Mitsubishi Electric Corporation

Kosuke Umemura

Sohei Samejima

Hiroki Kobayashi

Kenichi Sakoda

Hajime Takeya

Michihito Matsumoto

Masami Kume

Haruhiko Kakutani

Ichiya Takahashi

Shinsuke Okano

The impeller includes a blade formed either entirely or partially from fiber reinforced plastic, a boss member that supports the blade, a plate that presses a root portion of the blade against the boss member; and a fastening portion that fastens the boss member to the plate, wherein the root portion of the blade has an undercut shape, the boss member has an excavated portion, the excavated portion is shaped identically to all or a part of the undercut shape or shaped such that a gap is formed between the excavated shape and all or a part of the undercut shape, and the root portion of the blade is fastened by a fastening force via the boss portion and the plate in a condition where a clearance is provided between the boss member and the plate.

Impeller

A cover for an air conditioning device for a railway vehicle is a cover for an air conditioning device for a vehicle, which covers an air-conditioner main body. The cover includes a core made of a foamed material having heat insulating property, and a surface member made of a fiber reinforced plastic, which covers entire surfaces of the core. The core is deformed into a curved shape by elastic deformation.

Cover for air conditioning device for vehicle, and method for manufacturing same

Growing community of inventors

Chiyoda-ku, Japan

Kosuke Umemura