SHOWER DEVICE WITH MICROBUBBLE GENERATING MECHANISM

WIPO Patent Application WO/2010/055702

A1

A shower device having a microbubble generating mechanism. The microbubble generating mechanism is provided with a collision member (22) projecting from the inner surface of a flow passage wall (25), and also with a gap forming section (23) formed in a flow passage (FP) so as to be opposed to the front end, with respect to the direction of the projection, of the collision member (22). A bypassing flow passage (251) is formed between the outer peripheral surface of the collision member (22) and the inner surface of the flow passage wall (25). A restriction gap (21G) is formed between the collision member (22) and the gap forming section (23). The restriction gap (21G) restricts flow of water so that the water flows through the restriction gap (21G) at a lower flow rate and a higher flow speed than when flowing through the water bypassing flow passage (251). Owing to the construction above, the microbubble generating mechanism can generate a sufficient amount of bubbles without using a complex air-liquid mixing mechanism and can break up bubbles into finer microbubbles with greatly enhanced effect. As a result, the microbubble generating mechanism can generate a large amount of bubbles, which are in a micro bubble region or a micro-nano bubble region, at a level which has not been achieved by conventional products.

SAKAMOTO YOSHITAKA (JP)
SHIBATA YOSHIKI (JP)

PCT/JP2009/053229

May 20, 2010

February 23, 2009

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SAKAMOTO YOSHITAKA (JP)
SHIBATA CORP (JP)
SHIBATA YOSHIKI (JP)

B01F3/04; A47K3/28; A61H23/00; B01F5/02; B05B1/18

JPH06182262A	1994-07-05
JP2006116518A	2006-05-11
JPH08103641A	1996-04-23
JPS60257825A	1985-12-19
JPH07824T

KONISHI, Tomimasa (JP)
Konishi Tomu -- elegant (JP)

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