Patent · US Active

Knife switch, a switching device comprising a knife switch and a switchgear

US9466955B2 · kind B2 · utility

4Cited by

9References

15Claims

0Family size

Assignee

ABB Schweiz AG · CH

Inventors

Magne Saxegaard · Porsgrunn, NO
Ståle Talmo · Skien, NO
Stanley Lohne · Porsgrunn, NO
Thor Endre · Skien, NO
Tom-Rune Bjortuft · Porsgrunn, NO

Key dates

Filing date	Mar 28, 2013
Grant date	Oct 11, 2016
Priority date	—
Expiry date	Mar 28, 2033

Classification

Technology area (CPC H)Electricity
CPC primaryH01H2205/002
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A knife switch including an operator device for moving a contact knife between a first open position and a second position in electrical contact with a contact element. A free end of the contact knife provided with a dynamic electric field control device including an electrically conductive element. A switching device including a two-position switch including an at least partly electrically conductive housing, a three-position switch including the knife switch for connecting the two-position switch to a first electric conductor, wherein the at least partially electrically conductive housing is connected to a second electric conductor. A switchgear including switching devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.