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:
May. 09, 2017
Filed:
Nov. 20, 2013
Applicant:
Stanadyne Corporation, Windsor, CT (US);
Inventor:
Mark S. Cavanagh, West Granby, CT (US);
Assignee:
Stanadyne LLC, Windsor, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02M 69/04 (2006.01); F02M 61/16 (2006.01); F02M 19/06 (2006.01); F02D 19/06 (2006.01); F02M 37/22 (2006.01);
U.S. Cl.
CPC ...
F02M 61/165 (2013.01); F02D 19/0668 (2013.01); F02M 19/066 (2013.01); F02M 37/22 (2013.01); F02M 2200/27 (2013.01);
Abstract
A tubular debris shield and diverter mounted in a high pressure flow passage within a fuel injector, provide the dual functions of passing the main flow of high pressure fuel with large debris particles to relatively large discharge openings, such as the injector spray holes, while allowing some high pressure fuel to flow through a multitude of very small transverse holes to a sensitive hydraulic component, such an injector control valve circuit. In one embodiment, the tube has a wall thickness in the range of about 0.1 to 0.5 mm at least about 2000 holes with a diameter in the range of about 20 to 30 microns.