US3274898A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic motor
Assignee: Societe dApplications des Machines Motrices SAMM SA
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Filing: 1963-12-24
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Granted: 1966-09-27
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Expires: 1983-12-24
Abstract
No abstract record available.
Inventors
- 👤 Faisandier Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:39
CPC Classifications
F; F03; F03C; F03C1/00; F03C1/02; F03C1/04; F03C1/0403; F03C1/0435; F03C1/0444; F03C1/0409
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A HYDRAULIC MOTOR COMPRISING IN COMBINATION A STATOR, A ROTOR MOUNTED IN SAID STATOR FOR ROTATION ABOUT AN AXIS OF ROTATION, A PLURALITY OF CYLINDERS DISPOSED IN RADIAL ARRANGEMENT IN SAID ROTOR, PISTON MEMBERS RECEIVED IN SAID CYLINDERS, A REACTION MEMBER HAVING A SURFACE IN SAID STATOR FOR CONTROLLING THE MOVEMENT OF SAID PISTON MEMBERS IN SAID CYLINDERS, SAID SURFACES BEING MULTI-LOBED TO IMPOSE ON SAID PISTONS UPON ROTATIONS OF SAID ROTOR AT LEAST THREE STROKES PER REVOLUTION, SAID ROTOR COMPRISING A FLAT VALVE SEAT SURFACE DISPOSED PERPENDICULARLY TO SAID AXIAL ROTATION, AN ANNULAR VALVE PLATE HAVING A FLAT SURFACE FOR MAKING CONTACT WITH SAID FLAT SURFACE OF SAID ROTOR DURING ROTATION OF SAID ROTOR, A CONDUIT IN THE ROTOR FOR EACH CYLINDER DISCHARGING AT ONE END INTO ONE OF THE CYLINDERS AND AT THE OTHER END THROUGH AN ORIFICE OF SAID DISTRIBUTOR SURFACE OF SAID ROTOR AND HAVING AT LEAST ONE RECTILINEAR PORTION IN THE IMMEDIATE VICINITY OF SAID DISTRIBUTOR SURFACE OF SAID ROTOR,
Claim 2
Dependent Claim
165 words
A HYDRAULIC MOTOR COMPRISING IN COMBINATION A STATOR, A ROTOR MOUNTED IN SAID STATOR FOR ROTATION ABOUT AN AXIS OF ROTATION, A PLURALITY OF CYLINDERS DISPOSED IN RADIAL ARRANGEMENT IN SAID ROTOR, PISTON MEMBERS RECEIVED IN SAID CYLINDERS, A REACTION MEMBER HAVING A SURFACE IN SAID STATOR FOR CONTROLLING THE MOVEMENT OF SAID PISTON MEMBERS IN SAID CYLINDERS, SAID SURFACES BEING MULTI-LOBED TO IMPOSE ON SAID PISTONS UPON ROTATIONS OF SAID ROTOR AT LEAST THREE STROKES PER REVOLUTION, SAID ROTOR COMPRISING A FLAT VALVE SEAT SURFACE DISPOSED PERPENDICULARLY TO SAID AXIAL ROTATION, AN ANNULAR VALVE PLATE HAVING A FLAT SURFACE FOR MAKING CONTACT WITH SAID FLAT SURFACE OF SAID ROTOR DURING ROTATION OF SAID ROTOR, A CONDUIT IN THE ROTOR FOR EACH CYLINDER DISCHARGING AT ONE END INTO ONE OF THE CYLINDERS AND AT THE OTHER END THROUGH AN ORIFICE OF SAID DISTRIBUTOR SURFACE OF SAID ROTOR AND HAVING AT LEAST ONE RECTILINEAR PORTION IN THE IMMEDIATE VICINITY OF SAID DISTRIBUTOR SURFACE OF SAID ROTOR,
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |