Air-cooled turbocharger with optional internal pressure relief valve

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United States of America Patent

PATENT NO 8784036
APP PUB NO 20120003081A1
SERIAL NO

12803618

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Abstract

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A cooling system for a turbocharger that has a cooling jacket in the bearing housing wherein air is bled from the area behind the compressor wheel and introduced into the cooling jacket, through which it circulates and then exits into the atmosphere. In addition, a pressure relief valve located behind the compressor wheel is set to open at a predetermined charge air pressure level to introduce additional cooling air into the cooling jacket and also acts to limit the maximum rotational speed of the turbocharger over the high-speed range of the engine on which the turbocharger is mounted. In an alternate embodiment of the invention, cooling air can be taken from the intake manifold system of a turbocharged engine downstream of an air-to-air aftercooler and ducted to the cooling jacket in the turbocharger bearing housing.

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Patent Owner(s)

  • DELGADO, LAUREN N

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Woollenweber, William E Carlsbad, US 38 1653

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