Heated intake manifold for four stroke outboard motor

Internal-combustion engines – Intake manifold – Manifold material or composition

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Details

277236, F02B 7522

Patent

active

053927427

ABSTRACT:
Disclosed herein is a four stroke internal combustion engine comprising a cylinder head fabricated of metal and including an intake manifold mounting surface, and an intake passage including a port in the intake manifold mounting surface, an intake manifold fabricated of metal and including a cylinder head mounting surface, and an intake passage including a port in the cylinder head mounting surface, a fastener connecting the intake manifold to the cylinder head with the ports in registration and with the cylinder head mounting surface and the intake manifold mounting surface in metallic surface-to-surface contact, and a seal between the intake manifold mounting surface and the cylinder head mounting surface.

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