Arrangement for operating a diesel hydraulic drive

Details Arrangement for operating a diesel hydraulic drive Arrangement for operating a diesel hydraulic drive

1987-04-07

1988-08-16

Look, Edward K.

Power plants

Pressure fluid source and motor

Condition responsive control of or by input to input pump...

60329, 60445, 60449, 60486, 417 34, 417216, 417218, F16D 3102

Patent

active

047634731

ABSTRACT:
An arrangement for operating a diesel-hydraulic drive on a construction machine in limit-load control with a microprocessor controller in which the installed hydraulic power is greater than the rated output of the diesel engine. Upon thermal and/or diesel-engine overload the hydraulic power which can be taken off is reducible; in the case of non-output loading, after a selectably predetermined time the diesel engine can be switched to idling speed of rotation and hydraulic displacement pumps can be operated with minimum delivery oil quantity; and the adjustable hydraulic displacement pumps can be adjusted in accordance with selectably predeterminable output curves.

REFERENCES:
patent: 4256439 (1981-03-01), Kosodo et al.
patent: 4507057 (1985-03-01), Igarashi et al.
patent: 4596517 (1986-06-01), Laguionie
patent: 4600364 (1986-07-01), Nakatani et al.
"Hydraulics", Hitachi Co. publication, Jan. 5, 1987.

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