Patent · US Expired

Variable composition switching device

US4631507A · kind A · utility

20Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1985
Grant dateDec 23, 1986
Priority date
Expiry dateSep 27, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H89/08
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A variable composition switching device which comprises one basic modular component incorporating at least one controllable switching device, one direct switching control modular component and/or one indirect switching control modular component. This indirect switching control component acts on the basic modular component through a potential energy accumulation tripping device.

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