FLUID PUMP

An inlet valve assembly of a fluid pump comprises an inlet valve member movable between a closed position and an open position. In the closed position the inlet valve member is arranged to block a pump chamber inlet to prevent fluid from entering or exiting a pump chamber of the fluid pump through t...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PLAYLE, Andrew, KAHRAMAN, Erol
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:An inlet valve assembly of a fluid pump comprises an inlet valve member movable between a closed position and an open position. In the closed position the inlet valve member is arranged to block a pump chamber inlet to prevent fluid from entering or exiting a pump chamber of the fluid pump through the pump chamber inlet. In the open position the inlet valve member is arranged to allow fluid to enter or exit the pump chamber through the pump chamber inlet. The inlet valve assembly further comprises a first biasing means configured to bias the inlet valve member in a first direction, d1, towards the open position, when the inlet valve member is in the closed position; and a second biasing means configured to reduce the speed of the inlet valve member when the inlet valve member is moving in the first direction, d1, towards the open position.