Pressure sensor, a method for manufacturing a pressure sensor and a combustion engine having a pressure sensor

A pressure sensor includes a housing, an interior chamber of which is sealed by a diaphragm, and a flexible measuring element, which is positioned separately. In addition, the pressure sensor includes a transmission element, which is formed as a chip and is used to transmit force from the diaphragm...

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Bibliographic Details
Main Authors KROETZ GERHARD, EICKHOFF MARTIN, RICHTER CHRISTOPH, CAVALLONI CLAUDI, GNIELKA MARCO
Format Patent
LanguageEnglish
Published 11.05.2004
Edition7
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
ELECTRICITY
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
LIGHTING
MEASURING
MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE
MECHANICAL ENGINEERING
PHYSICS
TESTING
WEAPONS
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Summary:A pressure sensor includes a housing, an interior chamber of which is sealed by a diaphragm, and a flexible measuring element, which is positioned separately. In addition, the pressure sensor includes a transmission element, which is formed as a chip and is used to transmit force from the diaphragm to the measuring element. In response to a selected deformation of the measuring element, a stop element comes into contact with a region of the transmission element and opposes the applied force. Therefore, it forms an overload protection. The stop element may be configured as a bending bar and/or form a second measuring element, the first measuring element being configured to measure relatively low pressures, and the second measuring element or stop element being configured to measure relatively high pressures. The pressure sensor thus provides a plurality of measuring ranges.
Bibliography:Application Number: US20010905583