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Patent Searching and Data


Title:
ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2019/078253
Kind Code:
A1
Abstract:
This actuator (10) drives a supercharging pressure controlling valve (26) for a supercharger (14), and is provided with a motor (36), an output shaft (38), a speed reduction section (37), a rotational angle sensor (39), and a magnetic circuit holding member (73). The speed reduction section (37) includes a metallic final gear (54) affixed to the output shaft (38), reduces the speed of rotation of the motor (36), and transmits the reduced speed to the output shaft (38). The rotational angle sensor (39) includes a magnetic circuit section (64) and a detection section (65), and detects the rotational angle of the output shaft (38). The magnetic circuit holding section (73) is a non-magnetic member affixed to the output shaft (38), is a separate member from the final gear (54), and holds the magnetic circuit section (64).

Inventors:
YAMANAKA Tetsuji (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
NAMBA Kunio (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
KONO Naoaki (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
TANAKA Atsushi (Showa-cho Kariya-cit, Aichi 61, 〒4488661, JP)
Application Number:
JP2018/038661
Publication Date:
April 25, 2019
Filing Date:
October 17, 2018
Export Citation:
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Assignee:
DENSO CORPORATION (1-1 Showa-cho, Kariya-city Aichi, 61, 〒4488661, JP)
International Classes:
F02B37/18; F16H1/06; G01B7/30; G01D5/14; H02K7/116; H02K11/215
Domestic Patent References:
WO2017029124A12017-02-23
Foreign References:
JP2017011824A2017-01-12
JP2011247398A2011-12-08
EP3144508A12017-03-22
Attorney, Agent or Firm:
HATTORI Masaki (HATTORI & ASSOCIATES, Eighth Floor Arex BLDG., 4-12, Marunouchi 1-chome, Naka-k, Nagoya-shi Aichi 02, 〒4600002, JP)
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