Hydraulic motor for use with airless paint sprayer system

Details Hydraulic motor for use with airless paint sprayer system Hydraulic motor for use with airless paint sprayer system

1998-01-12

1999-11-16

Kwon, John

Pumps

Motor driven

Fluid motor

417554, F04B 4708

Patent

active

059846461

ABSTRACT:
A reciprocating hydraulic motor and pump assembly includes a cylinder and a piston disposed for reciprocation in the cylinder. The piston includes a stem having a bore extending longitudinally in the stem and a piston head connected to one end of the stem. The piston head includes a cavity communicating with the bore. A spool is slidably mounted in the stem bore and the piston head cavity. A magnetic latching assembly is disposed in the piston head cavity. A displacement rod is fastened to the piston rod. The hydraulic motor and pump assembly is used in an airless paint sprayer system.

REFERENCES:
patent: 2787961 (1957-04-01), Chenault
patent: 3945768 (1976-03-01), Georgi
patent: 3945774 (1976-03-01), Doan
patent: 4684062 (1987-08-01), Bagwell
patent: 4756235 (1988-07-01), Cartner
patent: 4785997 (1988-11-01), Liska et al.
patent: 4792291 (1988-12-01), Kvinge et al.
patent: 5031509 (1991-07-01), Cowan
patent: 5165875 (1992-11-01), Lebret
patent: 5249645 (1993-10-01), Wiklund
patent: 5382142 (1995-01-01), Spears

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