TUNNEL FAN AND METHOD
First Claim
Patent Images
1. A fan assembly, comprising:
- a housing open on two ends, the housing defining an air flow channel between a first end of the housing, and a second end of the housing;
an impeller located within a middle portion of the housing;
a first nozzle located within the air flow channel between the impeller and the first end of the housing; and
a second nozzle located within the air flow channel between the impeller and the second end of the housing.
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Accused Products
Abstract
A fan assembly, and associated methods are shown. Fan assemblies and methods shown include nozzles within a housing of the fan. Fan assemblies and methods shown may provide water and/or fire suppression chemicals within a fan housing that provide characteristics such as increased thrust and motor cooling effects.
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Citations
21 Claims
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1. A fan assembly, comprising:
a housing open on two ends, the housing defining an air flow channel between a first end of the housing, and a second end of the housing; an impeller located within a middle portion of the housing; a first nozzle located within the air flow channel between the impeller and the first end of the housing; and a second nozzle located within the air flow channel between the impeller and the second end of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A fan assembly, comprising:
a housing open on two ends, the housing defining an air flow channel between a first end of the housing, and a second end of the housing; an impeller located within a middle portion of the housing; a first silencer coupled to at least one of the first and second ends of the housing; a first nozzle located on a first axial side of the impeller; and a second nozzle located on a second axial side of the impeller opposite the first axial side. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A method, comprising:
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operating a fan in a tunnel to move air along an axis of the tunnel in a first direction; and adding water to an airflow of the fan, within a housing of the fan, at an upstream location of the fan. - View Dependent Claims (18, 19, 20, 21)
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Specification