gf0940w4050h

Component description for turbine wheel rpm sensor

Type gf · emne 09.40 · version 0101 · 2012-05-31

Gælder for: ENGINES 470.9 in MODEL 963 with CODE (M5Z) Engine version Euro VI ENGINES 471.9 in MODEL 963 with CODE (M5Z) Engine version Euro VI

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Placering

Funktionsgruppe 1 Motor › 09 Luftindsugning, luftladning › 09.40 Turbolader — Serie 470 (modeller 9**) · Serie 471 (modeller 9**) · Serie 963

GF09.40-W-4050H

Component description for turbine wheel rpm sensor

10.5.12

ENGINES 470.9 in MODEL 963 with CODE (M5Z) Engine version Euro VI

ENGINES 471.9 in MODEL 963 with CODE (M5Z) Engine version Euro VI

Component description for turbine wheel rpm sensor

W09.40-1229-06

Location

Shown on engine 471.9

B610 Turbine wheel rpm sensor

The turbine wheel rpm sensor (B610) is located in the center of the turbocharger.

Task

The turbocharger rotor speed is detected by the engine management (MCM) control unit (A4) over the turbine wheel rpm sensor (B610).

The rotor speed is used to protect the turbocharger from running at excessively high rotational speeds.

Design

The turbine wheel rpm sensor (B610) is an inductive sensor and possesses a permanent magnet as well as a sensor coil.

Function

The permanent magnet on the turbine wheel rpm sensor (B610) generates a magnetic field. Magnetic field changes occur due to a groove in the turbocharger shaft when the shaft turns. A voltage is induced in the coil of the turbine wheel rpm sensor (B610) or inductive voltage signals are generated. With the aid of these signals the engine management (MCM) control unit (A4) can determine the rotor speed.