EP 3315786 A1 20180502 - TURBOFAN AND AIR CONDITIONER IN WHICH SAME IS USED
Title (en)
TURBOFAN AND AIR CONDITIONER IN WHICH SAME IS USED
Title (de)
TURBOLÜFTER UND KLIMAANLAGE DAMIT
Title (fr)
TURBOVENTILATEUR ET CLIMATISEUR UTILISANT LEDIT TURBOVENTILATEUR
Publication
Application
Priority
- JP 2015196839 A 20151002
- JP 2016076156 W 20160906
Abstract (en)
A turbofan provided with a hub (10) connected with a drive shaft and driven in a rotating manner, an annular shroud (11) positioned facing the hub (10) and having an air suction opening formed therein, and a plurality of blades (12) having both ends joined between the hub (10) and the shroud (11) so that leading edges (13) on the inner circumferential side are positioned on the rotation direction side of trailing edges (14) on the outer circumferential side, wherein the plurality of blades (12) are configured such that the trailing edges (14) are made into recesses (14A) in the counter-air flow direction relative to joining parts (17, 18) to the hub (10) and the shroud (11).
IPC 8 full level
F04D 29/30 (2006.01); F04D 29/28 (2006.01); F04D 29/66 (2006.01); F24F 1/00 (2011.01)
CPC (source: EP)
F04D 29/281 (2013.01); F04D 29/282 (2013.01); F04D 29/30 (2013.01); F24F 1/00 (2013.01); F05D 2240/303 (2013.01); F05D 2240/304 (2013.01)
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 3315786 A1 20180502; EP 3315786 A4 20180704; CN 107850081 A 20180327; CN 107850081 B 20191001; JP 2017067056 A 20170406; JP 6642913 B2 20200212; WO 2017056874 A1 20170406
DOCDB simple family (application)
EP 16851050 A 20160906; CN 201680042586 A 20160906; JP 2015196839 A 20151002; JP 2016076156 W 20160906