Compression rate analyzer
US4292841A · kind A · utility
18Cited by
2References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 1979 |
| Grant date | Oct 6, 1981 |
| Priority date | — |
| Expiry date | Jul 11, 1999 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M15/08
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and method for monitoring the performance and condition of various cylinder components of internal combustion engines through the provision of a transducer for detecting the time-rate-of-change of pressure within the cylinder during normal operation of the engine and a circuit for processing and quantizing the transducer signal to develop a numerical indication of pressure changes within the cylinders. The system also includes a tachometer circuit and display apparatus as well as an optional memory and processor to facilitate a comparative analysis of the various cylinders at varying speeds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.