Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ELECTRIC CONTACT SYSTEM FOR ELECTRIC SWITCHING DEVICE
Document Type and Number:
Japanese Patent JP2008130567
Kind Code:
A
Abstract:

To provide an electric contact system (1) for an electric switching device.

The system includes two contact units (10, 20). When electric contacts are formed in the system, contact force acts between the contact units (10) and (20). At this time, means (13, 14, 15, 18) are provided for effecting the contact force, and also, the first contact unit (10) is enabled to separate itself from the second contact unit (20). The means (14, 15, 18) are distinguished by having a thermal expansion effect which brings increase of contact force according as temperature of the means (14, 15, 18) rises.


Inventors:
VOGELSANG RUBEN
MAUROUX JEAN-CLAUDE
LAKNER MARTIN
SCHOENEMANN THOMAS
Application Number:
JP2007301564A
Publication Date:
June 05, 2008
Filing Date:
November 21, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
ABB TECHNOLOGY AG
International Classes:
H01H1/26; H01H1/50; H01H1/34
Attorney, Agent or Firm:
Takehiko Suzue
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Katsu Sunagawa
Ryo Hashimoto
Tetsuya Kazama