(19)
(11) EP 2 761 260 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:
19.01.2022 Bulletin 2022/03

(45) Mention of the grant of the patent:
15.12.2021 Bulletin 2021/50

(21) Application number: 12837208.3

(22) Date of filing: 11.09.2012
(51) International Patent Classification (IPC): 
G01G 17/04(2006.01)
G01F 25/00(2006.01)
G01F 23/26(2006.01)
G01F 23/30(2006.01)
G01N 9/24(2006.01)
G01F 17/00(2006.01)
 B60K 15/00(2006.01)
G01F 23/14(2006.01)
G01F 23/296(2006.01)
G01G 19/40(2006.01)
F17C 13/02(2006.01)
(52) Cooperative Patent Classification (CPC):
G01F 23/296; F17C 2221/014; G01F 23/26; F17C 2223/047; F17C 2221/033; F17C 2223/0161; F17C 2225/045; G01F 23/14; F17C 2201/058; G01F 23/30; F17C 2250/043; F17C 2270/0168; F17C 2201/035; G01N 9/24; Y02E 60/32; F17C 2201/0109; F17C 2201/056; F17C 2205/0332; F17C 2203/0629; F17C 2221/016; G01F 25/00; F17C 13/021; F17C 2223/033; F17C 2250/0421; G01F 23/0061; F17C 2250/0495; F17C 2250/0417; F17C 2260/026; F17C 2250/0473; F17C 2260/025; F17C 2250/032; F17C 2221/012; G01F 17/00; F17C 2221/011
(86) International application number:
PCT/CA2012/050628
(87) International publication number:
WO 2013/044381 (04.04.2013 Gazette 2013/14)

(54)

APPARATUS AND METHOD FOR VOLUME AND MASS ESTIMATION OF A MULTIPHASE FLUID STORED AT CRYOGENIC TEMPERATURES

VORRICHTUNG UND VERFAHREN ZUR VOLUMEN- UND MASSESCHÄTZUNG EINER BEI KRYOGENEN TEMPERATUREN GELAGERTEN MEHRPHASIGEN FLÜSSIGKEIT

APPAREIL ET PROCÉDÉ PERMETTANT D'ESTIMER LE VOLUME ET LA MASSE D'UN FLUIDE MULTIPHASIQUE STOCKÉ À DES TEMPÉRATURES CRYOGÉNIQUES

(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: 27.09.2011 CA 2753588

(43) Date of publication of application:
06.08.2014 Bulletin 2014/32

(73) Proprietor: Westport Fuel Systems Canada Inc.
Vancouver, BC V6P 6G2 (CA)

(72) Inventors:
  • HARPER, Gregory C.
    New Westminster, British Columbia V3M 0A1 (CA)
  • BATENBURG, Gregory A.
    Delta, British Columbia V4C 5Y2 (CA)
  • SCHRANZ, Paul S.
    Bowen Island, British Columbia V0N 1G0 (CA)

(74) Representative: Von Rohr Patentanwälte Partnerschaft mbB 
Rüttenscheider Straße 62
45130 Essen
45130 Essen (DE)


(56) References cited: : 
EP-A2- 2 339 222
FR-A1- 2 763 124
JP-A- 2006 160 287
US-A1- 2006 156 809
 DE-A1-102006 023 752
GB-A- 1 384 390
US-A1- 2002 157 402
   
       
    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).