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  Window type air conditionerUSPTO Application #: 20070028638Title: Window type air conditioner Abstract: A window type air conditioner comprises: a case of which one side is positioned at an outdoor side and another side is positioned at an indoor side; an axial fan mounted in the case, for blowing air in a radius direction thereof; an outdoor heat exchanger for heat-exchanging outdoor air blown by the axial fan; and a shroud having the outdoor heat exchanger therein, for guiding the air blown by the axial fan, wherein an inclination surface is formed at an edge of the shroud in order to smoothly flow air introduced in a radius direction. According to this, a flow resistance of air is minimized and an air volume is increased. (end of abstract)
Agent: Fleshner & Kim, LLP - Chantilly, VA, US Inventors: Yoon-Seob Eom, Jeong-Hwan Koo, Nae-Hyun Park, Dong-Joo Han, Byeong-Jo Ryoo USPTO Applicaton #: 20070028638 - Class: 062262000 (USPTO) Related Patent Categories: Refrigeration, Structural Installation, Window Connected Or Mounted The Patent Description & Claims data below is from USPTO Patent Application 20070028638. Brief Patent Description - Full Patent Description - Patent Application Claims
Technical Field [0001] The present invention relates to a window type air conditioner, and more particularly, to a window type air conditioner capable of decreasing a flow resistance and increasing an air volume by making an air stream smooth. Background Art [0002] In general, an air conditioner is provided with a refrigerating cycle constituted with a compressor, a condenser, a capillary tube, a heat exchanger, etc., and properly supplies cool air generated from an evaporator and warm air generated from the condenser indoors according to the indoor condition, thereby maintaining the indoor circumstance comfortably. [0003] The air conditioner is divided into a window type air conditioner and a separated type air conditioner according to an installation method. The window type air conditioner is installed at the window, etc. under the state that an outdoor unit and an indoor unit are integrally assembled in one case, and the separate type air conditioner is respectively installed at the outdoor and the indoor under the state that the outdoor unit and the indoor unit are separated from each other. [0004] FIG. 1 is a sectional view showing a window type air conditioner in accordance with the conventional art. [0005] The conventional window type air conditioner comprises: a case 100 of which one side is positioned at the outdoor side and another side is positioned at the indoor side; an outdoor unit 110 installed at the outdoor side of the case 100 and heat-exchanged with the outdoor air; an indoor unit 120 installed at the indoor side of the case 100 and heat-exchanged with the indoor air; and a compressor 130 for compressing a re-frigerant. [0006] The case 100 is installed at the wall that divides the outdoors and the indoors, and one side of the case 100 is positioned at the outdoor side and another side thereof is positioned at the indoor side. An outdoor air suction port 102 for sucking the outdoor air is formed at both lateral surfaces of the case 100 positioned at the outdoor side. Also, an outdoor air discharge port 104 for discharging the air heat-exchanged while passing through the outdoor unit 110 outdoors is formed at the rear surface of the case 100. At the front surface of the case 100 positioned at the indoor side, an indoor air suction port 106 for sucking the indoor air and an indoor air discharge port 114 for discharging the air heat-exchanged while passing through the indoor unit 120 indoors are respectively formed. [0007] The indoor unit 120 is composed of: an indoor heat exchanger 122 installed inside the case 100 positioned at the indoor side, for heat-exchanging the indoor air; and a centrifugal fan 124 opposite to the indoor heat exchanger 122, for generating a blowing force so that the indoor air can pass through the indoor heat exchanger 122. [0008] An orifice 126 for guiding the air that has passed through the indoor heat exchanger 122 to the centrifugal fan 124 is formed between the indoor heat exchanger 122 and the centrifugal fan 124. An air guide passage 128 for guiding the air that has passed through the centrifugal fan 124 to the indoor air discharge port 108 is installed at the upper side of the centrifugal fan 124. [0009] The outdoor unit 110 is composed of: an outdoor heat exchanger 112 installed inside the case 100 positioned at the outdoor side and connected to a compressor 130 by a refrigerant pipe thus to be heat-exchanged with the outdoor air; and an axial fan 114 opposite to the outdoor heat exchanger 112, for generating a blowing force to