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公开(公告)号：US3606241A
公开(公告)日：1971-09-20
申请号：US3606241D
申请日：1969-06-03
Applicant: DANFOSS AS
Inventor： BORNHOLDT SIEGFRED
CPC classification number: F16K31/0693 , H01F7/088 , H01F7/1607
Abstract: THE INVENTION RELATES TO A HYDRAULICALLY DAMPED MAGNETIC VALVE HAVING AN OIL CHAMBER IN WHICH THE ARMATURE AND COIL ARE ENCLOSED. THE OIL CHAMBER IS FORMED BY DIAPHRAGMS ATTACHED TO THE VALVE SPINDLE, AT OPPOSITE ENDS OF THE ARMATURE, AND TO THE INTERIOR WALL OF THE HOUSING. TWO GAS CHAMBERS ARE FORMED INTERIORLY OF THE HOUSING ON OPPOSITE SIDES OF THE OIL CHAMBER. A PASSAGE IS FORMED IN THE VALVE SPINDLE WHICH EXTENDS FROM THE VALVE CHAMBER TO ONE OF THE GAS CHAMBERS TO EFFECT BALANCING WHICH IS CONCOMITANT WITH LOW CLOSING SPRING FORCES.
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