US3390528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid thrust control system
Assignee: RTX Corp
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Filing: 1966-09-08
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Granted: 1968-07-02
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Expires: 1986-09-08
Abstract
No abstract record available.
Inventors
- 👤 William L Howell
- 👤 Harvey B Jansen
- 👤 Eugene N Lehmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:52
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/212; Y10T137/2125; Y10T137/2147
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
A COMBUSTION SYSTEM INCLUDING A COMBINATION CHAMBER, A SUPPLY OF PROPELLANT, MEANS FOR PRESSURIZING SAID PROPELLANT COMPRISING A PUMP, A TURBINE FOR DRIVING THE PUMP, MEANS FOR ADDING ENERGY TO SAID PROPELLANT, CONDUIT MEANS FOR CONDUCTING PROPELLANT FROM SAID ADDING MEANS TO SAID COMBUSTION CHAMBER, SAID TURBINE BEING LOCATED IN SAID CONDUIT MEANS, AN EJECTOR MEANS IN SAID CONDUIT MEANS UPSTREAM OF SAID TURBINE, A PURE FLUID CONTROL HAVING FIRST AND SECOND OUTPUT LEGS AND AN INLET CONNECTED TO SAID CONDUIT MEANS FOR CONDUCTING PROPELLANT AROUND SAID TURBINE THEREBY TO REGULATE THE AMOUNT OF PROPELLANT PASSING THROUGH SAID TURBINE, SAID FIRST OUTPUT LEG BEING CONNECTED TO SAID EJECTOR MEANS FOR ENTRY OF PROPELLANT FROM SAID CONTROL INTO SAID CONDUIT MEANS, SAID SECOND OUTPUT LEG BEING CONNECTED TO SAID COMBUSTION CHAMBER FOR DIRECTING PROPELLANT THERETO, AND SAID INLET BEING CONNECTED TO SAID CONDUIT MEANS BETWEEN SAID ADDING MEANS AND SAID EJECTOR MEANS FOR ENTRY OF PROPELLANT INTO SAID FLUID CONTROL.
Claim 2
Dependent Claim
159 words
A COMBUSTION SYSTEM INCLUDING A COMBINATION CHAMBER, A SUPPLY OF PROPELLANT, MEANS FOR PRESSURIZING SAID PROPELLANT COMPRISING A PUMP, A TURBINE FOR DRIVING THE PUMP, MEANS FOR ADDING ENERGY TO SAID PROPELLANT, CONDUIT MEANS FOR CONDUCTING PROPELLANT FROM SAID ADDING MEANS TO SAID COMBUSTION CHAMBER, SAID TURBINE BEING LOCATED IN SAID CONDUIT MEANS, AN EJECTOR MEANS IN SAID CONDUIT MEANS UPSTREAM OF SAID TURBINE, A PURE FLUID CONTROL HAVING FIRST AND SECOND OUTPUT LEGS AND AN INLET CONNECTED TO SAID CONDUIT MEANS FOR CONDUCTING PROPELLANT AROUND SAID TURBINE THEREBY TO REGULATE THE AMOUNT OF PROPELLANT PASSING THROUGH SAID TURBINE, SAID FIRST OUTPUT LEG BEING CONNECTED TO SAID EJECTOR MEANS FOR ENTRY OF PROPELLANT FROM SAID CONTROL INTO SAID CONDUIT MEANS, SAID SECOND OUTPUT LEG BEING CONNECTED TO SAID COMBUSTION CHAMBER FOR DIRECTING PROPELLANT THERETO, AND SAID INLET BEING CONNECTED TO SAID CONDUIT MEANS BETWEEN SAID ADDING MEANS AND SAID EJECTOR MEANS FOR ENTRY OF PROPELLANT INTO SAID FLUID CONTROL.
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) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |