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1. EP3660876 - SPLITTER PLATE, ARC EXTINGUISHING CHAMBER AND SWITCHING DEVICE

Office European Patent Office
Application Number 18209174
Application Date 29.11.2018
Publication Number 3660876
Publication Date 03.06.2020
Publication Kind A1
IPC
H01H 9/36
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
9Details of switching devices, not covered by groups H01H1/-H01H7/104
30Means for extinguishing or preventing arc between current-carrying parts
34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
36Metal parts
CPC
H01H 1/20
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
1Contacts
12characterised by the manner in which co-operating contacts engage
14by abutting
20Bridging contacts
H01H 9/36
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
9Details of switching devices, not covered by groups H01H1/00 - H01H7/00
30Means for extinguishing or preventing arc between current-carrying parts
34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
36Metal parts
H01H 9/362
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
9Details of switching devices, not covered by groups H01H1/00 - H01H7/00
30Means for extinguishing or preventing arc between current-carrying parts
34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
36Metal parts
362Mounting of plates in arc chamber
H01H 73/045
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
73Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
02Details
04Contacts
045Bridging contacts
H01H 73/18
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
73Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
02Details
18Means for extinguishing or suppressing arc
H01H 2009/365
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
9Details of switching devices, not covered by groups H01H1/00 - H01H7/00
30Means for extinguishing or preventing arc between current-carrying parts
34Stationary parts for restricting or subdividing the arc, e.g. barrier plate
36Metal parts
365using U-shaped plates
Applicants ABB SCHWEIZ AG
Inventors JOHANSSON GUNNAR
KARLÉN DAVID
ANGELL MARKUS
NILSSON ALFRED
Designated States
Priority Data 18209174 29.11.2018 EP
Title
(DE) TEILERVORRICHTUNG, LICHTBOGENLÖSCHKAMMER UND SCHALTVORRICHTUNG
(EN) SPLITTER PLATE, ARC EXTINGUISHING CHAMBER AND SWITCHING DEVICE
(FR) PLAQUE DE SÉPARATION, CHAMBRE D'EXTINCTION D'ARC ET DISPOSITIF DE COMMUTATION
Abstract
(EN)
A splitter plate (14) for an arc extinguishing chamber (12) in a switching device (10), the splitter plate (14) comprising a base portion (40); a pair of arms (30) extending from the base portion (40); a recess (34) for a movable contact (18) defined between the arms (30); and a slot (32) in each arm (30); wherein the recess (34) is arranged between the slots (32). An arc extinguishing chamber (12) for a switching device (10) is also provided. A switching device (10) for breaking an electric current, the switching device (10) comprising a plurality of splitter plates (14) or an arc extinguishing chamber (12) is also provided.

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