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:
Mar. 08, 2022
Filed:
Sep. 12, 2019
Applicant:
A.p. Møller—mærsk A/s, Copenhagen K, DK;
Inventor:
Tim Reeve, Copenhagen, DK;
Assignee:
A.P. Møller—Mærsk A/S, Copenhagen K, DK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02M 57/02 (2006.01); F02D 19/04 (2006.01); F02M 61/10 (2006.01); F02M 51/06 (2006.01); F02D 19/06 (2006.01); F02D 41/00 (2006.01);
U.S. Cl.
CPC ...
F02M 57/02 (2013.01); F02D 19/04 (2013.01); F02D 19/0602 (2013.01); F02D 19/0657 (2013.01); F02D 19/0668 (2013.01); F02D 19/0684 (2013.01); F02M 51/0671 (2013.01); F02M 61/10 (2013.01); F02D 41/0025 (2013.01);
Abstract
Disclosed is a valve needle for a needle valve of a slurry fuel injector valve, the valve needle comprising: a tip for abutting a needle valve seat of the needle valve; a sealing portion for location in a bore of the needle valve; and a fuel chamber portion between the tip and the sealing portion, wherein the fuel chamber portion is for location in a needle fuel chamber of the needle valve; wherein a surface of the sealing portion of the valve needle comprises at least one groove and wherein at least part of the or each groove extends in a direction that is non-perpendicular to an axial direction of the valve needle.