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1. WO2016174569 - DEVICE FOR SENSING THE ELECTRICAL CONDUCTIVITY OF A LIQUID, PARTICULARLY THAT OF THE WASHING BATH IN A WASHING MACHINE

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Publication Number WO/2016/174569
Publication Date 03.11.2016
International Application No. PCT/IB2016/052345
International Filing Date 26.04.2016
IPC
G01N 27/07 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
02by investigating impedance
04by investigating resistance
06of a liquid
07Construction of measuring vessels; Electrodes therefor
D06F 39/00 2006.01
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39Details of washing machines not specific to a single type of machines covered by groups D06F9/-D06F27/140
G01R 27/22 2006.01
GPHYSICS
01MEASURING; TESTING
RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
27Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
02Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
22Measuring resistance of fluids
D06F 39/08 2006.01
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39Details of washing machines not specific to a single type of machines covered by groups D06F9/-D06F27/140
08Liquid supply or discharge arrangements
CPC
D06F 34/22
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
34Details of control systems for washing machines, washer-dryers or laundry dryers
14Arrangements for detecting or measuring specific parameters
22Condition of the washing liquid, e.g. turbidity
D06F 39/02
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
02Devices for adding soap or other washing agents
D06F 39/081
DTEXTILES; PAPER
06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
39Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
08Liquid supply or discharge arrangements
081Safety arrangements for preventing water damage
G01F 23/241
GPHYSICS
01MEASURING; TESTING
FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
23Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
22by measurement of physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
24by measuring variations of resistance of resistors due to contact with conductor fluid
241for discrete levels
G01N 27/06
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
02by investigating impedance
04by investigating resistance
06of a liquid
G01N 27/07
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
02by investigating impedance
04by investigating resistance
06of a liquid
07Construction of measuring vessels; Electrodes therefor
Applicants
  • BITRON S.P.A. [IT]/[IT]
Inventors
  • ARPINO, Fabio
Agents
  • QUINTERNO, Giuseppe
Priority Data
10201500001320927.04.2015IT
Publication Language English (EN)
Filing Language Italian (IT)
Designated States
Title
(EN) DEVICE FOR SENSING THE ELECTRICAL CONDUCTIVITY OF A LIQUID, PARTICULARLY THAT OF THE WASHING BATH IN A WASHING MACHINE
(FR) DISPOSITIF POUR DÉTECTER LA CONDUCTIVITÉ ÉLECTRIQUE D'UN LIQUIDE, EN PARTICULIER CELLE DU BAIN DE LAVAGE DANS UNE MACHINE À LAVER
front page image
Abstract
(EN)
The device (1) comprises an electrically insulating supporting casing (2) through which first and second electrodes (A, B) intended to contact the washing bath extend to the outside, electrical power supply and signal acquisition and processing circuit devices (4) housed at least in part in the supporting casing (2) and coupled to the electrodes (A, B), and signal coupling and galvanic isolation devices, interposed between these circuit devices (4) and the electrodes (A, B) and also housed in the casing (2), and comprising at least a first and a second capacitor (C), each of which is interconnected in series between one of the electrodes (A, B) and a corresponding terminal (9, 10) of the circuit means (4).
(FR)
L'invention concerne un dispositif (1) qui comprend un boîtier de support électriquement isolant (2) à travers lequel des première et seconde électrodes (A, B) destinées à entrer en contact avec le bain de lavage s'étendent vers l'extérieur, une alimentation électrique et des dispositifs de circuit d'acquisition et de traitement de signal (4) logés au moins en partie dans le boîtier de support (2) et couplés aux électrodes (A, B), et des dispositifs de couplage de signaux et d'isolation galvanique, interposés entre les dispositifs de circuit (4) et les électrodes (A, B) et également logés dans le boîtier (2), et comprenant au moins un premier et un second condensateur (C), dont chacun est interconnecté en série entre l'une des électrodes (A, B) et une borne correspondante (9, 10) du circuit (4).
Also published as
EP3289342
IT102015000013209
KR1020170141211
US20180044838
Latest bibliographic data on file with the International Bureau
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