Turbine with spur gearing
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United States of America Patent
Stats
-
Feb 18, 1992
Grant Date -
N/A
app pub date -
Feb 21, 1990
filing date -
Mar 4, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A turbine has a housing, an impeller centered on and rotatable about an axis in the housing, and a small-diameter bearing stem centered on the axis, fixed on the housing, and extending from an attachment location on the housing toward the impeller. A pinion traversed by the bearing stem is fixed to the impeller and forms with the impeller a rotor having a center of mass spaced axially a predetermined distance from the attachment location. A gear rotatable on the housing adjacent the axis and meshing with the pinion is supported on the stem by an inner bearing engaged between the pinion and the stem. An outer bearing supports the rotor on the stem of the axle assembly at a bearing location spaced from the attachment location by a distance equal to between 0.4 and 1.2 times the predetermined distance between the center of mass and the attachment location.
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