US3640072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket engine
Assignee: Individual
•
Filing: 1969-08-01
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Granted: 1972-02-08
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Expires: 1989-08-01
Abstract
Abstract A rocket engine has an internal combustion chamber provided with a front wall. An outlet nozzle is provided in the front wall. At least two injection conduits communicate with the chamber rearwardly of the front wall in such a manner as to inject into the chamber respective streams of reactive propellants in direction tangentially of the chamber walls thus providing a short heat conduction path from the nozzle throat to the injected but yet unburned propellants rotating at high speed along the chamber walls.
Inventors
- 👤 Lutz Tilo Kayser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:06
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62; F02K9/64
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
192 words
A fuel-combusting device, comprising wall means surrounding and defining an internal combustion chamber having a front wall portion an inner surface of which faces the interior of said internal combustion chamber; outlet nozzle means provided in said front wall portion communicating with said chamber at said inner surface and having a longitudinal axis; and injecting means communicating with said chamber only adjacent said inner surface and being operative for injecting into said chamber at least two streams of reactive propellants in direction tangentially of said chamber only inwardly proximal to said inner surface of said front wall portion and only in one plane transverse of said longitudinal axis, said outlet nozzle means comprising an outlet passage diverging at least in part in direction away from said chamber, and having a predetermined smallest cross-sectional area, the cross-sectional area of said front wall portion being a multiple of said predetermined cross-sectional area, said chamber conically diverging in direction away from said front wall portion, whereby the injected propellants initially sweep over and cool said wall means rearwardly of said front wall portion, simultaneously undergoing intimate admixture, prior to advancing towards said outlet nozzle means.
Claim 2
Dependent Claim
192 words
A fuel-combusting device, comprising wall means surrounding and defining an internal combustion chamber having a front wall portion an inner surface of which faces the interior of said internal combustion chamber; outlet nozzle means provided in said front wall portion communicating with said chamber at said inner surface and having a longitudinal axis; and injecting means communicating with said chamber only adjacent said inner surface and being operative for injecting into said chamber at least two streams of reactive propellants in direction tangentially of said chamber only inwardly proximal to said inner surface of said front wall portion and only in one plane transverse of said longitudinal axis, said outlet nozzle means comprising an outlet passage diverging at least in part in direction away from said chamber, and having a predetermined smallest cross-sectional area, the cross-sectional area of said front wall portion being a multiple of said predetermined cross-sectional area, said chamber conically diverging in direction away from said front wall portion, whereby the injected propellants initially sweep over and cool said wall means rearwardly of said front wall portion, simultaneously undergoing intimate admixture, prior to advancing towards said outlet nozzle means.
Claim 3
Dependent Claim
19 words
A fuel-combusting device as defined in claim 1, wherein said plane is normal to the elongation of said chamber
Claim 4
Dependent Claim
24 words
A fuel-combusting device as defined in claim 1, wherein said injecting means is operative to inject two streams each composed of a different propellant.
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |