Gerotor apparatus for a quasi-isothermal Brayton cycle engine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03C-002/00
F03C-004/00
F04C-002/00
출원번호
US-0761432
(2010-04-16)
등록번호
US-8821138
(2014-09-02)
발명자
/ 주소
Holtzapple, Mark T.
Rabroker, George A.
출원인 / 주소
The Texas A&M University System
인용정보
피인용 횟수 :
1인용 특허 :
74
초록▼
According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and a synchronizing apparatus operable to control the rotation of the inner gerotor
According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and a synchronizing apparatus operable to control the rotation of the inner gerotor relative to the outer gerotor. The inner gerotor includes one or more entrance passages operable to communicate a lubricant into the outer gerotor chamber.
대표청구항▼
1. A gerotor apparatus, comprising: a housing;an outer gerotor disposed within the housing; andan inner gerotor disposed within the outer gerotor;wherein: at least one of the inner gerotor and the outer gerotor is configured to rotate with respect to the other,at least one of the inner gerotor and t
1. A gerotor apparatus, comprising: a housing;an outer gerotor disposed within the housing; andan inner gerotor disposed within the outer gerotor;wherein: at least one of the inner gerotor and the outer gerotor is configured to rotate with respect to the other,at least one of the inner gerotor and the outer gerotor has first and second layers,the first layer is a ceramic, andthe second layer is a non-ceramic;wherein a combination of the housing, the outer gerotor, and the inner gerotor is configured for at least a compression or an expansion of fluid;wherein at least one of the inner gerotor and the outer gerotor further comprises protrusions or knobs coupling the first layer to the second layer; andwherein the protrusions or knobs either extend from the first ceramic layer into the second non-ceramic layer or extend from a common point in one of the layers radially outward into the other of the layers. 2. The gerotor apparatus of claim 1, wherein the at least one of the inner gerotor and the outer gerotor having the first and second layers further comprises a plurality of teeth at least partially formed from each of the first and second layers. 3. The gerotor apparatus of claim 1, wherein both of the inner gerotor and the outer gerotor have two layers. 4. The gerotor apparatus of claim 1, wherein: a receiving portion of one of the first or second layer is configured to receive a portion of the other of the first or second layer to couple the first layer to the second layer, andthe receiving portion is either the second non-ceramic layer or an outer layer of the inner gerotor. 5. The gerotor apparatus of claim 1, wherein: at least one of the first layer or the second layer comprises a plurality of segments, andeach of the plurality of segments is coupled to the other of the first layer or the second layer by at least one of the protrusions or knobs. 6. The gerotor apparatus of claim 1, wherein the ceramic in the first layer has a coefficient of thermal expansion less than 2×10−6 m/(mK). 7. The gerotor apparatus of claim 1, wherein the second layer is metallic. 8. A gerotor apparatus, comprising: a housing;an outer gerotor disposed within the housing; andan inner gerotor disposed within the outer gerotor;wherein: at least one of the inner gerotor and the outer gerotor is configured to rotate with respect to the other when viewed from a cross section of the inner gerotor and the outer gerotor,at least one of the inner gerotor and the outer gerotor has two layers, andat least one of the two layers is segmented into a plurality of segments when viewed from the cross section. 9. The gerotor apparatus of claim 8, wherein a segmented layer of the two layers is configured to allow a different thermal expansion between the segmented layer of the two layers and the other of the two layers. 10. The gerotor apparatus of claim 8, wherein the at least one of the inner gerotor and the outer gerotor having the two layers further comprises a plurality of teeth at least partially formed from each of the two layers. 11. The gerotor apparatus of claim 8, wherein at least one of the inner gerotor and the outer gerotor further comprises protrusions or knobs coupling the two layers. 12. The gerotor apparatus of claim 8, wherein a portion of one of the two layers is configured to receive a portion of the other of the two layers to couple the layers. 13. The gerotor apparatus of claim 8, wherein at least one of the two layers has a coefficient of thermal expansion less than 2×10−6 m/(mK). 14. The gerotor apparatus of claim 8, wherein at least one of the two layers is metallic. 15. A gerotor apparatus, comprising: a housing;an outer gerotor disposed within the housing; andan inner gerotor disposed within the outer gerotor;wherein: at least one of the inner gerotor and the outer gerotor has two layers,at least one of the two layers is segmented into a plurality of segments, andeach of the plurality of segments in a segmented layer of the two layers is coupled to the other of the two layers by at least one of a knob or a protrusion. 16. The gerotor apparatus of claim 15, wherein one of the two layers is ceramic and another of the two layers is non-ceramic. 17. The gerotor apparatus of claim 16, wherein the non-ceramic layer is metallic. 18. The gerotor apparatus of claim 15, wherein both of the inner gerotor and the outer gerotor have two layers. 19. The gerotor apparatus of claim 15, wherein the at least one of the inner gerotor and the outer gerotor having the two layers further comprises a plurality of teeth at least partially formed from each of the two layers. 20. The gerotor apparatus of claim 15, wherein the segmented layer of the two layers is configured to allow a different thermal expansion between the segmented layer of the two layers and the other of the two layers.
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