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US3134425A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas generation system and metering valve mechanism

Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1961-02-08
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Granted: 1964-05-26
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Expires: 1981-02-08
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Abstract

No abstract record available.

Inventors

  • 👤 Frank L Oppenheimer
  • 👤 Robert S Mathias

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 11:07
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/80; F02K9/805; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/4673; Y10T137/8593; Y10T137/87096; Y10T137/87113; Y10T137/87153; Y10T137/87161; Y10T137/877; Y10T137/87708; Y10T137/87772

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 269 words
A DEVICE ADAPTED TO METER THE FLOW RATES OF GASES TO A GAS GENERATOR COMPRISING: A FIRST CHAMBER HAVING AN INLET AND NOZZLED OUTLET FOR TRANSFER OF A GASEOUS MEDIUM TO THE GAS GENERATOR, A SECOND CHAMBER HAVING AN INLET AND NOZZLED OUTLET FOR TRANSFER OF A GASEOUS MEDIUM TO THE GAS GENERATOR, A LEVER IN EACH OF THE FIRST AND SECOND CHAMBERS CARRYING A FLAPPER MEMBER IN THE CHAMBER POSITIONED ADJACENT AND SPACED FROM THE NOZZLED OUTLET, PIVOT MEANS IN WHICH THE LEVERS ARE FULCRUMED MOUNTED ON ONE WALL OF THE CHAMBERS, GUIDE MEANS FOR THE LEVERS, A SINGLE CAM MEMBER, A CAM FOLLOWER ON THE END OF EACH LEVER OPPOSITE THE FLAPPER MEMBER RIDING IN SPACED RELATION IN A CAMMED SURFACE OF THE SINGLE CAM MEMBER, MEANS MOUNTING THE CAM MEMBER FOR ROTATIONAL MOVEMENT THEREOF IN RESPONSE TO A SIGNAL RECEIVED FROM A REMOTE SOURCE WHEREBY MOVEMENT OF THE CAM MEMBER SIMULTANEOUSLY MOVES THE CAM FOLLOWERS AND PROPORTIONATELY VARIES THE DISTANCE BETWEEN THE FLAPPER MEMBERS AND NOZZLED OUTLETS IN THE FIRST AND SECOND CHAMBERS TO THEREBY VARY PROPORTIONATELY THE RELATIVE RATES OF FLOW FROM SAID CHAMBERS, A THIRD CHAMBER HAVING AN INLET AND NOZZLED OUTLET FOR TRANSFERRING GASEOUS MEDIUMS OF TEMPERATURES EQUAL TO AND DIFFERENT THAN THE TEMPERATURE OF ONE OF THE GASEOUS MEDIUMS IN THE FIRST AND SECOND CHAMBERS FOR COMBINATION WITH ONE OF SAID GASEOUS MEDIUMS TO THEREBY REGULATE THE GAS GENERATOR COMBUSTION TEMPERATURE, AND SIGNAL RESPONSIVE MEANS IN SAID THIRD CHAMBER VARYING THE RATE OF FLOW FROM SAID THIRD CHAMBER THROUGH SAID NOZZLED OUTLET IN RESPONSE TO A SIGNAL RECEIVED FROM A REMOTE SOURCE.

References Cited (Backward Citations)

US2606420A Cited
US2631426A Cited
US2846846A Cited
US2995008A Cited
GB843535A Cited
US2857741A Cited
US3025669A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

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