Window air conditioner assembly

Claim 2

In an air conditioning unit the combination of support frame means for supporting a refrigeration system subassembly thereon, including a compressor having a condenser and an evaporator, an air handling system sub-assembly supported on said support frame means intermediate said condenser and said evaporator, said air handling sub-assembly including an integrally molded blank member in the form of a plurality of panels flexibly interconnected along their common transverse edges by integral hinges; impeller motor means mounted on said air handling sub-assembly and having a common drive shaft for driving a condenser propeller fan and an evaporator blower wheel, said blank member operative for forming a condenser air handling section and an evaporator blower wheel scroll housing by folding said plurality of panels about their respective transverse fold lines, a two piece molded outer cover for enclosing said refrigeration and air handling sub-assemblies including a box-like casing and a louvered room side closure member, said box-like casing including top, bottom, side and rear walls and an open front; said casing bottom wall extending outwardly from said open front such that its free edge is formed with an integral transverse end flap, said bottom wall including upstanding side flanges coextensive with said casing side walls each of which terminate in an integral web joining the free edge of its respective side flange and to one side edge of said end flaP, said end flap in its downwardly hinged position allowing sufficient vertical clearance for insertion of said combined refrigeration and air handling sub-assemblies, and said webs being of reduced thickness so as to be inwardly foldable in response to the upward hinged movement of said end flap whereby a liquid tight condensate sump is formed in the bottom portion of said casing bottom wall, and means for retaining said end flap in a vertical position whereby said room side closure member may be telescopically received on the open front end of said box-like casing.

Claim 3

In an air conditioning unit the combination of a horizontal U-shaped support frame having parallel longitudinal angle members positioned at either end of a transverse base angle member, an intermediate T-shaped transverse cross member bridging said longitudinal angle members, a refrigeration system sub-assembly supported on said U-shaped frame including a compressor having a condenser and an evaporator, said condenser extending transversely between the free end of said longitudinal angle members, said evaporator supported on said frame base angle member, said compressor supported on the head end portion of said T-shaped cross member, an air handling system sub-assembly supported on said support frame intermediate said condenser and said evaporator, said air handling sub-assembly including an integrally molded blank member comprising a first condenser shroud wall panel, a second top panel, a third blower wheel scroll housing panel, and a fourth scroll housing front cover panel having a blower wheel inlet orifice therein; said panels being serially arranged in the order named so as to be flexibly interconnected along their common transverse edges by first, second and third integral hinge fold lines; said second condenser shroud wall panel having a condenser propeller fan orifice therethrough, motor means including a common drive shaft for driving a condenser propeller fan and an evaporator blower wheel at opposite ends thereof, said blank member formed into a condenser air handling section by folding each of said first, second and third panels through angles of substantially ninety degrees about their respective first and second fold lines, said blank member operative for forming said blower wheel scroll housing by folding said fourth scroll housing front cover panel through an angle of substantially 180*, a two piece molded outer cover for enclosing said refrigeration and air handling sub-assemblies including a box-like casing and a louvered room side closure member, said box-like casing including top, bottom, side and rear walls and an open front; said casing bottom wall extending outwardly from said open front such that its free edge is formed with an integral transverse end flap, said bottom wall including upstanding side flanges coextensive with said casing side walls each of which terminate in an integral web joining the free edge of its respective side flange and to one side edge of said end flap, said end flap in its downwardly hinged position allowing sufficient vertical clearance for insertion of said combined refrigeration and air handling sub-assemblies, said webs being of reduced thickness so as to be inwardly foldable in response to the upward hinged movement of said end flap whereby a liquid tight condensate sump is formed in the bottom portion of said casing, and clip means engaging said U-shaped frame for retaining said end flap in a vertical erect position whereby said room side closure member may be telescopically received on the open front end of said box-like casing.

Claim 4

In an air conditioning unit the combination of a horizontal U-shaped support frame having parallel longitudinal angle members positioned at either end of a transverse base angle member, an intermediate T-shaped transverse cross member bridging said longitudinal angle members, a refrigeration system sub-assembly supported on said U-shaped frame including a compressor having a condenser and an evaporator, said condenser extending transversely between the free end of said longitudinal angle members, said evaporator supported on said frame base angle member, said compressor supported on the head end portion of said T-shaped cross member, an air handling system sub-assembly supported on said support frame intermediate said condenser and said evaporator, said air handling sub-assembly including an integrally molded blank member comprising a first condenser shroud wall panel, a second top panel, a third blower wheel scroll housing panel, and a fourth scroll housing front cover panel having a blower wheel inlet orifice therein; said panels being serially arranged in the order named so as to be flexibly interconnected along their common transverse edges by first, second and third integral hinge fold lines; said second condenser shroud wall panel having a condenser propeller fan orifice therethrough, motor means including a common drive shaft for driving a condenser propeller fan and an evaporator blower wheel at opposite ends thereof, said blank member formed into a condenser air handling section by folding each of said first, second and third panels through angles of substantially ninety degrees about their respective first and second fold lines, said blank member operative for forming said blower wheel scroll housing by folding said fourth scroll housing front cover panel through an angle of substantially 180*, a two piece molded outer cover for enclosing said refrigeration and air handling sub-assemblies including a box-like casing and a louvered room side closure member, said box-like casing including top, bottom, side and rear walls and an open front; said casing bottom wall extending outwardly from said open front such that its free edge is formed with an integral transverse end flap, said bottom wall including upstanding side flanges coextensive with said casing side walls each of which terminate in an integral web joining the free edge of its respective side flange and to one side edge of said end flap, said end flap in its downwardly hinged position allowing sufficient vertical clearance for insertion of said combined refrigeration and air handling sub-assemblies, said webs being of reduced thickness so as to be inwardly foldable in response to the upward hinged movement of said end flap whereby a liquid tight condensate sump is formed in the bottom portion of said casing, and clip means engaging said U-shaped frame for retaining said end flap in a vertical erect position whereby said room side closure member may be telescopically received on the open front end of said box-like casing.

Claim 5

The air conditioning unit as claimed in claim 1 wherein said retaining means are in the form of double U-shaped clips engaging both said end flap and said support frame so as to retain said end flap in its hinged-up position a defined distance from said frame whereby said inwardly folded webs are received in the space therebetween.

Claim 6

The air conditioning unit as claimed in claim 1 wherein each Said integral web being generally triangular in shape in its unfolded condition such that the included angle between the downwardly folded end flap and its respective side flange edge is of the order of 115 degrees.

Claim 7

The air conditioning unit as claimed in claim 1 wherein said plurality of panels comprising a first condenser shroud wall panel, a second top panel, a third blower wheel scroll housing panel and a fourth scroll housing front cover panel, said blank member being formed into said condenser air handling section by folding each of said first, second and third panels in a common first direction through an angle of substantially ninety degrees about their respective transverse integral hinges, and said fourth scroll housing front cover panel completing said blower wheel scroll housing by being reverse folded in a second direction through an angle of substantially 180 degrees to a position in superposed relationship against said third panel.