Electronics rack with liquid-coolant-driven, electricity-generating system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01D-015/10
F02C-006/00
H02K-007/18
H02P-009/04
F02B-063/04
F03G-007/08
F03B-013/00
F03B-013/10
F01D-015/08
출원번호
US-0103233
(2011-05-09)
등록번호
US-9045995
(2015-06-02)
발명자
/ 주소
Graybill, David P.
Hoeft, Allan R.
Iyengar, Madhusudan K.
Porter, Donald W.
Romano, Enrico A.
Schmidt, Roger R.
Weber, Jr., Gerard V.
출원인 / 주소
INTERNATIONAL BUSINESS MACHINES CORPORATION
대리인 / 주소
McNamara, Esq., Margaret A.
인용정보
피인용 횟수 :
8인용 특허 :
20
초록▼
An electronics rack with a cooling apparatus and a liquid-coolant-driven, electricity-generating system. The generating system includes a housing coupled in fluid communication with a fluid transport pipe of the cooling apparatus, an impeller disposed within the housing and positioned to turn with f
An electronics rack with a cooling apparatus and a liquid-coolant-driven, electricity-generating system. The generating system includes a housing coupled in fluid communication with a fluid transport pipe of the cooling apparatus, an impeller disposed within the housing and positioned to turn with flow of fluid across the impeller, one or more magnetic structures disposed to turn with turning of the impeller, and an electrical circuit. Electricity is generated for the electrical circuit with turning of the one or more magnetic structures, and is supplied to an electrical load disposed within or associated with the electronics rack.
대표청구항▼
1. A system comprising: an electronics rack comprising multiple electronic subsystems to be cooled and having an air inlet side and an air outlet side respectively enabling ingress and egress of air through the electronics rack;a cooling apparatus associated with the electronics rack, the cooling ap
1. A system comprising: an electronics rack comprising multiple electronic subsystems to be cooled and having an air inlet side and an air outlet side respectively enabling ingress and egress of air through the electronics rack;a cooling apparatus associated with the electronics rack, the cooling apparatus comprising: at least one liquid coolant loop, the at least one liquid, coolant loop comprising a liquid coolant transport pipe;at least one liquid coolant pump coupled to circulate liquid coolant through at least one liquid coolant loop; andat least one heat exchanger associated with the electronics rack, and coupled in fluid communication with the liquid coolant loop, the at least one heat exchanger assisting in transferring heat generated by one or more electronic subsystems of the multiple electronic subsystems to the liquid coolant within the liquid coolant loop; anda liquid-coolant-driven electricity-generating system comprising: a housing coupled in fluid communication with the liquid coolant transport pipe of the cooling apparatus associated with the one electronics rack, the housing comprising a first end and a second end, the first end receiving liquid coolant flowing through the liquid coolant transport pipe, and the second end returning the liquid coolant to the liquid coolant transport pipe;a longitudinally-extending axial shaft positioned within the housing;an impeller coupled to and extending radially from the longitudinally-extending axial shaft, the impeller and longitudinally-extending axial shaft being configured and positioned to turn with the flow of the liquid coolant there-across;at least one magnetic structure distinct from the longitudinally extending axial shaft and distinct from the impeller, and fully embedded within at least one of the impeller or the longitudinally-extending axial shaft to turn with turning of the impeller and the longitudinally-extending axial shaft, wherein the at least one magnetic structure fully embedded within the impeller or the longitudinally-extending axial shaft does not change a fluid flow cross-section through the housing defined by the housing, and the longitudinally-extending axial shaft and the impeller positioned therein; andan electrical circuit, wherein electricity is generated for the electrical circuit with turning of the at least one magnetic structure, the electrical circuit supplying the electricity to an electrical load associated with the electronics rack. 2. The system of claim 1, wherein the housing of the liquid-coolant-driven, electricity-generating system is coupled in fluid communication within the liquid coolant transport pipe of the cooling apparatus, and the data center comprises an electronics rack and a heat exchanger facilitating cooling of air flowing through or egressing from the electronics rack, the fluid transport pipe being coupled in fluid communication with the heat exchanger and facilitating flow of the fluid through the heat exchanger. 3. The system of claim 2, wherein the heat exchanger is mounted to a door, the door being hingedly mounted along one edge to the electronics rack at one of the air inlet side or the air outlet side thereof. 4. The system of claim 3, further comprising: an airflow director configured for the electronics rack, wherein the airflow director redirects airflow exhausting from the electronics rack at the air outlet side thereof via an airflow return pathway back towards the air inlet side of the electronics rack; andwherein the heat exchanger is disposed within the airflow return pathway for cooling redirected airflow exhausting from the air outlet side of the electronics rack before returning to the air inlet side thereof. 5. The system of claim 2, wherein the electrical circuit is a low voltage circuit and the electrical load comprises at least one of an electronic control or a sensor associated with the electronics rack. 6. The system of claim 1, wherein the housing, the longitudinally-extending axial shaft, the impeller and the at least one magnet structure of the liquid-coolant-driven, electricity-generating system are part of a field-replaceable unit, the field-replaceable unit being sized to attach to the liquid coolant transport pipe. 7. The system of claim 1, wherein the longitudinally-extending axial shaft is positioned substantially coaxial with the liquid coolant transport pipe and is maintained in axial position by a first mounting structure and a second mounting structure disposed within the housing at opposite ends of the longitudinally-extending axial shaft. 