[특허]Single flow circuit heat exchange device for periodic positive and reverse directional pumping

Yang, Tai-Her

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특허 상세정보

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Single flow circuit heat exchange device for periodic positive and reverse directional pumping

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F28F-027/00 F28F-027/02 F28D-017/00 F23L-015/02
미국특허분류(USC)	165/200; 165/004; 165/011.1; 165/097
출원번호	US-0292307 (2008-11-17)
등록번호	US-8651171 (2014-02-18)
발명자 / 주소	Yang, Tai-Her
출원인 / 주소	Yang, Tai-Her
대리인 / 주소	Bacon & Thomas, PLLC
인용정보	피인용 횟수 : 2 인용 특허 : 26

초록

A heat exchanger having a single flow circuit, at least one fluid pump, and a periodic fluid direction-change operative control device for periodically changing the flow directions of the pumped fluid in a first or second direction.

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1. A device for exchanging heat comprising: a heat exchanger comprising a single flow circuit, said single flow circuit having an inlet having a first fluid port and an outlet having a second fluid port said single flow circuit configured to receive a thermal conductive fluid;at least one fluid pump coupled to the single flow circuit, said fluid pump configured to pump the thermal conductive fluid in a first direction or in an opposite second direction in the single flow circuit, wherein the at least one fluid pump is coupled to at least one of the first fluid port and the second fluid port of the single flow circuit;a periodic fluid direction-change operative control device configured to control operations of the at least one fluid pump so that the periodic fluid direction-change operative control device is operable to periodically change a flow direction of the thermal conductive fluid from the first direction and the opposite second direction in the single flow circuit; and,at least one temperature detecting device installed at a position on the heat exchanger to detect a temperature variation of the thermal conductive fluid,wherein the periodic fluid direction-change operative control device is configured to periodically control the fluid flow direction of the thermal conductive fluid in one or more of the following operational modes: a mode where the fluid flow direction is manually adjustable;a mode where the fluid flow direction is operatively controlled by setting a time period for flowing thermal conductive fluid in the first and opposite second direction; and,a mode where the fluid flow direction is operatively controlled in the first and opposite second directions when a detected signal from the temperature detecting device reaches a set temperature. 2. The device for exchanging heat according to claim 1, wherein the at least one fluid pump is a bidirectional fluid pump. 3. The device for exchanging heat according to claim 1, further comprising at least a second detecting device, said at least second detecting device being a humidity detecting device, wherein the at least one second detecting device is positioned at a location on the heat exchanger such that the at least one second detecting device is positioned to detect given properties of the pumped fluid,wherein the periodic fluid direction-change operative control device is configured to use signals detected by the at least one temperature detecting device or by the second detecting device as a reference for operatively controlling the flow direction of the thermal conductive fluid based on a control scheme selected from a group consisting of: controlling the time in which the thermal conductive fluid flows in the first or opposite second directions, controlling a flow rate of the pumped thermal conductive fluid, and controlling a fluid valve to control the speed or the flow rate of the pumped thermal conductive fluid. 4. The device for exchanging heat according to claim 1, wherein the periodic fluid direction-change operative control device is configured to periodically change of the fluid flow according to at least one of the following operations: an operation where the operational time for pumping the thermal conductive fluid in the first flow direction and pumping the thermal conductive fluid in the opposite second flow direction are the same; and,an operation where the operational time for pumping the thermal conductive fluid in the first flow direction and pumping the thermal conductive fluid in the opposite second flow direction are different. 5. The device for exchanging heat according to claim 1, further comprising two unidirectional fluid pumps, wherein a first unidirectional fluid pump and a second unidirectional fluid pump of the two unidirectional fluid pumps are coupled to at least one of the first fluid port and the second fluid port of the single flow circuit. 6. The device for exchanging heat according to claim 5, wherein the periodic fluid direction-change operative control device is further configured to mitigate an impact generated during a course of reversing pumping direction between the first or second directions of the thermal conductive fluid by operating in at least one of the following operational methods: an operational method whereby when changing the fluid flow direction, the periodic fluid direction-change operative control device is configured to control at least one of the unidirectional fluid pumps to slowly reduce a flow rate of the thermal conductive fluid to no flow and then to switch the direction of the fluid flow and to slowly increase the flow rate of the thermal conductive fluid to a maximum preset value; and,an operational method whereby when changing the fluid flow direction, the periodic fluid direction-change operative control device is configured to control at least one of the unidirectional fluid pumps to slowly reduce a flow rate of the thermal conductive fluid to no flow and to stop the at least one unidirectional fluid pump for a preset time period, and then to control the other unidirectional fluid pump to pump the thermal conductive fluid in the opposite direction to slowly increase the flow rate of the thermal conductive fluid to a maximum preset value. 7. The device for exchanging heat according to claim 5, wherein the two unidirectional fluid pumps are configured to pump in different directions, and are connected in series, wherein the two unidirectional fluid pumps are both installed on either one of the first fluid port or the second fluid port of the single flow circuit, wherein the periodic fluid direction-change operative control device is configured to alternately control the first unidirectional fluid pump to periodically pump in the forward direction and to control the second unidirectional fluid pump to periodically pump in the reverse direction. 8. The device for exchanging heat according to claim 5, wherein the two unidirectional fluid pumps are configured to pump in different pumping directions, and are connected in series, wherein each of the two unidirectional fluid pumps is separately installed on the first fluid port and the second fluid port of the single flow circuit, wherein the periodic fluid direction-change operative control device is configured to control the unidirectional fluid pumps in different pumping directions. 9. The device for exchanging heat according to claim 5, wherein the two unidirectional fluid pumps are configured to pump in different pumping directions, and are connected in parallel, wherein the two unidirectional fluid pumps are both installed at the first fluid port or the second fluid port of the single flow circuit, wherein the unidirectional fluid pumps are connected in series with a unidirectional valve in forward polarity to avoid reverse flows. 10. The device for exchanging heat according to claim 1, further comprising at least a second detecting device, said at least second detecting device being a gaseous or liquid fluid composition detecting device, wherein the at least one second detecting device is positioned at a location on the heat exchanger to detect given properties of the pumped fluid,wherein the periodic fluid direction-change operative control device is configured to use the detected signals from the at least one temperature detecting device from the at least one second detecting device as a reference for operatively controlling the flow direction of the thermal conductive fluid based on a control scheme selected from the group consisting of: controlling the time in which the thermal conductive fluid flows in the first direction or in the opposite second direction; and, controlling a speed or a flow rate of the pumped thermal conductive fluid, and.

이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

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특허 상세정보

Single flow circuit heat exchange device for periodic positive and reverse directional pumping

초록

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

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특허 상세정보

Single flow circuit heat exchange device for periodic positive and reverse directional pumping

초록

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이 특허에 인용된 특허 (26)

이 특허를 인용한 특허 피인용횟수: 2

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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