Other

Honda Giken Kogyo Kabushiki Kaisha

Kazuhito Misaji

Tsuyoshi Yamashita

Yoshihiro Noguchi

Koichi Hasegawa

Rentaro Kato

Keiichi Sunami

Toru Nirei

Kengo Okamura

Akihiro Maejima

Tetsuya Imai

Yuji Kuruhara

A vehicle floor structure having a noise insulation structure with a two-way freedom system is provided. The two-way freedom system noise insulation structure is comprised of a lower mass layer and a urethane layer beneath the same, and an upper mass layer and a low resilient material layer beneath the same and made of fibrous material layer or low resilient urethane layer.

Noise insulation structure

A vibration damper little depending on temperature, capable of damping plural resonance vibrations over a wide frequency region as well as damping a specific frequency vibration is provided. The vibration damper comprises a housing formed of a rigid material, having an internal space and fixed to a vibration transmitting member, an elastic body inserted in the internal space not bonded thereto with a gap in a direction of vibration of the housing, and a weight integrally supported by the elastic body so as not to touch the housing. The elastic body and the weight form a dynamic damper.

Vibration damper

Growing community of inventors

Wako, Japan

Kazuhito Misaji