Patent ID: 7044431
Filing Date: 2006-05-16
Classification: F16K,Y10T

Abstract:
1. An electromagnetically actuated valve system, comprising: a housing; an electromagnetic actuator; a main valve, which is arranged between an inlet chamber and an outlet chamber and which comprises a main valve member and a stationary valve seat; a pilot chamber, the pilot chamber being connected by way of a pilot valve, comprising at least one pilot valve member and a valve body connected with the electromagnetic actuator, with the outlet chamber and, by way of at least one connecting duct with a duct cross-section which cannot be changed during the operation, with the inlet chamber; wherein the pilot chamber is assigned to the main valve member such that the main valve member, at least in a partial area of its surfaces oriented in a mutually opposed manner viewed in a flow direction of the pressure medium, is in each case acted upon by pressure existing in the inlet chamber and pressure existing in the pilot chamber; wherein the pilot chamber is connected by way of at least one connecting duct extending through a structural element forming the main valve member with the inlet chamber, the structural element, which forms the main valve member, and the pilot valve member are free of a constructional coupling with one another; further wherein the housing has a housing base element and a covering element in whose interior wall areas a multipart insert comprising at least a first partial insert element and a second partial insert element are supported; viewed in the flow direction of the pressure medium from the inlet chamber, the second partial insert element being arranged behind the first partial insert element; wherein the stationary seat of the main valve is constructed on the first partial insert element; wherein the pilot valve member is integrated in the second partial insert element; and further wherein the connection between the pilot valve and the outlet chamber takes place by way of at least one connecting duct arranged in the insert.