FUEL PUMP FOR LPI VEHICLE

摘要

PURPOSE: A return valve for an LPI system for a gas vehicle is provided to reduce noise since if fuel is returned from engine to a bomb, chattering is reduced even when gas fuel passes. CONSTITUTION: A return valve for an LPI system for a gas vehicle comprises a body, a groove(6), a coupling member(2), a disc(4) and a partition member(8). The body comprises an inlet(B1) and an outlet(B2). The groove is formed on the body in order to be communicated with the inlet and the outlet. The coupling member is couple to the inner upper part of the groove. The coupling member comprises a plate(22), which comprises a through hole(24) and a pore(25). The disc makes tight contact with the plate of the coupling member and closes the pore. A support member(7) for supporting the lower center of the disc is formed on the upper center of the partition member. A plurality of water holes are formed so that fuel passes through the outside of the support member.