Title:
PERMANENT MAGNET, OPENING DETECTION DEVICE, AND THROTTLE DEVICE
Document Type and Number:
Japanese Patent JP2019138290
Kind Code:
A
Abstract:
To provide a technique for restraining abrasion powder on a surface of a permanent magnet from coming into contact with a magnetic sensor.SOLUTION: A permanent magnet is used together with a magnetic sensor, and may comprise a groove arranged on a boundary surface between a south pole portion and a north pole portion over the whole length of a surface opposed to the magnetic sensor.SELECTED DRAWING: Figure 1
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Inventors:
NAGAO KAZUTERU
WADA YUKI
WADA YUKI
Application Number:
JP2018025211A
Publication Date:
August 22, 2019
Filing Date:
February 15, 2018
Export Citation:
Assignee:
AISAN IND
International Classes:
F02D11/10; F02D9/02; F02D9/10
Attorney, Agent or Firm:
Kaiyu International Patent Office