Patent ID: 6082705
Filing Date: 2000-07-04
Classification: A61M,A62B,F16K

Abstract:
A valve for regulating a flow of a medium comprising:a valve housing having an inlet for incoming medium to be regulated, and, an outlet from which regulated medium flows, said inlet and said outlet defining a regulated flow path therebetween;a valve face having a valve opening disposed in said housing between said inlet and said outlet;a membrane disposed adjacent said valve opening having an edge region fixedly held in said valve housing and having a membrane region which is movable by said medium in said regulated flow path in a direction of flow of said medium in a direction which opens said valve opening;a duct in said housing through which said medium flows in addition to flowing in said regulated flow path, disposed between said inlet and a side of said membrane region facing away from said valve face; andan energizable solenoid having a solenoid shaft, said solenoid shaft having a first end adjacent said membrane region and causing displacement of said membrane region dependent on energization of said solenoid, and said solenoid shaft having an opposite second end disposed for communicating with said medium in said duct, said medium in said duct acting on said solenoid shaft in combination with energization of said solenoid to displace said membrane region.