Turbocharger with turbine backplate and center housing oil shield

Patent · Tue Jun 25 04:00:00 EDT 1991

OSTI ID:5577388

Gutknecht, D A; Ho, I C

This paper describes a turbocharger. It comprises: a center housing, a compressor housing, and a turbine housing, means for securing the turbine housing and the compressor housing to the center housing, the center housing including a circumferentially extending wall defining a cavity therewithin, means carried by the center housing for rotatably supporting a shaft in the cavity, the shaft including portions extending into the compressor housing and into the turbine housing, a turbine wheel mounted on the portion of the shaft in the turbine housing, a compressor wheel mounted on the portion of the shaft in the compressor housing, the cavity having opposite ends facing the turbine and compressor housings respectively, the end facing the turbine housing being an open end, and an annular backplate member separate from the center housing and from the turbine housing, the annular backplate member circumscribing the shaft for closing the open end of the center housing, the securing means including fastening means extending between the center housing and the turbine housing, the backplate member including a portion clamped between the center housing and the turbine housing by compressive forces generated by the fastening means and transmitted from the turbine housing to the compressor housing through the portion of the backplate member, and a circumferentially extending shroud between the annular backplate member and the turbine wheel.

• Assignee: Allied-Signal Inc., Morristown, NJ (United States)
• Patent Number(s): A; US 5026260
• Application Number: PPN: US 7-404384
• OSTI ID: 5577388
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
330103 -- Internal Combustion Engines-- Turbine
330603* -- Vehicle Design Factors-- Engine System
COMPRESSORS
DESIGN
ENGINES
EQUIPMENT
GAS TURBINE ENGINES
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
MACHINERY
SUPERCHARGERS
TURBOCHARGERS
TURBOMACHINERY