Time totaling meter and unit of the same for internal combustion engine
US5617373A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Oct 13, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07C5/04
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A time totaling meter and an unit thereof for internal combustion engines comprising a part of an ignition device to lead ignition pulses toward outside of the ignition device, pulse induction means to electromagnetically induce said ignition pulses, waveform shaping means to shape this electro-magnetically induced pulses, and judging means to determine whether this waveform shaped output pulses are derived from operation of the internal combustion engine or not, and capable of counting and storing total operation time of the internal combustion engine from initial operation thereof to said count memory means based on said output pulses selected by said judging means and displaying this counted operation time on display means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.