Patent · US Expired

Two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumes

US6629418B1 · kind B1 · utility

14Cited by
7References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 8, 2002
Grant dateOct 7, 2003
Priority date
Expiry dateJan 8, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF25B2309/1425
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

Disclosed are two-stage inter-phasing pulse tube refrigerators with and without shared buffer volumes.

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