Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BLOWER AND AIR CONDITIONING MACHINE
Document Type and Number:
WIPO Patent Application WO/2016/013096
Kind Code:
A1
Abstract:
A blower according to the present invention is provided with a blast fan, a motor that rotationally drives the blast fan, and a rotation shaft that is connected to the fan via a vibration prevention member and transmits rotation force of the motor to the fan, wherein the vibration prevention member is an elastic member connecting a metallic inner cylinder provided to the rotation shaft and a metallic outer cylinder provided to the blast fan, and an outer circumferential portion of the inner cylinder and/or an inner circumferential portion of the outer cylinder has a polygonal shape when viewed in a rotation shaft direction. According to the present invention, the rotation force received by the vibration prevention member acts as a compression stress on a bonding interface between the vibration prevention member and the metal. Therefore, it is possible to reduce a shear stress to the bonding interface between the vibration prevention member and the metal and reduce an excessive stress due to stress concentration.

Inventors:
OBARA Hideshi (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
YONEKURA Koji (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
YONEYAMA Hiroyasu (INC. 16-1, Kaigan 1-chome, Minato-k, Tokyo 22, 〒1050022, JP)
Application Number:
JP2014/069636
Publication Date:
January 28, 2016
Filing Date:
July 25, 2014
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI APPLIANCES, INC. (16-1, Kaigan 1-chome Minato-k, Tokyo 22, 〒1050022, JP)
International Classes:
F04D29/28; F04D25/08
Foreign References:
JPH10159792A1998-06-16
JP2003286997A2003-10-10
JP2012002165A2012-01-05
JPH0510799U1993-02-12
JPH1162891A1999-03-05
US5938405A1999-08-17
Other References:
See also references of EP 3173628A4
Attorney, Agent or Firm:
INOUE Manabu et al. (6-1, Marunouchi 1-chome, Chiyoda-k, Tokyo 20, 〒1008220, JP)
Download PDF: