| 摘要 |
A non-contact positive displacement fuel pump for an LPG vehicle according to an embodiment of the present invention, includes a pump body mounted with an inlet and an outlet at one side thereof, a piston axially mounted to the pump body to generate pressure to the pump body, a linear motor connected to a piston rod to move the piston in a reciprocating motion, bearings disposed at both sides of the linear motor to fix the piston reciprocating in the pump body at a predetermined position by securely supporting the piston rod in radial directions, and a diaphragm disposed between the bearings and the piston so as to seal lubricant supplied in the fuel pump and supply flexibility to the piston rod which is reciprocating, in an axial direction. |
