Fluid control valve unit and valve timing change device

A fluid control valve unit, comprising:

• a fluid control valve, comprising:
• a sleeve, having a bottomed cylindrical shape, having:
• an inlet;
• a communication port in communication with outside;
• a bottom end;
• and an opening end, and defining an axis;
• and a spool slidably disposed in the sleeve to open and close the communication port;
• a passage member, having a cylindrical shape and provided with:
• an inner circumferential surface, fit with the sleeve;
• a passage of a fluid, leading to the communication port;
• an annular receiving part, facing the bottom end in a direction of the axis;
• and an opening part formed in adjacency with the annular receiving part and allowing the fluid to flow in;
• a filter, disposed between the bottom end and the annular receiving part;
• and
• a stopper, receiving the opening end of the sleeve accommodated in the passage member,
• wherein the filter is integrally formed by a metal plate spring member to include an annular plate part, a filter part surrounded by the annular plate part, and a plate spring piece extending from the annular plate part and applying a biasing force in the direction of the axis.