Fluid handling – Systems – Multi-way valve unit
Patent
1979-12-04
1981-10-06
Michalsky, Gerald A.
Fluid handling
Systems
Multi-way valve unit
1376256, F15B 13043
Patent
active
042930022
ABSTRACT:
An electrically operated fluid control device for controlling fluid flow under high pressure to be supplied into a fluid actuator, the control device comprising a fluid control valve assembly having a main spool to control fluid flow supplied to the fluid actuator, and an electrically operated pilot valve assembly coaxially incorporated with the control valve assembly to operate the main spool in response to an electric signal.
REFERENCES:
patent: 3238972 (1966-03-01), Bowman
patent: 3267965 (1966-08-01), Kroffke
Kuwana Masayuki
Moriyama Yoshiki
Michalsky Gerald A.
Toyooki Kogyo Kabushiki Kaisha
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