Patent · US Expired

Method of inspecting conditions of parts of electrical ignition type engines and apparatus therefor

US3956689A · kind A · utility

2Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 15, 1974
Grant dateMay 11, 1976
Priority date
Expiry dateJul 15, 1994

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02P17/08
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A method of and an apparatus for inspecting conditions of parts of electrical ignition type engines are provided wherein standard electrical waveforms representative of normal and abnormal conditions of parts of an electrical ignition type engine to be inspected are pre-recorded and an actual electrical waveform indicative of the condition of a part of the engine under operation and the corresponding one of the pre-recorded standard waveforms are displayed to permit visual comparison of them.

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