Sanyo Electric Co., Ltd.

Ryousuke Tuihiji

Kazuya Sato

Takahiro Nakamura

Hiroshi Nishikawa

Hiroshi Kanai

Takeo Komatsubara

Yasuo Sakamoto

Takayuki Mizuno

Eiji Fukuda

Hiroshi Sekiya

Takashi Inoue

Denji Mashimo

Itsuo Nakazaki

A Stirling refrigerator, which prevents oil rising, makes oil seal bellows have long-life, and includes a housing, cylinder, piston, piston rod and an oil seal bellows. The oil seal bellows seals a space between the housing and the cylinder, wherein a tip end of the oil seal bellows is sealed and fixed on the piston or on the piston rod inside the cylinder, and a base end of the oil seal bellows is installed on the housing. The oil seal bellows reciprocates with a stroke, wherein the tip end of the oil seal bellows is compressed to a compression side from a position of free length then returns to the position of free length.

Stirling refrigerator

Growing community of inventors

Gunma-ken, Japan

Ryousuke Tuihiji