US3160346A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By-pass control valve
Assignee: United Aircraft Products Inc
•
Filing: 1960-12-29
•
Granted: 1964-12-08
•
Expires: 1980-12-29
Abstract
No abstract record available.
Inventors
- 👤 Ewald J Kimm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:13
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A BY-PASS FLUID CONTROL VALVE, INCLUDING A BODY HAVING A PAIR OF FLUID INLETS SUPPLIED WITH A PRESSURE FLUID UNDER DIFFERENTIAL PRESSURE AND A COMMON OUTLET, VALVE MEANS OCCUPYING ALTERNATE EXTREME POSITIONS OF ADJUSTMENT CONNECTING DIFFERENT ONES OF SAID INLETS TO SAID OUTLET AND POSITIONS INTERMEDIATE SAID EXTREME POSITIONS, SPRING MEANS URGING SAID VALVE MEANS TOWARD A POSITION COMMUNICATING THE INLET OF LOWER PRESSURE TO SAID OUTLET, SAID BODY PROVIDING A PISTON CHAMBER DIRECTLY COMMUNICATING AT ITS ONE END WITH SAID OUTLET, SAID BODY FURTHER PROVIDING A PASSAGE TO THE OTHER END OF SAID CHAMBER IN COMMON COMMUNICATION WITH THE INLET OF HIGHER PRESSURE AND WITH SAID OUTLET, MEANS RESTRICTING THE COMMUNICATION OF SAID PASSAGE WITH SAID INLET OF HIGHER PRESSURE, AN ADJUSTABLE PILOT VALVE OPENING AND CLOSING COMMUNICATION OF SAID PASSAGE WITH SAID OUTLET, MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID FOR ADJUSTING SAID PILOT VALVE, AND
Claim 2
Dependent Claim
149 words
A BY-PASS FLUID CONTROL VALVE, INCLUDING A BODY HAVING A PAIR OF FLUID INLETS SUPPLIED WITH A PRESSURE FLUID UNDER DIFFERENTIAL PRESSURE AND A COMMON OUTLET, VALVE MEANS OCCUPYING ALTERNATE EXTREME POSITIONS OF ADJUSTMENT CONNECTING DIFFERENT ONES OF SAID INLETS TO SAID OUTLET AND POSITIONS INTERMEDIATE SAID EXTREME POSITIONS, SPRING MEANS URGING SAID VALVE MEANS TOWARD A POSITION COMMUNICATING THE INLET OF LOWER PRESSURE TO SAID OUTLET, SAID BODY PROVIDING A PISTON CHAMBER DIRECTLY COMMUNICATING AT ITS ONE END WITH SAID OUTLET, SAID BODY FURTHER PROVIDING A PASSAGE TO THE OTHER END OF SAID CHAMBER IN COMMON COMMUNICATION WITH THE INLET OF HIGHER PRESSURE AND WITH SAID OUTLET, MEANS RESTRICTING THE COMMUNICATION OF SAID PASSAGE WITH SAID INLET OF HIGHER PRESSURE, AN ADJUSTABLE PILOT VALVE OPENING AND CLOSING COMMUNICATION OF SAID PASSAGE WITH SAID OUTLET, MEANS RESPONSIVE TO THE TEMPERATURE OF THE FLUID FOR ADJUSTING SAID PILOT VALVE, AND
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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) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |