(19)
(11) EP 1 616 135 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
11.03.2015 Bulletin 2015/11

(45) Mention of the grant of the patent:
20.08.2014 Bulletin 2014/34

(21) Application number: 04760017.6

(22) Date of filing: 19.04.2004
(51) International Patent Classification (IPC): 
F04D 27/02(2006.01)
F25B 1/04(2006.01)
 F04D 27/00(2006.01)
(86) International application number:
PCT/US2004/012081
(87) International publication number:
WO 2004/094925 (04.11.2004 Gazette 2004/45)

(54)

METHODS FOR DETECTING SURGE IN CENTRIFUGAL COMPRESSORS

VERFAHREN ZUR ERFASSUNG DES PUMPENS IN ZENTRIFUGALVERDICHTERN

METHODES DE DETECTION D'A-COUPS DANS DES COMPRESSEURS CENTRIFUGES

(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 17.04.2003 US 463644 P

(43) Date of publication of application:
18.01.2006 Bulletin 2006/03

(73) Proprietor: Daikin Applied Americas Inc.
Minneapolis, MN 55441 (US)

(72) Inventor:
  • KNOPP, John, C., c/o AAF-MCQUAY INC.
    Minneapolis, MN 55441 (US)

(74) Representative: Cabinet Plasseraud 
52, rue de la Victoire
75440 Paris Cedex 09
75440 Paris Cedex 09 (FR)


(56) References cited: : 
US-A- 4 546 618
US-A- 5 553 997
US-A- 5 894 736
 US-A- 4 686 834
US-A- 5 845 509
US-B1- 6 427 464
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).