Drive system comprising an adjustable hydrostatic machine

Details Drive system comprising an adjustable hydrostatic machine Drive system comprising an adjustable hydrostatic machine

1986-05-01

1987-09-01

Ostrager, Allen M.

Power plants

Pressure fluid source and motor

Condition responsive control of pump or motor displacement

60445, F16D 3102

Patent

active

046899561

ABSTRACT:
For a drive system comprising a hydrostatic adjustable machine an electrical control is provided with which the actuator of the machine is driven so that for acceleration, retardation and braking, i.e. when the machine moves from motor mode to pump mode, a predetermined operating behavior of the machine necessarily results. The particular input desired value for the speed is transformed so that suddenly occurring abrupt acceleration, retardation and braking operations are avoided and in particular on abrupt entry of desired values increased safety against operating errors is achieved.

REFERENCES:
patent: 3788775 (1974-01-01), Leutner
patent: 4103489 (1978-08-01), Fletcher et al.
patent: 4274257 (1981-06-01), Koch, Jr. et al.

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