Drive unit with an engine and a retarder

Details Drive unit with an engine and a retarder Drive unit with an engine and a retarder

1997-04-24

1998-04-28

Nelli, Raymond A.

Internal-combustion engines

Engine speed regulator

Responsive to deceleration mode

F02D 3902

Patent

active

057432325

ABSTRACT:
A drive unit includes a hydrodynamic retarder having a rotor paddle wheel, a stator paddle wheel, and a housing surrounding the rotor and stator wheels. The unit has a coolant cycle system, through which a coolant flows, the coolant also being a working medium of the retarder. The drive unit further includes a working medium container for the coolant and a pipe having a valve. The pipe is disposed between the retarder and the working medium container. The unit also has a coolant feed line to the retarder.

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