Hydrostatic multi-motor drive

Details Hydrostatic multi-motor drive Hydrostatic multi-motor drive

2008-04-15

2008-04-15

Leslie, Michael (Department: 3745)

Power plants

Pressure fluid source and motor

Having condition responsive control in a system of distinct...

C060S440000, C060S490000

Reexamination Certificate

active

07356992

ABSTRACT:
With a hydrostatic multi-motor drive unit with a least two hydraulic motors acting upon a common load, a solution should be created, with which a further operating range is covered by the use of several motors and at the same time a simple as possible and problem free coupling of the motors is assured. Furthermore, a method for controlling the drive unit is indicated, which permits continuous transitions between the different operating ranges. This is achieved in that the motors (2, 3) are connected with each other through at least one freewheel device (4), in which the motor (2) arranged after the freewheel device has a variable displacement volume.

REFERENCES:
patent: 5159992 (1992-11-01), Reinecke et al.
patent: 6874319 (2005-04-01), Nakatani

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