Sharp Kabushiki Kaisha Corporation

Masuo Kamitaka

Shinya Takagi

Masaharu Yoshikawa

Kazuo Sugimoto

Hiroyuki Yoshida

Yoshio Inui

Mitsuo Tanaka

Hiroshi Kamikubo

Hidekazu Kai

Masayoshi Osaka

Masao Miyamoto

Tooru Hasegawa

An opening/closing device of a door for a refrigerator or the like will open/close the door member at a desired side, namely, at the right side or at the left side, without requiring a movable operating handle. The device is simple in construction, has a high adiabatic efficiency, and can be easily incorporated in the door member. Therefore, no special mechanism is necessary in the door member and no structural change is required inside the door member.

Opening/closing device of a door member

A refrigerator comprising a refrigeration cycle which comprises a compressor, condenser, first capillary tube and first cooler connected into a loop, and a quick freezing refrigerant circuit connected in parallel with the first cooler and comprising a second capillary tube and a second cooler connected in series therewith. The refrigerant is passed through the first cooler for usual operation, or alternatively through the quick freezing circuit for quick freezing. During quick freezing, the first cooler is held out of operation, and the refrigerant has its pressure reduced in two steps by the first and second capillary tubes and is evaporated in the second cooler only, giving a low temperature effective for quick freezing. During usual operation, no refrigerant flows into the second cooler, which therefore remains free of frosting. The frost deposited on the second cooler during quick freezing disappears during the usual operation. Thus, the second cooler is substantially free from frost.

Freezer-refrigerator

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Nara, Japan

Masuo Kamitaka