Title:
ラインプロポーショナー
Document Type and Number:
Japanese Patent JP7221103
Kind Code:
B2
Abstract:
To provide a line proportioner capable of showing a planned performance, even if required pressure-flow rate are somewhat different from a design specification.SOLUTION: A line proportioner 1 includes an introduction route 3 for introducing fire extinguishing water, a throat part 5 continuing to the introduction route 3, and reduced in diameter more than the introduction route 3, an expansion route 7 formed continuously to the throat part 5, and expanded toward the downstream side, and a medicine supply part 9 for supplying a medicine to the throat part 5, and further has a flow passage area adjustment member 11 provided on the throat part 5 or an upstream side thereof, for adjusting a flow passage area of the throat part 5.SELECTED DRAWING: Figure 1
Inventors:
Koji Sato
Application Number:
JP2019055935A
Publication Date:
February 13, 2023
Filing Date:
March 25, 2019
Export Citation:
Assignee:
Nomi Disaster Prevention Co., Ltd.
International Classes:
A62C5/02
Domestic Patent References:
| JP6285180A | ||||
| JP12000641Y1 | ||||
| JP49027016Y1 | ||||
| JP59030257U | ||||
| JP6277481A | ||||
| JP2006095004A | ||||
| JP2010213823A | ||||
| JP3102292U | ||||
| JP4070052U | ||||
| JP50137196U | ||||
| JP58185172A | ||||
| JP1167267U | ||||
| JP4074552U |
Attorney, Agent or Firm:
Toshihiko Ishikawa