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US 2019/0170161 A1Published application
Fan housing for reduced noise
AssigneeHewlett-Packard Development Company, L.P.
InventorsGunay Ozturk, Robert Yraceburu, Charles Hugh Oppenheimer, William Winters
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Abstract
A fan includes: a housing; and an impeller with an axis and a plurality of blades, the impeller mounted inside the housing; and a plurality of outlets from the housing, each outlet including a cutoff with a top and a bottom. A line between the top and bottom of each cutoff is not parallel to the axis of the impeller.
Claims15
A fan comprising:
- a housing;
- an impeller with an axis and a plurality of blades, the impeller mounted inside the housing;
- a plurality of outlets from the housing, each outlet comprising a cutoff with a top and a bottom, wherein a line between the top and bottom of each cutoff is not parallel to the axis of the impeller.
A housing for a fan, the housing comprising:
- a first output port with a first cutoff;
- and
- a second output port with a second cutoff,
- wherein the first cutoff is shaped relative to a direction of flow of fluid exiting the first output port.
1 more element
A method of operating a fan with multiple output ports, the method comprising:
- producing a first audio profile from the output of a first output port;
- and
- producing a second audio profile from the output of a second output port, wherein the first and second audio profiles may differ from each other.
Dependencies are inferred from the claim text.