シリーズハイブリッド式ストラドルドビークル

Japanese Patent JP7387921

B2

Provided is a series-hybrid type straddled vehicle that makes it possible to efficiently suppress or prevent transmission of the vibration of an engine for electric power generation to a frame while suppressing or preventing an increase in size and complication of the structure. The series-hybrid type straddled vehicle according to the present invention comprises: an engine drive power supply unit which has a biaxial primary balancer for suppressing vibration due to a primary inertia force and a primary inertia couple, an engine for electric power generation, and a generator and which is capable of outputting electric power generated by the generator; and a support mechanism mounted to a vehicle body frame so as to support the engine drive power supply unit in such a manner that suppresses rotational vibration about a crankshaft while allowing cylinder-direction translational vibration due to a residual secondary inertia force. The cylinder-direction translational vibration due to the residual secondary inertia force is translational vibration generated in the cylinder axis direction of the engine for electric power generation as viewed from the crankshaft axis direction by a secondary inertia force remaining in the engine for electric power generation caused by the primary inertia force and the primary inertia couple suppressed by the biaxial primary balancer. The rotational vibration about the crankshaft is rotational vibration about a line parallel to the crankshaft axis.

Naoki Kitamura
Tsutomu Kawaguchi

JP2022577977A

November 28, 2023

January 29, 2021

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YAMAHA HATSUDOKI KABUSHIKI KAISHA

B60K6/40; B60K5/12; B60K6/24; B60K6/46; B60L50/61; B62M23/02; F02B77/00; F16F15/04; F16F15/26

JP2001106159A
JP2003237674A
JP201744169A

WO2005063559A1

Patent Attorney Firm Tas Meister

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