Patent ID: 6325104
Filing Date: 2001-12-04
Classification: F15B,Y10T

Abstract:
A precedence valve block 63 which is of substantially rectangular parallelepiped shape and provided in one surface thereof with a pump pressure input port 63a, comprising a main relief valve 46 for limiting a pressure of said pump pressure input port, a precedence valve 38 for outputting a pressure oil introduced into said pump pressure input port into two ports 65c, 65b, and a pressure reducing valve 52 for reducing output pressure of one of said two ports, whereinsaid precedence block is provided in a surface adjacent said one surface with an output port of said pressure reducing valve,the other one of said two ports is formed in a surface opposed to said surface having said output port of said pressure reducing valve,said main relief valve and said precedence valve are disposed in a surface which is substantially parallel to said surface having said other port, andsaid precedence valve and said pressure reducing valve are disposed in a surface which is substantially perpendicular to said surface having said other port.