Title:
FAN CONTROL SYSTEM, FAN SYSTEM, ACTIVE INGREDIENT GENERATION SYSTEM, FAN CONTROL METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/229892
Kind Code:
A1
Abstract:
A fan control system according to the present disclosure is provided with a control unit for selecting a control mode from among a plurality of control modes including a first mode and a second mode. The first mode is a control mode for providing an electrical signal to a fan motor so that the fan motor operates at a first rotational speed. The second mode is a control mode for providing an electrical signal to the fan motor so that the fan motor operates at a second rotational speed lower than the first rotational speed. The control unit has a function of selecting the second mode in a period after the fan motor is started up and until the first mode is selected.
Inventors:
KAWASAKI MOTOJI
HIRAI KOUITI
ITO MIKIO
URATANI YUTAKA
HIRAI KOUITI
ITO MIKIO
URATANI YUTAKA
Application Number:
PCT/JP2021/007146
Publication Date:
November 18, 2021
Filing Date:
February 25, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02P6/20; H02P29/20; H02P29/68
Foreign References:
| JP2013072388A | 2013-04-22 | |||
| JP2017099112A | 2017-06-01 | |||
| JP2003219698A | 2003-07-31 | |||
| JPS61106079A | 1986-05-24 | |||
| JPH07222480A | 1995-08-18 | |||
| JP2014059105A | 2014-04-03 | |||
| JP2013063009A | 2013-04-04 |
Other References:
See also references of EP 4152595A4
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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