Title:
SYSTEM, METHOD, AND COMPUTER PROGRAM FOR CONTROLLING EJECTION OF CHEMICALS
Document Type and Number:
WIPO Patent Application WO/2019/208606
Kind Code:
A1
Abstract:
[Problem] To accurately control the ejection of chemicals and increase the safety of the ejection of the chemicals in an agricultural machine for spraying the chemicals. [Solution] This system, which is for controlling the ejection of chemicals and is provided in an agricultural machine that has a chemical tank and a chemical ejection port and sprays chemicals, has a plurality of sensors and detects the discharge amount of the chemicals by means of the sensors. The sensors may be any among: pressure sensors for measuring the ejection pressure of the chemicals; pressure sensors provided in the vicinity of a pump and measuring the ejection pressure of the chemicals ejected downstream; pump sensors for measuring the rotation speed of a rotor inside the pump; and flow sensors for measuring the flow rate of the chemicals.
Inventors:
WAKE CHIHIRO (JP)
YANAGISHITA HIROSHI (JP)
YANAGISHITA HIROSHI (JP)
Application Number:
PCT/JP2019/017340
Publication Date:
October 31, 2019
Filing Date:
April 24, 2019
Export Citation:
Assignee:
NILEWORKS INC (JP)
International Classes:
A01M7/00; B05B12/08; B05B17/00; B64C39/02; B64D1/16; F04B49/06
Foreign References:
| JP2012060899A | 2012-03-29 | |||
| JPS57159981A | 1982-10-02 | |||
| JP2014523499A | 2014-09-11 | |||
| JP3756063B2 | 2006-03-15 | |||
| KR101845324B1 | 2018-04-04 | |||
| KR20170016774A | 2017-02-14 |
Attorney, Agent or Firm:
KASUKAWA Toshio (JP)
Download PDF: