Patent ID: 6250977
Filing Date: 2001-06-26
Classification: B63H

Abstract:
A compressed-gas-powered immersible prime mover device useable with an external source of compressed gas, the device comprising:a housing defining a chamber accumulating compressed gas from the external source of compressed gas, the chamber having an orifice;a piston sliding within the chamber so as to divide the chamber into two variable portions;an open-ended tubular member, affixed to the sliding piston for sliding therewith to a variable extension through the housing's chamber's orifice, having at least one circumferential hole between an interior and an exterior of the tube at a location along the member where the at least one hole is within, or without, the chamber depending upon the position of the sliding piston; anda pressure relief means for venting accumulated compressed gas from a first portion of the chamber so as to move the sliding piston within the chamber under force of a differential gas pressure across it, therein also moving the tubular member affixed to the sliding piston so that the at least one hole of the tubular member is pulled from the exterior to the interior of a second portion of the chamber, whereupon accumulated compressed gas stored within the second portion of the chamber does egress the- chamber through the at least one hole and through the tube of the member in which tube water has accumulated, thus strongly directionally ejecting this accumulation as a slug of water;wherein the ejected slug of water provides motive force.