CAP FOR A PISTON PUMP AND A PUMP UNIT FOR AN ELECTRONIC CONTROL BRAKE SYSTEM ACCOMMODATING THE SAME CAPABLE OF REDUCING MANUFACTURING COSTS THROUGH A PRESS MANUFACTURING METHOD

摘要

PURPOSE: A cap for a piston pump and a pump unit for an electronic control brake system accommodating the same are provided to secure ease for assembling by forming a flow passage for oil and be fit with a valve seat.;CONSTITUTION: A cap for a piston pump comprises a first cover(210), a second cover(220), and a flow passage(223). The first cover comprises a first storing part(211) accommodating the valve spring(132) of an outlet valve(140). The second cover accommodates a second storing part(222) expanded from the first cover. The flow passage is formed in the second cover. The cap for a piston pump is installed in a valve seat(150) in which an orifice is formed(151) and supports an outlet valve opening/closing an orifice. The cap for a piston pump seals the opening end of a modulator block(110).;COPYRIGHT KIPO 2013