IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0404284
(1989-09-07)
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발명자
/ 주소 |
- Neuenfeldt, Douglas L.
- Thielman, David E.
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출원인 / 주소 |
- McLean Midwest Corporation
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
16 인용 특허 :
3 |
초록
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An air conditioner having improved internal structure and intended specifically for cooling electronic enclosures has a cabinet containing a compresser, evaporator and condenser coils, a load air blower, an ambient air blower, and a single motor connected to both blowers. The interior of the cabinet
An air conditioner having improved internal structure and intended specifically for cooling electronic enclosures has a cabinet containing a compresser, evaporator and condenser coils, a load air blower, an ambient air blower, and a single motor connected to both blowers. The interior of the cabinet is divided by upper and lower horizontal dividers into upper, central and lower compartments. The upper compartment is divided into a separate ambient air intake compartment and a separate load air intake compartment with both blowers and the motor being in the load intake compartment. The evaporator coil and the ambient intake compartment and associated structure are asymetrical as is the compresser installation. The load air inlet and outlet are on the back, the ambient inlet is on a side and the ambient outlet is on the bottom. This new air conditioner is of exceptionally small physical size for its cooling capacity and is relatively quiet and easy to manufacture.
대표청구항
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1. An air conditioner comprising a) a cabinet having a box with back and sides, and an openable cover; b) an upper generally horizontal divider and a lower generally horizontal divider inside of and fastened to said box, said dividers dividing the interior of said cabinet into upper, central and
1. An air conditioner comprising a) a cabinet having a box with back and sides, and an openable cover; b) an upper generally horizontal divider and a lower generally horizontal divider inside of and fastened to said box, said dividers dividing the interior of said cabinet into upper, central and lower compartments; c) a refrigeration compresser in said central compartment; d) a condenser coil in said lower compartment; e) means dividing said upper compartment into a separate load air inlet compartment and a separate ambient air inlet compartment; f) an evaporator coil in said load air inlet compartment; and g) a load air blower and ambient air blower and a single electric motor connected to said blowers, said blowers and said motor all being in said load air inlet compartment. 2. The air conditioner of claim 1 including an ambient air outlet extending downward through said upper divider, an ambient air passageway through said lower divider, and an ambient air outlet from said lower compartment. 3. The air conditioner of claim 1 including a load air blower outlet extending downward through said upper divider, a load air outlet from said central compartment and through said cabinet back, and a cooling air conduit in said central compartment. 4. The air conditioner of claim 1 in which both said blowers are mounted atop of and to said upper divider. 5. The air conditioner of claim 1, said corner having a single front panel covering the front side of all said compartments, said dividers including means for effectively sealing against a backside of said front panel for obstruction of air flow between the dividers and the front panel, and wherein opening of said cover provides direct access into all said compartments. 6. The air conditioner of claim 1, in which said blower and said motors are mounted directly in front of said evaporator coil. 7. The air conditioner of claim 6, in which said evaporator coil is immediately in front of said cabinet box back, and in which said inlet compartment dividing means extends from the cover to the back and past an outer one end of said evaporator coil. 8. The air conditioner of claim 7, in which a second end of said evaporator coil is adjacent one said cabinet box side, and in which said one outer end is spaced inward from a second said cabinet box side, said dividing means being upright and between said one outer end and said second cabinet box side, said air inlet compartments being along side each other. 9. The air conditioner of claim 6, in which an upright planar ambient air filter is retained in between said dividing means and said second cabinet side. 10. The air conditioner of claim 9, in which said air filter is a full depth air filter extending the full depth from said cabinet box back to said cover. 11. A relatively quiet air conditioner having enclosed moving componentry which is easily accessed for cleaning, service or replacement, comprising: a) a cabinet box having a back, a top, a bottom, and a pair of opposed sides; b) an openable front cover secured to and normally airtightly closing the front of said box; c) an operative refrigeration system having a compressor, a condenser and an evaporator inside of said cabinet box; d) a divider within said cabinet box which divides a load air cooling compartment from the remainder of the interior of the cabinet box, said compartment being normally closed on the front by said cover, and having said evaporator therein; e) a load air passageway extending through said normally closed cooling compartment, said load air passageway having aload air inlet and a load air outlet through said back, said load air inlet and outlet being air tightly securable to an enclosure having a heat load therein; f) a load air blower, an ambient air blower, and electric motor means for operating said blowers, said blowers and said motor means being in said load air passageway; g) a transverse ambient air inlet through one of said cabinet sides to said ambient air blower; h) an ambient air blower outlet extending physically through said divider and fluidly out of said load air passageway to said condenser, said condenser being outside of said compartment, said cover obstructing outlet of ambient air from said cabinet and from said condenser; and i) an ambient air outlet from said cabinet box, said ambient air outlet being through said cabinet box between said back and said cover. 12. The air conditioner of claim 11, in which said divider is generally horizontal and said cooling compartment is in an upper compartment in said cabinet box, and including an upright divider dividing said upper compartment into said load cooling compartment and an ambient air inlet compartment having means for holding an upright ambient air filter within said cabinet box. 13. An industrial air conditioner for cooling enclosures having electrical componentry therein, comprising a) a compressor operatively connected to a condenser and an evaporator coil; b) a load air passageway having an air inlet and an air outlet air tightly connectable to the interior of said enclosure, said evaporator coil being in said passageway; c) blower means within said passageway for moving enclosure load air through the passageway and through said evaporator coil; d) a voltage lowering transformer within said passageway and downstream of said evaporator coil for providing reduced voltage to said air conditioner and for integrated cooling of said transformer; e) an electric motor operatively connected to said blower, said motor also being within said passageway and downstream of said evaporator coil; f) electronic controls for the air conditioner, said controls being within said passageway and downstream of said evaporator coil; g) blower motor and compressor capacitors within said passageway and downstream of said evaporator coil; h) an exterior cabinet cover closing at least a portion of said passageway, said cover being openable for providing access to said motor, said controls and said capacitors; and i) a swing out door inside of said cover, said controls being mounted on said door and being outwardly swingable with said door to a position of access outside of said passageway. 14. The air conditioner of claim 13, in which said door is normally held in a closed position of said cover. 15. The air conditioner of claim 13, including a diagnostic indicator in said passageway, said indicator being externally visible through a window in said cover. 16. The air conditioner of claim 15, in which said indicator is mounted on said door. 17. The air conditioner of claim 13, in which said load air inlet and an ambient air inlet are at the same level. 18. An industrial air conditioner for cooling enclosures having electrical componentry therein, comprising a) a compressor operatively connected to a condenser and an evaporator coil; b) a load air passageway having an air inlet and an air outlet air tightly connectable to the interior of said enclosure, said evaporator coil being in said duct; c) load blower means within said passageway for moving enclosure load air through the passageway and through said evaporator coil; d) an electric motor operatively connected to said blower, said motor also being completely within said passageway; e) an ambient air blower in an ambient air passageway extending through the condenser, said ambient air blower being operatively connected to and driven from within the load air passageway by a single said electric motor; and in which f) said ambient air blower is completely within said load air passageway. 19. The air conditioner of claim 18, in which said ambient air blower has a transversely facing blower air inlet behind an imperforate front air conditioner cover, said ambient blower air inlet being spaced inwardly from a transverse ambient air inlet in a side of said air conditioner by an ambient inlet compartment alongside said passageway. 20. The air conditioner of claim 18, in which said load air inlet and an ambient air inlet are at the same level, said inlets being normal to each other.
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