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. 08, 2006

Filed:

Jan. 24, 2005
Applicants:

Robert T. Mac Vicar, Downers Grove, IL (US);

Vijaya Kumar, Darien, IL (US);

John R. Zagone, Westmont, IL (US);

Inventors:

Robert T. Mac Vicar, Downers Grove, IL (US);

Vijaya Kumar, Darien, IL (US);

John R. Zagone, Westmont, IL (US);

Assignee:

Electro-Motive Diesel, Inc., LaGrange, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02F 1/36 (2006.01);
U.S. Cl.
CPC ...
Abstract

An improvement to a diesel engine cylinder head disclosed in U.S. Pat. No. 4,860,700, wherein the improvement comprises any of: a by-pass opening formed in partition walls thereof; a spine density of less than about five spines per square inch; spacing an inner chamber wall surface thereof with respect to an inner fire-face wall surface thereof between about 0.75 inches and 0.25 inches; coolant by-pass ports thereof having a cross-section of between about 0.1875 inches and 0.0625 inches; and a radial rib thereof extending complete and free of any rib opening.


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