Viscous fluid heater
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United States of America Patent
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-
Sep 1, 1998
Issued Date -
N/A
app pub date -
Jun 6, 1997
filing date -
Jun 7, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved viscous fluid heater is disclosed. The heater has a rotor that is operably coupled to a drive shaft. The rotor is disposed in a heating chamber filled with viscous fluid. The rotor is rotated with the drive shaft to shear the viscous fluid and generate heat in the heating chamber. The rotor has a flat rotor body and a boss. The boss has an axial length greater than that of the rotor body. A mechanism is provided with at least the boss. The mechanism mounts the rotor on the drive shaft and transmits torque of the drive shaft to the rotor.
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