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U.S. Department of Energy
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Power system

Patent ·
OSTI ID:970491
A power system includes a prime mover, a transmission, and a fluid coupler having a selectively engageable lockup clutch. The fluid coupler may be drivingly connected between the prime mover and the transmission. Additionally, the power system may include a motor/generator drivingly connected to at least one of the prime mover and the transmission. The power-system may also include power-system controls configured to execute a control method. The control method may include selecting one of a plurality of modes of operation of the power system. Additionally, the control method may include controlling the operating state of the lockup clutch dependent upon the mode of operation selected. The control method may also include controlling the operating state of the motor/generator dependent upon the mode of operation selected.
Research Organization:
National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV
Sponsoring Organization:
United States Department of Energy
DOE Contract Number:
FC26-04NT42258
Assignee:
Caterpillar Inc. (Peoria, IL)
Patent Number(s):
7,344,472
Application Number:
11/261,637
OSTI ID:
970491
Country of Publication:
United States
Language:
English

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