8. The system of claim 7, wherein the at least one magnetic structure is fully embedded within the impeller. 9. The system of claim 7, further comprising a wire-wound coil at least partially encircling the housing, wherein turning of the at least one magnetic structure produces an alternating magnetic field which extends outside the housing to the wire-wound coil, thereby generating electricity within the wire-wound coil, and wherein the wire-wound coil is part of the electrical circuit. 10. The system of claim 9, wherein the electrical circuit further comprises a voltage regulator and a rechargeable battery, wherein electricity generated within the wire-wound coil facilitates charging, via the voltage regulator, the rechargeable battery. 11. The system of claim 1, wherein the impeller is disposed within a central region of the housing, the central region of the housing having a larger diameter than a diameter of the first end and the second end of the housing to minimize pressure drop of the liquid coolant flowing through the liquid coolant transport pipe. 12. A system comprising: multiple electronics racks, one electronics rack of the multiple electronics racks comprising multiple electronic subsystems to be cooled, and having an air inlet side and an air outlet side respectively enabling ingress and egress of air through the one electronics rack;a cooling apparatus associated with the one electronics rack, the cooling apparatus comprising: at least one liquid coolant loop, the at least one liquid coolant loop comprising a liquid coolant transport pipe;at least one liquid coolant pump coupled to circulate liquid coolant through the at least one liquid coolant loop; andat least one heat exchanger associated with the electronics rack and coupled in fluid communication with the liquid coolant loop, the at least one heat exchanger assisting in transferring heat generated by one or more electronic subsystems of the multiple electronic subsystems to the liquid coolant within the liquid coolant loop; anda liquid-coolant-driven, electricity-generating system comprising: a housing coupled in fluid communication with the liquid coolant transport pipe, the housing comprising a first end and a second end, the first end receiving liquid coolant flowing through the liquid coolant transport pipe, and the second end returning the liquid coolant to the fluid transport pipe;a longitudinally-extending axial shaft positioned within the housing;an impeller coupled to and extending radially from the longitudinally-extending axial shaft, the impeller and longitudinally-extending axial shaft being configured and positioned to turn with the flow of fluid there-across;at least one magnetic structure distinct from the longitudinally extending axial shaft and distinct from the impeller, and fully embedded within at least one of the impeller or the longitudinally-extending axial shaft to turn with turning of the impeller and the longitudinally-extending axial shaft, wherein the at least one magnetic structure fully embedded within the impeller or the longitudinally-extending axial shaft does not change a fluid flow cross-section through the housing defined by the housing, and the longitudinally-extending axial shaft and the impeller positioned therein; andan electrical circuit, wherein electricity is generated for the electrical circuit with turning of the at least one magnetic structure, the electrical circuit facilitating supplying the electricity to an electrical load associated with the one electronics rack. 13. The system of claim 12, wherein the heat exchanger is mounted to a door, the door being hingedly mounted along one edge to the one electronics rack at one of the air inlet side or the air outlet side thereof. 14. The system of claim 12, further comprising: an airflow director configured for the one electronics rack, wherein the airflow director redirects airflow exhausting from the electronics rack at the air outlet side via an airflow return pathway back towards the air inlet side of the electronics rack; andwherein the heat exchanger is disposed within the airflow return pathway for cooling redirected airflow exhausting from the air outlet side of the electronics rack before returning to the air inlet side thereof. 15. The system of claim 12, wherein the longitudinally-extending axial shaft is positioned substantially coaxial with the liquid coolant transport pipe and is maintained in axial position by a first mounting structure and a second mounting structure disposed within the housing at opposite ends of the longitudinally-extending axial shaft. 16. The system of claim 15, wherein the liquid-coolant-driven, electricity-generating system further comprises a wire-wound coil at least partially encircling the housing, wherein turning of the at least one magnetic structure produces an alternating magnetic field which extends outside the housing to the wire-wound coil, thereby generating electricity within the wire-wound coil, and wherein the wire-wound coil is part of the electrical circuit. 17. The system of claim 1, wherein the at least one heat exchanger of the cooling apparatus comprises at least one air-to-coolant heat exchanger associated with the electronics rack and positioned for air passing through the electronics rack to pass across the at least one air-to-cooled heat exchanger to extract therefrom heat generated by the one or more electronic subsystems of the multiple subsystems of the electronics rack.
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