US4051762A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid propellant weapon system
Assignee: General Electric Co
•
Filing: 1976-09-30
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Granted: 1977-10-04
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Expires: 1996-09-30
Abstract
Abstract A gun and ammunition system is provided which utilizes the difference in density between the combustion gases and the charge of liquid propellant as the source of energy for the injection of propellant into the combustion chamber.
Inventors
- 👤 Eugene Ashley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:04
CPC Classifications
F; F42; F42B; F42B5/00; F42B5/02; F42B5/16; F41; F41A; F41A1/00; F41A1/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
91 words
A method of propelling a projectile from a bore of a gun comprising: providing a series in said bore of said gun a projectile, a charge of liquid propellant aft of said projectile, and a cavity generator aft of said projectile and said charge; providing a volume of combustion gas in said bore of said gun aft of said cavity generator to create a combustion cavity; and translating said generator forwardly into said charge of liquid propellant to enlarge said combustion cavity and to pass liquid propellant aftwardly into said cavity.
Claim 2
Independent Claim
91 words
A method of propelling a projectile from a bore of a gun comprising: providing a series in said bore of said gun a projectile, a charge of liquid propellant aft of said projectile, and a cavity generator aft of said projectile and said charge; providing a volume of combustion gas in said bore of said gun aft of said cavity generator to create a combustion cavity; and translating said generator forwardly into said charge of liquid propellant to enlarge said combustion cavity and to pass liquid propellant aftwardly into said cavity.
Claim 3
Dependent Claim
21 words
A method according to claim 1 further including: finely dividing the liquid propellant as it is passed into the combustion cavity.
Claim 4
Dependent Claim
36 words
A method according to claim 1 further including: passing the liquid propellant into said combustion cavity at a rate which is a function of the penetration velocity of the generator into the charge of liquid propellant.
Claim 5
Dependent Claim
35 words
A method according to claim 1 wherein: said cavity generator has a forward face and an aft face, the cross-sectional area of said forward face being equal to the cross-sectional area of said aft face.
Claim 6
Dependent Claim
25 words
A method according to claim 1 wherein: the average density of said cavity generator is less than average density of said charge of liquid propellant.
References Cited (Backward Citations)
US692819A
Cited
DE721289C
Cited
US3011404A
Cited
US2960031A
Cited
US3065695A
Cited
US3175494A
Cited
US3326084A
Cited
US3690255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-10-03 | 1981-04-04 | 1981-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-10-03 | 1985-04-04 | 1985-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-10-03 | 1989-04-04 | 1989-10-04 | $7700.00 | Window Closed / Lapsed |