ADJUSTABLE NOZZLE ASSEMBLY
First Claim
1. An adjustable nozzle assembly for use in conjunction with a duct, said assembly including:
- a base for attaching said assembly to the duct, said base including interior semi-spherical flanges which extend outwardly therefrom;
a generally spherical adjustment member positioned within and retained by said semi-spherical flanges, said adjustment member being open at opposite ends to define a diametral bore therethrough; and
a nozzle tube positioned in said diametral bore, said nozzle tube being sealed at a first end and open at the opposite end thereof and having an open side portion adjacent saId first end, whereby said nozzle tube is movable within said adjustment member to expose said open side portion and said adjustment member is rotatable within said base so said opposite end of said nozzle tube can be pointed in a desired direction.
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Accused Products
Abstract
An adjustable nozzle assembly primarily for use in air ducts where it is desired to direct a localized flow of air to a predetermined position. The assembly includes a nozzle tube, a spherical member through which the nozzle tube passes and a base which allows rotation of the spherical member and attaches the assembly to the air conditioning duct. The nozzle tube includes a cutout in the side thereof so that by moving the nozzle tube inward or outward with respect to the spherical member, the cutout allows more or less flow as desired. The direction of the flow is adjusted by rotating the spherical member until the nozzle tube points in the desired directon. Predetermined clearances are also provided between the members of the assembly to prevent condensation of water vapor thereon.
48 Citations
11 Claims
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1. An adjustable nozzle assembly for use in conjunction with a duct, said assembly including:
- a base for attaching said assembly to the duct, said base including interior semi-spherical flanges which extend outwardly therefrom;
a generally spherical adjustment member positioned within and retained by said semi-spherical flanges, said adjustment member being open at opposite ends to define a diametral bore therethrough; and
a nozzle tube positioned in said diametral bore, said nozzle tube being sealed at a first end and open at the opposite end thereof and having an open side portion adjacent saId first end, whereby said nozzle tube is movable within said adjustment member to expose said open side portion and said adjustment member is rotatable within said base so said opposite end of said nozzle tube can be pointed in a desired direction.
- a base for attaching said assembly to the duct, said base including interior semi-spherical flanges which extend outwardly therefrom;
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2. The nozzle assembly defined in claim 1 wherein said base includes:
- a first base member having an interior semi-spherical flange extending within the duct; and
a second base member which mates with said first base member having an interior semi-spherical flange extending away from the duct.
- a first base member having an interior semi-spherical flange extending within the duct; and
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3. The nozzle assembly defined in claim 2 wherein said base includes:
- friction members mounted on said semi-spherical flanges in position to engage and frictionally retain said adjustment member in the desired position, said friction members being spaced apart and spacing said adjustment member from said semi-spherical flanges to form a gap, whereby said gap enables a limited flow over said adjustment member to prevent condensation thereon.
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4. The nozzle assembly defined in claim 1 wherein said adjustment member includes a collar about the diametral bore at the end thereof away from the duct, said collar including retention means which maintain desired relative positions of said nozzle tube and said adjustment member.
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5. The nozzle assembly defined in claim 4 wherein said collar has an inner cylindrical surface of a diameter larger than the outer diameter of said nozzle tube whereby a gap is defined therebetween to enable a limited flow over said nozzle tube to prevent condensation thereon.
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6. The nozzle assembly defined in claim 5 wherein said collar has a inner cylindrical surface with discontinuities extending therefrom to abut said nozzle tube to assist in maintaining said gap.
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7. The nozzle assembly defined in claim 5 wherein said defined diametral bore has a diameter larger than the outer diameter of said nozzle tube whereby a second gap is defined between said diametral bore at the end thereof in the duct to enable a limited flow over said nozzle tube when said open side portion is completely exposed and completely not exposed in said duct, said limited flow preventing condensation.
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8. The nozzle assembly defined in claim 7 wherein said nozzle tube includes a cap on said first end thereof to seal it, said cap having a greater outer diameter than the diameter of said defined diametral bore and having an abutment surface facing said adjustment member which abuts said adjustment member to seal said second gap and prevents the withdrawal of said nozzle tube from said adjustment member.
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9. The nozzle assembly defined in claim 4 wherein said nozzle tube includes a nozzle collar on the end thereof away from the duct, said nozzle collar and said adjustment member collar having facing abutment surfaces which engage when said open side portion is exposed to prevent said nozzle from being inserted further in said duct.
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10. The nozzle assembly defined in claim 1 wherein said nozzle tube includes indicia on the end thereof away from the duct, said indicia indicating the direction said open side portion is facing.
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11. The nozzle assembly defined in claim 1 wherein said base, said adjustment member and said nozzle tube are constructed from materials which conduct heat poorly and which are essentially non-reactive with water.
Specification