Hydrostatic drive system

Details Hydrostatic drive system Hydrostatic drive system

1988-04-22

1991-12-10

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60449, 60452, 60488, 60489, F16D 3102

Patent

active

050706950

ABSTRACT:
A hydrostatic drive system consists respectively of an adjustable primary and secondary unit which are connected together via a conduit train with impressed pressure. The volume flow of the primary unit is regulated in dependence upon the impressed pressure and the volume flow of the secondary unit as a function of the speed. To avoid pronounced dropping of the impressed pressure the power of the secondary unit is limited. For this purpose a circuit is provided in which the volume flows of the primary and secondary units are compared. The power limitation intervenes when the volume flow of the secondary unit exceeds the volume flow of the primary unit.

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D-Buch: R. Pfab: Getriebe-Atals Teil II/7, Hydrostatische Getriebe mit rotierenden Motoren, A.G.T. Vierlag Georg Thum, Ludwigsburg, 1967, S.12, U.13.
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