DRIVING FORCE TRANSMISSION DEVICE AND DIFFERENTIAL DEVICE

Japanese Patent JP2018009599

A

PROBLEM TO BE SOLVED: To provide a driving force transmission device and a differential device capable of connecting/disconnecting driving force transmission, and capable of suppressing increase in weight and size of a differential case.SOLUTION: A differential device 1 includes: a differential case 2 stored in a differential carrier 9; a differential mechanism 3 arranged relatively rotatably with respect to the differential case 2; a connection member 5 for connecting a pair of pinion shafts 30 of the differential mechanism 3 and the differential case 2 relatively rotatably by axial direction movement; and an actuator 6 for generating a movement force for moving the connection member 5 in the axial direction. The actuator 6 includes; an electromagnet 61; a yoke 62; a restriction member 65 comprising a soft magnetic body and for restricting the axial direction movement of the yoke 62; and an armature 63 comprising a soft magnetic body and for outputting the movement force by moving in the axial direction with respect to the differential case 2. The armature 63 includes an annular part 632 opposing to the restriction member 65, and moves in the axial direction with respect to the yoke 62 by a magnetic flux passing in a space between the restriction member 65 and the annular part 632.SELECTED DRAWING: Figure 1

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YOSHIZAKA TADASHI
KIM HAK
KAMIYA YASUNORI

JP2016137046A

January 18, 2018

July 11, 2016

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JTEKT CORP

F16D27/118; F16D27/10; F16H48/08; F16H48/24; F16H48/34; F16H48/40

Tadao Hirata
Takashi Nomiyama
Hiroyuki Ito

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