Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
DRUM TYPE WASHING MACHINE
Document Type and Number:
WIPO Patent Application WO/2010/092886
Kind Code:
A1
Abstract:
A drum type washing machine provided with a suspension (7) for supporting in a vibration-isolated manner a water tub (6) which contains a drum (10).  The suspension (7) is provided with a cylinder (24); a field generating device (36) affixed to the inside of the cylinder (24) and variably generating a magnetic field; an upper yoke (37) and a lower yoke (35) which are arranged on both sides of the field generating device (36) in the axis direction thereof; a shaft (22) penetrating through and supported by the field generating device (36), the upper yoke (37), and the lower yoke(35) so as to be able to reciprocate in the axis direction relative to the field generating device (36), the upper yoke (37), and the lower yoke (35); a magnetic viscous fluid (40) filled into the space between the shaft (22) and the field generating device (36) and into the spaces located near the above-described space, at positions between the shaft (22) and both the yokes (35, 37); and a seal member (34) located below the field generating device (36), affixed to the inside of the cylinder (24), and in close contact with the outer peripheral surface of the shaft (22) to prevent the magnetic viscous fluid (40) from leaking.

Inventors:
KAWABATA SHINICHIRO (JP)
KANEDA YOSHINORI (JP)
Application Number:
PCT/JP2010/051401
Publication Date:
August 19, 2010
Filing Date:
February 02, 2010
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOSHIBA KK (JP)
TOSHIBA CONSUMER ELECT HOLDING (JP)
TOSHIBA HOME APPLIANCES CORP (JP)
KAWABATA SHINICHIRO (JP)
KANEDA YOSHINORI (JP)
International Classes:
D06F37/22; D06F23/06; D06F37/20; F16F9/53; F16F15/03
Foreign References:
JP2005245578A2005-09-15
JP2002502942A2002-01-29
JPH0819687A1996-01-23
JP2005291338A2005-10-20
Other References:
None
See also references of EP 2397597A4
Attorney, Agent or Firm:
SATO INTERNATIONAL PATENT FIRM (JP)
Patent business corporation Satow international patent firm (JP)
Download PDF: