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HYDRAULIC MAIN VALVE AND AUXILIARY VALVE
The present invention relates to a hydraulic auxiliary valve device (1) adapted to be connected to a hydraulic main valve (20) on a work vehicle, which work vehicle comprises a hydraulic system comprising a pump and a tank, the auxiliary valve device (1) comprises: —a first motor port connection (4A) and a second motor port connection (4B) arranged to be connected to a first motor port and a second motor port, respectively, on a double acting hydraulic motor, in particular a double acting hydraulic cylinder, —a pump lead-through (2), which connects the pump input port connection (2A) of the auxiliary valve device (1) to the pump connection output port (2B); —a tank lead-through (3), which connects the tank input port connection (3A) of the auxiliary valve device (1) to the tank connection output port (3B); and —a control valve (IA) provided with two open positions, which control valve (1A) in the first open position connects the pump input port connection (2A) to the first motor port connection (4A) and the tank input port connection (3A) to the second motor port connection (4B), and in the second open position connects the pump input port connection (2A) to the second motor port connection (4B) and the tank input port connection (3A) to the first motor port connection (4A).
HYDRAULIC MAIN VALVE AND AUXILIARY VALVE
The present invention relates to a hydraulic auxiliary valve device (1) adapted to be connected to a hydraulic main valve (20) on a work vehicle, which work vehicle comprises a hydraulic system comprising a pump and a tank, the auxiliary valve device (1) comprises: —a first motor port connection (4A) and a second motor port connection (4B) arranged to be connected to a first motor port and a second motor port, respectively, on a double acting hydraulic motor, in particular a double acting hydraulic cylinder, —a pump lead-through (2), which connects the pump input port connection (2A) of the auxiliary valve device (1) to the pump connection output port (2B); —a tank lead-through (3), which connects the tank input port connection (3A) of the auxiliary valve device (1) to the tank connection output port (3B); and —a control valve (IA) provided with two open positions, which control valve (1A) in the first open position connects the pump input port connection (2A) to the first motor port connection (4A) and the tank input port connection (3A) to the second motor port connection (4B), and in the second open position connects the pump input port connection (2A) to the second motor port connection (4B) and the tank input port connection (3A) to the first motor port connection (4A).
HYDRAULIC MAIN VALVE AND AUXILIARY VALVE
HYDRAULIKHAUPTVENTIL UND HILFSVENTIL
SOUPAPE HYDRAULIQUE PRINCIPALE ET SOUPAPE HYDRAULIQUE AUXILIAIRE
LUNDGREN BERTIL (Autor:in)
30.08.2017
Patent
Elektronische Ressource
Englisch
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