Wallace-murray Corporation

Household Manufacturing, Inc.

Jai K Khanna

John Frederick Cutler

Norman G Silvey

Charles D Williams

A compressor stage or a turbocharger having a compressor stage having an inducer shroud with two or more vents. A first vent is provided with a second vent upstream thereof, allowing for outflow during surge conditions and inflow during choking conditions. Surge line characteristics may be varied by selectively locating the position of the first and of the second vents, and by selectively determining the effective width of the vents. The vents may be circumferential slots, and may be slanted. An outer shroud is provided forming a venting chamber for recirculation of gas into the gas intake. A third vent may be provided to vent the diffuser.

Compressor stage with multiple vented inducer shroud

A turbocharger system for an internal combustion engine. A pair of turbochargers are arranged such that the compressor of the first feeds the turbine of the second, the output of the latter fed to a first intercooler. The fan of the second turbocharger pulls ambient air through the first intercooler. The cooled air from the first intercooler is fed to a second intercooler, the latter positioned in front of the engine radiator. The output of the second intercooler is fed to the intake manifold of the engine.

Turbocharger system for an internal combustion engine

A torsional vibration damper having two inertia members. A first inertia member is coupled to a hub by elastomer. A second inertia member is positioned within an annular cavity and is surrounded by a liquid of high viscosity. Under the influence of torsional vibrations relative movement arises between the hub and first inertia member, the hub and the second inertia member, and the first and second inertia members. The latter relative motion inhibits the attainment of resonance by either of the two inertia members.

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Indianapolis, IN, United States of America

Jai K Khanna