Patent ID: 6409807
Filing Date: 2002-06-25
Classification: B01D,F16K

Abstract:
A control system for controlling a gas generating system including at least two molecular sieve beds, comprising:a linear valve having a housing including an inlet connected to the gas generating system and a first port connected to a first of the at least two molecular sieve beds, a second port for exhaust, and a third port connected to a second of the at least two molecular sieve beds, with said inlet, said first, second and third ports all in communication with a slide chamber having a slide block positioned in said slide chamber; a push-pull device is mounted to said housing for moving said slide block in a first direction and in a second direction; a sensor positioned at opposite ends of said slide chamber for sensing the position of said slide block in said slide chamber; and a controller for receiving information from said sensor and for controlling said push-pull device.