Patent · US Expired

Engine starter having starter motor

US7077092B2 · kind B2 · utility

6Cited by
2References
21Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 20, 2005
Grant dateJul 18, 2006
Priority date
Expiry dateJul 20, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02N2300/106
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An engine starter includes a starter motor which has an armature, a series-wound field coil and a parallel-wound field coil and a short-circuiting unit for short-circuiting the series-wound field coil under a predetermined engine starting condition. The series-wound field coil has a suitable current limiting resistance. The short-circuiting unit short-circuits the series-wound field coil after a crankshaft of an engine passes a first top dead center of an engine.

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