Traveling gear for an agricultural working machine

Details Traveling gear for an agricultural working machine Traveling gear for an agricultural working machine

2005-10-11

2005-10-11

Ho, Ha (Department: 3681)

Interrelated power delivery controls, including engine control

Transmission control

Engine controlled by transmission

C074S733100

Reexamination Certificate

active

06953416

ABSTRACT:
A traveling gear for an agricultural working machine configured to adjust an engine speed so as to control the traveling speed of the agricultural working machine for road travel. The traveling gear generally controls the traveling speed of the machine by controlling a central driving gear. The traveling gear generally includes a diesel engine as its central motive power source, a variable displacement pump driven by the diesel engine, an electro-hydraulic motor with an adjustable induction volume, and a pair of electro-hydraulic motors which are switchable in their induction volume. For a change in speed, the displacement volume of the variable displacement pump is adjusted. The change in displacement of the variable displacement pump causes a change in speed of the electro-hydraulic motors, which in turn causes a corresponding change in speed of the traveling gear and associated traveling speed of the agricultural machine.

REFERENCES:
patent: 4606313 (1986-08-01), Izumi et al.
patent: 4769774 (1988-09-01), Narita et al.
patent: 5890468 (1999-04-01), Ozawa
patent: 6202783 (2001-03-01), Taylor et al.
patent: 01-116371 (1989-05-01), None

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