Refrigeration – Structural installation – Window connected or mounted
Reexamination Certificate
2000-05-09
2001-11-20
Bennett, Henry (Department: 3744)
Refrigeration
Structural installation
Window connected or mounted
C062S298000
Reexamination Certificate
active
06318104
ABSTRACT:
TECHNICAL FIELD
The present invention is directed to air conditioners and, more particularly, to the assembly of window room air conditioning units.
BACKGROUND ART
Air conditioning units such as so-called “window room air conditioners” are commonly used for residential and similar applications and generally include closed refrigeration circuits having an evaporator and a condenser. The unit is normally divided by a partition into an evaporator section and a condenser section, the evaporator section communicating with the room air to be conditioned and the condenser section communicating with external air such as outdoor air. Refrigerant flows through the refrigerant circuit absorbing heat from the room air at the evaporator and discharging heat energy to the external air at the condenser. The conventional refrigeration circuit is completed by the addition of a compressor, an expansion device, and the appropriate connections between the components.
Such an air conditioning unit usually includes a basepan supporting all of the components and an outer housing surrounding the entire unit. The front of the evaporator, or indoor section, includes an indoor grille, which has openings therein for directing warm indoor air into the evaporator and discharge openings therein for directing air back into the room. The outdoor section of the housing includes a plurality of openings in the sides and top thereof, which serve as inlet openings for cooling air which flows into the outdoor section and outwardly therefrom after passing through the condenser coil, which is mounted vertically in the back of the outdoor section.
In addition to the components mentioned above, the outdoor section also typically includes an outdoor fan and fan orifice, as well as an electric motor, which typically also drives an indoor fan. The indoor section also typically includes the aforementioned indoor fan, an indoor fan orifice, a control box and a fan scroll structure for directing the air cooled by the evaporator back into the room to be cooled. Each of the aforementioned components requires means for attaching it to the basepan and/or other structure of the air conditioning unit. Numerous approaches are known for assembly of the components in a manner which will minimize the number of individual components required for assembly of the unit. The fewer components, and the fewer number of attachment means, results in lower material costs, less labor content and, accordingly, a less expensive unit.
DISCLOSURE OF THE INVENTION
A room air conditioner unit of the type having a basepan, which is divided into indoor and outdoor sections by a partition. The indoor section includes an evaporator coil, an evaporator fan and a scroll for directing indoor air flow. The outdoor section includes a compressor, a condenser coil, a condenser fan, a condenser fan shroud and an electric motor. The motor is configured to drive both the evaporator and condenser fans. A first partition wall section is attached to the basepan and has a height less than the overall height of the partition. A first condenser fan shroud section is also attached to the basepan and has a height less than the overall height of the condenser fan shroud. A molded component having a top wall is configured to overlie at least a portion of both the indoor section and the outdoor section. The top wall has, integrally formed therewith, a downwardly extending partition wall section. The second partition wall section is configured to cooperate with the first wall section to define the partition. The top wall further has integrally formed therewith a downwardly extending second condenser fan shroud section, which is configured to cooperate with the first condenser fan shroud section to define the condenser fan shroud. Means are provided for attaching the molded component to both the first partition wall section and the first condenser fan shroud section.
REFERENCES:
patent: 5081849 (1992-01-01), Thompson et al.
patent: 5415011 (1995-05-01), Gilmore et al.
patent: 5622058 (1997-04-01), Ramakrishnan
patent: 5638693 (1997-06-01), Baek Sang Kyun
patent: 5687583 (1997-11-01), Tunekawa et al.
patent: 2275330 (1994-08-01), None
Barros Daniel Alessandro Oliveira de
Correa Juan Carlos Carne
da Luz Moraes Luciano
Bennett Henry
Carrier Corporation
Jiang Chen Wen
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