Supercharger
Patent
·
OSTI ID:6313942
A supercharger system for an internal combustion engine is described comprising a centrifugal compressor including a housing having an inlet port for receiving air and an outlet port for discharge of compressed air to the engine, the compressor including a rotatable compressor wheel having a base part and radial vanes, and a volute enclosing the compressor wheel; drive means for the compressor including a driven shaft supporting the compressor wheel, with a driven gear on the driven shaft, a driving shaft and a driving gear on the driving shaft in the housing engaging the drive gear, means driving the drive shaft, and means mounting the housing on the engine, the housing having an internal wall against which the compressor wheel is mounted, the wheel being counter sunk into the wall an amount substantially equal to the thickness of the base part of the compressor wheel supporting the vanes such that air flowing outwardly from the compressor wheel flows smoothly across the wall; characterized in that the inlet port is located on the volute such that air enters the volute at the center of the compressor wheel and is compressed through a full circle, exiting the compressor wheel essentially tangentially thereof, and a generally triangular bracket is fastened to the housing spaced from the driving shaft having a first bolt hole at one apex and a bolt fastening the bracket to the housing, a second hole at another apex of the bracket, a short shaft anchored in the second hole and an idler pulley carried on the shaft, a pair of arcuate slot openings concentric with the first bolt hole and bolts in the slots threadedly engaged with the housing for locating the idler pulley at a desired location relative to the housing.
- Assignee:
- IMS; EDB-93-105705
- Patent Number(s):
- A; US 5224459
- Application Number:
- PPN: US 7-720412
- OSTI ID:
- 6313942
- Country of Publication:
- United States
- Language:
- English
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