Mitsubishi Denki Kabushiki Kaisha

Masahiko Sugino

Kenji Kawaguchi

Tomohiko Kasai

Masaharu Moriyasu

Michio Fujiwara

Youichi Hisamori

Mitsunori Kurachi

Tatsuo Ono

Hirofumi Kouge

An air conditioning system of the present invention has a refrigerant circuit including a compressor, an oil separator, a condenser, a expansion device, an evaporator, a first accumulator, and a second accumulator which are connected in order by piping, said evaporator, said first accumulator, said second accumulator, and said compressor being connected in series; a first oil return bypass for connecting said oil separator and a connection pipe between said first and second accumulators; and a second oil return bypass for connecting said first accumulator and a connection pipe between said second accumulator and said compressor.

Air conditioning system, and accumulator therefor and manufacturing

Growing community of inventors

Wakayama, Japan

Masahiko Sugino