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1. WO2011121943 - TURBOFAN AND INDOOR AIR CONDITIONER EQUIPPED WITH SAME

Publication Number WO/2011/121943
Publication Date 06.10.2011
International Application No. PCT/JP2011/001718
International Filing Date 24.03.2011
IPC
F04D 29/30 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially adapted for elastic fluids
28for centrifugal or helico-centrifugal pumps
30Vanes
CPC
F04D 29/281
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
28for centrifugal or helico-centrifugal pumps ; for radial-flow or helico-centrifugal pumps
281for fans or blowers
F04D 29/30
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
DNON-POSITIVE-DISPLACEMENT PUMPS
29Details, component parts, or accessories
26Rotors specially for elastic fluids
28for centrifugal or helico-centrifugal pumps ; for radial-flow or helico-centrifugal pumps
30Vanes
F05D 2240/304
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2240Components
20Rotors
30Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
304related to the trailing edge of a rotor blade
F05D 2250/294
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
2250Geometry
20Three-dimensional
29machined; miscellaneous
294grooved
Applicants
  • 三菱電機株式会社 Mitsubishi Electric Corporation [JP]/[JP] (AllExceptUS)
  • 池田 尚史 IKEDA, Takashi (UsOnly)
  • 田所 敬英 TADOKORO, Takahide (UsOnly)
  • 高木 昌彦 TAKAGI, Masahiko (UsOnly)
  • 栗原 誠 KURIHARA, Makoto (UsOnly)
Inventors
  • 池田 尚史 IKEDA, Takashi
  • 田所 敬英 TADOKORO, Takahide
  • 高木 昌彦 TAKAGI, Masahiko
  • 栗原 誠 KURIHARA, Makoto
Agents
  • 小林 久夫 KOBAYASHI, Hisao
Priority Data
2010-07405229.03.2010JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) TURBOFAN AND INDOOR AIR CONDITIONER EQUIPPED WITH SAME
(FR) TURBOSOUFFLANTE ET CLIMATISEUR D'INTÉRIEUR ÉQUIPÉ DE CELLE-CI
(JA) ターボファン及びこれを装備した空気調和機の室内機
Abstract
(EN) Disclosed is an indoor air conditioner (100) equipped with a turbofan (1). The turbofan is made up of blades (4), which have formed, near a blade following edge (4b) on a blade perimeter surface (4c) of the blades (4), a plurality of following edge horizontal grooves (5) of a prescribed length (L2) that reach the blade following edge (4b) in a horizontal direction (within a plane perpendicular to the center of rotation (O)). The following edge horizontal grooves (5) incorporate groove recesses (5a) of a prescribed depth in the blade perimeter surface (4c), and groove communicating parts (5b), which are formed on the terminus of the blade following edge (4b), and which connect to the groove recesses (5a). The following edge horizontal grooves (5) are formed so as to be within the range of a distance (H1) upward from a main shroud (2) and within the range of a distance (H2) downward from a shroud (3).
(FR) L'invention concerne un climatiseur (100) d'intérieur équipé d'une turbosoufflante (1). La turbosoufflante est constituée d'aubes (4) sur lesquelles sont formées, près d'un bord de fuite (4b) d'aube sur une surface (4c) périphérique desdites aubes (4), une pluralité de rainures horizontales (5) de bord de fuite d'une longueur (L2) prescrite, qui atteignent le bord de fuite (4b) d'aube dans une direction horizontale (au sein d'un plan perpendiculaire au centre (O) de rotation). Les rainures horizontales (5) de bord de fuite incorporent des évidements (5a) de rainures d'une profondeur prescrite dans la surface (4c) périphérique des aubes, ainsi que des parties (5b) de mise en communication des rainures, qui sont formées à la terminaison du bord de fuite (4b) d'aube et qui se raccordent aux évidements (5a) de rainures. Les rainures horizontales (5) de bord de fuite sont formées de manière à se situer dans la limite d'une distance (H1) au-dessus d'un carénage principal (2) et dans la limite d'une distance (H2) au-dessous d'un carénage (3).
(JA)  室内機100が搭載するターボファン1を形成する羽根4は、羽根4の羽根外周面4cで羽根後縁部4bの近くに、水平方向(回転中心Oに垂直な面内)で羽根後縁部4bに到達する所定長さL2の後縁水平溝5が複数形成されている。後縁水平溝5は羽根外周面4cにおける所定深さの溝凹部5aと、溝凹部5aに連続して羽根後縁部4bの終端に形成された溝連通部5bとが合体したものである。後縁水平溝5は主板2から上方に距離H1の範囲と、シュラウド3から下方に距離H2の範囲とに形成されている。
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