US3232049A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid injection apparatus
Assignee: Motors Liquidation Co
•
Filing: 1962-05-04
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Granted: 1966-02-01
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 John W Rhodes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/56; F02K9/58; F02K9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A FLUID INJECTION APPARATUS FOR THE INJECTION OF A PROPELLANT INTO A PRESSURIZED COMBUSTION CHAMBER IN A CONTROLLED MANNER, THE PRESSURE IN SAID COMBUSTION CHAMBER VARYING AS A DIRECT FUNCTION OF THE FLOW RATE OF THE PROPELLANT INJECTED, COMPRISING: A SUPPLY SOURCE OF PROPELLANT UNDER SUBSTANTIALLY CONSTANT PRESSURE; A MOVABLE VARIABLE AREA INJECTOR FOR CONTROLLING THE FLOW OF PROPELLANT FROM SAID SUPPLY SOURCE INTO SAID COMBUSTION CHAMBER; AND A THROTTLING VALVE COUPLED TO AND MOVABLE WITH SAID INJECTOR, SAID THROTTLING VALVE BEING IN SERIES WITH SAID INJECTOR AND BEING CONTOURED SO AS TO VARY THE PRESSURE DROP THROUGH THE THROTTLING VALVE INVERSELY BY AN
Claim 2
Dependent Claim
104 words
A FLUID INJECTION APPARATUS FOR THE INJECTION OF A PROPELLANT INTO A PRESSURIZED COMBUSTION CHAMBER IN A CONTROLLED MANNER, THE PRESSURE IN SAID COMBUSTION CHAMBER VARYING AS A DIRECT FUNCTION OF THE FLOW RATE OF THE PROPELLANT INJECTED, COMPRISING: A SUPPLY SOURCE OF PROPELLANT UNDER SUBSTANTIALLY CONSTANT PRESSURE; A MOVABLE VARIABLE AREA INJECTOR FOR CONTROLLING THE FLOW OF PROPELLANT FROM SAID SUPPLY SOURCE INTO SAID COMBUSTION CHAMBER; AND A THROTTLING VALVE COUPLED TO AND MOVABLE WITH SAID INJECTOR, SAID THROTTLING VALVE BEING IN SERIES WITH SAID INJECTOR AND BEING CONTOURED SO AS TO VARY THE PRESSURE DROP THROUGH THE THROTTLING VALVE INVERSELY BY AN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |