Valves and valve actuation – Electrically actuated valve – Including solenoid
Patent
1984-10-18
1987-01-06
Rosenthal, Arnold
Valves and valve actuation
Electrically actuated valve
Including solenoid
251 50, 25112907, 25112918, F16K 3106
Patent
active
046340963
ABSTRACT:
An electromagnetic solenoid device for oil pressure control comprises a movable iron core for pushing an oil pressure valve body attached at one end of the solenoid device and a space filled with working oil in which the movable iron core is slidably moved, wherein at least one oil pressure releasing part is formed in the movable iron core, extending from the front end to the rear end of the movable iron core in the direction of its sliding movement.
REFERENCES:
patent: 2619116 (1952-11-01), Ralston
patent: 3472483 (1969-10-01), Janczur
patent: 3523676 (1970-08-01), Barker
patent: 3593241 (1971-07-01), Ludwig
patent: 3701366 (1972-10-01), Tirelli et al.
patent: 4230156 (1980-10-01), Frantz
patent: 4346847 (1982-08-01), Rissi
patent: 4418848 (1983-12-01), Lunau
Mitsubishi Denki & Kabushiki Kaisha
Rosenthal Arnold
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