Mitsubishi Heavy Industries Limited

The University of Tokyo

Mitsubishi Heavy Industries, Co., Ltd.

Shunichi Ikesue

Makoto Ohta

Takeshi Yasunaga

Akira Hashimoto

Yoshinori Kobayashi

Shozo Kaneko

Masami Miura

Kentaro Hayashi

Hideaki Hashimoto

Yasuyoshi Takamoto

Provided is a wave-power generator capable of adjusting a natural period (natural frequency) in response to a changing wave period. The wave-power generator includes a weight that is installed in a floating body via a spring and that linearly reciprocates in response to a fluctuation of a water surface and a generator that generates power by being driven based on the linear reciprocating motion of the weight. An additional-mass body for adding a mass to the mass of the weight is further included.

Natural-frequency adjusting mechanism for wave-power generator

A wave power generator that can efficiently perform power generation in response to ocean-wave periods, which are waves of varying period, is provided. A vibration receiving portion that is provided in a float floating at a wave surface and that performs power generation by means of vibrations exerted thereon; a mass body that applies a mass loading on the vibration receiving portion from above; a plurality of elastic members that support the mass body in series; and a plurality of locking mechanisms that restrict/release the motion of the plurality of elastic members are provided.

Wave power generator

Growing community of inventors

Tokyo, Japan

Shunichi Ikesue