suck the outdoor air and thus to discharge it to the outdoor heat exchanger 112. [0010] The outdoor heat exchanger 112 is mounted in a shroud 116. The shroud 116 induces air blown by the axial fan 114 to the outdoor heat exchanger 112, and divides a suction side and a discharge side. At the front side of the outdoor heat exchanger 112, formed is an orifice 118 for sucking outdoor air and attenuating a velocity vector of the outdoor air in a radius direction due to a characteristic of the axial fan 114. [0011] As shown in FIG. 2, the shroud 116 is provided with the axial fan 114 and the orifice 118 for sucking air at the front side thereof. The rear side of the shroud 116 is opened so that the air that has passed through the outdoor heat exchanger 112 can be discharged through the outdoor air discharge port 104. The shroud 116 is formed as a hexahedral shape having a similar size to the outdoor heat exchanger 112. [0012] A division plate 150 for dividing the outdoor unit 110 and the indoor unit 120 is installed inside the case 100, and a driving motor 140 for driving the centrifugal fan 124 and the axial fan 114 is mounted at the division plate 150. [0013] Operation of the window type air conditioner in accordance with the conventional art will be explained in more detail. When a power source is applied to the air conditioner, the compressor 130 and the driving motor 140 are driven thus to heat-exchange the outdoor air at the outdoor unit 110 and to heat-exchange the indoor air at the indoor unit 120. [0014] More specifically, when the centrifugal fan 124 is driven, the indoor air is sucked through the indoor air suction port 106 thus to be cooled while passing through the indoor heat exchanger 122. Then, the indoor air is discharged indoors through the indoor air discharge port 108. [0015] When the axial fan 114 is driven, the outdoor air is sucked to an inner space 142 of the case 100 through the outdoor air suction port 102 formed at both lateral surfaces of the case 100. The outdoor air sucked into the case 100 is sucked into the shroud 116 through the orifice 118 thus to condense a refrigerant while passing through the outdoor heat exchanger 112. Then, the outdoor air is discharged outdoors through the outdoor air discharge port 104. [0016] As shown in FIG. 3, the outdoor air suction port 102 is formed at both lateral surfaces of the case 100, the outdoor air discharge port 104 is formed at the rear surface of the case 100, and the axial fan 114 is operated. Therefore, the outdoor air is sucked in a radius direction through the outdoor air suction port 102 and is curved to an approximate right angle direction thus to be discharged to an axial direction of the axial fan 114. [0017] However, in the conventional window type air conditioner, an edge of the shroud 116 is formed as a right angle. According to this, the outdoor air sucked in the radius direction through the outdoor air suction port 102 formed at the lateral surface of the case 100 collides with the edge of the shroud 116, and at the same time generates a flow resistance thereby to lower an air volume. DISCLOSURE [0018] Therefore, it is an object of the present invention to provide a window type air conditioner capable of minimizing a flow resistance of outdoor air and increasing an air volume by improving a structure of a shroud. [0019] To achieve these objects, there is provided a window type air conditioner comprising: a case of which one side is positioned at the outdoor side and another side is positioned at the indoor side; an axial fan mounted in the case, for blowing air in a radius direction thereof; an outdoor heat exchanger for heat-exchanging outdoor air blown by the axial fan; and a shroud having the outdoor heat exchanger therein and guiding the air blown by the axial fan, wherein an inclination surface is formed at an edge of the shroud in order to smoothly flow air introduced in a radius direction. [0020] The shroud is provided with an orifice for sucking air at a front side thereof, and a rear side thereof is opened so that air that has passed through the outdoor heat exchanger can be discharged to an outdoor air discharge port. An inclination surface is formed at four edges of the shroud. [0021] The shroud is composed of: a front surface where the orifice for sucking air is formed; a lateral surface covered by an outer lateral surface of the outdoor heat exchanger; and an inclination surface formed at four edges where the front surface and the lateral surface contact each other. Continue reading... Full patent description for Window type air conditioner Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Window type air conditioner patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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