ARRANGEMENT AND METHOD FOR DETECTING THE SPEED OF A TURBOCHARGER

A system for detecting a rotational speed of a turbocharger includes: a rotational speed sensor unit which includes a radar transmitter for emitting radar waves and a radar receiver for receiving the radar waves and which is designed to detect radar waves reflected by a machine element of the turboc...

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Bibliographische Detailangaben
1. Verfasser:	EICHEL, DIRK
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING
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Beschreibung
Zusammenfassung:	A system for detecting a rotational speed of a turbocharger includes: a rotational speed sensor unit which includes a radar transmitter for emitting radar waves and a radar receiver for receiving the radar waves and which is designed to detect radar waves reflected by a machine element of the turbocharger and to provide them as a measuring signal; and an evaluation unit which is coupled to the rotational speed sensor unit and is designed to check whether the reflected radar waves are detectable by the radar receiver based on a predetermined criterion and to ascertain the rotational speed of the turbocharger based on an evaluation of the measuring signal.