Gas and liquid contact apparatus – Contact devices – Rotating
Patent
1997-03-24
1998-07-28
Miles, Tim R.
Gas and liquid contact apparatus
Contact devices
Rotating
B01F 304
Patent
active
057858993
ABSTRACT:
An apparatus for aerating a liquid, having a surface, employs a motor having a rotating member and a non-rotating member. A shaft is coupled to the rotating member of the motor. Also coupled to the shaft is an input of a planetary gear assembly, comprising stationary upper portion and a rotatable lower portion. The rotatable lower portion is coupled to the axial section of an aeration rotor so that as the aeration rotor is placed in the liquid, a portion of the planetary gear assembly is in contact with the liquid, thereby facilitating cooling of the planetary gear assembly by the liquid. The planetary gear assembly also comprises a seal between the stationary upper portion and the rotatable lower portion disposed above the liquid and disposed above substantially all of the oil in the planetary gear assembly so as to inhibit spillage of oil from the planetary gear assembly into the liquid if the seal fails. A torque tube having a first end and an opposite second end connects the motor to the planetary gear assembly. The first end is affixed to the non-rotating member of the motor and the second end is affixed to the upper stationary portion of the planetary gear assembly. The torque tube also defines a lengthwise passage passing therethrough. The shaft passes through the lengthwise passage, so that the torque tube maintains the upper stationary portion of the planetary gear assembly in a fixed relationship to the non-rotating member of the motor.
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DBS Manufacturing, Inc.
Miles Tim R.
LandOfFree
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