Patent ID: 8689814
Filing Date: 2014-04-08
Classification: G05D,Y10T

Abstract:
1. A device for engaging at least a first and a second high pressure gas source and for supplying low pressure gas to a low pressure outlet comprising: a first high pressure compressed gas source; a second high pressure compressed gas source; a body having outer walls and inner walls, the inner walls defining an inner volume and a regulated outlet; a first valve and piston assembly, including a base having outer walls and inner walls, a piston having a piston head and a valved opening in the piston head, the piston head for engaging the inner walls of the body in fluid sealing relation, the first valved opening for engaging the first high pressure source; a second valve and piston assembly, including a base having outer walls and inner walls, a piston having a piston head, and a valved opening in the piston head, the piston head for engaging the inner walls of the body in fluid sealing relation, the second valve and piston assembly for engaging the second high pressure gas source; a first spring means; a second spring means; a selectively settable moveable member located in the regulated chamber capable of engagement with the first valve and piston assembly and the second valve and piston assembly, the selectively settable moveable member for selectively setting at a first position closer to the base of the first valve and piston assembly or a second position closer to the base of the second valve and piston assembly;