING FUEL INTO EACH ENGINE BORE, MEANS FOR DISCHARGING EXHAUST GAS FROM EACH ENGINE BORE, MEANS IN EACH ENGINE BORE FOR IGNITING THE FUEL, MEANS FOR CONNECTING AT LEAST ONE OF THE ENGINE IMPELLER SHAFTS TO POWER OUTPUT MEANS.
Claim 2
Dependent Claim
214 words
A ROTARY ENGINE COMPRISING A BLOCK HAVING AT LEAST TWO COMMUNICATING ENGINE BORES AND A PLURALITY OF COMPRESSOR BORES, EACH ENGINE BORE COMMUNICATING WITH AT LEAST ONE COMPRESSOR BORE, EACH OF THE ENGINE AND COMPRESSOR BORES EXTENDING TRRRANSVERSLY THROUGH THE BLOCK A FRONT HEAD ATTACHED TO THE BLOCK OVERLYING THE RESPECTIVE ENGINE AND COMPRESSOR BORES, A REAR HEAD ATTACHED TO THE OPPOSITE OF THE BLOCK UNDERLYING THE RESPECTIVE ENGINE AND COMPRESSOR BORES, AN ENGINE IMPELLER ROTATABLY MOUNTED IN EACH ENGINE BORE, EACH ENGINE IMPELLER ROTATABLE IN TIMED RELATIONSHIP TO AND IN PREIODIC MESHED ENGAGEMENT WITH THE ENGINE IMPELLER IN THE COMMUNICATING ENGINE BORE, A COMPRESSOR IMPELLER ROTATABLY MOUNTED IN EACH COMPRESSOR BORE, EACH COMPRESSOR IMPELLER MOUNTED IN A COMPRESSOR BORE COMMUNICATING WITH AN ENGINE BORE ROTATABLE IN MESHED ENGAGEMENT WITH THE ENGINE IMPELLER MOUNTED IN SAID ENGINE BORE, A SHAFT ON EACH ENGINE AND COMPRESSOR IMPELLER EXTENDING THROUGH THE REAR HEAD, NEANS FOR CONNECTING THE RESPECTIVE ENGINE IMPELLER SHAFTS WITH EACH OTHER, MEANS FOR INTRODUCING AIR INTO A PLURALITY OF THE COMPRESSOR BORES, MEANS FOR INTRODUCING FUEL INTO EACH ENGINE BORE, MEANS FOR DISCHARGING EXHAUST GAS FROM EACH ENGINE BORE, MEANS IN EACH ENGINE BORE FOR IGNITING THE FUEL, MEANS FOR CONNECTING AT LEAST ONE OF THE ENGINE IMPELLER SHAFTS TO POWER OUTPUT MEANS.
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |