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US3143401A
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Supersonic fuel injector
Assignee: General Electric Co
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Filing: 1961-08-17
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Granted: 1964-08-04
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Expires: 1981-08-17
Abstract
No abstract record available.
Inventors
- 👤 Lambrecht Jurgen Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:03
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/28; Y; Y10; Y10S; Y10S261/00; Y10S261/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A SUPERSONIC FUEL INJECTOR FOR USE IN A SUPERSONIC AIRSTREAM COMPRISING, AN UPSTREAM DIRECTED HOLLOW SPIKE, A TUBE SURROUNDING SAID SPIKE IN CONCENTRIC SPACED RELATION AND SAID TUBE CONVERGING FROM ITS FORWARD END TO FORM A THROAT AND THEN DIVERGING TO ITS DOWNSTREAM END, SAID SPIKE AND TUBE FORMING AN EXTERNAL COMPRESSION SUPERSONIC ANNULAR INLET WITH NO NORMAL SHOCK WITHIN SAID TUBE, A FUEL SUPPLY LINE CONNECTED TO THE INTERIOR OF SAID SPIKE TO SUPPLY FUEL UNDER PRESSURE, SAID SPIKE CONVERGING IN THE CONVERGING PORTION OF THE TUBE AND TERMINATING IN A DOWNSTREAM DIRECTED OPENING SUBSTANTIALLY AT THE TUBE THROAT, MEANS INCLUDING SAID OPENING SUPPLYING FUEL TO THE DIVERGING PORTION OF SAID TUBE.
Claim 2
Dependent Claim
113 words
A SUPERSONIC FUEL INJECTOR FOR USE IN A SUPERSONIC AIRSTREAM COMPRISING, AN UPSTREAM DIRECTED HOLLOW SPIKE, A TUBE SURROUNDING SAID SPIKE IN CONCENTRIC SPACED RELATION AND SAID TUBE CONVERGING FROM ITS FORWARD END TO FORM A THROAT AND THEN DIVERGING TO ITS DOWNSTREAM END, SAID SPIKE AND TUBE FORMING AN EXTERNAL COMPRESSION SUPERSONIC ANNULAR INLET WITH NO NORMAL SHOCK WITHIN SAID TUBE, A FUEL SUPPLY LINE CONNECTED TO THE INTERIOR OF SAID SPIKE TO SUPPLY FUEL UNDER PRESSURE, SAID SPIKE CONVERGING IN THE CONVERGING PORTION OF THE TUBE AND TERMINATING IN A DOWNSTREAM DIRECTED OPENING SUBSTANTIALLY AT THE TUBE THROAT, MEANS INCLUDING SAID OPENING SUPPLYING FUEL TO THE DIVERGING PORTION OF SAID TUBE.
References Cited (Backward Citations)
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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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |