Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTROMAGNETIC BRAKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/003936
Kind Code:
A1
Abstract:
An electromagnetic braking device 100 according to the present disclosure comprises a fixed iron core 11, a movable iron core 21, coils 12, and a spring 13. The movable iron core 21 is capable of moving between the fixed iron core 11 and a rotor 200, has two end sections and an intermediate section located between the two end sections, and is provided to be inclined such that one end section of the two end sections is located closer to the fixed iron core 11 as compared with the other end section. The coils 12 are provided in the fixed iron core 11. The spring 13 is provided so as to be in contact with the intermediate section of the movable iron core 21 and presses the movable iron core 21 toward a direction away from the fixed iron core 11. At least one of the fixed iron core 11 and the movable iron core 21 comprises, on an opposing surface opposite to the other, a first gap 24a and a second gap 24b which are dents. The second gap 24b is a dent deeper than the first gap 24a and is provided on a side closer to the one end section of the movable iron core 21 as compared with the first gap 24a and the spring 13.

Inventors:
TAKEZAKI YUKI (JP)
Application Number:
PCT/JP2020/026144
Publication Date:
January 06, 2022
Filing Date:
July 03, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
F16D49/00; B66B11/08; F16D121/26
Foreign References:
JP2016001054A2016-01-07
JP2016160064A2016-09-05
JP2016151304A2016-08-22
Attorney, Agent or Firm:
MURAKAMI, Kanako et al. (JP)
Download PDF: