Title:
可変動弁機構及びアクチュエータ
Document Type and Number:
Japanese Patent JP6840290
Kind Code:
B2
Abstract:
Provided is a variable valve mechanism in which a motor 30 which outputs rotational force to the output shaft end side regulates the timing of opening and closing the intake valve and exhaust valve of an internal combustion engine. The variable valve mechanism is provided with a drive control device 50 provided on the other end side of the motor 30, which is located opposite the output shaft end, and controlling the drive of the motor 30. The drive control device 50 has a lower cover 52 located on the side thereof facing the motor 30. The motor 30 has therein a circulation flow passage 62 through which a refrigerant to which the heat of the motor 30 is transmitted flows. A gap 64 which is in communication with the circulation flow passage 62 and through which a refrigerant flows is provided between the motor 30 and the lower cover 52.
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Inventors:
Shinozaki, Ken
Nakagawa Hikaru
Toru Ogawa
High Masahiro No
Daisuke Mizuno
Nakagawa Hikaru
Toru Ogawa
High Masahiro No
Daisuke Mizuno
Application Number:
JP2020510431A
Publication Date:
March 10, 2021
Filing Date:
February 21, 2019
Export Citation:
Assignee:
Mitsubishi Electric Corporation
International Classes:
F01L1/356; F01L1/047; F01L1/352; F01L9/20
Domestic Patent References:
| JP201559519A | ||||
| JP2007231800A | ||||
| JP2006307761A |
Foreign References:
| WO2016194544A1 |
Attorney, Agent or Firm:
Michiharu Soga
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida