Engine reciprocative rotating mechanism and method for manufacturing the same

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United States of America Patent

PATENT NO 10612615
APP PUB NO 20190120318A1
SERIAL NO

16165782

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Abstract

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A second dynamic vibration absorber is higher in resonance frequency than a first dynamic vibration absorber. At least one of a ratio of a mass of a body of the first dynamic vibration absorber to a reciprocating inertial mass of the reciprocative rotation mechanism or a ratio of a mass of a body of the second dynamic vibration absorber to the reciprocating inertial mass of the reciprocative rotation mechanism is set such that a peak frequency of antiresonance occurring in a higher frequency region of the first dynamic vibration absorber than the resonance frequency of the first dynamic vibration absorber is substantially different from that of antiresonance occurring in a lower frequency region of the second dynamic vibration absorber than the resonance frequency of the second dynamic vibration absorber.

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Patent Owner(s)

Patent OwnerAddress
MAZDA MOTOR CORPORATION3-1 SHINCHI FUCHU-CHO AKI-GUN HIROSHIMA 730-8670

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Enokizono, Rei Hiroshima, JP 2 0
Hirata, Koichi Hiroshima, JP 54 289
Kikuchi, Takuya Higashihiroshima, JP 29 0
Mori, Tsunehiro Aki-gun, JP 17 60
Morishima, Toru Hiroshima, JP 2 0
Nagato, Kiyonori Otake, JP 5 13
Shirasuna, Yuichi Aki-gun, JP 2 0
Sumitani, Akira Higashihiroshima, JP 28 401
Yamada, Rumiko Hiroshima, JP 13 91

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