Constitution of protecting fuel delivery tube of engine

Internal-combustion engines – Frame construction – Horizontal cylinder

Reexamination Certificate

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C123S1950HC

Reexamination Certificate

active

06868818

ABSTRACT:
A constitution of protecting a fuel delivery tube of an engine, includes: 1) an engine body including: a) a cylinder head, and b) a ladder cam bracket defining an outer wall on a side section thereof, including: i) an outer frame, ii) an intake cam bracket, and iii) an exhaust cam bracket integrated with the outer frame and holding an exhaust cam shaft; 2) the fuel delivery tube disposed beside the engine body and extending in a direction substantially along a row of a cylinder; and 3) an intake manifold made of a material free from a metal. The outer wall of the ladder cam bracket is formed with a protrusion which protrudes toward a branch section of the intake manifold in such a manner as to prevent the branch section of the intake manifold from causing an interference with the fuel delivery tube.

REFERENCES:
patent: 4471731 (1984-09-01), Kasting et al.
patent: 4793299 (1988-12-01), Ishimura et al.
patent: 6076505 (2000-06-01), Guggenmos et al.
patent: 0 293 278 (1988-11-01), None
patent: 1 304 473 (2003-04-01), None
patent: 10-252588 (1998-09-01), None

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