HYDRAULICALLY DAMPED MAGNETIC VALVE

• US 3,606,241 A
• Filed: 06/03/1969
• Issued: 09/20/1971
• Est. Priority Date: 05/04/1968
• Status: Expired due to Term

• Current Assignee: Bornholdt Siegfred
• Original Assignee: Bornholdt Siegfred
• Inventors: BORNHOLDT SIEGFRED
• Application Number:
  US04/832,038
• Time in Patent Office: 839 Days
• US Class Current: 251/52
• CPC Class Codes: F16K 31/0693 Pressure equilibration of the armature
• CPC Class Codes: H01F 7/088 provided with means for absorbing shocks
• CPC Class Codes: H01F 7/1607 Armatures entering the winding

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.

Claims