Patent · US Expired

Spark ignition safety circuit

US5101802A · kind A · utility

10Cited by
11References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 23, 1986
Grant dateApr 7, 1992
Priority date
Expiry dateOct 23, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B1/04
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A spark ignition safety circuit and starting circuit having grounding of the primary winding through safety switches and preferably also through the ignition switch. The primary winding of the ignition circuit is grounded through closed safety switches which are in series with the ignition switch.

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