Rotary kinetic fluid motors or pumps – Including additional means causing or controlling fluid flow... – Means subjected to or is working fluid
Reexamination Certificate
2006-09-05
2006-09-05
Look, Edward K. (Department: 3745)
Rotary kinetic fluid motors or pumps
Including additional means causing or controlling fluid flow...
Means subjected to or is working fluid
C415S208100, C415S211200, C415S220000
Reexamination Certificate
active
07101149
ABSTRACT:
The axial fan for a computer comprises a rotatable fan blade unit and a motor unit. The fan blade unit comprises a fan head and a plurality of fan blades arranged radially thereto. The motor unit is held by supports passing through the airflow. The supports have a distance of at least 7.5 mm from the fan blades measured in axial direction. Due to this distance being larger in comparison to known solutions the fan produces less disturbing noise.
REFERENCES:
patent: 4729714 (1988-03-01), Wrobel
patent: 5299632 (1994-04-01), Lee
patent: 5419780 (1995-05-01), Suski
patent: 5421402 (1995-06-01), Lin
patent: 6129528 (2000-10-01), Bradbury et al.
patent: 6236569 (2001-05-01), McEuen
patent: 6322042 (2001-11-01), Nemec
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Pictures of known axial fans provided by the applicant to his Swiss Patent Agent by e-mail on Apr. 8, 2003 fan1.jpg / fan2.jpg / fan3.jpg / fan4.jpg / fan5.jpg.
Drawing of a known radial fan provided by the applicant to his Swiss Patent Agent by e-mail on Apr. 8, 2003: “COOLER ASSY”.
Search Report issued on Nov. 3, 2005 for a German utility model that corresponds to the present U.S. application (DE-203 079 81.7, filed May 22, 2003).
arctic-cooling switzerland AG
Edgar Richard A.
Kenyon & Kenyon LLP
Look Edward K.
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