Patent · US Expired

Solenoid encasement with variable reluctance

US5389910A · kind A · utility

11Cited by
12References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 8, 1992
Grant dateFeb 14, 1995
Priority date
Expiry dateDec 8, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F7/122
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A solenoid apparatus compises an encasement defining a longitudinal axis. The reluctance of the encasement is variable by movement of a potion of the encasement relative to the longitudinal axis.

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