Hydraulic system for hydraulic operators

Details Hydraulic system for hydraulic operators Hydraulic system for hydraulic operators

1992-12-14

1994-05-31

Look, Edward K.

Power plants

Pressure fluid source and motor

Having distinct cooling or lubricating structure

60422, 60445, 123 4112, F16D 3102

Patent

active

053158296

ABSTRACT:
The invention relates to a hydraulic system for hydraulic operators for delivering pressurized fluid to a blower drive means and to the hydraulic operators of a hydraulic machine, comprising a variable delivery pump, control valves connecting the hydraulic operators and the blower drive means to the pump, a temperature responsive pressure valve for setting a temperature-proportional control pressure in the pressure line between the blower drive means and the respective control valve, wherein the control valve is subjected to the pressure in the control line in a sense to open the control valve, and a flow volume regulator associated to the variable delivery pump which regulator is subjected via a load sensing line by the load pressure occuring at the hydraulic operators or in the blower drive means depending on which pressure is higher.

REFERENCES:
patent: 4011721 (1977-03-01), Yip
patent: 4065922 (1978-01-01), Ot et al.
patent: 4223646 (1980-09-01), Kinder
patent: 4487255 (1984-12-01), Bianchetta et al.

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