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1. WO2020072802 - SYSTEM AND METHOD FOR MONITORING THE STATUS OF ONE OR MORE COMPONENTS OF AN ELECTRICAL MACHINE

Publication Number WO/2020/072802
Publication Date 09.04.2020
International Application No. PCT/US2019/054542
International Filing Date 03.10.2019
IPC
H01R 39/58 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
39Rotary current collectors, distributors or interrupters
02Details
58Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
CPC
G01B 21/22
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
21Measuring arrangements or details thereof in so far as they are not adapted to particular types of measuring means of the preceding groups
22for measuring angles or tapers; for testing the alignment of axes
H01R 39/26
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
39Rotary current collectors, distributors or interrupters
02Details ; for dynamo electric machines
18Contacts for co-operation with commutator or slip-ring, e.g. contact brush
26Solid sliding contacts, e.g. carbon brush
H01R 39/38
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
39Rotary current collectors, distributors or interrupters
02Details ; for dynamo electric machines
38Brush holders
H01R 39/58
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
39Rotary current collectors, distributors or interrupters
02Details ; for dynamo electric machines
58Means structurally associated with the current collector for indicating condition thereof, e.g. for indicating brush wear
H02K 11/20
HELECTRICITY
02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
KDYNAMO-ELECTRIC MACHINES
11Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
20for measuring, monitoring, testing, protecting or switching
Applicants
  • CUTSFORTH, INC. [US]/[US]
Inventors
  • CUTSFORTH, Robert S.
  • CUTSFORTH, Dustin L.
  • BRUEY, Douglas Christopher
  • SCHAAF, Michael Lee
  • HARRISON, David William Drury
Agents
  • BURGMAIER, Jason W.
Priority Data
62/741,15204.10.2018US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEM AND METHOD FOR MONITORING THE STATUS OF ONE OR MORE COMPONENTS OF AN ELECTRICAL MACHINE
(FR) SYSTÈME ET PROCÉDÉ POUR SURVEILLER L'ÉTAT D'UN OU PLUSIEURS COMPOSANT(S) D'UNE MACHINE ÉLECTRIQUE
Abstract
(EN)
A system for monitoring the wear state of a carbon brush of a brush holder assembly in which the length of the carbon brush is diminished from an initial length as an end of the carbon brush wears away during use. The system includes a wear state monitor, including a sensor, coupled to the carbon brush. The wear state monitor is configured to rotate as the length of the carbon brush diminishes. The sensor is configured to measure an angular displacement of the wear state monitor as the wear state monitor rotates. The measured angular displacement of the wear state monitor correlates to an amount of diminution in the length of the carbon brush.
(FR)
L'invention concerne un système pour surveiller l'état d'usure d'un balai en carbone d'un ensemble porte-balai, dans lequel la longueur du balai en carbone diminue à partir d'une longueur initiale à mesure qu'une extrémité du balai en carbone s'use, à l'utilisation. Le système comprend un moniteur d'état d'usure comprenant un capteur couplé au balai en carbone. Le moniteur d'état d'usure est conçu pour tourner à mesure que la longueur du balai en carbone diminue. Le capteur est configuré pour mesurer un déplacement angulaire du moniteur d'état d'usure à mesure que le moniteur d'état d'usure tourne. Le déplacement angulaire mesuré du moniteur d'état d'usure est en corrélation avec une quantité de diminution de la longueur du balai en carbone.
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