Fluid handling – Systems – Multi-way valve unit
Patent
1996-08-06
1998-12-15
Walton, George L.
Fluid handling
Systems
Multi-way valve unit
25112916, F15B 13044, F16K 3102
Patent
active
058486135
ABSTRACT:
An electromagnetic pressure regulating valve includes a hollow core, a coil surrounding the core and a plunger for applying a load to a valve member through a shaft fitted in the hollow of the core, so that the pressure regulating valve is actuated when an electric signal is fed to the coil. A bushing is mounted in the hollow portion of the core for supporting the shaft for sliding relative to the core and is made of a resin material on at least its sliding face contacting the shaft. An oil passage is provided in the valve for circulating a lubricant to lubricate the areas of sliding contact between the bushing and the shaft.
REFERENCES:
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patent: 4838517 (1989-06-01), Miki et al.
patent: 4838518 (1989-06-01), Kobayashi et al.
patent: 4905961 (1990-03-01), Ichihashi et al.
patent: 4971116 (1990-11-01), Suzuki et al.
patent: 5186204 (1993-02-01), Oka et al.
patent: 5197507 (1993-03-01), Miki et al.
patent: 5259414 (1993-11-01), Suzuki
patent: 5467962 (1995-11-01), Bircann et al.
Ichigo Koichi
Kano Takenori
Kato Kazuhiko
Oka Takeya
Sakaguchi Yoshikazu
Aisin Aw Co. Ltd.
Walton George L.
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