Rotation switching mechanism in rotary type switching valve

Details Rotation switching mechanism in rotary type switching valve Rotation switching mechanism in rotary type switching valve

1996-10-11

1999-08-31

Lee, Kevin

Valves and valve actuation

Electrically actuated valve

Including solenoid

2511291, F16K 3102

Patent

active

059442999

ABSTRACT:
A rotation switching mechanism in a rotary type switching valve comprises a rotor serving as a movable switching valve, a pressure receiving portion disposed at an eccentric position of the rotor and rotatable in unison with the rotor, a first electromagnet and a second electromagnet placed opposite the first electromagnet with the pressure receiving portion situated therebetween. The first and second electromagnets are formed of one-way bias type electromagnets having no return springs. By supplying electric current to a selected one of the first and second, electromagnets, a slider of the selected electromagnet is caused to advance to press the receiving portion so that the rotor is rotated in one direction, whereas a slider of the non-selected electromagnet is caused to retreat due to being pressed by the pressure receiving portion.

REFERENCES:
patent: 1631161 (1927-06-01), Russell et al.
patent: 3244397 (1966-04-01), Fattor

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