Apparatus for measuring engine cylinder pressures
US3939703A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Sep 16, 1974 |
| Grant date | Feb 24, 1976 |
| Priority date | — |
| Expiry date | Sep 16, 1994 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF02F2007/0063
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for measuring engine cylinder pressures having an arcuate metal strip, means for mounting the strip at one end to the engine block and at the other to the engine head such that the strip spans the engine head gasket and strains in the gasket cause bowing of the metal strip, and a transducer mounted on the strip for measuring the amount of bowing of the strip and providing an output signal related to this. A preferred means for mounting the strip is metal dowels attached to the end of the strip and rigidly mounted in openings in the cylinder head and block and the preferred transducer comprises a pair of resistance element strain gauges mounted on the inside and the outside of the arcuate portion of the metal strip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.