Refrigerated air cargo container
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0944869
(1978-09-22)
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발명자
/ 주소 |
- Modler Peter R. (Los Angeles CA) Dittmer Harold E. (San Francisco CA) Rose Richard L. (Newark CA) Stafsnes John A. (San Anselmo CA)
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출원인 / 주소 |
- Pax Equipment Management, Inc. (San Francisco CA 02)
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인용정보 |
피인용 횟수 :
10 인용 특허 :
0 |
초록
▼
A refrigerated cargo container, comprising no moving parts, for use in transporting temperature sensitive cargoes in aircraft. The container has six insulated walls with an insulated door along part of one of the walls, preferably the container\s front wall, to provide for an air-tight container whe
A refrigerated cargo container, comprising no moving parts, for use in transporting temperature sensitive cargoes in aircraft. The container has six insulated walls with an insulated door along part of one of the walls, preferably the container\s front wall, to provide for an air-tight container when the door is closed. An insulated bunker, having an insulated wall about a portion of its outer surface and a heat exchange portion along its bottom surface, containing a coolant such as solid carbon dioxide, is located within one of the top corners of the insulated cargo container. An air inlet duct extends along the top wall of the insulated container to one side of the insulated bunker to allow warm air from the interior of the container and the cargo to flow into the inlet duct along the top wall of the container and to pass along the side and bottom of the coolant bunker where the warm air is cooled by the heat exchange portion of the bunker. A small fan driven by a small motor may be installed along the path of the air inlet duct to increase the flow of warm air to the bunker heat exchange portion. Cool air flowing from the heat exchange portion of the bunker is then passed through an output air duct, formed by a curtain, preferably an insulated curtain, passing along one of the insulated side walls of the container to circulate cool air through the interior of the container and among the cargo being transported in the container. Vapor from the coolant, for example subliming carbon dioxide, may be passed along the top of the container through one or more insulated chimneys which is either vented to the outside of the container to allow the vapor from the coolant to escape from the container or to the inside of the container to allow the vapor to be released within the container.
대표청구항
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A refrigerated cargo container comprising: an insulated housing assembly having an insulated top panel, an insulated bottom panel, an insulated back panel, two respective insulated side panels, an insulated front panel with insulated door means releasably engageable across a portion of said front pa
A refrigerated cargo container comprising: an insulated housing assembly having an insulated top panel, an insulated bottom panel, an insulated back panel, two respective insulated side panels, an insulated front panel with insulated door means releasably engageable across a portion of said front panel, all of said panels being sealably connected to each other and with sealing means cooperating between said door means and said housing assembly to make said housing assembly substantially air-tight when said door means is in the closed position relative to said housing assembly; a bunker located in said housing assembly for receiving a predetermined amount of coolant, said bunker being substantially insulated to prolong the period during which the coolant sublimes, vaporizes or liquifies such that the time required for the coolant to change states approximately offsets the temperature increase in the housing assembly to maintain the cargo in the housing assembly at a substantially constant temperature, said bunker further having at least one heat exchange portion positioned to allow heat from said housing assembly to pass to said coolant such that said coolant sublimes, vaporizes or liquifies, cooling said heat exchange portion of said bunker; an insulated baffle surrounding a portion of said bunker including said heat exchange portion of said bunker such that cargo located in said housing assembly in close proximity to said carbon dioxide bunker is protected from freezing temperatures; an air inlet duct extending along and parallel to the top panel of said housing assembly to said bunker, from the side wall opposite to said bunker, said inlet duct being open to the interior of said housing only at a point adjacent to said opposite side wall, for directing warm air from the area along the side panel of said housing assembly opposite said bunker to the area around said bunker including said heat exchange portion of said bunker where the warm air from said housing assembly is cooled by said heat exchange portion; a curtain wall extending from said baffle surrounding a portion of said bunker and continuing along one of said housing side panels below said bunker for a major part of the length of said panel forming an output air duct to allow cool air from said heat exchange portion of said bunker to pass through said output air duct to circulate through said housing interior; protruberances projecting from the interior surface of said side, back and bottom panels of said housing assembly to prevent cargo from directly contacting said panels such that cool air from said output duct will circulate along some of the recessed surfaces of said wall and throughout said housing assembly to maintain said cargo at a substantially constant temperature; and a chimney duct located along the top panel of said housing assembly between said inlet duct and said top panel and extending along said top panel for substantially the length of said top panel and having one of its two-end portions connected to said bunker to allow coolant vapor from said bunker to enter said chimney and to pass through said chimney exiting through the other end portion of said chimney as said coolant sublimes, liquifies or vaporizes, said chimney duct being insulated for the greater portion of its length along said top housing panel with a non-insulated portion located near the opening of said inlet duct near the side panel opposite said bunker;
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Meyer,Chris E.; Sieron,Michael A.; Wynne,Nicholas, Cargo container for transporting temperature sensitive items.
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