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:
Sep. 28, 2021

Filed:

Mar. 23, 2020
Applicant:

Marelli Europe S.p.a., Corbetta, IT;

Inventors:

Antonio Zito, Bologna, IT;

Antonio Barbuto, Bologna, IT;

Assignee:

MARELLI EUROPE S.p.A., Corbetta, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 25/022 (2006.01); F02B 47/02 (2006.01); F02D 41/00 (2006.01); F02D 41/04 (2006.01); F02M 25/028 (2006.01);
U.S. Cl.
CPC ...
F02M 25/0227 (2013.01); F02B 47/02 (2013.01); F02D 41/0025 (2013.01); F02D 41/042 (2013.01); F02M 25/028 (2013.01); F02M 25/0222 (2013.01); F02M 25/0224 (2013.01);
Abstract

Injection method and system for the injection of water in an internal combustion engine; the following steps are substantially comprised: operating, when the internal combustion engine is turned on, a reversible pump in order to suck water from a tank and feed the water under pressure to an injector through a feeding duct; cyclically opening, when the internal combustion engine is turned on, the injector in order to inject the water towards at least one cylinder of the internal combustion engine; and draining the water, when the internal combustion engine is turned off, from the injector and the feeding duct by using a release valve connecting the feeding duct to the outside.


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