Centrifugal heat transfer engine and heat transfer systems embodying the same
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-003/00
F28D-015/00
출원번호
US-0265651
(2002-10-04)
발명자
/ 주소
Kidwell, John E.
출원인 / 주소
Kelix Heat Transfer Systems, LLC
인용정보
피인용 횟수 :
39인용 특허 :
5
초록▼
A heat transfer engine having cooling and heating modes of reversible operation, in which heat can be effectively transferred within diverse user environments for cooling, heating and dehumidification applications. The heat transfer engine of the present invention includes a rotor structure which is
A heat transfer engine having cooling and heating modes of reversible operation, in which heat can be effectively transferred within diverse user environments for cooling, heating and dehumidification applications. The heat transfer engine of the present invention includes a rotor structure which is rotatably supported within a stator structure. The stator has primary and secondary heat exchanging chambers in thermal isolation from each other. The rotor has primary and secondary heat transferring portions within which a closed fluid flow circuit is embodied. The closed fluid flow circuit within the rotor has a spiraled fluid-return passageway extending along its rotary shaft, and is charged with a refrigerant which is automatically circulated between the primary and secondary heat transferring portions of the rotor when the rotor is rotated within an optimized angular velocity range under the control of a temperature-responsive system controller.
대표청구항▼
1. A heat transfer engine for transferring heat between first and second heat transfer chambers, comprising:a housing having first and second heat transfer chambers, and a thermal isolation barrier disposed therebetween; and a rotatable heat transfer structure rotatably supported within said housing
1. A heat transfer engine for transferring heat between first and second heat transfer chambers, comprising:a housing having first and second heat transfer chambers, and a thermal isolation barrier disposed therebetween; and a rotatable heat transfer structure rotatably supported within said housing about an axis of rotation and having a substantially symmetrical moment of inertia about said axis of rotation, said rotatable heat transfer structure having a first end portion disposed within said first heat transfer chamber, a second end portion disposed within said second heat transfer chamber, and an intermediate portion disposed between said first and second end portions, said rotatable heat transfer structure embodying a closed fluid circuit symmetrically arranged about said axis of rotation, and having a return portion extending along the direction of said axis of rotation and at least a subportion of said return portion having a helical geometry, and an interior volume for containing a predetermined amount of a heat carrying medium contained within said closed fluid circuit which automatically circulates within said closed fluid circuit as said rotatable heat transfer structure is rotated about said axis of rotation and therewhile undergoes a phase transformation within said closed fluid circuit in order to carry out a heat transfer process between said first and second portions of said rotatable heat transfer structure, said first end portion of said rotatable heat transfer structure being disposed in thermal communication with a first heat exchanging medium, said second end portion rotatable heat transfer structure being disposed in thermal communication with a second heat exchanging medium, said intermediate portion being physically adjacent to said thermal barrier so that said thermal barrier presents a substantially high thermal resistance to heat transfer between said first and second heat transfer chambers during operation of said heat transfer engine, and said heat carrying medium being characterized by a predetermined heat of evaporation at which said heat carrying medium transforms from liquid phase to vapor phase, and a predetermined heat of condensation at which said heat carrying medium transforms from vapor phase to liquid phase; and a flow restriction means disposed along said intermediate portion for restricting the flow of said heat carrying fluid through said closed fluid circuit as said rotatable heat transfer structure is rotated about said axis of rotation. 2. The heat transfer engine of claim 1, wherein said first and second heat transfer chambers each have first and second ports and a continuous passageway therebetween.3. The heat transfer engine of claim 1, which further comprises:torque generation means for imparting torque to said rotatable heat transfer structure and causing said rotatable heat transfer structure to rotate about said axis of rotation; and torque control means for controlling said torque generating means in response to the temperature of heat exchanging medium sensed at said inlet and outlet ports in said first and second heat transfer chambers. 4. The heat transfer engine of claim 3, wherein said torque generating means comprises:a motor having a drive shaft operably connected to said rotatable heat transfer structure, wherein the angular velocity of said drive shaft is maintained within a predetermined range of angular velocity by said torque controlling means. 