(19)
(11) EP 2 855 941 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:
14.08.2019 Bulletin 2019/33

(45) Mention of the grant of the patent:
09.01.2019 Bulletin 2019/02

(21) Application number: 13724110.5

(22) Date of filing: 08.05.2013
(51) International Patent Classification (IPC): 
F04D 27/02(2006.01)
B01D 53/047(2006.01)
(86) International application number:
PCT/US2013/040129
(87) International publication number:
WO 2013/180919 (05.12.2013 Gazette 2013/49)

(54)

ANTI-SURGE SPEED CONTROL OF A COMPRESSOR IN A VPSA APPARATUS

PUMPVERHÜTENDE DREHZAHLREGELUNG EINES VERDICHTERS IN EINER VPSA ANLAGE

CONTROLE DE VITESSE ANTI-REFOULEMENT D'UN COMPRESSEUR DANS UNE INSTALLATION VPSA


(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 31.05.2012 US 201213484846
07.05.2013 US 201313888943

(43) Date of publication of application:
08.04.2015 Bulletin 2015/15

(73) Proprietor: Praxair Technology, Inc.
Danbury, CT 06810 (US)

(72) Inventors:
  • ROSINSKI, Andrew, C.
    Orchard Park, NY 14127 (US)
  • BELANGER, Paul, W.
    Clarence Center, NY 14032 (US)
  • MANNING, Michael, S.
    Buffalo, NY 14209 (US)

(74) Representative: BRP Renaud & Partner mbB Rechtsanwälte Patentanwälte Steuerberater 
Königstraße 28
70173 Stuttgart
70173 Stuttgart (DE)


(56) References cited: : 
WO-A1-2009/120654
US-A- 5 873 257
US-A- 5 555 749
   
       
    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).