Internal-combustion engines – Charge forming device – Supercharger
Reexamination Certificate
2007-11-21
2010-02-02
Trieu, Thai Ba (Department: 3748)
Internal-combustion engines
Charge forming device
Supercharger
C184S006120, C184S011100, C184S013100, C415S199100, C415S124200, C415S122100
Reexamination Certificate
active
07654251
ABSTRACT:
A centrifugal supercharger includes a case presenting a compressor chamber and a transmission chamber. An impeller in the compressor chamber is mounted to a shaft that extends into the transmission chamber. The impeller shaft is drivingly connected to a power input shaft by intermeshing gears provided on the shafts. A portion of the transmission chamber defines a fluid reservoir in which lubrication fluid is held. The intermeshing gears, as well as the bearing assemblies supporting the shafts, are located outside the fluid reservoir portion of the transmission chamber. A rotatable fluid-propelling element partly submerged in the lubrication fluid contained within the reservoir portion ensures that sufficient but not excessive lubrication fluid is supplied to the intermeshing gears and the bearing assemblies. A dedicated lubricant reserve system ensures that the required operating level of fluid is provided to, and maintained in, the reservoir portion.
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Jones Daniel W.
Roderique Glennon J.
Accessible Technologies, Inc.
Hovey & Williams, LLP
Trieu Thai Ba
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