Patent ID: 6145805
Filing Date: 2000-11-14
Classification: F02M

Abstract:
A damped liquid valve assembly, comprising:a valve body having a stepped guide bore comprising a wide bore portion and a narrow bore portion; anda stepped valve member having a wide member section and a narrow member section, the wide member section being slidably disposed in the wide bore portion and defining a first diametrical clearance therebetween,the narrow member section and the wide bore portion defining a damping chamber therebetween that is wider than the first diametrical clearance,the stepped valve member being slidable between a first position at which the damping chamber is substantially fluidly open to a low pressure hydraulic fluid reservoir, and a second position at which a fractional portion of the narrow member section is slidably disposed within a portion of the narrow bore portion defining a second diametrical clearance therebetween that is less wide than the damping chamber and substantially restricts fluid communication between the damping chamber and the reservoir.