Global Patent Index - EP 0851183 A3

EP 0851183 A3 2000-04-05 - Refrigeration system

Title (en)

Refrigeration system

Title (de)

Kälteanlage

Title (fr)

Système frigorifique

Publication

EP 0851183 A3 (DE)

Application

EP 97122135 A

Priority

DE 19653244 A

Abstract (en)

[origin: EP0851183A2] Low temperature plant consisting of a number of units in a cascade configuration where each unit consists of a compressor, a condenser, an expansion valve and an evaporator. A plant with three units (I, II, III), each of which used a different coolant, is shown. These units are connected thermally through plate heat exchangers (6,20) so that the coolant in a particular unit is pre-cooled by that in the preceding stage.

IPC 1-7 (main, further and additional classification)

F25B 7/00

IPC 8 full level (invention and additional information)

F25B 7/00 (2006.01); F25B 30/02 (2006.01)

CPC (invention and additional information)

F25B 7/00 (2013.01); F25B 30/02 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

DE 19653244 A1 19980625; EP 0851183 A2 19980701; EP 0851183 A3 20000405

INPADOC legal status


2001-08-01 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20001006

2001-01-18 [REG DE 8566] DESIGNATED COUNTRY DE NOT LONGER VALID

2000-12-13 [AKX] PAYMENT OF DESIGNATION FEES

2000-04-05 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

2000-04-05 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI

1998-07-01 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

1998-07-01 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Free text: AL;LT;LV;MK;RO;SI