Method and apparatus for control of hydraulic systems

Details Method and apparatus for control of hydraulic systems Method and apparatus for control of hydraulic systems

2005-04-19

2005-04-19

Lazo, Thomas E. (Department: 3745)

Power plants

Pressure fluid source and motor

Control by independently operated punch card, tape, digital...

C060S484000

Reexamination Certificate

active

06880331

ABSTRACT:
An apparatus and method for controlling hydraulic systems. The control apparatus (module) accepts a variety of input forms, and the output is user-configurable to control both sides of an attached coil. The master module is programmable via a graphical user interface defining states and conditions triggering transitions between states. The master module may be combined with slave modules on a connection bus to control many subsystems. Reprogramming of the master module may occur in the field by use of flash memory, and input/output characteristics may be adjusted during operation of the system, allowing adjustment of systems exhibiting nonlinear response characteristics.

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patent: 6522964 (2003-02-01), Miki et al.
patent: WO 9927195 (1999-06-01), None
patent: WO 200052627 (2000-09-01), None

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