초록

A multi-piece fan shroud having a front mounting flange adapted for fastening to a radiator of a motor vehicle and rear venturi portion for discharge of air to improve the efficiency and quietness of operation of the fan and shroud.

대표청구항 ▼

A multiple-piece fan shroud for use on a motor vehicle having a radiator and a belt driven fan with tips passing closely adjacent the inner periphery of the shroud comprising, at least three individually formed sections of a shroud with each section defining diverging external surfaces forming the e

A multiple-piece fan shroud for use on a motor vehicle having a radiator and a belt driven fan with tips passing closely adjacent the inner periphery of the shroud comprising, at least three individually formed sections of a shroud with each section defining diverging external surfaces forming the external surfaces of the shroud when assembled, said diverging external surfaces adapting each of said sections for removal of the section without interference from a two-piece die each section including a mounting portion defining a mounting flange on the forward portion of the shroud having a linear edge adapted for mounting on a radiator, a venturi portion integral with the mounting portion defining a restricting throat segment converging radially inward at least along a major portion of said section and providing laminar air flow through the intermediate portion of the shroud, an arcuate diffuser on the rearward portion of the shroud and integral with said venturi portion for quiet discharge of air, aligning means and fastening means for connecting the sections of the shroud to form a rectangular front mounting portion and circular rear discharge portion adapted for providing a laminar air flow structure for operating in conjunCtion with a fan.