The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 24, 2001

Filed:

Sep. 22, 1998
Applicant:
Inventors:

Hans-Ulrich Hafner, Cologne, DE;

Christoph Heiden, Linden, DE;

Gunter Thummes, Hamburg, DE;

Assignee:

Leybold Vakuum GmbH, Cologne, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25B 9/00 ;
U.S. Cl.
CPC ...
F25B 9/00 ;
Abstract

The invention relates to a multistage low-temperature refrigeration machine with a first stage in the form of a displacer refrigerator (,) as well as at least one further stage in the form of a pulse tube refrigerator (,); in order to suppress vibrations it is proposed that a flexible component (,) designed to prevent the spread of vibrations be placed between the displacer refrigerator (,) and the pulse tube refrigerator (,).


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