Scope analyzer for direct ignition engines
US6411096B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 6, 1998 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Mar 6, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02P17/12
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
An engine analyzer stores acquired cylinder waveform data in circular buffers respectively associated with the cylinders in accordance with cylinder selection by the user, with each buffer including a plurality of storage cells respectively storing data for individual firing cycles of the associated cylinder, and simultaneously displays the waveform for a, single selected cylinder on one trace of a display screen and waveforms for all cylinders for which data is stored on a second trace, so that data can be acquired and displayed from direct ignition engines with the use of a single pickup lead connected to selected cylinders one cylinder at a time. Various display modes are possible, including a frozen mode in which all stored waveform data may be reviewed and displayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.