US3329067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid motors
Assignee: Individual
•
Filing: 1964-11-23
•
Granted: 1967-07-04
•
Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Nils O Rosaen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:10
CPC Classifications
F; F01; F01C; F01C21/00; F01C21/08; F01C21/0809; F01C21/0818; F01C21/0854; F01C21/0863
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A VANE-TYPE FLUID-DRIVEN MOTOR, COMPRISING, (A) A HOUSING STRUCTURE HAVING A CHAMBER AND A ROTOR THEREIN, (B) SAID ROTOR HAVING SLOTS SPACED ON THE PERIPHERY AND SINGLE VANES SLIDABLE IN SAID SLOTS, SAID VANES HAVING INNER AND OUTER LEADING AND TRAILING END PORTIONS, (C) A CAM RING RADIALLY SPACED FROM THE ROTOR PERIPHERY AND GUIDING SAID VANES FOR MOVEMENT IN SAID SLOTS, (D) PRESSURE FLUID INTAKE MEANS AND FLUID DISCHARGE MEANS OPENING TO ANNULARLY SPACED PORTIONS OF THE SPACED BETWEEN SAID CAM RING AND SAID ROTOR PERIPHERY WHEREBY PRESSURE FLUID IMPELS SAID VANES TO DRIVE SAID ROTOR, (E) MEANS HAVING NO DIRECT CONNECTION WITH SAID ANNULARLY SPACED PORTIONS SUBJECTING EACH VANE INNER END LEADING AND TRAILING PORTIONS TO PRESSURES SUBSTANTIALLY PROPORTIONATE TO PRESSURES TO WHICH THE OUTER END LEADING AND TRAILING PORTIONS ARE SUBJECTED.
Claim 2
Dependent Claim
134 words
A VANE-TYPE FLUID-DRIVEN MOTOR, COMPRISING, (A) A HOUSING STRUCTURE HAVING A CHAMBER AND A ROTOR THEREIN, (B) SAID ROTOR HAVING SLOTS SPACED ON THE PERIPHERY AND SINGLE VANES SLIDABLE IN SAID SLOTS, SAID VANES HAVING INNER AND OUTER LEADING AND TRAILING END PORTIONS, (C) A CAM RING RADIALLY SPACED FROM THE ROTOR PERIPHERY AND GUIDING SAID VANES FOR MOVEMENT IN SAID SLOTS, (D) PRESSURE FLUID INTAKE MEANS AND FLUID DISCHARGE MEANS OPENING TO ANNULARLY SPACED PORTIONS OF THE SPACED BETWEEN SAID CAM RING AND SAID ROTOR PERIPHERY WHEREBY PRESSURE FLUID IMPELS SAID VANES TO DRIVE SAID ROTOR, (E) MEANS HAVING NO DIRECT CONNECTION WITH SAID ANNULARLY SPACED PORTIONS SUBJECTING EACH VANE INNER END LEADING AND TRAILING PORTIONS TO PRESSURES SUBSTANTIALLY PROPORTIONATE TO PRESSURES TO WHICH THE OUTER END LEADING AND TRAILING PORTIONS ARE SUBJECTED.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |