US3286473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed injector and turbopump assembly
Assignee: North American Aviation Corp
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Filing: 1963-06-26
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Granted: 1966-11-22
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Expires: 1983-06-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas E Cowell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:33
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/46; F02K9/48; F02K9/52
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
AN INTEGRATED TURBINE AND PUMP ASSEMBLY FOR A ROCKET ENGINE HAVING A MAIN COMBUSTION CHAMBER AND A THRUST CHAMBER COMPRISING; A FIRST ROTATABLE PUMP, A SECOND ROTATABLE PUMP INTEGRAL WITH AND CONCENTRICALLY ARRANGED TO SAID FIRST PUMP, A PLURALITY OF TURBINE BLADES AFFIXED TO AND ADAPTED TO DRIVE SAID PUMPS, FIXED-INJECTOR MEANS FOR EACH OF SAID PUMPS, A PRE-COMBUSTION CHAMBER ADJACENT ONE OF SAID INJECTOR MEANS AND ADAPTED TO RECEIVE FLUID THEREFROM, MEANS TO CONVEY FLUID TO SAID PRECOMBUSTION CHAMBER FROM THE OTHER OF SAID INJECTOR MEANS WILL MIX TO FORM FROM EACH OF SAID INJECTOR MEANS WILL MIX TO FORM COMBUSTION GASES, SAID TURBINE BLADES BEING ADAPTED TO BE DRIVEN BY SAID COMBUSTION GASES IN SAID PRECOMBUSTION CHAMBER SO AS TO ROTATE SAID PUMPS.
Claim 2
Dependent Claim
125 words
AN INTEGRATED TURBINE AND PUMP ASSEMBLY FOR A ROCKET ENGINE HAVING A MAIN COMBUSTION CHAMBER AND A THRUST CHAMBER COMPRISING; A FIRST ROTATABLE PUMP, A SECOND ROTATABLE PUMP INTEGRAL WITH AND CONCENTRICALLY ARRANGED TO SAID FIRST PUMP, A PLURALITY OF TURBINE BLADES AFFIXED TO AND ADAPTED TO DRIVE SAID PUMPS, FIXED-INJECTOR MEANS FOR EACH OF SAID PUMPS, A PRE-COMBUSTION CHAMBER ADJACENT ONE OF SAID INJECTOR MEANS AND ADAPTED TO RECEIVE FLUID THEREFROM, MEANS TO CONVEY FLUID TO SAID PRECOMBUSTION CHAMBER FROM THE OTHER OF SAID INJECTOR MEANS WILL MIX TO FORM FROM EACH OF SAID INJECTOR MEANS WILL MIX TO FORM COMBUSTION GASES, SAID TURBINE BLADES BEING ADAPTED TO BE DRIVEN BY SAID COMBUSTION GASES IN SAID PRECOMBUSTION CHAMBER SO AS TO ROTATE SAID PUMPS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |