Oil passage control valve and valve timing varying device

An oil passage control valve, comprising:

• a sleeve, comprising an internal passage extending in a predetermined axis direction and through which hydraulic oil passes, an annular groove formed on an outer periphery, and an opening penetrating in a radial direction in a region of the annular groove and through which hydraulic oil passes;
• a valve body, slidably housed in the internal passage and opening and closing the opening;
• a filter member of a strip-like shape, annularly wrapped around and fixed to the annular groove;
• and
• a drive element, driving the valve body, wherein
• the sleeve comprises a protrusion protruding from a bottom surface and a side surface of the annular groove at a position offset from the opening within the region of the annular groove;
• and
• the filter member comprises a notch engaged with the protrusion in a side part in a width direction in a state fixed to the annular groove, a filtration part facing the opening, and a joint where both end regions overlap.