Patent ID: 6823891
Filing Date: 2004-11-30
Classification: F04B,F16K,Y10T

Abstract:
A pressure responsive valve assembly for a compression chamber defined by a cylinder housing, said valve assembly comprising:a valve plate defining a discharge chamber and a suction chamber; a pressure responsive discharge valve member disposed between said discharge chamber and said compression chamber; a pressure responsive suction valve member disposed between said suction chamber and said compression chamber; said pressure responsive suction valve member comprising: a central ring shaped body having an outer diameter defining a ring width; a fixed tab extending radially outward from said central ring shaped body, said fixed tab being secured to said valve plate; and a necked down region disposed between said fixed tab and said central ring shaped body, said necked down region having a width which is less than a corresponding width of said fixed tab and which is less than said ring width of said central ring shaped body.