Vehicle leveling valve device with dampening arrangement

Details Vehicle leveling valve device with dampening arrangement Vehicle leveling valve device with dampening arrangement

F - Mech Eng,Light,Heat,Weapons

16

F

267/9

F16F 5/00 (2006.01) B60G 17/052 (2006.01)

Patent

CA 1059164

VEHICLE LEVELING VALVE DEVICE WITH DAMPENING ARRANGEMENT ABSTRACT OF THE DISCLOSURE A vehicle leveling valve device for adjusting air spring pressure according to vehicle load and including a hydraulic dampening arrangement wherein one or the other of an air pres- sure supply or an exhaust valve connected to the air springs is actuated, according to the change in vehicle load, by one of a pair of respective leaf springs when deflected by a cam, in turn, operable responsively to variation in vehicle load and height. Deflection of each leaf spring is resisted by respective hydraulic pistons which are arranged to yield to a normal rate of vehicle load change and therefore permit operation of either the supply or exhaust, but resist any momentary change of vehicle height, such as caused by a jounce, and therefore restrain deflection of the leaf springs and pre- clude any untimely operation of the valve device.

276368

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