Recoil mechanism

Details Recoil mechanism Recoil mechanism

1984-12-24

1987-02-03

Bentley, Stephen C.

Ordnance

Mounts

With recoil check

F41F 1902, F41F 1914

Patent

active

H00002178

ABSTRACT:
A hydraulic recoil mechanism, which may be used as a shock absorbing device ontrols both the recoil and counter-recoil motion of a cannon. Main recoil energy is dissipated via a movable cylindrical piston rod which pumps hydraulic fluid through a series of orifices into a primary chamber and is subsequently metered through an orifice effected by the traveling piston head and a fixed variable geometry control rod. A buffer spear arrangement integrated at the opposing end of the control rod dissipates final counter-recoil energy via a metering cavity contained in the returning piston. The piston rod assembly carries a ring-like floating piston which, upon recoil, closes a by-pass orifice and, upon counter-recoil, opens the by-pass orifice. A temperature compensator mechanism is also integrated into the system to accommodate thermal expansion of the fluid during sustained operation.

REFERENCES:
patent: 1164371 (1915-12-01), Lovejoy
patent: 1575845 (1926-03-01), Joyce
patent: 1825233 (1931-09-01), Joyce
patent: 2966829 (1961-01-01), Tannenbaum
patent: 3034605 (1962-05-01), Pernini
patent: 3888436 (1975-06-01), Sealey

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