Patent · US Expired

Digitally controlled brushless motor

US4363984A · kind A · utility

19Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 17, 1980
Grant dateDec 14, 1982
Priority date
Expiry dateOct 17, 2000

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/16
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A brushless motor actuated by a predetermined frequency and driven at constant speed with less wow and flutter component in accordance with a pulse signal of the frequency applied. The motor has a rotor enclosed in a stator, the latter having driving windings. The rotor includes a rotor shaft and a flywheel connected to the shaft. The flywheel is housed in a motor case.

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