Internal-combustion engines – Intake manifold – Manifold material or composition
Patent
1995-06-22
1997-06-10
McMahon, Marguerite
Internal-combustion engines
Intake manifold
Manifold material or composition
F02M 3510
Patent
active
056366051
ABSTRACT:
A composite intake manifold includes a first outer member, an inner member fitted within the first outer member, and a second outer member fixed to the first outer member. An intake port of the manifold includes a curved portion. The curved portion is defined by the inner member and at least one of the first outer member and the second outer member. The curved portion of the intake port is divided at a seam parallel to an axis of the curved portion of the intake port so that the respective members can be molded without using a molding core.
REFERENCES:
patent: 4111163 (1978-09-01), Ederer et al.
patent: 5003933 (1991-04-01), Rush et al.
SAE 930087 --1993 GM 3800 V6 Composite Upper Inlet Manifold.
Nomizo Fumio
Yasukawa Masao
McMahon Marguerite
Toyota Jidosha K.K.
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