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Patent Searching and Data


Title:
SWITCH
Document Type and Number:
WIPO Patent Application WO/2012/086498
Kind Code:
A1
Abstract:
[Problem] To protect a switch or a device on an electric path to which a switch is connected from overheating by an occurrence of an arc, and prevent burn accidents on the electric path to which the switch is connected. [Solution] A switch, comprising a power supply-side terminal which is connected to a DC power supply, and a load-side terminal to which power from the DC power supply is outputted, further comprises: contact points which are inserted in the electric path which connects the power supply-side terminal and the load-side terminal, and which open and close the electric path between the DC power supply and the load; an arc detection circuit which outputs an arc detection signal when an arc discharge which is detected over the electric path is sustained for a prescribed time; and a trip unit, which opens the contact points when the arc detection signal is generated.

Inventors:
ISHIDA TAKEO (JP)
KOUNO KENSUKE (JP)
MAKINO YASUHIRO (JP)
KOMEDA KAZUHITO (JP)
TAKASHIMA YUICHI (JP)
Application Number:
PCT/JP2011/078962
Publication Date:
June 28, 2012
Filing Date:
December 14, 2011
Export Citation:
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Assignee:
SANYO ELECTRIC CO (JP)
KYOKUTO ELECTRIC CO (JP)
KITANI ELECTRIC CO LTD (JP)
ISHIDA TAKEO (JP)
KOUNO KENSUKE (JP)
MAKINO YASUHIRO (JP)
KOMEDA KAZUHITO (JP)
TAKASHIMA YUICHI (JP)
International Classes:
H01H83/02
Foreign References:
JP2001045652A2001-02-16
JP2003317598A2003-11-07
JP2006512037A2006-04-06
JPS628419A1987-01-16
Attorney, Agent or Firm:
ISSHIKI & CO. (JP)
All international patent business corporation (JP)
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Claims: