Title:
LIQUID CHEMICAL MIXING DEVICE
Document Type and Number:
Japanese Patent JP3890119
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a liquid chemical mixing device capable of diluting.mixing the liquid chemical and a diluent water in a prescribed ratio by a small-sized and simple constitution.
SOLUTION: In the liquid chemical mixing device 1, liquid chemical tanks 2 and 3 respectively storing the liquid chemical A and the liquid chemical B, a forcibly feeding pump 4 sucking up the liquid chemicals A and B and the diluent water, a cock 8 interrupting or communicating a discharging port 6 of the forcibly feeding pump 4 and a spray nozzle 7, suction passages 9 and 10 communicating the liquid chemical tanks 2 and 3 and a suction port 5 of the forcibly feeding pump 4, a water suction passage 11 communicating the suction port 5 of the forcibly feeding pump 4 and a water source of the diluent water W, a flowing back passage 12 communicating the discharging port 6 and the suction port 5 of the forcibly feeding pump 4 and a relief valve 14 communicating the flowing back passage 12 by opening a valve when the cock 8 is opened and interrupting the flowing back passage 12 by closing the valve when the cock 8 is closed in a driving state of the forcibly feeding pump 4 are provided, and a first orifice 20 having an opening diameter of D1 is provided in the water suction passage 11 and second orifices 21 and 22 respectively having the opening diameter of D2 and D3 are provided in the liquid suction passages 9 and 10.
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Inventors:
Kenzo Yamamoto
Application Number:
JP23665597A
Publication Date:
March 07, 2007
Filing Date:
September 02, 1997
Export Citation:
Assignee:
Yamaha Industrial Co., Ltd.
International Classes:
A01C23/04; B05C11/10; B05B7/26; (IPC1-7): B05C11/10; A01C23/04; B05B7/26
Domestic Patent References:
| JP4058839A | ||||
| JP5015334Y2 | ||||
| JP1317327A | ||||
| JP1035223Y2 | ||||
| JP3070986B2 | ||||
| JP9299781A |
Attorney, Agent or Firm:
Katsunori Sugimoto
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