Mitsubishi Electric Corporation

Mitsubishi Electronic Corporation

Katsuhiko Hayashida

Koji Yamashita

Yuji Motomura

Hiroyuki Morimoto

Shinichi Wakamoto

Osamu Morimoto

Masahiro Yamazaki

Koji Azuma

Hiroto Nakao

Keisuke Hokazono

Akihisa Yokoyama

Toshihiko Honda

Masaomi Takeda

Akiyoshi Shiramizu

A valve block and a valve block unit which allow simplification and miniaturization of a pipe arrangement. The valve block includes at least one flow switching valve including a valve body, the valve selectively switching between conductions of a fluid (heat medium), a first pipe (heating outward-flow main pipe) and a second pipe (cooling outward-flow main pipe), switched by the flow switching valve, allowing the fluid to be conveyed therethrough, and a third pipe (first branch pipe) that selectively communicates with the first pipe or the second pipe, the flow switching valve, the first pipe, the second pipe, and the third pipe being connected to each other.

Valve block, and valve block unit

A heat medium relay unit and an air-conditioning apparatus or the like are provided that are compact and have improved serviceability while achieving energy saving. A heat medium relay unit according to the invention includes heat medium delivering devices and heat medium flow switching devices (first heat medium flow switching devices and second heat medium flow switching devices) that are provided so as to be detachable from a predetermined side.

Heat medium relay unit and air-conditioning apparatus

A packing box comprising a rectangular bottom plate and a plurality of side plates erected from the periphery of the bottom plate and surrounding the bottom plate, in which at four corners in corner parts formed by the plurality of side plates, frame columns, each erected from the bottom plate side and extending to the midway to a distal end of the side plates, are formed and joined to the side plates, and the bottom plate, the side plates, and the frame columns are formed by one corrugated fiberboard sheet.

Packing box and manufacturing method thereof

A housing capable of being carried into an elevator cage and turned with ease even in the elevator cage having a narrow frontage is provided. A housingis configured to have a dimension A of a first face narrower than an effective doorway dimension a of an elevator cage, and a dimension B of a second face wider than an effective depth b of the elevator cage, and corner portions are chamfered in an up and down direction, and the chamfered dimension X is set to a value obtained by subtracting the effective depth b of the elevator cagefrom the dimension B of the second face. Further, the corner portions may be chamfered in a same shape. In addition, each of the corner portions is chamfered to have an angle of approximately 45 degrees in relation to an adjoining surface.

Air-conditioner unit and method of conveying the same

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Tokyo, Japan

Katsuhiko Hayashida