Patent · US Expired

Pressure sensor for detecting the pressure in combustion chamber of combustion engine

US5353633A · kind A · utility

10Cited by

8References

11Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Walter Benedikt
Manfred Vogel · Ditzingen, DE
Werner Herden · Gerlingen, DE
Johann Konrad · Eichberg, DE
Wolfgang Schmidt
Josef Tosch
Matthias Kusell · Ditzingen, DE

Key dates

Filing date	Oct 29, 1991
Grant date	Oct 11, 1994
Priority date	—
Expiry date	Oct 29, 2011

Classification

Technology area (CPC G)Physics
CPC primaryG01L23/10
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A pressure sensor for detecting pressure in a combustion chamber of an internal combustion engine, particularly of a motor vehicle, has a housing, a sensor block arranged in the housing, at least one plunger arranged in the housing, at least one abutment arranged in the housing, a diaphragm closing the housing and contacting the plunger, an electrical evaluating circuit arranged in the housing and including electrical components, and a ceramic plate arranged in the housing so that the sensor block and the electronic components of the evaluating circuit are arranged in the ceramic plate and the ceramic plate at least partially contacts the abutment, and the electrical components of the evaluating circuit being located at a side of the plate which faces the diaphragm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.