Actuation system for variable nozzle turbine

Patent · Tue Jul 14 04:00:00 EDT 1987

OSTI ID:6191269

Swihart, W R; Deacon, E R

This patent describes a turbocharger, for use in association with an engine, comprising: an exhaust gas driven turbine rotatably mounted to a shaft having a compressor impeller; a compressor housing enclosing the compressor impeller; a center housing including bearing means for rotatably supporting the shaft; a turbine housing forming a volute for directing exhaust gas; a backplate mounted between the center housing and the turbine housing and defining an annular cavity; an annular unison ring positioned within the annular cavity of the backplate; a turbine side wall, independent of the turbine housing; the side wall defining one side of an annular passage, the unison ring and backplate defining the other side; vanes pivotably mounted between the backplate and the turbine side wall; means for pivoting the vanes; and at least three spacers between the backplate and the turbine side wall.

• Assignee: Garrett Corp., Los Angeles, CA
• Patent Number(s): US 4679984
• OSTI ID: 6191269
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
COMPRESSORS
DESIGN
ENGINES
EXHAUST GASES
FLUIDS
GAS COMPRESSORS
GAS TURBINES
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINE PARTS
MACHINERY
MOTION
NOZZLES
OPERATION
RINGS
ROTATION
SHAFTS
SPACERS
SUPERCHARGERS
TURBINES
TURBOCHARGERS
TURBOMACHINERY
WASTES