Title:
FLUID CHARACTERISTIC DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/024886
Kind Code:
A1
Abstract:
The present invention comprises a resonance circuit (8) in which an inductor part (3101) and a capacitor (C1) that is formed by a detection electrode (21) and a ground electrode immersed in a fluid are electrically connected to each other, an excitation signal oscillation unit (3102) that excites the resonance circuit (8) with an excitation signal having a prescribed oscillation frequency, and a control unit (3112) that controls the oscillation frequency so that the phase difference between the excitation signal and the output signal of the resonance circuit (8) maintains a prescribed phase difference, and the present invention detects a characteristic of a fluid from a change in the oscillation frequency.
Inventors:
YOSHIDA TAKAHIRO (JP)
KAMEDA YUKINORI (JP)
DEGUCHI MIKIO (JP)
KAMEDA YUKINORI (JP)
DEGUCHI MIKIO (JP)
Application Number:
PCT/JP2023/027567
Publication Date:
February 01, 2024
Filing Date:
July 27, 2023
Export Citation:
Assignee:
KYB CORP (JP)
NATIONAL INSTITUTE OF TECH (JP)
NATIONAL INSTITUTE OF TECH (JP)
International Classes:
G01N27/22; G01N27/00; G01N27/06
Domestic Patent References:
| WO2009050813A1 | 2009-04-23 |
Foreign References:
| JPH07306172A | 1995-11-21 | |||
| JPH10163898A | 1998-06-19 | |||
| JPH0666860A | 1994-03-11 | |||
| US20040036487A1 | 2004-02-26 |
Attorney, Agent or Firm:
GOTOH & PARTNERS (JP)
Download PDF:
Previous Patent: SECONDARY BATTERY
Next Patent: DISPERSION FOR USE IN MANUFACTURING ELECTROLYTIC CAPACITOR, ELECTROLYTIC CAPACITOR MANUFACTURING MET...
Next Patent: DISPERSION FOR USE IN MANUFACTURING ELECTROLYTIC CAPACITOR, ELECTROLYTIC CAPACITOR MANUFACTURING MET...