Patent ID: 9656643
Date: 2017-05-23
CPC Classifications: B60T,F16D,H02K

Claim:
1. A retarding device using a fluid, comprising: a rotating disk provided to a rotating shaft; a rotating housing that includes paired disk portions and a cylinder portion connecting outer circumferential portions of the disk portions so as to surround the rotating disk, and is rotatably supported with the rotating shaft; and a friction brake that presses a friction member against the rotating housing at a time of braking to bring the rotating housing to a stop, wherein on at least one surface of the rotating disk, a disk vane extending from an inner circumference of the surface toward an outer peripheral side is formed, on an inner surface of each of the paired disk portions corresponding to the disk vane, a housing vane extending from an inner circumference to an outer periphery is formed, working fluid is accommodated within the rotating housing; and the rotating shaft supporting the rotating housing has a tubular body having a space accommodating the working fluid therein, and includes a communicating hole that allows an internal space of the rotating housing and an internal space of the rotating shaft to communicate with each other.