Patent ID: 6604547
Filing Date: 2003-08-12
Classification: F15B,F16P,Y10T

Abstract:
A control valve system comprising:a housing defining a first inlet, a second inlet, a first outlet, a second outlet, and an exhaust; a first passage extending between said first inlet and said first outlet; a second passage extending between said second inlet and said second outlet; a third passage extending between said first outlet and said exhaust; a fourth passage extending between said second outlet and said exhaust; a fifth passage extending between said first outlet and said fourth passage; a sixth passage extending between said second outlet and said third passage; a first plurality of valves disposed within said first passage and said third passage, each of said first plurality of valves being movable between a deactuated position where said first and third passages are closed, an actuated position where said first and third passages are open, and an intermediate position where said first and third passages are partially open; a second plurality of valves disposed within said second passage and said fourth passage, each of said second plurality of valves being movable between a deactuated position where said second and fourth passages are open, an actuated position where said second and fourth passages are closed, and an intermediate position where said second and fourth passages are partially open; and a plurality of reset members selectively engageable with said first plurality of valves and said second plurality of valves, respectively, said plurality of reset members operable to move said first plurality of valves and said second plurality of valves to said deactuated positions when a pressure is applied to said plurality of reset members.