Internal-combustion engines – Cooling – Interrelated coolant flow and throttle control
Patent
1991-12-12
1993-03-02
Rosenthal, Arnold
Internal-combustion engines
Cooling
Interrelated coolant flow and throttle control
2511291, 13762548, F16K 3106, F16K 11044, F01P 714
Patent
active
051899914
ABSTRACT:
Electric switching solenoid valve (1) with a valve piston (9) guided in a valve housing (12), which valve piston (9) can be moved from one switching position to another switching position by a magnet armature (18) arranged in an electric coil (15). The coil (15) has coil areas (16, 17) assigned to the various switching positions of the solenoid valve (1). The coil areas are acted on by the current only during the switching operation, and the valve piston (9) is protected in the particular switching position reached by at least one holding device (19) arranged in the valve housing (12).
REFERENCES:
patent: 1434637 (1922-11-01), Tuck
patent: 1523759 (1925-01-01), Dougherty, Jr.
patent: 1783515 (1930-12-01), Montgomery
patent: 4165762 (1979-08-01), Acar
J. Ebers Pacher
Rosenthal Arnold
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