Accession Number : ADD015646

Title :   Underwater Rapid-Fire Ram Pump.

Descriptive Note : Patent, Filed 11 Mar 91, patented 24 Nov 92,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Moody, Paul E

Report Date : 24 Nov 1992

Pagination or Media Count : 7

Abstract : An apparatus is provided that is capable of a rapid firing sequence for an underwater dual barrel launcher. An air cylinder assembly drives a water piston housed in a water cylinder in either of two opposing piston stroke directions. The water cylinder is continually supplied and balanced with sea pressure. A piston stroke in a first direction pressurizes impulse water in the water cylinder that is then supplied to a first launch tube of the dual barrel launcher. A piston stroke in an opposing second direction again pressurizes impulse water in the water cylinder that is then supplied to a second launch tube. Thus, each opposing piston stroke is a power stroke.

Descriptors :   *LAUNCHERS, *PATENTS, *PUMPS, ASSEMBLY, BARRELS, DRIVES, LAUNCH TUBES, OCEANS, PISTONS, PRESSURE, SEQUENCES, UNDERWATER

Subject Categories : Pumps, Filters, Pipes, Tubing, Fittings & Vlvs

Distribution Statement : APPROVED FOR PUBLIC RELEASE