Mitsubishi Heavy Industries Thermal Systems, Ltd.

Mitsubishi Heavy Industries Limited

Akihiro Kanai

Hajime Sato

Makoto Takeuchi

Kazuhide Watanabe

Yoshiyuki Kimata

Takuma Yamashita

Genta Yoshikawa

Masahiro Taniguchi

Taichi Tateishi

Kazuki Takahashi

Yogo Takasu

Yoshiaki Miyamoto

Yougo Takasu

Masashi Hamano

Youhei Hotta

Emiri Uchikawa

Yoshiyuki Okada

A scroll compressor with a stationary scroll, an orbiting scroll, and a discharge port through which a fluid that has been compressed by both the scrolls is discharged. An end plate of the orbiting scroll is provided with an end-plate side stepped portion formed such that, along a spiral of a spiral wrap, the height thereof increases toward a central side of the spiral and decreases toward an outer end side thereof. A spiral wrap of the stationary scroll is provided with a wall-portion side stepped portion formed corresponding to the end-plate side stepped portion such that the height thereof decreases toward the central side of the spiral and increases toward the outer end side thereof. A pair of compression chambers face each other. The ventral side compression chamber communicates with the discharge port before the dorsal side compression chamber communicates with the discharge port.

Scroll compressor including end-plate side stepped portions of each of the scrolls corresponding to wall-portion side stepped portions of each of the scrolls

A scroll compressor with a stationary scroll, an orbiting scroll, and a discharge port through which a fluid that has been compressed by both the scrolls is discharged. An end plate of the orbiting scroll is provided with an end-plate side stepped portion formed such that, along a spiral of a spiral wrap, the height thereof increases toward a central side of the spiral and decreases toward an outer end side thereof. A spiral wrap of the stationary scroll is provided with a wall-portion side stepped portion formed corresponding to the end-plate side stepped portion such that the height thereof decreases toward the central side of the spiral and increases toward the outer end side thereof. A pair of compression chambers which face each other, the ventral side compression chamber communicates with the discharge port before the dorsal side compression chamber communicates with the discharge port.

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Tokyo, Japan

Akihiro Kanai