US3266241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant injector
Assignee: RTX Corp
•
Filing: 1963-07-29
•
Granted: 1966-08-16
•
Expires: 1983-07-29
Abstract
No abstract record available.
Inventors
- 👤 John L Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:01
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A LIQUID PROPELLENT INJECTION SYSTEM OF INJECTING A PROPELLANT INTO A COMBINATION CHAMBER COMPRISING A SOURCE OF LIQUID PROPELLANT, A PROPELLANT INJECTOR HAVING A PLURALITY OF FLUID PASSAGES THERETHROUGH AND AT LEAST ONE INJECTION ORIFICE IN FLUID COMMUNICATION WITH EACH OF SAID PASSAGES, FLUID CONDUCTING MEANS CONNECTING SAID SOURCE OF LIQUID PROPELLANT TO SAID PROPELLANT INJECTOR AND MEANS FOR INJECTING A GASEOUS DENSITY CONTROL MEDIUM INTO SAID LIQUID PROPELLANT DOWNSTREAM FROM SAID SOURCE OF LIQUID PROPELLANT AND UPSTREAM OF SAID PROPELLANT INJECTOR WHEREBY A GAS-LIQUID OF LOWER DENSITY THAN SAID LIQUID PROPELLANT IS FORMED FOR INJECTION INTO SAID COMBINATION CHAMBER, THE IMPROVEMENT COMPRISING MEANS, LOCATED IN SAID FLUID PASSAGES AT A PLURALITY OF PREDETERMINED POINTS DOWNSTREAM FROM SAID MEANS FOR INJECTING A GASEOUS DENSITY CONTROL MEDIUM, FOR BREAKING UP COALESCED GAS PHASE WHEREBY THE GAS LIQUID MEDIUM FLOWING THROUGH SAID INJECTION ORIFICE IS SUBSTANTIALLY UNIFORM.
Claim 2
Dependent Claim
146 words
IN A LIQUID PROPELLENT INJECTION SYSTEM OF INJECTING A PROPELLANT INTO A COMBINATION CHAMBER COMPRISING A SOURCE OF LIQUID PROPELLANT, A PROPELLANT INJECTOR HAVING A PLURALITY OF FLUID PASSAGES THERETHROUGH AND AT LEAST ONE INJECTION ORIFICE IN FLUID COMMUNICATION WITH EACH OF SAID PASSAGES, FLUID CONDUCTING MEANS CONNECTING SAID SOURCE OF LIQUID PROPELLANT TO SAID PROPELLANT INJECTOR AND MEANS FOR INJECTING A GASEOUS DENSITY CONTROL MEDIUM INTO SAID LIQUID PROPELLANT DOWNSTREAM FROM SAID SOURCE OF LIQUID PROPELLANT AND UPSTREAM OF SAID PROPELLANT INJECTOR WHEREBY A GAS-LIQUID OF LOWER DENSITY THAN SAID LIQUID PROPELLANT IS FORMED FOR INJECTION INTO SAID COMBINATION CHAMBER, THE IMPROVEMENT COMPRISING MEANS, LOCATED IN SAID FLUID PASSAGES AT A PLURALITY OF PREDETERMINED POINTS DOWNSTREAM FROM SAID MEANS FOR INJECTING A GASEOUS DENSITY CONTROL MEDIUM, FOR BREAKING UP COALESCED GAS PHASE WHEREBY THE GAS LIQUID MEDIUM FLOWING THROUGH SAID INJECTION ORIFICE IS SUBSTANTIALLY UNIFORM.
References Cited (Backward Citations)
US2119906A
Cited
US2405785A
Cited
US2487435A
Cited
US3010613A
Cited
US3085394A
Cited
US3166900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |