Patent ID: 6481418
Filing Date: 2002-11-19
Classification: F02M,Y10T

Abstract:
A fuel pressure regulator for supplying fuel at a substantially constant pressure, comprising:a housing having a fuel inlet and a fuel outlet, and defining a seating surface; and a valve body movably disposed within said housing and movable between an open position permitting fuel flow through said housing, and a closed position preventing fuel flow through said housing, said valve body including a guide member, at least a portion of which is disposed in a selected one of said fuel inlet and said fuel outlet to guide said valve body, said valve body having a body portion made of a rigid material and a seal that is made of a material that is soft relative to said body portion, said valve body normally biased into said closed position and configured to shift to said open position when pressurized fuel is present in said inlet; and wherein: said body portion is molded of a polymer material, and said seal is made of an elastomeric material and integrally molded to said body portion without adhesive.