Refrigeration – Structural installation – Window connected or mounted
Patent
1991-05-20
1993-03-16
Sollecito, John
Refrigeration
Structural installation
Window connected or mounted
312101, 454201, F25D 2312
Patent
active
051933551
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
1. Technical Field
This invention relates to the construction of an integrated type air conditioner mounted in a sash window or vertical sash, and an assembly method and an attachment device for this air conditioner
2. Background Art
In United States of America and other countries, sash windows are widely used as house windows, and air conditioners of a type to be fitted in a sash window are popularly used.
Such a conventional air conditioner will be described below with reference to the drawings.
First, a description will be made with reference to FIGS. 1 to 5. A main body 101 of an integrated type air conditioner is composed of a front grill 102, an outer casing 103, and an internal unit 104 fitted in the outer casing and capable of being drawn out therefrom. The outer casing 103 is a sheet metal component part which has louvers 105 formed in its top and side surfaces by being cut and raised, to which a wire mesh 106 is welded at its rear side, to which connectors 107 and 108 serving as reinforcements are welded at the front and rear sides of its bottom, which is painted for rust prevention, and to which heat insulating members and sealing members are attached for heat insulation and prevention of air leaks. The internal unit 104 is constituted by a base plate 109 formed of a sheet metal member, and a bulk head 112 which separates an outdoor air circuit 110 and an indoor air circuit 111 provided on the base plate 109. For the outdoor air circuit 110, there are provided a condenser 113, a propeller fan 114, a motor 115, a motor base 116, an air guider 117, a connection frame member 118 for reinforcement of the air guider 117 and the bulk head 112, a condenser 119 for forming a refrigerating cycle which is known per se, and a condenser cover 120. The condenser 113 has its two ends screwed to two ends of the air guider 117 and is thereby fixed on the base plate 109. The indoor air circuit 111 is composed of an evaporator 121, water receiving tray 122, a scirocco fan 123, a scirocco air guider 124, a scirocco air guider side plate 125, a duct 126 and a top cover 127 for protecting the duct 126 while maintaining the strength of the bulk head 112. A description will now be given of air flows. On the indoor side, indoor air is drawn thereinto through an intake section 128 of the front grill 102 by the scirocco fan 123, cooled by the evaporator 121, supplied through the scirocco air guider 124 and the duct 126, and blown out to the indoor side through a blowing grill 129. On the outdoor side, outdoor air is drawn in through an intake opening 130 formed in the rear surface of the outer casing 103, heated up by the condenser 113, supplied through the air guider 117, and blown out to the outdoor side through the louvers 105. Next, a description will be given of installation. First, an L-shaped plate 128 which overlaps a sash frame is fixed on the top surface of the outer casing 103 with screws. Then a generally U-like plate 129 is fixed on the bottom surface of the outer casing 103 with screws. Next, mount members (not shown) are fitted in the L-shaped plate 128 and the U-like plate 129, and the main body 101 is set in the window.
In this conventional arrangement, however, all the fundamental structure parts are sheet metal, and the number of necessary component parts is large. The possibility of occurrence of quality dispersion depending upon the dimensional accuracy of respective parts and the assembly accuracy is high, and an improvement in quality is therefore required. Since the majority of necessary component parts are made of sheet metal, the amounts of materials for rust prevention treatment, heat insulation and so on are large, and there is therefore a need for a reduction in the number of component parts.
Since the condenser 113 is fixed with screws to the air guider 117 whose size is determined by the base plate 109, the bulk head 112, the connectors 107 and 108 and other members, its mounting dimensions are changed if the accuracy of the size of any one of these component parts is changed.
REFERENCES:
patent: 2682159 (1954-06-01), Trask
patent: 2984089 (1961-05-01), Whitesel
patent: 3727421 (1973-04-01), Berg
patent: 3906741 (1975-09-01), Terry
patent: 4633680 (1987-01-01), Lang et al.
Matsushita Electric - Industrial Co., Ltd.
Sollecito John
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