Gas seal vanes of variable nozzle turbine

Patent · Tue Feb 17 04:00:00 EST 1987

OSTI ID:6721036

Burdette, F E; Fleury, J L; Rossler, M

A turbocharger is described comprising: an exhaust gas driven turbine mounted to a rotatable shaft having a compressor impeller thereon; a turbine housing forming a volute therein for directing exhaust gas from an engine through an annular passage, formed in part by the turbine housing, to the turbine; means for varying the gas flow area of the annular passage including a spring loaded annular nozzle ring defining one boundary of the annular passage and having vanes mounted thereto circumferentially about the axis of the turbine; means for pivoting the plurality of vanes; and at least three equally spaced spacer pins mounted to the nozzle ring circumferentially about the axis of the turbine, each of the spacer pins having an extension which is matable within a bore formed in the turbine housing which defines the annular passage.

• Assignee: Garrett Corp., Los Angeles, CA
• Patent Number(s): US 4643640
• OSTI ID: 6721036
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330100* -- Internal Combustion Engines
ANNULAR SPACE
COMPRESSORS
CONFIGURATION
ENGINES
EXHAUST GASES
FLUIDS
GAS TURBINES
GASEOUS WASTES
GASES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINERY
NOZZLES
SEALS
SPACE
SPACERS
SUPERCHARGERS
TURBINES
TURBOCHARGERS
TURBOMACHINERY
VANES
WASTES