Control box for a room air conditioner

Details Control box for a room air conditioner Control box for a room air conditioner

2000-08-17

2001-11-20

Doerrler, William (Department: 3744)

Refrigeration

Structural installation

Window connected or mounted

C062S298000

Reexamination Certificate

active

06318105

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention is directed to air conditioners and, more particularly, to a control box for a room air conditioning unit.
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 communicates with the room air to be conditioned and the condenser section communicates with external air such as outdoor air. Refrigerant flows through a refrigerant circuit absorbing heat from room air at the evaporator and discharging heat energy to the external air at the condenser. The conventional refrigerated circuit is completed by the addition of a compressor, an expansion device and the appropriate interconnections 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.
The indoor grille also includes an opening therein for the control panel upon which are mounted control knobs, buttons, switches and the like for facilitating adjustment of the air conditioning unit's function and temperature level control. The control panel and the control components associated therewith are typically mounted to a control box for the unit in which are housed other components associated with the electrical system of the air conditioning unit.
In order to reduce the high cost of labor in the manufacture of an air conditioning unit, it is considered desirable to minimize the number of components of the unit and to make the installation of those components involve as few steps as possible. Also, in the control box for an air conditioning unit it is considered desirable to have easy access to the interior of the control box to facilitate not only initial assembly but subsequent access for service of the components contained therein.
SUMMARY OF THE INVENTION
A control for an air conditioning unit, which is configured to be easily attached to a vertically extending partition of the air conditioning unit. The control box includes a main housing having a substantially horizontal bottom wall. The bottom wall has front, side and rear edges and a front wall extending substantially vertically upwardly from the front edge of the bottom wall. A side wall extends substantially vertically upwardly from each of the side edges of the bottom wall. Each of the side walls has a front edge integrally formed with the front wall and a rear edge having a downwardly extending attachment hook extending rearwardly of the rear edge of the side wall and the rear edge of the bottom wall. The air conditioner's partition has attachment hook receiving slots formed therein, which are configured to receive the attachment hooks therein in a manner attaching the main housing to the partition with the rear edges of the bottom wall and the side wall in confronting relation with the partition.


REFERENCES:
patent: 5868617 (1999-02-01), Kim
patent: 5896921 (1999-04-01), Lee
patent: 6009717 (2000-01-01), Hernandez et al.
patent: 6085538 (2000-07-01), Bascaran et al.
patent: 6182460 (2001-02-01), Hernandez et al.

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