Method of inspecting conditions of parts of electrical ignition type engines and apparatus therefor
US3956689A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1974 |
| Grant date | May 11, 1976 |
| Priority date | — |
| Expiry date | Jul 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.