Ordnance – Lubricant injector
Patent
1997-10-09
1998-11-24
Jordan, Charles T.
Ordnance
Lubricant injector
B64D 104
Patent
active
058410570
ABSTRACT:
A method and apparatus for injecting a liquid through a liquid passage cocting a liquid chamber to an outlet in the vicinity of the entrance of a gun bore. The liquid is forced through the passage by a piston movable in the liquid chamber in response to the pressure of a gas generated in a propellant chamber by combustion of a propellant for propelling a projectile down the bore. Two pistons and two liquid chambers may be arranged opposite to each other in a common plane with the propellant chamber and the outlets of the liquid passages may be located substantially opposite to each other in a wall of the bore. Each liquid passage may be arranged to inject the liquid in a tangential direction relative to the longitudinal axis of the bore so that centrifugal forces spread the liquid as a film around the circumference of the bore. Valves may be provided to close the respective liquid passages in the absence of pressure in the liquid chambers.
REFERENCES:
patent: 797237 (1905-08-01), Smith
patent: 1073298 (1913-09-01), Smith
patent: 1350645 (1920-08-01), Eickhoff
patent: 1423757 (1922-07-01), Dawson et al.
patent: 4203364 (1980-05-01), Dobbs
patent: 4858534 (1989-08-01), Wallace
patent: 5034072 (1991-07-01), Becuwe
Clohan Paul S.
Eshelman William E.
Jordan Charles T.
The United States of America as represented by the Secretary of
Wesson Theresa M.
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