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

Claim 2:
3. 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 the two diverging curves comprise non-linear curves, and,
wherein the non-linear curves have a superposed offset in an opening direction.