Title:
TRANSMISSION SHELL, TRANSMISSION CASE AND ACTUATOR
Document Type and Number:
Japanese Patent JP2019216587
Kind Code:
A
Abstract:
To provide an improved transmission case.SOLUTION: A transmission shell is applied to an actuator, and an accommodating space for receiving a transmission assembly is formed in a transmission case. The transmission shell is provided with a first ventilation structure, and the first ventilation structure includes a venting hole and a blocking wall disposed around the venting hole. The venting hole is in gas communication with the accommodating space, the blocking wall is disposed on an outer periphery of the venting hole to form a buffering chamber communicating with the venting hole, and an opening is provided at an end away from the venting hole. The present disclosure also provides a transmission case and an actuator using the transmission shell. The venting hole has effectively waterproof and moisture-proof without requiring a sealing element, and is simple in structure, easy to manufacture, and low in cost.SELECTED DRAWING: Figure 2
Inventors:
MAO WEIXING
OUYANG FAN
LIU CHUAN
YAN LONG
ZHANG MIN
BAI ZUDE
SELVAKUMAR PERIYASAMY
OUYANG FAN
LIU CHUAN
YAN LONG
ZHANG MIN
BAI ZUDE
SELVAKUMAR PERIYASAMY
Application Number:
JP2019082653A
Publication Date:
December 19, 2019
Filing Date:
April 24, 2019
Export Citation:
Assignee:
JOHNSON ELECTRIC INT AG
International Classes:
H02K7/116
Domestic Patent References:
| JPH07322547A | 1995-12-08 | |||
| JP2011241863A | 2011-12-01 | |||
| JPH069365U | 1994-02-04 |
Attorney, Agent or Firm:
Shinichiro Tanaka
▲吉▼田 和彦
Hiroyuki Suda
Fumiaki Otsuka
Takaki Nishijima
Hiroshi Uesugi
Naoki Kondo
Takeo Nasu
▲吉▼田 和彦
Hiroyuki Suda
Fumiaki Otsuka
Takaki Nishijima
Hiroshi Uesugi
Naoki Kondo
Takeo Nasu