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Title:
NOZZLE
Document Type and Number:
WIPO Patent Application WO/2017/208980
Kind Code:
A1
Abstract:
Provided is a nozzle with an improved atomization function and anticlogging function. The nozzle is provided with a nozzle main body and a closer accommodated in the nozzle main body. The nozzle main body is provided with a spray side wall through which a spray hole passes in the center thereof and an outer peripheral wall, and the closer is accommodated in a space surrounded by inner peripheral surfaces of the spray side wall and the outer peripheral wall of the nozzle main body. The constitution is such that: a large diameter inflow opening for the spray hole in the nozzle main body is provided in the center part of the inflow side inner surface of the spray side wall or in the center part of the spray side end surface of the closer, and an inner peripheral end of an arc shaped circling channel provided at an outer peripheral step part surrounding the large diameter inflow opening is opened to the large diameter inflow opening and the outer peripheral end of the circling channel is opened to a liquid path provided on the outer periphery of the closer, thereby spraying a mist of circling liquid flowing in the circling channel from the spray hole; and an orifice having a width and depth of dimension L1 is provided on the inside end of the circling channel, with dimension L1 being the same as the dimension for the smallest diameter part of the spray hole.

Inventors:
KOTANI, Harufumi (15-15, Awaza 1-chome, Nishi-ku, Osaka-sh, Osaka 11, 〒5500011, JP)
ISHIO, Naohiro (15-15, Awaza 1-chome, Nishi-ku, Osaka-sh, Osaka 11, 〒5500011, JP)
Application Number:
JP2017/019629
Publication Date:
December 07, 2017
Filing Date:
May 25, 2017
Export Citation:
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Assignee:
H. IKEUCHI & CO., LTD. (15-15, Awaza 1-chome Nishi-ku, Osaka-sh, Osaka 11, 〒5500011, JP)
International Classes:
B05B1/34; A01C23/00
Attorney, Agent or Firm:
OWADA, Kazumi (902 2-8, Dojima 2-chome Kita-ku, Osaka-sh, Osaka 03, 〒5300003, JP)
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