Patent · US Expired

Refrigerator

US5906099A · kind A · utility

1Cited by

9References

4Claims

0Family size

Assignee

LEYBOLD VAKUUM GmbH · DE

Inventors

Markus Jung · Gießen, DE
Dieter Sous · Lechenich, DE

Key dates

Filing date	Feb 13, 1998
Grant date	May 25, 1999
Priority date	—
Expiry date	Feb 13, 2018

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF25B9/14
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

A refrigerator for cryogenic pumps, cryostats and the like, includes a housing having a cylindrical working volume inside the housing and a displacement element capable of moving in a reciprocal manner within the working volume. The displacement element is driven by a gas drive. To reduce vibrations, the displacement element is forcibly guided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.