EP 2090787 A1 20090819 - BOSS STRUCTURE OF IMPELLER OF BLOWER AND IMPELLER OF BLOWER HAVING SAME
Title (en)
BOSS STRUCTURE OF IMPELLER OF BLOWER AND IMPELLER OF BLOWER HAVING SAME
Title (de)
NABENSTRUKTUR FÜR LÜFTERLAUFRAD UND LÜFTERLAUFRAD DAMIT
Title (fr)
STRUCTURE DE BOSSAGE DE TURBINE DE SOUFFLEUR ET TURBINE DE SOUFFLEUR AYANT CELLE-CI
Publication
Application
Priority
- JP 2007071617 W 20071107
- JP 2006308291 A 20061114
Abstract (en)
To provide a boss structure of an impeller of a blower that is capable of improving the strength of the impeller and an impeller of a blower equipped with the boss structure. A boss structure (1) is a boss structure to which a rotating shaft (106) of a motor (105) that drives an impeller (100) of a blower to rotate is pivotally attached, and the boss structure (1) comprises: a hub (10) that includes a cylindrical portion (12) that extends in the rotating shaft direction; a vibration isolation member (20) that sandwiches the cylindrical portion (12) from both sides in a radial direction; a first boss (31) that supports a portion of the vibration isolation member (20) that contacts one radial direction side of the cylindrical portion (12), the rotating shaft (106) being pivotally attached to the first boss (31); and a second boss (32) that supports a portion of the vibration isolation member (20) that contacts the other radial direction side of the cylindrical portion (12), the second boss (32) integrally rotating with the first boss (31).
IPC 8 full level
F04D 29/28 (2006.01); F04D 29/66 (2006.01)
CPC (source: EP)
F04D 29/283 (2013.01); F04D 29/668 (2013.01)
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
EP 2090787 A1 20090819; EP 2090787 A4 20130918; EP 2090787 B1 20200101; CN 101542127 A 20090923; CN 101542127 B 20100929; ES 2779524 T3 20200818; JP 2008121610 A 20080529; JP 4063308 B1 20080319; WO 2008059738 A1 20080522
DOCDB simple family (application)
EP 07831348 A 20071107; CN 200780041744 A 20071107; ES 07831348 T 20071107; JP 2006308291 A 20061114; JP 2007071617 W 20071107