Patent US2428791A successfully refreshed from Google Patents.
US3147669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expansible fluid engine
Assignee: Individual
•
Filing: 1963-08-01
•
Granted: 1964-09-08
•
Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 Wilton G Lundquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:16
CPC Classifications
F; F01; F01L; F01L15/00; F01L15/12; F01B; F01B1/00; F01B1/01; F01B17/00; F01B17/02; F01B17/04; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02B75/222; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/053; F03C1/0531; F03C1/0535; F03C1/0536; F02B2075/1804; F02B2075/1832
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
188 words
IN AN EXPANSIBLE FLUID ENGINE OF THE UNIFLOW TYPE, THE COMBINATION OF A PLURALITY OF CYLINDER BLOCKS SYMMETRICALLY DISPOSED ABOUT A COMMON AXIS, EACH CYLINDER BLOCK HAVING A CYLINDER BORE WITH A PISTON OPERABLY DISPOSED THEREIN AND A WORKING FLUID INLET VALVE FOR CONTROLLABLY ADMITTING WORKING FLUID TO THE CYLINDER BORE, THE CYLINDER BORE WALLS BEING PROVIDED WITH EXHAUST PORTS CONTROLLED BY SAID PISTONS, A CRANKSHAFT WITH ITS AXIS PARALLEL TO THE AXIS OF SYMMETRY, A TRUE MOTION FRAME CARRIED BY THE CRANKPIN JOURNAL OF THE CRANKSHAFT, MEANS FOR CAUSING THE TRUE MOTION FRAME TO TRAVEL IN AN ORBIT WHOSE RADIUS IS EQUAL TO THE THROW OF SAID CRANKSHAFT, MEANS FOR PREVENTING SUBSTANTIAL ROTATION OF SAID TRUE MOTION FRAME DURING ORBITAL TRAVEL, CONNECTING RODS PIVOTALLY ATTACHED TO THE PISTONS AND THE TRUE MOTION FRAME, A CAM TRACK INTEGRAL WITH THE TRUE MOTION FRAME AND MOVING THEREWITH IN ORBIT, A TAPPET ROLLER MOUNTED AND GUIDED IN EACH CYLINDER BLOCK AND CONTROLLING THE INLET VALVE OF ITS CORRESPONDING CYLINDER BY THE MOTION IMPARTED TO THE INLET VALVE BY THE ROLLER MOTION AS IT FOLLOWS THE CONVOLUTIONS OF THE CAM TRACK.
Claim 2
Dependent Claim
188 words
IN AN EXPANSIBLE FLUID ENGINE OF THE UNIFLOW TYPE, THE COMBINATION OF A PLURALITY OF CYLINDER BLOCKS SYMMETRICALLY DISPOSED ABOUT A COMMON AXIS, EACH CYLINDER BLOCK HAVING A CYLINDER BORE WITH A PISTON OPERABLY DISPOSED THEREIN AND A WORKING FLUID INLET VALVE FOR CONTROLLABLY ADMITTING WORKING FLUID TO THE CYLINDER BORE, THE CYLINDER BORE WALLS BEING PROVIDED WITH EXHAUST PORTS CONTROLLED BY SAID PISTONS, A CRANKSHAFT WITH ITS AXIS PARALLEL TO THE AXIS OF SYMMETRY, A TRUE MOTION FRAME CARRIED BY THE CRANKPIN JOURNAL OF THE CRANKSHAFT, MEANS FOR CAUSING THE TRUE MOTION FRAME TO TRAVEL IN AN ORBIT WHOSE RADIUS IS EQUAL TO THE THROW OF SAID CRANKSHAFT, MEANS FOR PREVENTING SUBSTANTIAL ROTATION OF SAID TRUE MOTION FRAME DURING ORBITAL TRAVEL, CONNECTING RODS PIVOTALLY ATTACHED TO THE PISTONS AND THE TRUE MOTION FRAME, A CAM TRACK INTEGRAL WITH THE TRUE MOTION FRAME AND MOVING THEREWITH IN ORBIT, A TAPPET ROLLER MOUNTED AND GUIDED IN EACH CYLINDER BLOCK AND CONTROLLING THE INLET VALVE OF ITS CORRESPONDING CYLINDER BY THE MOTION IMPARTED TO THE INLET VALVE BY THE ROLLER MOTION AS IT FOLLOWS THE CONVOLUTIONS OF THE CAM TRACK.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |