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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.:

US 12768325 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Mar. 08, 2023

Fuel pump for a direct injection system

Applicant:

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

Inventors:

Armando Spizzirri, Corbetta, IT;

Riccardo Marianello, Corbetta, IT;

Luca Mancini, Corbetta, IT;

Stefano Petrecchia, Corbetta, IT;

Michele Petrone, Corbetta, IT;

Paolo Pasquali, Corbetta, IT;

Assignee:

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

Attorney:

Howard & Howard Attorneys PLLC

Primary Examiner:

Charles G Freay

Assistant Examiner:

Lilya undefined Pekarskaya

Int. Cl.
CPC ...
F02M 59/46 (2006.01); F04B 53/10 (2006.01); F02M 59/36 (2006.01);
U.S. Cl.
CPC ...
F02M 59/462 (2013.01); F04B 53/10 (2013.01); F02M 59/367 (2013.01); F02M 59/46 (2013.01); F02M 59/464 (2013.01);
Abstract

A valve assembly for a fuel pump and having: a one-way outlet closing valve, which only allows fuel to flow out; a one-way pressure relief valve, which only allows fuel to flow in; a connector, which has a housing on the inside; a valve disc, which engages the housing of the connector and has a plurality of through outlet holes and a through relief hole; an annular body which is arranged in the housing of the connector and has a central through hole; a spring, which is part of the pressure relief valve, is arranged in the central hole of the annular body and pushes a shutter of the pressure relief valve; and a connection element interposed between the shutter of the pressure relief valve and the spring. The central hole of the annular body has an annular protuberance which constitutes a limit stop that limits the travel of the connection element.

Find Patent Forward Citations

Spizzirri, Armando. (2026). Fuel pump for a direct injection system (U.S. Patent No. 12768325). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12768325

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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