Global Patent Index - EP 0338920 B1

EP 0338920 B1 19921202 - JOULE-THOMSON COOLER WITH POROUS MASS HEAT EXCHANGER

Title (en)

JOULE-THOMSON COOLER WITH POROUS MASS HEAT EXCHANGER

Publication

EP 0338920 B1 19921202 (FR)

Application

EP 89401083 A 19890419

Priority

FR 8805205 A 19880420

Abstract (en)

[origin: EP0338920A2] The porous mass (7) of the heat exchanger of the Joule-Thomson cooler (1) consists of balls of uniform diameter covered with a layer of a material having a melting point below that of the material of which the balls are made, the latter being connected to one another by the melting of said material. The invention is used for the cooling of infrared detectors. <IMAGE>

IPC 1-7

F25B 9/02; F28F 1/12

IPC 8 full level

F25B 9/02 (2006.01); F28F 1/12 (2006.01)

CPC (source: EP)

F25B 9/02 (2013.01); F28F 1/12 (2013.01)

Citation (examination)

Designated contracting state (EPC)

BE DE ES FR GB IT

DOCDB simple family (publication)

EP 0338920 A2 19891025; EP 0338920 A3 19901114; EP 0338920 B1 19921202; DE 68903667 D1 19930114; DE 68903667 T2 19930401; FR 2630535 A1 19891027; FR 2630535 B1 19901102

DOCDB simple family (application)

EP 89401083 A 19890419; DE 68903667 T 19890419; FR 8805205 A 19880420