F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
F15B 1/00 (2006.01) B29C 45/67 (2006.01) B29C 45/82 (2006.01) G05D 16/20 (2006.01)
Patent
CA 2107612
ABSTRACT HYDRAULIC DEVICE FOR USE IN A PRODUCTION MACHINE In a hydraulic device at least one control valve with at least three control positions is connected with a variable capacity pump, whereby the controlling device of the variable capacity pump is connected with the supply line downstream the control valve via a feedback line with the purpose of adjusting the pump output so as to maintain a constant operational pressure gradient. The back flow pipe is conducted over the control valve, which is connected with the consumers by connecting valves associated to mentioned consumers, whereby a transducer is associated to the back flow pipe, which together with the transducer of the supply line constitutes a regulating variable for a control unit. This way a precise and energy saving regulation or control of the consumers in both flow directions by a control valve at a reasonable price is achieved.
Hehl Karl
Macrae & Co.
LandOfFree
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