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US 2007/0166156 A1Published application
Cooling fan with dynamic and static blades
OwnerChih-Min Liinventor
Life of this patent
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Abstract
A cooling fan with dynamic and static blades includes a fan and a static blade device. The fan has a fan frame with two lateral sides forming an inlet and an outlet respectively and provides dynamic blades in the fan frame. The static blades are mounted at the outlet and extend into the outlet of fan frame to reduce distance between the dynamic blades and the static blades for saving space thereof.
Claims13
A cooling fan with dynamic and static blades, comprising:
- a fan, having a fan frame with a hollow flow passage, the flow passage having an inlet at a lateral side of the fan and an outlet at another lateral side of the fan frame;
- a support seat, being disposed near the outlet and joined with a plurality of dynamic blades;
- and
- at least a static blade device, being mounted to the outlet, providing a hollow frame member with a plurality of static blades, the static blades extending axially toward one of the lateral sides and into the outlet for reducing a space between the dynamic blades and the static blades.
1 more element
Dependencies are inferred from the claim text.