Global Patent Index - EP 2955387 A1

EP 2955387 A1 20151216 - CENTRIFUGAL COMPRESSOR

Title (en)

CENTRIFUGAL COMPRESSOR

Title (de)

ZENTRIFUGALVERDICHTER

Title (fr)

COMPRESSEUR CENTRIFUGE

Publication

EP 2955387 A1 20151216 (EN)

Application

EP 13874463 A 20130927

Priority

  • JP 2013020704 A 20130205
  • JP 2013076373 W 20130927

Abstract (en)

A centrifugal compressor includes an impeller configured to discharge a fluid that flows into one side in an axial direction from an outlet that is directed outward in a radial direction, and a casing installed to surround the impeller and having an outlet flow channel configured to increase a pressure of the fluid as the fluid flows downstream while the fluid discharged from the outlet of the impeller flows therethrough, wherein a circulation flow channel having a first opening section connected to the outlet flow channel and a second opening section connected to an upstream side of the first opening section in the outlet flow channel.

IPC 8 full level

F04D 29/44 (2006.01); F04D 29/66 (2006.01)

CPC (source: EP US)

F04D 17/10 (2013.01 - US); F04D 17/122 (2013.01 - EP US); F04D 29/102 (2013.01 - US); F04D 29/284 (2013.01 - US); F04D 29/4206 (2013.01 - US); F04D 29/441 (2013.01 - EP US); F04D 29/681 (2013.01 - EP US); F04D 29/684 (2013.01 - EP US); F05D 2250/52 (2013.01 - EP US)

Designated contracting state (EPC)

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2955387 A1 20151216; EP 2955387 A4 20160907; CN 104822948 A 20150805; JP 2014152637 A 20140825; US 2015354588 A1 20151210; WO 2014122819 A1 20140814

DOCDB simple family (application)

EP 13874463 A 20130927; CN 201380062485 A 20130927; JP 2013020704 A 20130205; JP 2013076373 W 20130927; US 201314759373 A 20130927