Control circuit for a construction machine

Details Control circuit for a construction machine Control circuit for a construction machine

1996-09-30

1997-12-02

Lopez, F. Daniel

Power plants

Pressure fluid source and motor

Having a signal, indicator or inspection means

60368, 60445, 60449, F16D 3102

Patent

active

056923767

ABSTRACT:
Each attachment for a hydraulically actuated device includes a digitally coded connector which informs a control device about its identity. The control device includes a library which relates the digitally coded identity with fluid parameters of pressure and flow rate required for operation of the hydraulically operated device. The control device outputs signals which control the accelerator of an engine, and also controls pump operations to establish the fluid parameters appropriate for the hydraulically actuated device. When a second device is actuated simultaneously with the original device, the control device automatically compensates with adjusted fluid parameters to permit optimum operation of both devices at the same time.

REFERENCES:
patent: 3865013 (1975-02-01), Mastaj
patent: 4507057 (1985-03-01), Igarashi et al.
patent: 4811561 (1989-03-01), Edwards et al.
patent: 5050379 (1991-09-01), Nagai et al.
patent: 5148676 (1992-09-01), Moriya et al.
patent: 5315827 (1994-05-01), Imai et al.

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