Pressure control valve for variable displacement swash plate typ

Details Pressure control valve for variable displacement swash plate typ Pressure control valve for variable displacement swash plate typ

1988-12-19

1989-10-24

Freeh, William L.

Pumps

Condition responsive control of drive transmission or pump...

Adjustable cam or linkage

25112917, 25112918, 417270, F04B 126, F16K 3102

Patent

active

048758329

ABSTRACT:
A pressure control valve for a variable displacement swash plate type compressor includes a valve element movable under a combined force of the force of a pressure responsive member and the force of a solenoid. The valve element is engageable with a valve seat which is positionally adjustably mounted on a valve case of the pressure control valve and movable in the direction of movement of the valve element. The solenoid includes an armature to which an adjustment screw is threadedly connected. The extent of the adjustment screw which projects from the armature is adjustable so that the position of the valve element is adjustable relative to the valve seat. With this arrangement, it is possible to adjust the pressure controlling characteristics exactly.

REFERENCES:
patent: 4530486 (1985-07-01), Rusnak
patent: 4688997 (1987-08-01), Suzukio et al.
patent: 4730986 (1988-03-01), Kayukawa et al.
patent: 4747754 (1988-05-01), Fujii et al.
patent: 4780059 (1988-10-01), Taguchi

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