Evaporative cooler with improved air handling mechanism
OwnerAdam D. Goettlinventor
Life of this patent
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Abstract
A fan-type evaporative cooler having an improved air handler assembly which locates the rotational path of the fan remotely from the air delivery outlet so that an open mesh grill may be safely used in the air delivery outlet opening, and the improved air handler includes a moisture extraction baffle which protects the internal and external workings of the fan drive motor from corrosion and mineral deposits.
Claims9
A fan-type evaporative cooler comprising:
- (a) an evaporative cooler including a cabinet having an air delivery outlet opening;
- (b) a fan shroud having an endless sidewall which defines an air movement path between an air inlet of circular configuration formed in one end thereof and an axially aligned air outlet formed in the other end, said fan shroud divergingly extending from the air inlet to the air outlet to define an area of minimum cross section, said fan shroud being mounted entirely within the cabinet of said evaporative cooler so that the air outlet is in communication with the air delivery outlet opening of the cabinet and the air inlet remote therefrom;
- (c) an electric motor mounted within said fan shroud so as to lie on the axis of the air movement path defined by said fan shroud, said electric motor having an output shaft which extends axially from said motor toward the air inlet of said fan shroud;
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- (d) a multi-blade fan mounted on the output shaft of said electric motor concentrically in an area of minimal cross section of said fan shroud.
In an evaporative cooler including a housing having a side wall within which an outlet opening is formed, a grill mounted within the outlet opening substantially coplanar with the side wall, a discharge duct having axially spaced inlet and outlet portions, and blower means for inducing discharge flow through the duct having a motor and a bladed fan connected to the motor, the improvement residing in said grill having a protective mesh size resisting the discharge flow through the outlet opening to create a predetermined back pressure, means mounting the motor downstream of the fan for positioning of the fan within the duct at the inlet portion thereof, and means mounting the outlet portion of the duct internally of the housing on the side wall and at the outlet opening for support of the duct entirely within the housing thereby positioning the fan in spaced alignment with the outlet opening upstream of the motor, said duct enclosing passage means diverging in a downstream direction from the fan to compensate for said predetermined back pressure created by the flow resistance of the grill.
Dependencies are inferred from the claim text.