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US3417772A Expired / Lapsed US ⏱️ 0.0 years remaining

Rocket motor propellant injection system

Assignee: ATK Launch Systems LLC
•
Filing: 1966-11-09
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Granted: 1968-12-24
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Expires: 1986-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 John I Schaeffer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 23:52
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; F02K9/58; F15; F15C; F15C1/00; F15C1/002; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2087; Y10T137/2098; Y10T137/212; Y10T137/2125; Y10T137/2147; Y10T137/2153

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 258 words
A FLUIDALLY CONTROLLED SYSTEM FOR INJECTING LIQUID PROPELLANT INTO THE COMBUSTION CHAMBER OF A ROCKET MOTOR, COMPRISING: A LIQUID PROPELLANT SUPPLY RESERVOIR; A FIRST WALL ATTACHMENT AMPLIFIER HAVING FIRST AND SECOND INLETS AND FIRST AND SECOND OUTLETS AND ARRANGED SO THAT SELECTIVE VARIATION OF THE VOLUME OF FLUID INJECTED INTO SAID SECOND INLET DIRECTS THE FLUID INJECTED INTO SAID FIRST INLET THROUGH SAID FIRST OUTLET ONLY, THROUGH SAID SECOND OUTLET ONLY, OR THROUGH BOTH SAID FIRST AND SECOND OUTLETS; A FIRST CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER WITH SAID LIQUID PROPELLANT SUPPLY RESERVOIR; A VORTEX AMPLIFIER HAVING A FIRST INLET THROUGH WHICH FLUID CAN BE INJECTED RADIALY INTO THE INTERIOR THEREOF, A SECOND INLET THROUGH WHICH FLUID CAN BE INJECTED TANGENTIALLY INTO THE INTERIOR THEREOF AND INTO IMPINGEMENT WITH FLUID INJECTED INTO SAID FIRST INLET, AND AN OUTLET; A SECOND CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID VORTEX AMPLIFIER WITH SAID FIRST OUTLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER; A THIR CONDUIT COMMUNICATIVELY CONNECTING SAID SECOND INLET OF SAID VORTEX AMPLIFIER WITH SAID SECOND OUTLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER; A SECOND WALL ATTACHMENT AMPLIFIER HAVING FIRST AND SECOND INLETS AND FIRST AND SECOND OUTLETS AND ARRANGED SO THAT SELECTIVE VARIATION OF THE VOLUME OF FLUID INJECTED INTO SAID SECOND INLET DIRECTS FLUID INJECTED INTO SAID FIRST INLET THROUGH SAID FIRST OUTLET ONLY OR THROUGH SAID SECOND OUTLET ONLY; A FOURTH CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID SECOND WALL ATTACHMENT AMPLIFIER WITH SAID OUTLET OF SAID VORTEX AMPLIFIER;
Claim 2
Dependent Claim 258 words
A FLUIDALLY CONTROLLED SYSTEM FOR INJECTING LIQUID PROPELLANT INTO THE COMBUSTION CHAMBER OF A ROCKET MOTOR, COMPRISING: A LIQUID PROPELLANT SUPPLY RESERVOIR; A FIRST WALL ATTACHMENT AMPLIFIER HAVING FIRST AND SECOND INLETS AND FIRST AND SECOND OUTLETS AND ARRANGED SO THAT SELECTIVE VARIATION OF THE VOLUME OF FLUID INJECTED INTO SAID SECOND INLET DIRECTS THE FLUID INJECTED INTO SAID FIRST INLET THROUGH SAID FIRST OUTLET ONLY, THROUGH SAID SECOND OUTLET ONLY, OR THROUGH BOTH SAID FIRST AND SECOND OUTLETS; A FIRST CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER WITH SAID LIQUID PROPELLANT SUPPLY RESERVOIR; A VORTEX AMPLIFIER HAVING A FIRST INLET THROUGH WHICH FLUID CAN BE INJECTED RADIALY INTO THE INTERIOR THEREOF, A SECOND INLET THROUGH WHICH FLUID CAN BE INJECTED TANGENTIALLY INTO THE INTERIOR THEREOF AND INTO IMPINGEMENT WITH FLUID INJECTED INTO SAID FIRST INLET, AND AN OUTLET; A SECOND CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID VORTEX AMPLIFIER WITH SAID FIRST OUTLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER; A THIR CONDUIT COMMUNICATIVELY CONNECTING SAID SECOND INLET OF SAID VORTEX AMPLIFIER WITH SAID SECOND OUTLET OF SAID FIRST WALL ATTACHMENT AMPLIFIER; A SECOND WALL ATTACHMENT AMPLIFIER HAVING FIRST AND SECOND INLETS AND FIRST AND SECOND OUTLETS AND ARRANGED SO THAT SELECTIVE VARIATION OF THE VOLUME OF FLUID INJECTED INTO SAID SECOND INLET DIRECTS FLUID INJECTED INTO SAID FIRST INLET THROUGH SAID FIRST OUTLET ONLY OR THROUGH SAID SECOND OUTLET ONLY; A FOURTH CONDUIT COMMUNICATIVELY CONNECTING SAID FIRST INLET OF SAID SECOND WALL ATTACHMENT AMPLIFIER WITH SAID OUTLET OF SAID VORTEX AMPLIFIER;

References Cited (Backward Citations)

US3267946A Cited
US3266241A Cited
US3276259A Cited
US3229460A Cited
US3302935A Cited
US3336754A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-12-24 1972-06-24 1972-12-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-12-24 1976-06-24 1976-12-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-12-24 1980-06-24 1980-12-24 $7700.00 Window Closed / Lapsed

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