Patent · US Expired

Cryogenic pump with an essentially cup-shaped housing

US5542257A · kind A · utility

17Cited by

3References

19Claims

0Family size

Assignee

Leybold GmBH · DE

Inventors

Monika Mattern-Klosson · Langenfeld, DE
Hans-Juergen Mundinger · Zeven, DE
Hans-Ulrich Haefner · Cologne, DE
Uwe Timm · Birkenfeld, DE

Key dates

Filing date	Jul 25, 1994
Grant date	Aug 6, 1996
Priority date	—
Expiry date	Jul 25, 2014

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S417/901
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A cryogenic pump with an essentially cup-shaped housing (2), with a radiation screen (4) disposed in the housing and also essentially cup-shaped, with an inlet opening (6), with a cold head (3) extending into the housing and the radiation screen, with pump surfaces (15) for condensable gases, disposed on the cold head, with a collecting chamber for liquid condensate developing during regeneration of the pump; in order to make possible a regeneration of the pump in various installation positions it is proposed that the condensate collecting chamber is laterally disposed in such a way that the pump (1) can be regenerated even if attached horizontally.

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