Oerlikon Leybold Vacuum Gmbh

Heinz-Josef Dubbelfeld

Axel Veit

Holger Dietz

Ernst Schnacke

Axel Persch

Mario Pietrangeli

Jiri Melichar

André Siegel

A refrigerator () has a housing (), a cylindrical working chamber (), a cylindrical displacing member (), a gap () which is located between the housing and the displacing member, a regenerator which is disposed inside the displacing member, and a device alternatingly supplying the working chamber with an effective high-pressure gas and an effective low-pressure gas. In order to overcome the disadvantages associated with gas streams occurring in the gap (), an additional regenerator (gap gas regenerator), () is assigned to the gap ().

Refrigerator comprising a regenerator

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Brühl, Germany

Heinz-Josef Dubbelfeld