Title:
真空切り換え装置及びそのための電気接触子
Document Type and Number:
Japanese Patent JP6854803
Kind Code:
B2
Abstract:
An electrical contact is for a vacuum switching apparatus. The vacuum switching apparatus includes a second electrical contact. The electrical contact includes a body having a center point and a periphery, the body including a plurality of arcing surfaces structured to face in a first direction toward the second electrical contact and structured to move into and out of engagement with the second electrical contact, and a plurality of arc spinning portions each defining a slot extending inwardly from the periphery generally toward the center point, the plurality of arc spinning portions generally separating the plurality of arcing surfaces from one another. At least one arc spinning portion narrows from a corresponding pair of adjacent arcing surfaces of the body to an interior thereof in a second direction opposite the first direction.
Inventors:
One Pay Lee
Martin B. J. Ryusenkamp
Franklin Willis Freeborn
Martin B. J. Ryusenkamp
Franklin Willis Freeborn
Application Number:
JP2018504670A
Publication Date:
April 07, 2021
Filing Date:
August 18, 2016
Export Citation:
Assignee:
Eaton Intelligent Power Limited
International Classes:
H01H33/664; H01H33/662
Domestic Patent References:
| JP57074920A | ||||
| JP2002245907A | ||||
| JP2012119254A | ||||
| JP2006506782A | ||||
| JP1122528A |
Foreign References:
| FR2969367A1 | ||||
| US20010047981 |
Attorney, Agent or Firm:
Hanabusa Patent and Trademark Office