Blower
First Claim
Patent Images
1. A blower comprising:
- a housing having a top surface, and further comprising a main inlet and at least one secondary inlet; and
an impeller disposed in the housing and having;
a hub;
a plurality of blades disposed around the hub; and
at least one annular plate connected to the blades and partially blocking the secondary inlet, said at least one annular plate being non-coplanar with the top surface of the housing.
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Abstract
A blower includes a housing and an impeller. The housing has a main inlet and at least one secondary inlet. The impeller is disposed in the housing and has a hub, a plurality of blades and at least one annular plate. Those blades are disposed around the hub. The annular plate is connected to those blades and partially blocked the secondary inlet.
17 Citations
18 Claims
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1. A blower comprising:
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a housing having a top surface, and further comprising a main inlet and at least one secondary inlet; and an impeller disposed in the housing and having; a hub; a plurality of blades disposed around the hub; and at least one annular plate connected to the blades and partially blocking the secondary inlet, said at least one annular plate being non-coplanar with the top surface of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A blower comprising:
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a housing comprising a side outlet and a first inlet; and an impeller disposed in the housing; wherein the first inlet is non-coaxial and biased near the low-pressure zone, and a flow tunnel is formed between the impeller and the housing and divided into a high-pressure zone ranging from a narrowest part of the flow tunnel and a low-pressure zone approaching the side outlet. - View Dependent Claims (14, 15, 16, 17, 18)
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Specification