US3125960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
chilman
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:34
CPC Classifications
F; F04; F04B; F04B17/00; F04B17/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A PUMPING DEVICE COMPRISING A WIND MOTOR HAVING BLADES, A FLUID-PRESSURE PUMP CONNECTED TO BE DRIVEN BY THE WIND MOTOR, A FLUID PRESSURE MOTOR CONNECTED TO THE BLADES OF THE WIND MOTOR FOR ADJUSTING THEIR PITCH, A ROTATIONAL GOVERNOR INCLUDING A FLUID VALVE FOR CONTROLLING THE SUPPLY OF FLUID FROM THE PUMP TO THE FLUID PRESSURE MOTOR AND HENCE THE PITCH OF THE BLADES, THE FLUID VALVE HAVING A FIRST DATUM POSITION CORRESPONDING TO A FIRST CONSTANT SPEED OF ROTATION OF THE WIND MOTOR AND TO A PUMP-ON LOAD CONDITIONS, AND MEANS RESPONSIVE TO A DELIVERY CONDITION OF THE FLUID-PRESSURE PUMP SO THAT WHEN THE DELIVERY CONDITION HAS A PREDETERMINED VALUE, THE FLUID VALVE IS DISPLACED FROM ITS FIRST DATUM POSITION TO A SECOND DATUM POSITION CORRESPONDING TO A SECOND CONSTANT SPEED OF ROTATION OF THE WIND MOTOR, AND TO A PUMP OFF-LOAD CONDITION.
Claim 2
Dependent Claim
144 words
A PUMPING DEVICE COMPRISING A WIND MOTOR HAVING BLADES, A FLUID-PRESSURE PUMP CONNECTED TO BE DRIVEN BY THE WIND MOTOR, A FLUID PRESSURE MOTOR CONNECTED TO THE BLADES OF THE WIND MOTOR FOR ADJUSTING THEIR PITCH, A ROTATIONAL GOVERNOR INCLUDING A FLUID VALVE FOR CONTROLLING THE SUPPLY OF FLUID FROM THE PUMP TO THE FLUID PRESSURE MOTOR AND HENCE THE PITCH OF THE BLADES, THE FLUID VALVE HAVING A FIRST DATUM POSITION CORRESPONDING TO A FIRST CONSTANT SPEED OF ROTATION OF THE WIND MOTOR AND TO A PUMP-ON LOAD CONDITIONS, AND MEANS RESPONSIVE TO A DELIVERY CONDITION OF THE FLUID-PRESSURE PUMP SO THAT WHEN THE DELIVERY CONDITION HAS A PREDETERMINED VALUE, THE FLUID VALVE IS DISPLACED FROM ITS FIRST DATUM POSITION TO A SECOND DATUM POSITION CORRESPONDING TO A SECOND CONSTANT SPEED OF ROTATION OF THE WIND MOTOR, AND TO A PUMP OFF-LOAD CONDITION.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |