Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Reexamination Certificate
2011-07-19
2011-07-19
Luebke, Renee (Department: 2833)
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
Reexamination Certificate
active
07982142
ABSTRACT:
A diverter switch with an operating member and an electric circuit. The electric circuit has a main branch and a resistance branch connected in parallel with the main branch. Each branch includes a contact and a vacuum switch. The resistance branch also includes a resistance. The main rotary selector contact is always operated before the resistance contact. The operating member is arranged, during operation, always to rotate the main contact in one and the same direction of rotation. Also a corresponding method for operating a diverter switch and use of such a switch.
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PCT/ISA/210-International Search Report, Sep. 27, 2005.
Jonsson Lars
Larsson Tommy
Nilsson Petter
Valdemarsson Stefan
ABB Research Ltd.
Caroc Lheiren Mae A
Franklin Eric J.
Luebke Renee
Venable LLP
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