US3135291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bistable fluid valve
Assignee: RTX Corp
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Filing: 1961-06-14
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Granted: 1964-06-02
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Kepler Charles Edward
- 👤 Robert E Olson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:06
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/82; Y; Y10; Y10S; Y10S239/00; Y10S239/03; Y10T; Y10T137/00; Y10T137/206; Y10T137/218
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A BISTABLE FLUID OPERATED VALVE AND NOZZLE SECTION USABLE FOR DIRECTIONAL CONTROL OF ROCKETS OR THE LIKE AND COMPRISING INLET FLUID PASSAGEWAY MEANS, FIRST AND SECOND BRANCH FLUID PASSAGEWAY MEANS EACH COMMUNICATING WITH SAID INLET PASSAGEWAY MEANS, FIRST AND SECOND OPPOSED CONTROL NOZZLES ARRANGED TO SELECTIVELY EMIT FIRST AND SECOND SWITCHING FLUID JETS TO SAID INLET PASSAGEWAY MEANS, SAID SWITCHING JETS SERVING RESPECTIVELY TO DIRECT A FLUID STREAM FROM SAID INLET PASSAGEWAY MEANS TO SAID FIRST AND SECOND BRANCH PASSAGEWAY MEANS, AND ADJACENT FIRST AND SECOND EXHAUST NOZZLES COMMUNICATING RESPECTIVELY WITH SAID FIRST AND SECOND BRANCH PASSAGEWAY MEANS TO SELECTIVELY EMIT FIRST AND SECOND EXHAUST JETS UNDER THE CONTROL OF SAID SWITCHING JETS, SAID EXHAUST NOZZLES BEING ARRANGED RELATIVELY WITH THEIR LONGITUDINAL CENTER LINES AT LEAST APPROXIMATELY AT RIGHT ANGLES SO THAT THE EXHAUST JET EMITTED FROM EACH NOZZLE CROSSES AND BLOCKS THE MOUTH OF THE OTHER NOZZLE WHEREBY THE OPERATION OF SAID SWITCHING JETS IS RENDERED IMMUNE TO ATMOSPHERIC PRESSURE CHANGE.
Claim 2
Dependent Claim
162 words
A BISTABLE FLUID OPERATED VALVE AND NOZZLE SECTION USABLE FOR DIRECTIONAL CONTROL OF ROCKETS OR THE LIKE AND COMPRISING INLET FLUID PASSAGEWAY MEANS, FIRST AND SECOND BRANCH FLUID PASSAGEWAY MEANS EACH COMMUNICATING WITH SAID INLET PASSAGEWAY MEANS, FIRST AND SECOND OPPOSED CONTROL NOZZLES ARRANGED TO SELECTIVELY EMIT FIRST AND SECOND SWITCHING FLUID JETS TO SAID INLET PASSAGEWAY MEANS, SAID SWITCHING JETS SERVING RESPECTIVELY TO DIRECT A FLUID STREAM FROM SAID INLET PASSAGEWAY MEANS TO SAID FIRST AND SECOND BRANCH PASSAGEWAY MEANS, AND ADJACENT FIRST AND SECOND EXHAUST NOZZLES COMMUNICATING RESPECTIVELY WITH SAID FIRST AND SECOND BRANCH PASSAGEWAY MEANS TO SELECTIVELY EMIT FIRST AND SECOND EXHAUST JETS UNDER THE CONTROL OF SAID SWITCHING JETS, SAID EXHAUST NOZZLES BEING ARRANGED RELATIVELY WITH THEIR LONGITUDINAL CENTER LINES AT LEAST APPROXIMATELY AT RIGHT ANGLES SO THAT THE EXHAUST JET EMITTED FROM EACH NOZZLE CROSSES AND BLOCKS THE MOUTH OF THE OTHER NOZZLE WHEREBY THE OPERATION OF SAID SWITCHING JETS IS RENDERED IMMUNE TO ATMOSPHERIC PRESSURE CHANGE.
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |