Extruder for use in a dispenser of a loose product for the preparationof beverages
AssigneeKoninklijke Philips N.V.
InventorMark Ronald Van Der Woning
Life of this patent
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Abstract
An extruder (100) for use in a dispenser (1) of a loose product (30) for the preparation of beverages, comprising: a housing (110), defining a product inlet (112), a product outlet (114), and a bore (116) that interconnects the product inlet and the product outlet; a screw feeder (120) including a screw blade (124) that is both rotatably and translatably received in the bore (116), such that it is axially movable along the longitudinal axis (/) between a first position and a second position; and a first sealing device (126b) that is configured to releasably fluidtightly seal a portion of the bore (116) interconnecting the product inlet (112) and the product outlet (114) in dependence of the axial position of the screw blade (124).
Claims15
An extruder for use in a dispenser of a loose product for the preparation of beverages, comprising:
- a housing, defining a product inlet, a product outlet, and a bore having a longitudinal axis (l), which bore interconnects the product inlet and the product outlet;
- a screw feeder including a screw blade that is both rotatably and translatably received in the bore, such that it is axially movable along the longitudinal axis between a first position and a second position;
- and
- a first sealing device that is configured to fluidtightly seal a portion of the bore interconnecting the product inlet and the product outlet in dependence of the axial position of the screw blade, such that
- in said first position of the screw blade, the first sealing device fluidtightly seals the portion of the bore interconnecting the product inlet and the product outlet, while
- in said second position of the screw blade, rotation of the screw blade can effect a continuous extrusion of loose product, supplied at the product inlet, from the product outlet.
Dependencies are inferred from the claim text.