Patent ID: 6830060
Filing Date: 2004-12-14
Classification: G05D,H01M,Y02E,Y10T

Abstract:
An air mass flow controller valve for fuel cells, the flow controller valve comprising:an inlet disposed along a first axis; at least two channels in communication with the inlet, the at least two channels disposed along a second axis; at least one air mass sensor disposed proximate each of the at least two channels; a seat portion disposed in each of the at least two channels; at least two closure members, one of the at least two closure members disposed proximate one channel of the at least two channels, the other of the at least two closure members disposed proximate the other channel of the at least two channels, each closure member including a stem extending from a seating member and being movable to a plurality of positions, a first position permitting air flow in a respective channel, and a second position preventing air flow in a respective channel; and at least two actuators, each actuator including an armature and an electromagnetic coil, the respective stem of each closure member extending into a respective electromagnetic coil and being coupled to a respective armature, each of the at least two actuators responsive to a respective air mass sensor to move a respective closure member between the first position and the second position.