5. The heat transfer engine of claim 3, wherein said torque generating means comprises:turbine blades disposed on at least one of said first and second end portions of said rotatable heat transfer, structure, such that said turbine blades are imparted torque by a first or second heat exchanging medium flowing through said first or second heat transfer chambers respectively, during the operation of said heat transfer engine. 6. The heat transfer engine of claim 3, wherein said torque generating means comprises:a steam turbine having a drive shaft operably connected to said rotatable heat transfer structure, for imparting torque to said rotatable heat transfer structure, and wherein said torque controlling means comprises means for controlling the angular velocity of the drive shaft of said steam turbine. 7. The heat transfer engine of claim 1, wherein the first end portion of said rotatable heat transfer structure functions as an evaporator and the second end portion of said rotatable heat transfer structure functions as a condenser when said rotatable heat transfer structure rotates in a clockwise direction.8. The heat transfer engine of claim 1, wherein the first end portion of said rotatable heat transfer structure functions as an condenser and the second end portion of said rotatable heat transfer structure functions as an evaporator when said rotatable heat transfer structure rotates in a counter-clockwise direction.9. The heat transfer engine of claim 1, wherein said rotatable heat transfer structure comprises a rotor portion having a substantially symmetrical moment of inertia about said axis of rotation, and said closed fluid circuit is realized as a three-dimensional flow passageway of closed loop design formed in said rotor portion, said three-dimensional flow passageway comprising a first, second, third and fourth spiral flow passageway portions connected in a series configuration about said axis of rotation, in the named order.10. The heat transfer engine of claim 1, wherein said rotor portion comprises a plurality of rotor discs assembled together to form a unitary structure, wherein each said rotor disc has formed therein a section of grooving which relates to a portion of said three-dimensional flow passageway formed in said rotor portion.11. The heat transfer engine of claim 1, wherein said rotatable heat transfer structure comprises a rotor shaft along which said return portion of said closed fluid circuit extends, and wherein said closed fluid circuit is realized as a three-dimensional tubing configuration supported about said rotor shaft having a first, second, third and fourth spiral tubing sections continuously connected in a series configuration about said axis of rotation, in the named order.12. The heat transfer engine of claim 1, wherein said return portion has a helical geometry which extends substantially along the entire extend of said rotor shaft.13. The heat transfer engine of claim 2, which further comprises:first connection means for interconnecting a first heat exchanging circuit to said first and second ports of said first heat transfer chamber, so as to permit a first heat exchanging medium to flow through said first heat exchanging circuit and said first chamber during the operation of said heat transfer engine; and second connection means for interconnecting a second heat exchanging circuit to said first and second ports of said second heat transfer chamber, so as to permit a second heat exchanging medium to flow through said second heat exchanging circuit and said second heat transfer chamber during the operation of said heat transfer engine, while said first and second heat exchanging circuits are in substantial thermal isolation of each other. 14. The heat transfer engine of claim 13, which further comprises temperature sensing means for measuring the temperature of said heat exchanging medium flowing through said inlet and outlet ports of said first and secondary heat transfer chambers.15. The heat transfer engine of claim 13, wherein said first heat exchanging medium flow through said first heat exchanging circuit is air, and said second heat exchanging medium flow through said second heat exchanging circuit is air.16. The heat transfer engine of claim 13, wherein said first heat exchanging medium flow through said first heat exchanging circuit is water, and said second heat exchanging medium flow through said second heat exchanging circuit is air.17. The heat transfer engine of claim 13, wherein said first heat exchanging medium flow through said first heat exchanging circuit is water, and said second heat exchanging medium flow through said second heat exchanging circuit is water.18. The heat transfer engine of claim 13, wherein said first heat exchanging medium flow through said first heat exchanging circuit is air, and said second heat exchanging medium flow through said second heat exchanging circuit is water.19. The heat transfer engine of claim 1, wherein the direction of phase change of said heat carrying liquid is reversible when the direction of angular rotation of said rotatable heat transfer structure is reversed.
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