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.

Date of Patent:
Apr. 01, 2025

Filed:

Apr. 16, 2020
Applicant:

De' Longhi Appliances S.r.l. Con Unico Socio, Treviso, IT;

Inventors:

Paolo Evangelisti, Treviso, IT;

Nicola Piovan, Treviso, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47J 31/36 (2006.01); A47J 31/46 (2006.01);
U.S. Cl.
CPC ...
A47J 31/3619 (2013.01); A47J 31/469 (2018.08);
Abstract

An automatic machine for preparing beverages, in particular American coffee, including a unit to feed the coffee powder, a mobile infusion unit having an infusion cylinder which delimits an infusion chamber, and a hydraulic circuit configured to heat the water for the infusion and feed it to the infusion chamber, where the infusion unit has an expulsion piston slidable inside the infusion cylinder and delimiting at the lower part the infusion chamber, and a valve device provided with a valve body and a closing piston which can engage with the infusion cylinder in order to close the infusion chamber.


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