Arrangement of vacuum switching tubes in a load transfer switch
US9406454B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2013 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | Apr 8, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/0038
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Arrangement of vacuum switching tubes (3, 3a, 3b) in a load transfer switch (1), wherein in each case one cam controller (5) comprising a control cam (7) and a lever bearing (10) for operating a moving contact (13) is associated with in each case one of the vacuum switching tubes (3, 3a, 3b), wherein at least one camshaft (15a, 15b) is arranged axially parallel to a drive shaft (11) and can be driven by means of said drive shaft, and wherein each axis (A) of the moving contact (13) of each vacuum switching tube (3, 3a, 3b) is arranged perpendicular to an axis (E) of the respective camshaft (15a, 15b).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.