Patent ID: 8550118
Filing Date: 2013-10-08
Classification: F16K,Y10T

Abstract:
1. Process valve acting as a lift valve ( 1 ; 1 . 1 ; 1 . 2 ; 1 . 3 ; 1 . 4 ), with a valve housing ( 2 ; 2 . 1 ; 2 . 2 ; 2 . 3 ; 2 . 4 ) consisting of at least a valve housing part ( 2 a ; 2 . 4 a , 2 . 4 b ), with at least a first and a second connectors ( 2 b , 2 c ; 2 . 4 c , 2 c ), which are connected to the valve housing part ( 2 a ; 2 . 4 a , 2 . 4 b ) and establish a connection to its internal space, with a connection opening ( 2 d ) arranged between the connectors ( 2 b , 2 c ; 2 . 4 c , 2 c ), at least a seating surface ( 2 e ) is formed in or on the connection opening with at least a translatably slidable closure part ( 4 ; 4 . 1 ; 21 ), which cooperates with the attributed seating surface ( 2 e ) and controls the connection opening ( 2 d ), with an actuating rod ( 4 a / 4 b ; 21 a ) fastened on each closure part ( 4 ; 4 . 1 ; 21 ), which is guided out of the valve housing ( 2 ; 2 . 1 ; 2 . 2 ; 2 . 3 ; 2 . 4 ) by a housing opening ( 2 h ) of the valve housing ( 2 ; 2 . 1 ; 2 . 2 ; 2 . 3 ; 2 . 4 ) facing the connection opening ( 2 d ) and is connected to an actuating piston ( 5 ) of an actuator ( 3 ), with a lantern-type housing ( 3 . 1 ) connecting the valve housing ( 2 ; 2 . 1 ; 2 . 2 ; 2 . 3 ; 2 . 4 ) to the actuator ( 3 ), the lantern-type housing ( 3 . 1 ) presenting, at least on its valve housing-sided end, means ( 2 f , 2 g / 3 . 1 d , 3 . 1 e ) for the connection to the valve housing ( 2 ; 2 . 1 ; 2 . 2 ; 2 . 3 ; 2 . 4 ), wherein the lantern-type housing ( the lantern-type housing ( the lantern-type housing ( each valve housing-sided bayonet collar ( a bearing bush within said lantern-housing, said bearing bush including an outer edge and an end in the area of the valve housing-side, in the area of the valve housing-side end of the bearing bush ( in the closed position of the bayonet joint the end of the lug (