Hitachi, Ltd.

Shigetaroo Tagawa

Kenji Tojo

Isao Hayase

Masahiro Takebayashi

Kunihiko Takao

Hiroaki Hata

Hirokatsu Kohsokabe

Takeshi Kouno

A displacement type fluid machine which is easier to machine and assemble than a scroll type fluid machine and has high performance and low cost. A displacer is revolved in a cylinder having an inside wall formed by a curve such that a planar shape is continuous, whereby a working fluid is discharged through a plurality of discharge ports, there is provided a driving unit in which the orbiting radius of the displacer is variable along the shape of a movement line contact portion of the cylinder and the displacer.

Displacement type fluid machine

Growing community of inventors

Iwafune, Japan

Shigetaroo Tagawa