Nok Corporation

Other

Takuya Kudo

Koji Watanabe

Norio Uemura

Masahiro Kawaguchi

Hideki Higashidozono

Ichiro Hirata

Kouji Watanabe

Shuji Fukunaga

Provided is a solenoid which is easier to assemble and which is improved in terms of operability. The solenoid is provided with a snap ringwhich helps to integrate the molded coiland the solenoid main bodyinto one, whereby it is possible to finally integrate the molded coiland the solenoid main bodywith each other after various operation processes; by finally attaching the molded coil, the lead wireextending from the molded coilconstitutes no obstacle, and the assembly is facilitated, thus achieving an improvement in terms of operability.

Solenoid

A solenoid improvement has been achieved in terms of abrasion resistance. A fluid accumulating chamber Q is formed substantially coaxially with a plunger chamber P and on the opposite side of a center postthrough the intermediation of the plunger chamber P. On the outer peripheral side of the rod, there is provided a first bearingfor separating the plunger chamber P and the fluid accumulating chamber Q from each other.

Solenoid having fluid accumulating and plunger chambers

A control valve is provided to be mainly used in a clutch-less compressor of the type in which displacement of the compressor is varied depending on the inclination of a drive plate which varies depending on the crank pressure. The control valve includes biasing means that applies force to a valve body, a force transferring member that urges the valve body to forcibly open the valve, and a solenoid assembly to actuate the force transferring member. The valve remains closed when no electric current is supplied to the solenoid assembly, regardless of the crank pressure or the suction pressure. This facilitates minimum displacement operation of the compressor for a desired period of time and therefore makes the valve suitable for a clutch-less type compressor that is directly connected to an engine with a belt and/or a pulley.

Variable displacement compressors and control valves for variable displacement compressors

Growing community of inventors

Fujisawa, Japan

Takuya Kudo