Hydraulic valve system
AssigneeSauer-Danfoss (Nordborg) A/S
InventorMartin Raadkjaer Joergensen
Life of this patent
Estimating the term…
Abstract
A hydraulic valve system (1) has a supply connection arrangement, having a high-pressure connection (P) and a low-pressure connection, with a working connection arrangement, having two working connections (A, B), with a control valve (3), which is arranged between the supply connection arrangement and the working connection arrangement, and with a non-return valve (24, 28) for each working connection (A, B). The valve being arranged between the control valve (3) and the working connection arrangement. A tappet (36) mechanically opening the valve element (25, 29) of said non-return valve.
Claims10
A hydraulic valve system with a supply connection arrangement, having a high-pressure connection and a low-pressure connection, with a working connection arrangement, having two working connections, with a control valve, which is arranged between the supply connection arrangement and the working connection arrangement, and with a non-return valve for each working connection, said valve being arranged between the control valve and the working connection in question, a tappet mechanically opening a valve element of said non-return valve, wherein, the tappet (36) has a side facing away from the valve element (25, 29), on which side the tappet ends in a pressure chamber (38, 39), which can be acted upon with pressure.
Dependencies are inferred from the claim text.