Title:
PROJECTION VIDEO DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/198278
Kind Code:
A1
Abstract:
The present invention relates to a projection video display device with which, even when the inlet of any of a plurality of ducts is clogged, it is assured that a cooling air passage will be provided to the duct with the clogged inlet. A projection video display device 100 according to an embodiment comprises: a heat generating member in the form of either an optical or electronic component; a plurality of cooling fans 121-127 for cooling the heat from the heat generating member; and a plurality of ducts 201-203 serving as cooling air passages, each duct storing at least one of the plurality of cooling fans 121-127, at least two of the ducts being arranged adjacent to each other. Adjacent ones of the ducts have an opening 221-223 in the wall therebetween.
Inventors:
SANO KENTARO (JP)
KATAYAMA TAKESHI (JP)
KATAYAMA TAKESHI (JP)
Application Number:
PCT/JP2017/016787
Publication Date:
November 01, 2018
Filing Date:
April 27, 2017
Export Citation:
Assignee:
MAXELL LTD (JP)
International Classes:
G03B21/16; G03B21/00
Foreign References:
| JP2014048354A | 2014-03-17 | |||
| JP2013125221A | 2013-06-24 | |||
| JP2003021870A | 2003-01-24 | |||
| JP2008209463A | 2008-09-11 | |||
| JP2003005281A | 2003-01-08 | |||
| JP2002152634A | 2002-05-24 | |||
| JP2012008179A | 2012-01-12 | |||
| US20110157560A1 | 2011-06-30 | |||
| US20140092368A1 | 2014-04-03 |
Attorney, Agent or Firm:
TSUTSUI & ASSOCIATES (JP)
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