Process for automatically controlling actuators of excavator

Details Process for automatically controlling actuators of excavator Process for automatically controlling actuators of excavator

1991-09-23

1994-05-03

Huppert, Michael S.

Material or article handling

Vertically swinging load support

Shovel or fork type

414699, 91508, E02F 300

Patent

active

053082192

ABSTRACT:
An automatic actuating system for actuators of excavator. The system of this invention automatically controls the bucket which is overloaded to be free from the overloaded state thereof, the bucket to maintain an angular position with respect to the absolute line of the ground surface so as to prevent the objects contained in the bucket from being dropped, the bucket cylinder and the boom cylinder to accomplish the desired surface finishing operation by handling for the dipper cylinder, actuators to limit the operational ranges thereof, optimal quantity of hydraulic fluid flow of the main hydraulic pumps for respective actuators, and the pre-running for the actuators.

REFERENCES:
patent: 4561341 (1985-12-01), Aikawa
patent: 4875337 (1989-10-01), Sugiyama et al.
patent: 4938023 (1990-07-01), Yoshino
patent: 5062350 (1991-11-01), Tanaka et al.
patent: 5116186 (1992-05-01), Hanamoto et al.

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