Patent ID: 8973489
Filing Date: 2015-03-10
Classification: A23L,A47J

Abstract:
1. A device for receiving an ingredient cartridge and extracting the ingredient by passing liquid through the cartridge for preparing a beverage, comprising: a cartridge seat for receiving the cartridge for extraction, the cartridge seat comprising a first cartridge support and a second cartridge support facing the first cartridge support, the first and second cartridge supports being movable relative to one another from an open position for insertion or removal of the cartridge into the seat to a closed position for passing liquid through the cartridge; a beverage outlet connected to the cartridge seat for dispensing beverage during extraction; and a liquid injection arrangement comprising a pump for pressurising and circulating liquid from a source via the cartridge seat into the beverage outlet, the liquid injection arrangement comprising a valve between the pump and the cartridge seat, the liquid injection arrangement configured to selectively release, via the valve, pressure from the pressurised liquid in the injection arrangement after the pump is stopped, so as to inhibit dripping from the beverage outlet, the liquid injection arrangement configured to maintain liquid in the injection arrangement from the pump to the cartridge seat after the pump is stopped, and the liquid injection arrangement comprising a second valve designed to build up a controlled pressure in unheated circulating liquid, at least one support of the first and second cartridge supports is hydraulically actuatable and movable into the closed position by the liquid injection arrangement, and the liquid injection arrangement is configured to: pressurise and circulate unheated liquid to the at least one support for actuating and moving the at least one support by the circulating unheated pressurised liquid; and guide the circulating unheated pressurised liquid under pressure from the at least one support via a heater into the cartridge seat for extracting the ingredient.