A caloric heat pump includes a plurality of elasto-caloric stages. The plurality of elasto-caloric stages is distributed between along an axial direction within a chamber of a housing. Each elasto-caloric stage includes a hub, a rim and a plurality of elasto-caloric spokes. The plurality of elasto-c
A caloric heat pump includes a plurality of elasto-caloric stages. The plurality of elasto-caloric stages is distributed between along an axial direction within a chamber of a housing. Each elasto-caloric stage includes a hub, a rim and a plurality of elasto-caloric spokes. The plurality of elasto-caloric spokes extend between the hub and the rim along a radial direction. The plurality of elasto-caloric stages is rotatable about the axial direction.
대표청구항▼
1. A heat pump system, comprising a hot side heat exchanger;a cold side heat exchanger;a pump operable to flow a working fluid between the hot and cold side heat exchangers;a caloric heat pump comprising a housing extending along an axial direction between a first end portion of the housing and a se
1. A heat pump system, comprising a hot side heat exchanger;a cold side heat exchanger;a pump operable to flow a working fluid between the hot and cold side heat exchangers;a caloric heat pump comprising a housing extending along an axial direction between a first end portion of the housing and a second end portion of the housing, the housing defining a chamber that extends longitudinally along the axial direction between the first and second end portions of the housing; anda plurality of elasto-caloric stages distributed between the first and second end portions of the housing along the axial direction within the chamber of the housing, each elasto-caloric stage of the plurality of elasto-caloric stages comprising a hub, a rim and a plurality of elasto-caloric spokes that extend between the hub and the rim along a radial direction,wherein the plurality of elasto-caloric stages is rotatable about the axial direction. 2. The heat pump system of claim 1, wherein the caloric heat pump further comprises a pair of rollers contacting the rim. 3. The heat pump system of claim 2, wherein the pair of rollers is configured for deforming a portion of the rim along the radial direction such that one or more of the plurality of elasto-caloric spokes proximate the pair of rollers relax and one or more of the plurality of elasto-caloric spokes opposite the pair of rollers stretch as the plurality of elasto-caloric stages rotate about the axial direction. 4. The heat pump system of claim 2, wherein the plurality of elasto-caloric spokes are strained between the hub and the rim such that the one or more of the plurality of elasto-caloric spokes proximate the pair of rollers has minimum strain and the one or more of the plurality of elasto-caloric spokes opposite the pair of rollers has a maximum strain. 5. The heat pump system of claim 4, wherein the minimum strain is about zero. 6. The heat pump system of claim 1, wherein the working fluid is flowable through the plurality of elasto-caloric stages within the chamber of the housing. 7. The heat pump system of claim 1, wherein the hub of each elasto-caloric stage is mounted to a common axle. 8. The heat pump system of claim 1, wherein the plurality of elasto-caloric spokes of each of the plurality of elasto-caloric stages comprise a different elasto-caloric material. 9. The heat pump system of claim 1, wherein the plurality of elasto-caloric spokes of each of the plurality of elasto-caloric stages comprise a different concentration of elasto-caloric material. 10. The heat pump system of claim 1, wherein the plurality of elasto-caloric spokes comprises a nickel titanium alloy. 11. A refrigerator appliance, comprising: a cabinet defining a chilled chamber;a cold side heat exchanger positioned within the chilled chamber;a hot side heat exchanger positioned within the cabinet and outside the chilled chamber;a pump operable to flow a working fluid between the hot and cold side heat exchangers;a caloric heat pump comprising a housing extending along an axial direction between a first end portion of the housing and a second end portion of the housing, the housing defining a chamber that extends longitudinally along the axial direction between the first and second end portions of the housing; anda plurality of elasto-caloric stages distributed between the first and second end portions of the housing along the axial direction within the chamber of the housing, each elasto-caloric stage of the plurality of elasto-caloric stages comprising a hub, a rim and a plurality of elasto-caloric spokes that extend between the hub and the rim along a radial direction,wherein the plurality of elasto-caloric stages is rotatable about the axial direction. 12. The refrigerator appliance of claim 11, wherein the caloric heat pump further comprises a pair of rollers contacting the rim. 13. The refrigerator appliance of claim 12, wherein the pair of rollers is configured for deforming a portion of the rim along the radial direction such that one or more of the plurality of elasto-caloric spokes proximate the pair of rollers relax and one or more of the plurality of elasto-caloric spokes opposite the pair of rollers stretch as the plurality of elasto-caloric stages rotate about the axial direction. 14. The refrigerator appliance of claim 12, wherein the plurality of elasto-caloric spokes are strained between the hub and the rim such that the one or more of the plurality of elasto-caloric spokes proximate the pair of rollers has minimum strain and the one or more of the plurality of elasto-caloric spokes opposite the pair of rollers has a maximum strain. 15. The refrigerator appliance of claim 14, wherein the minimum strain is about zero. 16. The refrigerator appliance of claim 11, the working fluid is flowable through the plurality of elasto-caloric stages within the chamber of the housing. 17. The refrigerator appliance of claim 11, wherein the hub of each elasto-caloric stage is mounted to a common axle. 18. The refrigerator appliance of claim 11, wherein the plurality of elasto-caloric spokes of each of the plurality of elasto-caloric stages comprise a different elasto-caloric material. 19. The refrigerator appliance of claim 11, wherein the plurality of elasto-caloric spokes of each of the plurality of elasto-caloric stages comprise a different concentration of elasto-caloric material. 20. A caloric heat pump, comprising: a housing extending along an axial direction between a first end portion of the housing and a second end portion of the housing, the housing defining a chamber that extends longitudinally along the axial direction between the first and second end portions of the housing; anda plurality of elasto-caloric stages distributed between the first and second end portions of the housing along the axial direction within the chamber of the housing, each elasto-caloric stage of the plurality of elasto-caloric stages comprising a hub, a rim and a plurality of elasto-caloric spokes that extend between the hub and the rim along a radial direction,wherein the plurality of elasto-caloric stages is rotatable about the axial direction.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.