EP 3196476 A1 20170726 - IMPELLER, CENTRIFUGAL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
Title (en)
IMPELLER, CENTRIFUGAL COMPRESSOR AND REFRIGERATION CYCLE APPARATUS
Title (de)
LAUFRAD, RADIALVERDICHTER UND KÄLTEKREISLAUFVORRICHTUNG
Title (fr)
ROUE, COMPRESSEUR CENTRIFUGE ET APPAREIL À CYCLE DE RÉFRIGÉRATION
Publication
Application
Priority
JP 2016011785 A 20160125
Abstract (en)
An impeller for a centrifugal compressor according to the present disclosure includes a hub (20) and wings (21). Each of the wings has a leading edge portion (24) and a body portion (25). A tip (35) of the leading edge portion and a tip (36) of the body portion extend from the foremost part of the hub toward the aftmost part of the hub on a side opposite to a side (37) where the wing is in contact with the hub (20). In a plan view of the wing seen from a radial direction perpendicular to an axis (O) of the impeller, a profile of the tip (35) of the leading edge portion (24) has a linear shape and a profile of the tip (36) of the body portion (25) has a curved shape.
IPC 8 full level
F04D 29/28 (2006.01); F04D 29/30 (2006.01)
CPC (source: CN EP US)
F01D 5/048 (2013.01 - EP US); F04D 29/22 (2013.01 - CN); F04D 29/242 (2013.01 - CN); F04D 29/284 (2013.01 - EP US); F04D 29/30 (2013.01 - EP US); F25B 1/053 (2013.01 - US); F25B 1/10 (2013.01 - CN US); F05D 2240/307 (2013.01 - EP US); F05D 2250/71 (2013.01 - EP US)
Citation (applicant)
- WO 2014073377 A1 20140515 - MITSUBISHI HEAVY IND LTD [JP], et al
- WO 2014199498 A1 20141218 - MITSUBISHI HEAVY IND LTD [JP], et al
- JP 2011117346 A 20110616 - MITSUBISHI HEAVY IND LTD
- US 2008229742 A1 20080925 - RENAUD PHILIPPE [FR], et al
- COLIN OSBORNE ET AL.: "AERODYNAMIC AND MECHANICAL DESIGN OF AN 8:1 PRESSURE RATIO CENTRIFUGAL COMPRESSOR", NASA CR-134782, April 1975 (1975-04-01)
Citation (search report)
- [XA] US 3904308 A 19750909 - RIBAUD YVES
- [XA] GB 594538 A 19471113 - BRITISH THOMSON HOUSTON CO LTD, et al
- [A] CN 204312394 U 20150506 - HUNAN TYEN MACHINERY CO LTD
- [A] WO 2013093479 A2 20130627 - VENUS SYSTEMS LTD, et al
- [A] GB 210353 A 19240131
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 3196476 A1 20170726; CN 106996391 A 20170801; JP 2017133498 A 20170803; US 2017211584 A1 20170727
DOCDB simple family (application)
EP 17152121 A 20170119; CN 201611101833 A 20161205; JP 2016242981 A 20161215; US 201715411885 A 20170120