Patent · US Expired

Cryopumping apparatus

US4277951A · kind A · utility

15Cited by
5References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1980
Grant dateJul 14, 1981
Priority date
Expiry dateApr 10, 2000

Classification

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

Abstract

A cryopump consisting of cryopanels attached to an elongated source of refrigeration in which heat is transferred from cryopumping surfaces to various stages of refrigeration by conduction including a chevron baffle or louver mounted parallel to the long axis of the refrigerator source and directly to the warmest stage of refrigeration.

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