Method and apparatus for controlling a load of an engine associa

Details Method and apparatus for controlling a load of an engine associa Method and apparatus for controlling a load of an engine associa

1997-04-03

1999-02-23

Camby, Richard M.

Motor vehicles

With means responsive to speed of vehicle for maintaining...

Including electrically actuated servomechanism

180179, 180307, 180308, 123350, B60K 1734

Patent

active

058734279

ABSTRACT:
An apparatus for controlling the load of an engine associated with a hydrostatic drive system is disclosed. The apparatus includes a variable displacement pump rotatably driven by the engine. The apparatus modifies a pump displacement command signal in response to the actual and desired engine speed acceleration. The modified pump displacement command signal is used to control the displacement of a variable pump in order to regulate the load on the engine to achieve optimum efficiency.

REFERENCES:
patent: 3805676 (1974-04-01), Hamma et al.
patent: 4523892 (1985-06-01), Mitchell et al.
patent: 5249422 (1993-10-01), Smith et al.

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