Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Morihiro Matsumoto0
Yuya Takahashi0
Tadashi Sekiguchi0
Date of Patent
February 27, 2018
0Patent Application Number
150820760
Date Filed
March 28, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A torsional vibration damper having enhanced vibration damping performance is provided. The torsional vibration damper comprises: a vacant area existing between an outer circumference of the sun gear and an inner circumference of the ring gear outside of a revolving range of the planetary gears revolved as a result of relative rotation between the sun and the ring gear; and a mass increasing portion that is formed on the rotary member other than an input element and an output element within the vacant area in such a manner as to protrude from the rotary member.
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