Patent ID: 8251036
Filing Date: 2012-08-28
Classification: B60K,F02M

Abstract:
1. An engine air induction duct connection assembly configured to be connected to a throttle body inlet, comprising: an expansion duct defining a protruding outlet portion and a protruding flange provided on an outboard surface of the protruding outlet portion; and a rubber bellow cuff defining a C-shaped rim, a single C-shaped bellow, and a clamp groove portion located beside the C-shaped bellow, wherein the C-shaped rim is over molded to the protruding flange, one end of the C-shaped bellow is connected to the C-shaped rim, the other end portion of the C-shaped bellow is connected to the clamp groove portion, the clamp groove portion is configured to receive an end potion of the throttle body inlet, the C-shaped bellow defines a hollowed outboard surface, a diameter of an inner surface of the clamp groove portion is larger than a diameter of an inboard surface of the C-shaped bellow, the hollowed outboard surface is configured to be located between the protruding flange and the end portion of the throttle body inlet, and the C-shaped bellow prevents the protruding outlet portion from being coaxially overlapped with the end portion of the throttle body inlet.