The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 12, 2014
Filed:
Nov. 23, 2011
Giancarlo Porzio, Villastanza Di Parabiago, IT;
Carlo Carbonini, Villastanza Di Parabiago, IT;
Giancarlo Porzio, Villastanza Di Parabiago, IT;
Carlo Carbonini, Villastanza Di Parabiago, IT;
Ranchilio Group S.p.A., Villastanza di Parabiago, IT;
Abstract
The present invention relates to a machine for preparing coffee infusions by means of a liquid under pressure, in particular water under pressure, the machine comprising: a pump assembly () arranged to raise the pressure of the liquid outgoing from the pump assembly up to a preset pressure value (PI); one or more dispensing units () connected to the pump assembly, each dispensing unit () being arranged to dispense the coffee infusion; one or more pressure managing devices (), each managing device () being connected to a certain dispensing unit (). In the machine (), the pressure managing device () includes a first duct () and at least one second duct () that are connected in parallel, have a common outlet and are arranged to supply the dispensing unit (), during the coffee infusion preparation, with liquid at different pressures. The invention further concerns the pressure managing device () and a method of preparing the coffee infusion, including dynamically modifying the pressure during the infusion preparation.