A power steering pump comprises, as main elements, a cam plate, a discharge cover
plate and a suction cover plate that cooperate to define a cam chamber, a fluid
discharge passage and fluid suction passage for the pump. The cam chamber is formed
in the cam plate. The discharge cover plate includes a face that abuts a first
face of the cam plate and includes a recess that cooperates with first cam plate
face to define a fluid discharge passage. A suction cover plate includes a suction
cover face that abuts a second face of the cam plate and comprises a recess that
cooperates with the second cam plate face to define a suction passage. The power
steering pump further comprises a rotor within the cam chamber and comprising slideable vanes.
