Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Plural distributing means immediately upstream of runner
Reexamination Certificate
2007-08-14
2007-08-14
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Plural distributing means immediately upstream of runner
C415S186000, C415S203000, C415S224000
Reexamination Certificate
active
11080764
ABSTRACT:
A heat dissipating device includes a motor, a rotary unit, and a housing for receiving the motor and the rotary unit. The rotary unit includes a hub mounted to the motor and blades extending from the hub. The housing defines a hot air inlet, a hot air outlet, a cold air inlet, and a cold air outlet. The housing includes a first partition and a second partition located close to outer ends of the blades. The two partitions divide the housing into a first channel coupling the hot air inlet and the hot air outlet, and a second channel coupling the cold air inlet and the cold air outlet. The two partitions have widths greater than a pitch of the blades to prevent air from mixing in the two channels. The two channels create a bi-directional blower that removes hot air from and provides cold air into a computer case.
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Hsia David C.
Look Edward K.
Patent Law Group LLP
White Dwayne J
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