Nissan Motor Company Limited

Koji Tanimura

Yoshinori Hirano

Masahiko Kondo

Toshio Enomoto

Shunsuke Ebata

Kazuki Kubota

Yusuke Harukawa

Keiichiro Matsumoto

Takayuki Miyakawa

Seiji Ishizu

Tadashi Nagami

A motor mount system includes a motor unit and a frame that supports the motor unit via four bush mounts. The four bush mounts have configurations that are identical to each other. Among the four bush mounts, a bush mount is closest to a center of gravity of driving reaction force input to two bush mounts disposed in front of the motor unit, or a center of gravity of driving reaction force input to two bush mounts disposed behind the motor unit, and the bush mount is disposed in a state where the bush mount is rotated in a direction in which rigidity to a load in a vertical direction is higher than rigidity of other bush mounts.

Motor mount system

An hybrid electric vehicle (HEV) drives front wheels by a motor-generator via drive shafts by use of electricity generated by an internal combustion engine (ICE). A lower portion of the internal combustion engine is locate on a front side of a lower portion of the motor-generator in the vehicle body with being distanced therefrom. A steering gearbox is placed between the internal combustion engine and the motor-generator and located on a front side of the drive shafts. According to this configuration, driving stability, steering feeling, and noise and vibration can be balanced at a high level.

Hybrid electric vehicle

A variable compression ratio engine () is provided with a multi-link mechanism () between a piston () and a crankshaft (). The multi-link mechanism () includes an upper link (), a lower link () and a control link (). An anti-vibration device () for vehicles is attached between the upper part of the engine () and a vehicle body to which the engine () is mounted. The anti-vibration device () includes a rod body () having a first elastic connecting part () at one end and a second elastic connecting part () at another end. The first elastic connecting part () is connected to the engine (). The second elastic connecting part () is connected to the vehicle body. The anti-vibration device () further includes an inertial mass () supported by the rod body (), an actuator () configured to reciprocate the inertial mass () in an axial direction (C) of the rod body (), and a control unit () configured to control the actuator () so that the inertial mass () receives force in accordance with a displacement speed of the rod body () in the axial direction (C). The rod body () has a rigid body resonance frequency lower than a resonant frequency of bending and torsion of the engine ().

Anti-vibration device for vehicle

Growing community of inventors

Kanagawa, Japan

Koji Tanimura