Slide valve used as pressure regulating valve for automatic transmission of motor car, has slider including control edges which are engaged with control openings which are extended in circumferential direction of guide surface

摘要

The slide valve (10) has slider (20) that is arranged in housing (12). The hydraulic connectors (46,48) are provided at the housing and equipped with control openings (40a,40b,44a,44b) which are hydraulically connected to cylindrical guide surface (18) of slider. The control opening is extended in circumferential direction of guide surface and is engaged with control edges (24,26) of slider. An injection portion is arranged on the end face of slider when slider is made by injection molding. The slider and housing are made of glass-fiber reinforced plastic. An independent claim is included for manufacturing method of slide valve.