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US3302887A Expired / Lapsed US ⏱️ 0.0 years remaining

Modulating fluid amplifier control valve

Assignee: Individual
•
Filing: 1964-03-17
•
Granted: 1967-02-07
•
Expires: 1984-03-17
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Abstract

No abstract record available.

Inventors

  • 👤 Allen B Holmes
  • 👤 John E Foxwell
  • 👤 Robert F Kreimeyer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 06:06
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/82; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2322

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 161 words
A SECONDARY INJECTION THRUST VECTOR CONTROL SYSTEM FOR USE WITH A REACTION JET ENGINE WHICH HAS A COMBUSTION CHAMBER, AND A MAIN REACTION JET NOZZLE WITH A PRINCIPAL THRUST AXIS, COMPRISING: (A) A BLEED CONNECTED TO SAID COMBUSTION CHAMBER, (B) SAID BLEED SUPPLYING FLUID TO AN AUXILIARY CONTROL NOZZLE, SAID CONTROL NOZZLE HAVING A PRINCIPAL THRUST AXIS THAT IS UNOBSTRUCTED, (C) A SPLITTER LOCATED WHOLLY ON ONE SIDE OF SAID CONTROL NOZZLE AXIS, AND A SIGNAL CONDUIT CONTINUOUS WITH SAID SPLITTER, SAID SIGNAL CONDUIT LEADING TO AN INJECTION NOZZLE IN SAID MAIN REACTION JET NOZZLE, (D) CONTROL PORT MEANS ON SAID ONE SIDE OF SAID CONTROL NOZZLE AXIS FOR VARYING THE AMOUNT OF SURROUNDING FLUID ENTRAINED BY THE POWER JET FORMED BY SAID CONTROL NOZZLE, WHEREBY A DIFFERENTIAL PRESSURE IS CREATED ACROSS SAID JET THEREBY CAUSING SAID JET TO BE DIRECTED INTO SAID CONDUIT, (E) SAID DIFFERENTIAL PRESSURE BEING INVERSELY PROPORTIONAL TO THE AMOUNT OF SAID FLUID ENTRAINED BY SAID JET.

References Cited (Backward Citations)

US2812980A Cited
US3036430A Cited
US3132478A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-02-06 1970-08-08 1971-02-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-02-06 1974-08-08 1975-02-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-02-06 1978-08-08 1979-02-07 $7700.00 Window Closed / Lapsed

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