Title:
ギアードモータおよび排水弁駆動装置
Document Type and Number:
Japanese Patent JP6978946
Kind Code:
B2
Abstract:
To suppress malfunctioning due to the inclusion of foreign matter into a wheel train in a geared motor that drives a drain valve drive member.SOLUTION: In a drain valve drive device 1, the rotation of a motor 40 is transmitted to a lever 10 by way of a transmission wheel train 50 that includes a speed reduction wheel train. A second clutch mechanism 80 switches between states where an acceleration gear 85 locks and does not lock the rotation of a planetary gear mechanism 52, switching between a first state where the lever 10 is driven by the rotation of the motor 40 and a second state where the acceleration gear 85 and a lock gear 84 run on idle allowing the lever 10 to be rotated by an external force. A toothed gear module MA of an acceleration wheel train including the acceleration gear 85 is larger than a toothed gear module MB of a deceleration wheel train consisting the transmission wheel train 50. Therefore, it is possible to suppress the inclusion of foreign matter in the second state where the acceleration wheel train runs on idle, and to suppress the malfunctioning due to foreign matter.SELECTED DRAWING: Figure 10
Inventors:
Toshiomi Miyashita
Application Number:
JP2018002328A
Publication Date:
December 08, 2021
Filing Date:
January 11, 2018
Export Citation:
Assignee:
Nidec Sankyo Co., Ltd.
International Classes:
H02K7/116; D06F39/08; F16D11/10; F16H1/06; F16H1/28; H02K7/108
Domestic Patent References:
| JP2017158393A | ||||
| JP2003117413A | ||||
| JP10953A |
Attorney, Agent or Firm:
Toru Kawai
Shin Kodaira
Kawaguchi Nobuko
Shin Kodaira
Kawaguchi Nobuko