GRILLE
First Claim
Patent Images
1. An exhaust vent fan comprising:
- a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing;
a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet;
a louvered first grille positioned across the inlet;
a heating element supported in the housing; and
a second grille supported on the housing and being moveable relative to the first grille while the first grille is secured to the housing to direct a heated air flow from the heating element out of the housing.
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Abstract
The present invention provides, among other things, an exhaust vent fan including a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing, a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet, a louvered first grille positioned across the inlet, a heating element supported in the housing, and a second grille supported on the housing and being moveable relative to the first grille while the first grille is secured to the housing to direct a heated air flow from the heating element out of the housing.
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Citations
25 Claims
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1. An exhaust vent fan comprising:
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a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing; a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet; a louvered first grille positioned across the inlet; a heating element supported in the housing; and a second grille supported on the housing and being moveable relative to the first grille while the first grille is secured to the housing to direct a heated air flow from the heating element out of the housing. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An exhaust vent fan comprising:
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a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing; a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet; a first grille positioned across the inlet; a second grille supported on the housing and being moveable relative to the housing to direct an air flow from the heating element out of the housing; and a locking arrangement including an actuator extending outwardly away from the housing proximate an exterior surface of the first grille and being engageable with a tool for moving the second grille with respect to the first grille. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A method of operating an exhaust vent fan, the method comprising the acts of:
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operating a fan wheel supported in the housing to draw air into the housing through an inlet defined in the housing and through a first grille secured to the housing and to direct the air out of the housing through an outlet defined in the housing; selectively activating a heating element supported in the housing to heat an air flow; directing the air flow from the heating element out of the housing through a second grille supported on the housing; and moving the second grille relative to the first grille while the first grille is secured to the housing to direct the heated air flow from the heating element out of the housing. - View Dependent Claims (16, 17, 18, 19, 20)
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21. An exhaust vent fan comprising:
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a housing having an inlet through which air is received within the housing and an outlet through which the air exits the housing; a fan wheel supported in the housing and operable to generate a flow of the air out of the outlet; a louvered first grille positioned across the inlet; and a second grille extending through an opening in the first grille and being moveable relative to the housing to direct an air flow out of the housing. - View Dependent Claims (22, 23, 24, 25)
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Specification