Patent ID: 11947367
Assignee: EBM PAPST LANDSHUT GMBH
Field: Control (Instruments)
Classification: CPC G  F | IPC F  G

Claim 0:
1. A gas flow control valve comprising:
a housing with a gas inlet,
a valve seat arranged in the housing,
a valve body assigned to the valve seat,
wherein the valve body is held by an upper spring and a lower spring and is centered by a diaphragm, and
a gas outlet which is positioned downstream of the valve body and which is provided in the housing,
wherein
the valve body is arranged in the valve seat so as to be movable in a first movement direction in order to form a controllable cross section of a passage opening for the passage of gas,
the gas flow control valve comprises an adjustable diffuser, and
the adjustable diffuser exhibits an adjustable cross-sectional characteristic by way of two diverging curves,

wherein at least one bypass geometry is formed on the valve seat at a boundary region with respect to the passage opening, and
wherein the at least one bypass geometry allows a defined throughflow of gas flow when the gas flow control valve is closed.