Pressure sensor for gaseous and/or liquid media of internal comb

Details Pressure sensor for gaseous and/or liquid media of internal comb Pressure sensor for gaseous and/or liquid media of internal comb

1996-07-22

1998-05-19

Biegel, Ronald L.

Measuring and testing

Engine detonation

Specific type of detonation sensor

73115, G01L 2322, G01N 2520, G01M 1500

Patent

active

057537984

ABSTRACT:
A pressure sensor having a disk-shaped sensor body which includes a pressure space for the medium to be measured. A bolt element in the pressure space forms a tubular pressure gap of small volume. The bolt element also forms a heat accumulator before the pressure transducer surface of the sensor body and acts on a temperature compensating element to narrow the temperature swings in the sensor due to temperature shocks. The new pressure sensor may be used for hot combustion gases and for fuels and other liquid or gaseous substances. In the application for monitoring internal combustion engines, the pressure sensor is fitted between the combustion chamber and the indicator valve instead of after the indicator valve, making possible periodic blowing-through and hence the removal of all combustion residues and calibration measurement any time.

REFERENCES:
patent: 2841979 (1958-07-01), Harbert
patent: 3403561 (1968-10-01), List et al.
patent: 3600941 (1971-08-01), Kammeraad
patent: 4430899 (1984-02-01), Wessel
patent: 4432228 (1984-02-01), Kuschmierz et al.
patent: 4476711 (1984-10-01), Gutterman
patent: 4483181 (1984-11-01), Maekawa et al.
patent: 4843887 (1989-07-01), Engeler et al.
patent: 4996873 (1991-03-01), Takeuchi
patent: 5031460 (1991-07-01), Kanenobu et al.
patent: 5199303 (1993-04-01), Benedikt et al.

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