Polymeric manifold assembly and method

Details Polymeric manifold assembly and method Polymeric manifold assembly and method

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 35/10 (2006.01)

Patent

CA 2584523

A method for manufacturing an engine intake manifold assembly (1) is provided. The method includes forming a top (10), middle (20), and bottom (30) section of the manifold assembly (1) in an injection molding process, each including cavities (14, 28, 32) defined with positive draft angles, the cavities (14, 28, 32) defining a plurality of internal passageways in an assembled state of the manifold assembly (1). The top (10), middle (20), and bottom (30) sections are joined to form the manifold assembly (1) through vibration welding or ultrasonic welding. An engine intake manifold assembly (1) having top (10), middle (20), and bottom (30) sections joined through vibration welding or ultrasonic welding is also provided.

L'invention porte sur un procédé de fabrication d'un ensemble collecteur d'admission d'un moteur. Ce procédé consiste à former une section supérieure, médiane et inférieure de l'ensemble collecteur au cours d'un processus de moulage par injection, chaque section comprenant des cavités formées par les angles de dépouille positifs, les cavités formant une pluralité de passages internes assemblés de l'ensemble collecteur. Les sections supérieure, médiane et inférieure sont assemblées de façon à former l'ensemble collecteur par soudage par vibration ou soudage ultrasonique. L'invention porte également sur un ensemble collecteur d'admission de moteur comportant des sections supérieure, médiane et inférieure assemblées par soudage par vibration ou soudage ultrasonique.

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