Device for detecting combustion pressure of an internal combusti

Details Device for detecting combustion pressure of an internal combusti Device for detecting combustion pressure of an internal combusti

1991-08-22

1993-03-23

Raevis, Robert

Measuring and testing

Vehicle drive train

Rear end

G01M 1500

Patent

active

051953650

ABSTRACT:
A device for detecting a pressure in a combustion chamber comprises a combustion pressure sensor arranged in a cylinder head gasket so that a pressure detecting surface of the sensor is disposed substantially in parallel to a surface of a cylinder head or a cylinder block, and a pressure inlet is provided above the pressure detecting surface to introduce the combustion pressure to the pressure detecting surface. Due to the position of the pressure inlet above the pressure detecting surface, the tightening force of cylinder head bolts is not applied to the pressure detecting surface of the sensor, and thus the reliability of the pressure detection is improved.

REFERENCES:
patent: 3939703 (1976-02-01), Heggie
patent: 4561401 (1985-12-01), Hata et al.
patent: 4686861 (1987-08-01), Morii
patent: 5066023 (1991-11-01), Ma
patent: 5076103 (1991-12-01), Lager et al.

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