Slide valve

Details Slide valve Slide valve

F - Mech Eng,Light,Heat,Weapons

16

K

137/127

F16K 3/16 (2006.01) F16K 11/065 (2006.01) F16K 31/06 (2006.01) F25B 41/04 (2006.01)

Patent

CA 1272100

ABSTRACT A four way slide valve comprises a plunger (122, 51) connected to a slider (113, 45) and a solenoid coil (12, 55) for driving the plunger thereby to switch the four way valve between room-heating and room-cooling, and further, by inserting a demagnetizsble permanent magnet (54) in series to magnetic circuit of the plunger (51) and a stator core (52) and magnetizing and demagnetizing the permanent magnet for switching operation of the refrige- rant circuit, the hitherto necessitated retention current for the plunger is eliminated, thereby eliminating undesirable noises hitherto generated by a pilot valve used for switching the slide valve, and further saving the power consumption.

540045

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