Working machine and method

A work machine (10) includes an IC engine (12) having an output, an IVT (24) having an input coupled with the IC engine output, and a ground speed actuator (32). A desired speed sensor (34) associated with the ground speed actuator (32) provides an output signal indicating a slower ground speed. At...

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Bibliographische Detailangaben
Hauptverfasser: MAIFIELD, CHRISTOPHER J, EASTMAN, BRITON T
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A work machine (10) includes an IC engine (12) having an output, an IVT (24) having an input coupled with the IC engine output, and a ground speed actuator (32). A desired speed sensor (34) associated with the ground speed actuator (32) provides an output signal indicating a slower ground speed. At least one electrical processing circuit is configured for increasing an input/output (I/O) ratio of the IVT (14), dependent upon the sensor output signal, such that a net torque transfer back-driven from the IVT input to the IC engine output is substantially zero.