Patent ID: 6979063

Claim:
A brake liquid pressure control unit for an on-vehicle device, comprising: a base block in a substantially rectangular parallelopiped comprising four base surfaces; at least one reservoir disposed on the base block to temporarily reserve a working liquid in a liquid pressure circuit; a motor to operate a pump to supply the working liquid; an electronic printed circuit board block to control at least an electromagnetic valve, the motor and electronic printed circuit board block being attached onto mutually opposing first and second base surfaces of the four base surfaces of the base block, respectively; a cylindrically shaped hole formed on one of the four base surfaces of the base block except the first and second base surfaces; and a lid member constituting the reservoir together with the cylindrically shaped hole, the lid member comprising a substantially cylindrical wall projected externally from the one of the four base surfaces of the base block on which the cylindrically shaped hole is formed and being only partially staked to the one of the four base surfaces of the base block on which the cylindrically shaped hole is formed.