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:
Oct. 09, 1979

Filed:

Aug. 08, 1977
Applicant:
Inventors:

Sam R Congram, Peoria, IL (US);

John M Corkill, Morton, IL (US);

Assignee:

Caterpillar Tractor Co., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02B / ;
U.S. Cl.
CPC ...
1231 / ; 123 / ; 261145 ; 261144 ; 165 52 ;
Abstract

A multi-fuel internal combustion engine block, head and manifold assembly having a plurality of intake ports and exhaust ports communicating with a plurality of cylinders through one side of the assembly includes a low profile intake and exhaust manifold construction wherein separate, generally U-shaped intake and exhaust manifolds of generally elliptical cross-section communicate with the intake and exhaust ports, respectively, each of the manifolds including a planar face in contact with the face of the other manifold, the faces being of the same size and of a length corresponding to at least 50% of the total length of the intake manifold and of a width equal to at least 25% of the periphery of the intake manifold to facilitate operation on leaded gasoline, leadfree gasoline, or bottled gas.


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Congram, Sam. (1979). Intake and exhaust manifolds (U.S. Patent No. 4170203). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4170203

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