Patent · US Expired

Condition responsive control circuit

US3965396A · kind A · utility

7Cited by
9References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 13, 1974
Grant dateJun 22, 1976
Priority date
Expiry dateMar 13, 1994

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02H5/042
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A contactor or switch to an electrically powered unit, such as a motor, is controlled by a condition responsive circuit which may include facilities for changing the response condition of the circuit and/or facilities responsive to several conditions, such as temperature and excessive current.

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