Title:
LOW NOISE SOLENOID
Document Type and Number:
Japanese Patent JPH0714460
Kind Code:
A
Abstract:
PURPOSE: To improve the performance and the reliability while suppressing the impact noise in the operation.
CONSTITUTION: In this solenoid, a movable iron core 2 is moved to a fixed iron core 3 side following the excitation to a coil 1. The fixed iron core 3 is fixed by penetrating a magnetic substance frame 4. A step 5 with the diameter larger than the size of the penetrating part 6 is formed. The step 5 is surface-contacted to the magnetic substance frame 4. A larger diameter step 7 with the diameter larger than the step 5 is formed. A cushion layer 8 is provided between the larger diameter step 7 and the magnetic substance frame 4.
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Inventors:
TAKASE YOSHIO
MURAOKA TAKESHI
MURAOKA TAKESHI
Application Number:
JP15581293A
Publication Date:
January 17, 1995
Filing Date:
June 25, 1993
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS LTD
International Classes:
H01H3/60; (IPC1-7): H01H3/60
Attorney, Agent or Firm:
Ishida Chochichi (2 outside)
Next Patent: 脱硝装置