Engine monitoring apparatus

Details Engine monitoring apparatus Engine monitoring apparatus

1976-03-24

1977-07-19

Myracle, Jerry W.

Measuring and testing

Internal combustion engine or related engine system or...

Compression

73115, G01M 1500

Patent

active

040360504

ABSTRACT:
Engine monitoring apparatus is disclosed in which the cylinder pressure changes in a fuel injected engine are monitored through the use of a transducer device which produces an electrical signal responsive to pressures exerted on an injector nozzle from within the cylinder. The transducer is mounted to the nozzle holding brackets or fasteners which act to maintain pressure tending to seat the nozzle against an inlet port in the cylinder and, as such, is responsive to axial pressures exerted on the nozzle assembly from within the cylinder. Methods and apparatus for mounting the transducer device to the holding brackets of various types of nozzle assemblies are disclosed along with read-out devices including a tachometer circuit for utilizing the transducer output signal for performance monitoring and diagnostic applications.

REFERENCES:
patent: 3371525 (1968-03-01), Mitchell
patent: 3874225 (1975-04-01), Fegel

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