Internal-combustion engines – Intake manifold
Patent
1993-07-06
1994-08-30
Argenbright, Tony M.
Internal-combustion engines
Intake manifold
123572, 123568, 123339, F02M 3510, F02M 2506, F02F 142, F01M 1300
Patent
active
053417720
ABSTRACT:
An intake manifold for an internal combustion engine having a cylinder head is disclosed. The intake manifold includes at least one intake pipe with an intake flange for leak-free attachment of the manifold to the cylinder head by way of a sealing element. A bypass line is provided for feeding a secondary gas into the intake opening of the internal combustion engine. The secondary gas is fed into the bypass line through a connection, preferably a hose connection. The bypass line is formed by a groove in the intake flange which is open in the direction of the cylinder head and delimited on one side by the intake flange and on the other side by a sealing element. The connection is connected to one end of the groove, and the intake opening is connected to the other end of the groove.
REFERENCES:
patent: 3043286 (1962-07-01), Blomberg
patent: 4068637 (1978-01-01), Takamiya
patent: 4262639 (1981-04-01), Motosugi et al.
patent: 4325346 (1982-04-01), Yokoyama
Andrews Chris
Boardman Tom
Dohring Klaus
Argenbright Tony M.
Firma Carl Freudenberg
Macy M.
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