Title:
SPRINKLER APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/201245
Kind Code:
A1
Abstract:
Provided is a sprinkler apparatus with which it is possible to maintain rotation torque by spray flow and to sprinkle water evenly over a wide range. This sprinkler apparatus 10 is configured so as to have piping 30 and a plurality of spray units 35. A spray opening 37 that sprays water is formed in each spray unit 35. At least one of the spray openings 37 is positioned facing horizontally. The piping 30 rotates due to the spray flow of water from the spray opening 37 positioned facing horizontally. A diffusion plate 40 that diffuses the spray water is attached to each of the spray units 35, each diffusion plate 40 having: a base part 50 fixed to a side part 38 below the spray unit 35, the base part 50 extending in the spray direction of the water; and a curved surface part 60 that is curved so as to reach from the base part 50 through the center of the spray opening 37 to a spray axis center C extending in the spray direction of the water, the curved surface part 60 extending in the spray direction of the water.
Inventors:
KURINAMI TOMOKI (JP)
AKINAGA MASATOSHI (JP)
TANAKA KAZUHIRO (JP)
SHIMIZU FUMIO (JP)
AKINAGA MASATOSHI (JP)
TANAKA KAZUHIRO (JP)
SHIMIZU FUMIO (JP)
Application Number:
PCT/JP2021/014215
Publication Date:
October 07, 2021
Filing Date:
April 01, 2021
Export Citation:
Assignee:
METAWATER CO LTD (JP)
KYUSHU INST TECH (JP)
KYUSHU INST TECH (JP)
International Classes:
C02F3/04; B05B3/06
Domestic Patent References:
| WO2012161339A1 | 2012-11-29 |
Foreign References:
| FR2364066A1 | 1978-04-07 | |||
| GB268576A | 1927-04-07 | |||
| FR1082144A | 1954-12-27 | |||
| JPS5539150A | 1980-03-18 | |||
| EP1426087A1 | 2004-06-09 |
Attorney, Agent or Firm:
SATO & ASSOCIATES (JP)
Download PDF: