Patent ID: 6581632
Filing Date: 2003-06-24
Classification: F04B,F16K,Y10T

Abstract:
An automatic valve for use with a gas compressor comprising:a seating member which defines an opening therethrough through which gas can flow, a catcher plate positioned adjacent said seating member which defines a receiving bore therein which is aligned with said opening in said seating member, a cup-shaped suspension member positioned in said receiving bore of said catcher plate such that said suspension member is open towards said opening in the seating member, a sealing member which has an enlarged head and a generally hollow cylindrical base, the cylindrical base of said sealing member being located in said suspension member and the enlarged head thereof being located between said suspension member and said opening in the seating member, said cylindrical base of said sealing member contacting a sidewall and being guided within the suspension member to be movable towards and away from said seating member so that the enlarged head of the sealing member can block or unblock said opening in the seating member, said enlarged head being guided exclusively by said cylindrical base, and a spring member located within the cylindrical base of said sealing member and contacting a base of said suspension member to bias the sealing member towards said seating member so that the enlarged head thereof will block said opening in the seating member.