Pressure sensor for an internal combustion engine

US4382377A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Peter Kleinschmidt · Munich, DE
• Valentin Magori · Gernsheim, DE

Key dates

• Filing date: May 5, 1981
• Grant date: May 10, 1983
• Expiry date: May 5, 2001

Classification

• Technology area (CPC G): Physics
• CPC primary: G01L23/222
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

A pressure sensor for an internal combustion engine has a piezoceramic transducer in an operating connection, by way of a plunger, with a membrane, the sensor being secured in a cylinder head of an internal combustion engine with the membrane located within a cylinder. The pressure sensor serves for detecting knock and ping.