Invention Grant
- Patent Title: Electrical medium or high voltage switching device
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Application No.: US14079068Application Date: 2013-11-13
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Publication No.: US09627153B2Publication Date: 2017-04-18
- Inventor: Francesco Pisu , Helmut Heiermeier , Jadran Kostovic , Jakub Korbel , Luca Lienhard , Reto Karrer , Timothy Sutherland
- Applicant: ABB Schweiz AG
- Applicant Address: CH Baden
- Assignee: ABB Schweiz AG
- Current Assignee: ABB Schweiz AG
- Current Assignee Address: CH Baden
- Agency: Whitmyer IP Group LLC
- Priority: EP12192466 20121113
- Main IPC: H01H1/00
- IPC: H01H1/00 ; H01H9/00 ; H01H1/38

Abstract:
An electrical switching device for medium or high voltage circuits having at least a nominal contact arrangement, wherein the nominal contact arrangement includes at least a first nominal contact including a plurality of contact fingers forming a finger cage concentric with respect to a longitudinal axis, wherein the contact fingers are separated from one another by empty slots extending up to a free end of the contact fingers. The empty slots include first and second empty slots, wherein the second empty slots are shorter than the first empty slots, and wherein the contact fingers are grouped in groups, with the contact fingers of each group being separated by second empty slots and the contact fingers of adjacent groups being separated by first empty slots.
Public/Granted literature
- US20140131183A1 Electrical Medium Or High Voltage Switching Device Public/Granted day:2014-05-15
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