Working vehicle

Details Working vehicle Working vehicle

2011-07-05

2011-07-05

Pang, Roger (Department: 3655)

Planetary gear transmission systems or components

Steering by driving

With infinitely variable drive

C475S072000, C477S054000

Reexamination Certificate

active

07972238

ABSTRACT:
In a working vehicle, a control unit is configured to control an engine based on an engine power curve indicating a relationship between an engine speed and an engine output torque. The control unit is further configured to calculate an absorption horsepower that is an absorption horsepower of a hydraulic pump and to change the engine power curve used to control the engine based on the absorption horsepower.

REFERENCES:
patent: 4184387 (1980-01-01), Kiritani et al.
patent: 5101919 (1992-04-01), Ossi
patent: 6640178 (2003-10-01), Wakamatsu et al.
patent: 7246670 (2007-07-01), Hayashi et al.
patent: 2005/0070391 (2005-03-01), Folsom et al.
patent: 2006/0167607 (2006-07-01), Nakamura et al.
patent: 2005-273902 (2005-10-01), None

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