[특허]Automatic shutdown systems for refrigerated cargo containers

DoubleDay Acquisitions LLC

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Automatic shutdown systems for refrigerated cargo containers

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-011/00 F25D-029/00 B64D-013/00
출원번호	US-0907169 (2013-05-31)
등록번호	US-10088226 (2018-10-02)
발명자 / 주소	Neeld, Jonathan Peter
출원인 / 주소	DoubleDay Acquisitions LLC
대리인 / 주소	Frost Brown Todd, LLC
인용정보	피인용 횟수 : 0 인용 특허 : 9

초록

Automatic shutdown systems are used with refrigerated air cargo containers. When a fire signature is detected by one or more sensors, the container exhaust fan(s) are automatically shut down or their external airflow is automatically restricted. In addition, or in the alternative, the shutdown system may likewise act when air transit is detected, such as acceleration and/or a change in altitude.

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1. An automatic shutdown system for a refrigerated cargo container, the system comprising: (a) a cargo container comprising a refrigeration system, wherein the refrigeration system comprises at least one exhaust fan; and(b) a first sensor selected from the group of: an accelerometer; a frequency sensor; an electrical signal noise sensor; a transponder signal receiver; and combinations thereof;wherein the first sensor is communicably attached to a controller which is communicably attached to the refrigeration system, and the controller is arranged to automatically stop or restrict airflow from the exhaust fan of the refrigeration system;wherein the controller is configured to automatically stop or restrict airflow from at least one exhaust fan in response to the detection of air transit by the first sensor; and wherein air transit is selected from the phases of: bringing the refrigerated cargo container to the airport; loading the refrigerated cargo container onto an airplane; airplane takeoff; flight; airplane landing; offloading of the refrigerated cargo container from an airplane; and removing the refrigerated cargo container from the airport. 2. The automatic shutdown system of claim 1, further comprising a second sensor selected from the group of: a thermal imagery sensor; a gas sensor; a light intensity sensor; a temperature sensor; a relative humidity sensor; a smoke sensor; a particulate sensor; and combinations thereof. 3. The automatic shutdown system of claim 2, wherein the controller is configured to automatically control the operation of the refrigeration system in response to the detection of a fire signature by the second sensor. 4. The automatic shutdown system of claim 3, wherein the controller is configured to automatically control the operation of the at least one exhaust fan. 5. The automatic shutdown system of claim 3, wherein the fire signature is selected from the group of: smoke; particulate matter; infrared emissions; hot spots; radiant energy; temperature; oxygen concentration; carbon monoxide concentration; ultraviolet light; and combinations thereof. 6. The automatic shutdown system of claim 1, wherein the first sensor is located on the exterior of the refrigerated cargo container. 7. The automatic shutdown system of claim 1, wherein the first sensor is located in the interior of the refrigerated cargo container. 8. An automatic shutdown system for a refrigerated cargo container, the system comprising: (a) a cargo container comprising a refrigeration system, wherein the refrigeration system comprises at least one exhaust fan;(b) a sensor located in an interior of the refrigerated cargo container, wherein the sensor is selected from the group of: an accelerometer; a frequency sensor; an electrical signal noise sensor; a transponder signal receiver; and combinations thereof; and(c) a controller;wherein the sensor is communicably attached to the controller which is communicably attached to the at least one exhaust fan, and the controller is arranged to automatically stop or restrict airflow from the at least one exhaust fan; wherein the controller is configured to automatically stop or restrict airflow from at least one exhaust fan in response to the detection of air transit by the sensor; and wherein air transit is selected from the phases of: bringing the refrigerated cargo container to the airport; loading the refrigerated cargo container onto an airplane; airplane takeoff; flight; airplane landing; offloading of the refrigerated cargo container from an airplane; and removing the refrigerated cargo container from the airport. 9. The automatic shutdown system of claim 8, further comprising a sensor selected from the group of: a thermal imagery sensor; a gas sensor; an accelerometer; a light intensity sensor; a temperature sensor; a relative humidity sensor; a smoke sensor; a particulate sensor; and combinations thereof. 10. An automatic shutdown system for a refrigerated cargo container, the system comprising: (a) a cargo container comprising a refrigeration system, wherein the refrigeration system comprises at least one exhaust fan; and(b) a first sensor selected from the group of: an accelerometer; a frequency sensor; an electrical signal noise sensor; a transponder signal receiver; a global positioning system; and combinations thereof;wherein the first sensor is communicably attached to a controller which is communicably attached to the refrigeration system, and the controller is arranged to automatically stop or restrict airflow from the exhaust fan of the refrigeration system;wherein the controller is configured to automatically stop airflow from at least one exhaust fan in response to the detection of: airplane takeoff, flight and airplane landing. 11. The automatic shutdown system of claim 10, further comprising a second sensor selected from the group of: a thermal imagery sensor; a gas sensor; a light intensity sensor; a temperature sensor; a relative humidity sensor; a smoke sensor; a particulate sensor; and combinations thereof. 12. The automatic shutdown system of claim 11, wherein the controller is configured to automatically control the operation of the refrigeration system in response to the detection of a fire signature by the second sensor. 13. The automatic shutdown system of claim 12, wherein the controller is configured to automatically control the operation of the at least one exhaust fan. 14. The automatic shutdown system of claim 12, wherein the fire signature is selected from the group of: smoke; particulate matter; infrared emissions; hot spots; radiant energy; temperature; oxygen concentration; carbon monoxide concentration; ultraviolet light; and combinations thereof. 15. The automatic shutdown system of claim 10, wherein the first sensor is located on the exterior of the refrigerated cargo container. 16. The automatic shutdown system of claim 10, wherein the first sensor is located in the interior of the refrigerated cargo container.

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Automatic shutdown systems for refrigerated cargo containers

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Automatic shutdown systems for refrigerated cargo containers

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