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:
Aug. 22, 2017

Filed:

May. 04, 2015
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventor:

Martin Willi, Dunlap, IL (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B 19/08 (2006.01); F02B 19/10 (2006.01); F02B 19/12 (2006.01); F02B 19/18 (2006.01); F02M 21/02 (2006.01); F02B 43/10 (2006.01);
U.S. Cl.
CPC ...
F02B 19/08 (2013.01); F02B 19/10 (2013.01); F02B 19/108 (2013.01); F02B 19/12 (2013.01); F02B 19/18 (2013.01); F02M 21/0248 (2013.01); F02B 2043/103 (2013.01);
Abstract

A nozzle for a prechamber assembly of an engine includes a nozzle body. The nozzle body is hollow and includes an outer surface and an inner surface. The outer surface defines an outer opening, and the inner surface defines an interior chamber and an inner opening. The nozzle body includes an orifice surface which defines an orifice passage extending between, and in communication with, the outer and inner openings. The orifice passage is in communication with the interior chamber via the inner opening. The orifice surface is continuously curved. The inner surface of the nozzle body can include a groove surface that is contiguous with the orifice surface. The groove surface defines an orifice groove in communication with the interior chamber and with the orifice passage.


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