Claims
- 1. An air conditioning arrangement for ceiling mounted heating and cooling air conditioning units, comprising: an air conditioner including a heating and a cooling arrangement and a heat exchanger, the air conditioner being positioned above a ceiling of a room and including an air inlet port opening toward the inside of the room, and an air blower for directing air with respect to said heat exchange; at least one duct having a dimension D, said duct being positioned above the ceiling of the room and conveying conditioned air from said air conditioner to a remote location; a duct box providing an expansion chamber, said duct box having a height dimension which is much larger than said dimension D and having a width dimension which is much larger than said dimension D, said duct box being connected to said duct and being positioned above the ceiling of the room; a blow-off casing connected to said duct box, said blow-off casing projecting into the room from above ceiling and having an air outlet opening to the room; a fan including a fan motor, said fan being connected to said blow-off casing, with fan blades and said fan motor being positioned extending into said room; and diffuser means, positioned between said air outlet and said fan for directing conditioning air radially outwardly between said air outlet and said fan.
- 2. An air conditioning arrangement according to claim 1, wherein said duct box includes an inner surface lined with sound absorption material, said duct box width and height providing an expansion of air flow for converting a dynamic pressure component of said air flow of conditioning air to static pressure.
- 3. An air conditioning arrangement according to claim 1, wherein said diffuser means includes a plurality of ring-like louvers disposed adjacent said air outlet for diffusing said air flow radially outwardly.
- 4. An air conditioning arrangement according to claim 3, wherein said plurality of ring-like louvers are positioned to form multiple stages of said diffuser.
- 5. An air conditioning apparatus, comprising:
- an air conditioning main body imbedded in a ceiling of a room; a heat exchanger connected to said air conditioning main body for cooling or heating air; a blower for blowing out cooled or heated air, through said heat exchanger, into the room; an air suction inlet opening into the room for conducting air of the room into the air conditioning main body; a blow-off casing having a lower portion projecting from the ceiling of the room, said blow-off casing being connected to said air conditioning main body for blowing out air cooled or heated by said heat exchanger, said blow-off casing being connected to said air conditioning mean body via a duct; an air outlet provided in a lower portion of said blow-off casing projecting from the ceiling of the room; a fan disposed below said air outlet; and, diffuser means including a partition wall having a conical portion provided between said air outlet and said fan, said diffuser means for opposing flow of conditioning air descending through said blow-off casing for diffusing descending flow of conditioning air and directing the conditioning air in a radial direction, turned from a vertical direction into a horizontal direction.
- 6. An air conditioning apparatus, comprising: a conditioning air generator embedded in a ceiling; a heat exchanger connected to said conditioning air generator for cooling or heating air; a blower for blowing air through said heat exchanger to provide heated or cooled conditioned air; an air suction inlet opening in a room for conducting air of the room into the conditioning air generator; a glow-off casing connected to said conditioning air generator and including a lower portion projecting from said ceiling into the room, and including an air outlet for outputting conditioned air; a fan disposed below said air outlet for distributing conditioning air, generated by said conditioning air generator, into a room, said fan being rotatable forward and backward, and, diffuser means, positioned between said air outlet and said fan for directing conditioning air radially outwardly between said air outlet and said fan such that at least a portion of said conditioning air is redirected downwardly.
- 7. An air conditioning apparatus, comprising: a conditioning air generator embedded in a ceiling; a heat exchanger connected to said conditioning air generator for cooling or heating air; a blower for blocking air through said heat exchanger to provide heated or cooled conditioning air; an air suction inlet opening in a room for conducting air of the room into the conditioning air generator; a blow-off casing connected to said conditioning air generator and including a lower portion projecting from said ceiling into the room, and including an air outlet for outputting conditioned air; and a fan disposed below said air outlet for distributing conditioning air generated by said conditioning air generator into a room; diffuser means, positioned between sad fan and said outlet, the diffuser means extending downwardly from the ceiling for diffusing conditioning air and directing conditioning air radially outwardly, in a substantially horizontal direction, between said fan and the ceiling; such that at least a portion of said conditioning air is redirected downwardly and, an operation control device of said conditioning air generator; wherein said operation control device of said conditioning air generator is provided with means for starting and stopping said fan in synchronism with the start and stop of said conditioning air generator.
Priority Claims (2)
Number |
Date |
Country |
Kind |
63-120292[U] |
Sep 1988 |
JPX |
|
63-120291[U]JPX |
Sep 1988 |
JPX |
|
Parent Case Info
This is a continuation-in-part application of application Ser. No. 07/381,520 filed July 17, 1989, now U.S. Pat. No. 5,029,451 issued July 9, 1991.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
2389440 |
Kucher |
Nov 1945 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
381520 |
Jul 1989 |
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