US3327692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary internal combustion engine
Assignee: Individual
•
Filing: 1965-10-13
•
Granted: 1967-06-27
•
Expires: 1985-10-13
Abstract
No abstract record available.
Inventors
- 👤 Stanley E Keagle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:20
CPC Classifications
F; F02; F02B; F02B53/00; F02B75/00; F02B75/02; F02B2075/022; F02B2075/027; F02B2730/00; F02B2730/03; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A ROTARY ENGINE, A FRAME, A ROTATIONALLY MOUNTED CYLINDER HAVING CLOSED ENDS AND A TUBULAR CENTER CYLINDRICAL PORTION ON THE FRAME, MEANS TO MOUNT AT LEAST ONE FIRST ELEMENT IN SAID CYLINDER FIXED WITH RESPECT TO SAID FRAME, A SECOND ELEMENT INSIDE SAID CYLINDER COMPLEMENTAL TO SAID FIRST ELEMENT, SAID SECOND ELEMENT BEING MOVABLE WITH RESPECT TO SAID FIRST ELEMENT TO FORM A CHAMBER OF VARYING VOLUME WITH RESPECT THERETO, MEANS TO NORMALLY SLIDABLY SEAL THE PERIPHERIES OF THE ELEMENTS WITH RESPECT TO THEIR MATING SURFACES, MEANS CONNECTED BETWEEN SAID ROTATING CYLINDER AND SAID SECOND ELEMENT TO OSCILLATE SAID SECOND ELEMENT WITH RESPECT TO THE MATING FIRST ELEMENT AS SAID CYLINDER ROTATES, INTAKE PORT MEANS ON SAID CYLINDER TIMED TO COMMUNICATE WITH THE CHAMBER WHEN THE ELEMENTS MOVE AWAY ON A FIRST STROKE, SAID ELEMENTS THEN MOVING TOGETHER TO PROVIDE A SECOND COMPRESSION STROKE, MEANS TO PROVIDE FUEL COMBUSTION IN THE CHAMBER AT THE END OF THE COMPRESSION STROKE THEREBY FORCING THE ELEMENTS APART IN A THIRD POWER STROKE, AND EXHAUST PORT MEANS ON SAID CYLINDER TO PERMIT DISCHARGE
Claim 2
Dependent Claim
180 words
IN A ROTARY ENGINE, A FRAME, A ROTATIONALLY MOUNTED CYLINDER HAVING CLOSED ENDS AND A TUBULAR CENTER CYLINDRICAL PORTION ON THE FRAME, MEANS TO MOUNT AT LEAST ONE FIRST ELEMENT IN SAID CYLINDER FIXED WITH RESPECT TO SAID FRAME, A SECOND ELEMENT INSIDE SAID CYLINDER COMPLEMENTAL TO SAID FIRST ELEMENT, SAID SECOND ELEMENT BEING MOVABLE WITH RESPECT TO SAID FIRST ELEMENT TO FORM A CHAMBER OF VARYING VOLUME WITH RESPECT THERETO, MEANS TO NORMALLY SLIDABLY SEAL THE PERIPHERIES OF THE ELEMENTS WITH RESPECT TO THEIR MATING SURFACES, MEANS CONNECTED BETWEEN SAID ROTATING CYLINDER AND SAID SECOND ELEMENT TO OSCILLATE SAID SECOND ELEMENT WITH RESPECT TO THE MATING FIRST ELEMENT AS SAID CYLINDER ROTATES, INTAKE PORT MEANS ON SAID CYLINDER TIMED TO COMMUNICATE WITH THE CHAMBER WHEN THE ELEMENTS MOVE AWAY ON A FIRST STROKE, SAID ELEMENTS THEN MOVING TOGETHER TO PROVIDE A SECOND COMPRESSION STROKE, MEANS TO PROVIDE FUEL COMBUSTION IN THE CHAMBER AT THE END OF THE COMPRESSION STROKE THEREBY FORCING THE ELEMENTS APART IN A THIRD POWER STROKE, AND EXHAUST PORT MEANS ON SAID CYLINDER TO PERMIT DISCHARGE
References Cited (Backward Citations)
US1294487A
Cited
US3139871A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-26 | 1970-12-26 | 1971-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-26 | 1974-12-26 | 1975-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-26 | 1978-12-26 | 1979-06-27 | $7700.00 | Window Closed / Lapsed |