Hydraulic rotary-pressure device
Abstract
Abstract A ROTARY FLUID PRESSURE DEVICE HAVING A RING MEMBER DEFINING AN OUTER WALL OF A CHAMBER WITHIN WHICH ARE DISPOSED A PLURALITY OF CIRCULARLY ARRANGED CIRCULAR DISCS INDEPENDENT OF THE RING MEMBER DEFINING INTERNAL "TEETH" OF THE RING MEMBER AND WITHIN THE CHAMBER IS DISPOSED A TOOTHED STAR MEMBER ABOUT WHICH ORBITAL MOVEMENT IS EFFECTED SO THAT THE MESHING TEETH AND DISCS DEFINE EXPANDING AND CONTRACTING CELLS WITHIN THE CHAMBER AND A ROTARY VALVE ARRANGEMENT DRIVEN IN SYNCHRONISM WITH THE RELATIVE ORBITAL MOVEMENT OF MEMBERS PLACES THE CELLS SEQUENTIALLY IN COMMUNICATION WITH INLET AND OUTLET PORTS SO THAT THE DEVICE CAN FUNCTION EITHER AS A PUMP OR POWER MOTOR WHICH IS REVERSIBLE. THE DISCS ARE PIVOTALLY MOUNTED AND ROTATIONALLY DRIVEN FROM A MAIN SHAFT OF THE DEVICE SO THAT THE RELATIVE ORBITAL MOVEMENT IS EFFECTED BY THE DISCS IMPARTING ORBITAL MOVEMENT TO THE RING MEMBER.
Inventors
- 👤 Gunnar Lyshoj Hansen
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |