Hydrodynamic reversing drive

Details Hydrodynamic reversing drive Hydrodynamic reversing drive

F - Mech Eng,Light,Heat,Weapons

16

D

138/8

F16D 33/00 (2006.01) F16H 47/07 (2006.01)

Patent

CA 1093936

A B S T R A C T The invention relates to so-called turbo hydrodynamic reversing drives which incorporate a hydrodynamic torque converter for each of the two rotary drive directions. The switching in and out of each torque converter is effected respectively by filling the latter with working fluid or by draining it by means of a filling pump, a circuit which includes filling and draining lines, and a two-way reversing valve for connecting the filling line of one or other converter to the filling pump and closing off its respective draining line. Such drives are used for vehicles which frequently change their travel direction i.e. shunting locomotives and earth-moving vehicles. While the reversing valve is being changed over from one operating position to the other, the filling lines of the two torque converters are connected to the filling pump, and the draining lines of the two torque converters are also at least partly open. Such an arrangement enables a change of travel direction to be effected as quickly as possible.

311079

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