Drum drive for a truck mixer
First Claim
1. An apparatus for driving a truck mixer (1), comprising, in the following order,a mixing drum (2),a mixer transmission (8) directly coupled to the a mixing drum (2),an electric motor (13) directly coupled to the mixer transmission (8), wherein the mixer transmission (8) is coupled to the mixing drum (2) and electric motor (13) with no other intervening elements therebetween,a controller (10) directly coupled to the electric motor (13), wherein the motor (13) is coupled to the transmission (8) and controller (10) therebetween with no other intervening elements therebetween,a vehicle drive train (3), anda generator (9) directly coupled to the controller (10), forming part of the vehicle drive train (3) and constituting an energy source for operating the electric motor (13), and wherein the controller (10) is coupled to the motor (13) and generator (9) with no other intervening elements therebetween.
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Accused Products
Abstract
The present invention relates to a drum drive for a truck mixer with a vehicle drive train and a mixing drum, wherein the drum drive can be driven by at least one electric motor.
16 Citations
10 Claims
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1. An apparatus for driving a truck mixer (1), comprising, in the following order,
a mixing drum (2), a mixer transmission (8) directly coupled to the a mixing drum (2), an electric motor (13) directly coupled to the mixer transmission (8), wherein the mixer transmission (8) is coupled to the mixing drum (2) and electric motor (13) with no other intervening elements therebetween, a controller (10) directly coupled to the electric motor (13), wherein the motor (13) is coupled to the transmission (8) and controller (10) therebetween with no other intervening elements therebetween, a vehicle drive train (3), and a generator (9) directly coupled to the controller (10), forming part of the vehicle drive train (3) and constituting an energy source for operating the electric motor (13), and wherein the controller (10) is coupled to the motor (13) and generator (9) with no other intervening elements therebetween.
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2. An apparatus for driving a truck mixer (1) comprising a first vehicle engine and, in the following order,
a mixing drum (2), a mixer transmission (8) directly coupled to the mixing drum (2), an electric motor (13) directly coupled to the mixer transmission (8), wherein the mixer transmission (8) is coupled to the mixing drum (2) and electric motor (13) with no other intervening elements therebetween, a controller (10) directly coupled to the electric motor (13), wherein the motor (13) is coupled to the transmission (8) and controller (10)) with no other intervening elements therebetween, a generator (9) directly coupled to the controller (10) and constituting an energy source for operating the electric motor (13), wherein the controller (10) is coupled to the motor (13) and generator (9)) with no other intervening elements therebetween, an articulated shaft (7) directly coupled to the generator (9), wherein the generator (9) is coupled to the controller (10) and articulated shaft (7)) with no other intervening elements therebetween, and a second engine (6) coupled to the articulated shaft (7), wherein the articulated shaft (7) is coupled to the generator (9) and second engine (6) with no other intervening elements therebetween.
Specification
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- Resources
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Current AssigneeLiebherr-Mischtechnik GmbH (Liebherr-International AG)
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Original AssigneeLiebherr-Mischtechnik GmbH (Liebherr-International AG)
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InventorsZenne, Gerhard
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Primary Examiner(s)SORKIN, DAVID L
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Application NumberUS12/700,136Publication NumberTime in Patent Office1,720 DaysField of Search366/44, 366/54, 366/60US Class Current366/60CPC Class CodesB28C 5/421 Drives in general B28C5/0831B60P 3/16 for carrying mixed concrete...
