Patent ID: 8251037
Filing Date: 2012-08-28
Classification: B24B,F01L,Y02T,Y10T

Abstract:
1. A fluid flow valve for controlling the flow of a fluid in a cylinder head of a piston-cylinder apparatus comprising: a first valve end and a second shaft end disposed axially therefrom and connected by a valve shaft; a first valve member located at the first valve end and having a valve seating surface disposed on an upper face thereof; a second valve member located axially from, and in fixed relationship to, the first valve member along the valve shaft and having a valve seating surface disposed on an upper face thereof; a valve support extending axially between and connecting the first valve member and the second valve member, the valve support including an axially extending wall portion having circumferentially spaced support struts extending radially between the valve shaft and the wall portion; and fluid flow passages extending axially through the wall portion between the circumferentially spaced support struts, wherein fluid flows simultaneously about the exterior of the wall portion and through the fluid flow passages in the wall portion when the valve members are biased to an open position.