Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system
Patent
1998-02-20
2000-09-12
Grant, William
Data processing: generic control systems or specific application
Specific application, apparatus or process
Mechanical control system
700 1, 701 50, 701 36, 172 2, 172812, G05B 1160
Patent
active
061190543
ABSTRACT:
A signal sending device 21 which stores therein proper data, such as an accelerator position and a pump output, concerning operating conditions, such as supply hydraulic pressure and flow rate, appropriate for a working attachment to be attached to the front part of a hydraulic excavator or the like is mounted on the working attachment. The body of a hydraulic excavator is provided with a controller 11 adapted to control the hydraulic sources by receiving and storing proper data sent from the signal sending device 21. The signal sending device 21 includes a ROM 31 for storing proper data for each working attachment, a CPU 32 for retrieving proper data from the ROM 31, and a data communication interface (COM) 33 for receiving command signals sent from the controller 11 of a machine body to the CPU 32 and sending to the controller 11 proper data which have been retrieved from ROM 31 by the CPU 32.
REFERENCES:
patent: 4013875 (1977-03-01), McGlynn
patent: 5557510 (1996-09-01), McIntryre et al.
patent: 5810095 (1998-09-01), Orbach et al.
patent: 5897600 (1999-04-01), Elmore et al.
patent: 5990571 (1999-11-01), Sato et al.
Ega Regis
Hikiyama Mitsuru
Miki Masatoshi
Grant William
Rodriguez Paul
Shin Caterpillar Mitsubishi Ltd.
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