Title:
LIQUID SENSOR AND HYDRAULIC UNIT
Document Type and Number:
WIPO Patent Application WO/2020/230855
Kind Code:
A1
Abstract:
A liquid sensor (30) according to the present disclosure comprises a light receiving part (33) for receiving light. The light receiving part (33) is attachable to the outside of a light-transmitting container section (20) to which a liquid is introduced. The light receiving part (33) receives light that has passed through the liquid in the container section (20) or light that has been reflected by the liquid in the container section (20), and outputs a signal related to the physical quantity of the liquid.
Inventors:
SEIKE HIKARU (JP)
NAKAMURA HIROKAZU (JP)
INOUE MINEO (JP)
AYADO KENJI (JP)
NAKAMURA HIROKAZU (JP)
INOUE MINEO (JP)
AYADO KENJI (JP)
Application Number:
PCT/JP2020/019288
Publication Date:
November 19, 2020
Filing Date:
May 14, 2020
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
G01F23/02; G01F23/292; G01N21/03; G01N21/27
Foreign References:
| JP2015232582A | 2015-12-24 | |||
| JP2010002203A | 2010-01-07 | |||
| JP2017198549A | 2017-11-02 | |||
| JP2005156297A | 2005-06-16 | |||
| JP2009002861A | 2009-01-08 | |||
| US20090216464A1 | 2009-08-27 | |||
| JPS506387Y1 | 1975-02-24 | |||
| CN204374083U | 2015-06-03 | |||
| JP2015232582A | 2015-12-24 |
Other References:
See also references of EP 3971539A4
Attorney, Agent or Firm:
YAMAO, Norihito et al. (JP)
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