Global Patent Index - EP 1008828 A1

EP 1008828 A1 2000-06-14 - Plate heat exchanger for air separation device

Title (en)

Plate heat exchanger for air separation device

Title (de)

Plattenwärmetauscher für Luftzerlegungsvorrichtung

Title (fr)

Echangeur de chaleur à plaques pour un appareil de séparation d'air

Publication

EP 1008828 A1 (FR)

Application

EP 99403009 A

Priority

FR 9815423 A

Abstract (en)

External sheets (7) and/or semi-cylindrical heads and/or a liquid inlet or outlet chamber are in stainless steel, nickel or an alloy containing 80% of nickel. Preferred Features: The air separation apparatus contains at least one heat exchanger. It is the main exchanger cooling air down to the temperature of distillation. The heat exchanger is a supercooler. A first column supplied with air is connected thermally to a second column by means of a heat exchanger as described.

Abstract (fr)

Un échangeur comprend plusieurs plaques (8) en cuivre, nickel ou un alliage de ces métaux séparés par des ondes d'échange (6) et deux tôles extérieures (7). Les tôles extérieures et/ou une chambre d'entrée ou de sortie de fluide et/ou une tête semi-cylindrique sont en acier inoxydable ou éventuellement en nickel.

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

F28F 21/08; F25J 3/00; F28D 9/00

IPC 8 full level (invention and additional information)

F25J 3/00 (2006.01); F25J 3/04 (2006.01); F28D 9/00 (2006.01); F28F 21/08 (2006.01)

CPC (invention and additional information)

F25J 3/0486 (2013.01); F25J 3/04218 (2013.01); F25J 3/04296 (2013.01); F25J 3/04303 (2013.01); F25J 3/04393 (2013.01); F25J 3/04412 (2013.01); F25J 5/002 (2013.01); F28D 9/0068 (2013.01); F28F 21/082 (2013.01); F28F 21/087 (2013.01); F25J 2250/02 (2013.01); F25J 2250/40 (2013.01); F25J 2250/50 (2013.01); F25J 2290/32 (2013.01); F25J 2290/42 (2013.01); F25J 2290/44 (2013.01); F28D 2021/0033 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1008828 A1 20000614; FR 2786859 A1 20000609; FR 2786859 B1 20010119

INPADOC legal status


2003-08-06 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030129

2002-10-09 [RTI1] TITLE (CORRECTION)

- Free text: PLATE HEAT EXCHANGER FOR AIR SEPARATION UNIT

2002-04-24 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: L'AIR LIQUIDE, S.A. A DIRECTOIRE ET CONSEIL DE SUR

2001-02-28 [AKX] PAYMENT OF DESIGNATION FEES

- Free text: DE FR GB

2001-02-07 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20001214

2000-06-14 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB

2000-06-14 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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