Patent ID: 6481452
Filing Date: 2002-11-19
Classification: B60T,Y10T

Abstract:
A high pressure valve assembly comprising:a housing, a pump inlet port and a master cylinder inlet port disposed within said housing, a main orifice connected to said pump inlet port by a main valve and to said master cylinder inlet port, a high pressure orifice connected to said pump inlet port and to said master cylinder inlet port, a tube having an intermediate flared step and at least paritally defining a cavity, said cavity receiving therein: a movable primary plunger connected to a coil assembly, said coil assembly generating a magnetic force to move said primary plunger, a secondary plunger disposed between said primary plunger and said main orifice, a high pressure poppet comprisinga solid integral tapered nose projecting from said primary plunger and extending into said high pressure orifice is formed on said primary plunger and a low pressure poppet formed on said secondary plunger, said secondary poppet is partially contained within a plunger cage and biased toward said primary plunger for opening and closing said main orifice and said high pressure orifice; and a flange bearing against said flared step retaining said tube within said housing.