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. 07, 2026

Filed:

Apr. 13, 2022
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventor:

Martin Mueller, Moeglingen, DE;

Assignee:

ROBERT BOSCH GMBH, Stuttgart, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 21/02 (2006.01); F02M 51/06 (2006.01);
U.S. Cl.
CPC ...
F02M 21/0254 (2013.01); F02M 21/0269 (2013.01); F02M 51/0625 (2013.01); F02M 21/0206 (2013.01);
Abstract

A gas injector for injecting a gaseous fuel. The gas injector includes a magnetic actuator having an armature, an inner pole, and a coil, a closing element which opens and closes off a gas path at a sealing seat, the armature being operatively connected to the closing element, a sealed lubricant chamber filled with a lubricant and in which the armature is arranged, wherein the lubricant ensures lubrication of the armature, and a brake device which is arranged in the lubricant chamber and is designed to brake the closing element when the gas injector is reset from the open state to the closed state. The brake device has a brake pin, a damping chamber filled with lubricant and fluidically connected to the lubricant chamber via a first fluid path, a resilient brake element, an armature pin which is operatively connected to the armature and includes a guide disk.


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