Title:
SHOWER HEAD
Document Type and Number:
WIPO Patent Application WO/2014/057660
Kind Code:
A1
Abstract:
A shower head comprises: a head body in which an introduction flow passage is formed and which is provided with a gas-liquid mixing section for sucking gas and mixing the gas as gas bubbles into hot water; a water spray plate which has a flat plate-like portion, has water spray holes formed therein so as to penetrate through the flat plate-like portion in the plate thickness direction, and is mounted to the head body at a position on the outside of the outlet of the introduction flow passage; and a discharge flow passage which is formed between the head body and the water spray plate and which is disposed parallel to the water spray plate. The introduction flow passage has an expanding flow passage section on the outlet side, and the cross-sectional area of the expanding flow passage section gradually increases toward the outlet. The discharge flow passage is disposed so as to be substantially perpendicular to the portion of the introduction flow passage which is located on the outlet side. The inlet of the discharge flow passage has a cross-sectional area which causes the volume of hot water which flows into the discharge flow passage per unit time is less than or equal to the volume of hot water which passes through per unit time the portion of the introduction flow passage which does not include the expanding flow passage section.
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Inventors:
MAEDA YASUNARI
ITOU YOSHIHIRO
SHIBATA NAOKI
AKITA TOMOHIRO
ITOU YOSHIHIRO
SHIBATA NAOKI
AKITA TOMOHIRO
Application Number:
PCT/JP2013/006001
Publication Date:
April 17, 2014
Filing Date:
October 08, 2013
Export Citation:
Assignee:
PANASONIC CORP (JP)
International Classes:
B05B1/02; A47K3/28; B05B1/18
Foreign References:
| JPH0660448U | 1994-08-23 | |||
| JPH0526151U | 1993-04-06 | |||
| JP2012187347A | 2012-10-04 | |||
| JP2012082591A | 2012-04-26 | |||
| US6739527B1 | 2004-05-25 | |||
| US20070200013A1 | 2007-08-30 | |||
| JP2009178661A | 2009-08-13 |
Other References:
See also references of EP 2907431A4
Attorney, Agent or Firm:
NISHIZAWA, TOSHIO (JP)
Toshio Nishizawa (JP)
Toshio Nishizawa (JP)
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