Patent US3204620A successfully refreshed from Google Patents.
US3204620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed sensing device
Assignee: Individual
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Filing: 1963-10-16
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Granted: 1965-09-07
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Expires: 1983-10-16
Abstract
No abstract record available.
Inventors
- 👤 Walker Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:18
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A GOVERNOR FOR AN ENGINE HAVING A CRANK SHAFT, A CARBURETOR, A RADIATOR AND AN ENGINE DRIVEN COOLING LIQUID PUMP COMPRISING A FLUID ACTUATED PISTON, AN ENCLOSURE FOR ONE SIDE OF SAID PISTON, A CONNECTION BETWEEN THE INTAKE SIDE OF SAID PUMP AND ONE SIDE OF SAID PISTON AND ANOTHER CONNECTION BETWEEN THE OUTLET SIDE OF SAID PUMP AND THE OTHER SIDE OF SAID PISTON, MEANS ACTUATED BY SAID PISTON FOR CONTROLLING THE AMOUNT OF FUEL FED TO SAID ENGINE BY SAID CARBURETOR, SAID PUMP HAVING A VANED ROTOR DRIVEN IN RELATION TO THE SPEED OR ROTATION OF SAID CRANK SHAFT, SAID CONNECTION TO THE OUTLET SIDE OF SAID PUMP INCLUDING A PITOT TUBE WITH ITS OPENING NEAR THE PERIMETER OF SAID PUMP ROTOR TO PICK UP LIQUID PRESSURE RESULTING FROM THE VELOCITY OF THE LIQUID LEAVING OR FOLLOWING SAID ROTOR.
Claim 2
Dependent Claim
141 words
A GOVERNOR FOR AN ENGINE HAVING A CRANK SHAFT, A CARBURETOR, A RADIATOR AND AN ENGINE DRIVEN COOLING LIQUID PUMP COMPRISING A FLUID ACTUATED PISTON, AN ENCLOSURE FOR ONE SIDE OF SAID PISTON, A CONNECTION BETWEEN THE INTAKE SIDE OF SAID PUMP AND ONE SIDE OF SAID PISTON AND ANOTHER CONNECTION BETWEEN THE OUTLET SIDE OF SAID PUMP AND THE OTHER SIDE OF SAID PISTON, MEANS ACTUATED BY SAID PISTON FOR CONTROLLING THE AMOUNT OF FUEL FED TO SAID ENGINE BY SAID CARBURETOR, SAID PUMP HAVING A VANED ROTOR DRIVEN IN RELATION TO THE SPEED OR ROTATION OF SAID CRANK SHAFT, SAID CONNECTION TO THE OUTLET SIDE OF SAID PUMP INCLUDING A PITOT TUBE WITH ITS OPENING NEAR THE PERIMETER OF SAID PUMP ROTOR TO PICK UP LIQUID PRESSURE RESULTING FROM THE VELOCITY OF THE LIQUID LEAVING OR FOLLOWING 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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |