Fluid reaction surfaces (i.e. – impellers) – Protective screen or guard – Water or marine propellers
Reexamination Certificate
2006-02-28
2006-02-28
Look, Edward K. (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Protective screen or guard
Water or marine propellers
C415S220000
Reexamination Certificate
active
07004726
ABSTRACT:
A fan assembly includes a fan mounted within a housing that features an inward concave arrangement for an inner face of its housing to reduce the distance between the housing and a center shaft of the fan blades. In this way, fan vibration and noise can be reduced.
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Fenwick & West LLP
Hanan Devin
Look Edward K.
Shuttle Inc.
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