Air supply distributor for an internal combustion engine

Details Air supply distributor for an internal combustion engine Air supply distributor for an internal combustion engine

2011-04-19

2011-04-19

Cronin, Stephen K (Department: 3747)

Internal-combustion engines

Intake manifold

For in-line engine

C123S184450

Reexamination Certificate

active

07926460

ABSTRACT:
An air distributor including a cylindrical tubular body including connecting channels for supplying cylinders of an internal combustion engine, branches of which open in an aligned manner along a generatrix of the tubular body. The tubular body extends upstream into the branches of a 180° elbow that opens at an air inlet, the elbow inclined in relation to the diametral plane of the tubular body containing generatrix. A recess is provided in the tubular body opposite the branches of the first and second distributed cylinders. The recess has a converging/diverging profile around the lowest area between the branches, and the recess can use Venturi effect to reduce drop in swirl in the second distributed cylinder induced by architecture of the inclined elbow distributor, by regulating airflows in the channels. The distributor can mount to an intake face of a diesel engine cylinder head with two intake ducts per cylinder.

REFERENCES:
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U.S. Appl. No. 12/095,810, filed Jun. 2, 2008, Alizon, et al.

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