Gerotor apparatus for a quasi-isothermal Brayton cycle engine
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F01C-019/00
F03C-002/00
출원번호
UP-0256364
(2005-10-21)
등록번호
US-7695260
(2010-05-20)
발명자
/ 주소
Holtzapple, Mark T.
Rabroker, Andrew
Ross, Michael Kyle
Atmur, Steven D.
Noyes, Gary P.
출원인 / 주소
The Texas A&M University System
StarRotor Corporation
대리인 / 주소
Baker Botts L.L.P.
인용정보
피인용 횟수 :
6인용 특허 :
75
초록▼
According to one embodiment of the invention, an engine system comprises a housing, an outer gerotor, an inner gerotor, a tip inlet port, a face inlet port, and a tip outlet port. The housing has a first sidewall, a second sidewall, a first endwall, and a second endwall. The outer gerotor is at leas
According to one embodiment of the invention, an engine system comprises a housing, an outer gerotor, an inner gerotor, a tip inlet port, a face inlet port, and a tip outlet port. The housing has a first sidewall, a second sidewall, a first endwall, and a second endwall. The outer gerotor is at least partially disposed in the housing and at least partially defines an outer gerotor chamber. The inner gerotor is at least partially disposed within the outer gerotor chamber. The tip inlet port is formed in the first sidewall and allows fluid to enter the outer gerotor chamber. The face inlet port is formed in the first endwall and allows fluid to enter the outer gerotor chamber. The tip outlet port is formed in the second sidewall and allows fluid to exit the outer gerotor chamber.
대표청구항▼
What is claimed is: 1. An engine system, comprising: a housing; an outer gerotor at least partially disposed in the housing and at least partially defining an outer gerotor chamber, the outer gerotor including abradable tips; an inner gerotor at least partially disposed within the outer gerotor cha
What is claimed is: 1. An engine system, comprising: a housing; an outer gerotor at least partially disposed in the housing and at least partially defining an outer gerotor chamber, the outer gerotor including abradable tips; an inner gerotor at least partially disposed within the outer gerotor chamber, an outer surface of the inner gerotor including a roughened surface, the outer gerotor and the inner gerotor rotating relative to one another, and the roughened surface of the inner gerotor abrading the abradable tips during the rotation; and a synchronizing mechanism operable to prevent contact between the inner gerotor and the outer gerotor after the surface of the abradable tips is removed. 2. The engine system of claim 1, wherein the housing includes a movable slider operable to adjust a ratio of compression or expansion in the outer gerotor chamber. 3. The engine system of claim 1, wherein the housing includes a first sidewall, a tip outlet port is formed in the first sidewall, the tip outlet port allowing fluid to exit the outer gerotor chamber, the tip outlet port includes a top portion and a bottom portion, a seal is created between the top portion and one of the inner gerotor or the outer gerotor, a seal is created between the bottom portion and the one of the inner gerotor or the outer gerotor, and the top portion and the bottom portion are substantially symmetrical. 4. The engine system of claim 3, wherein the symmetrical top and bottom portions are operable to balance pressures created by a fluid leak between the seal between the top portion and the one of the inner gerotor or the outer gerotor and a fluid leak between the seal between the bottom portion and the one of the inner gerotor or the outer gerotor. 5. The engine system of claim 1, further comprising: a seal between the housing and one of the inner gerotor or the outer gerotor, wherein a thermal datum for the engine system is substantially in the same plane as the seal between the housing and the one of the inner gerotor or the outer gerotor. 6. The engine system of claim 5, further comprising: at least one bearing substantially in the same plane as the thermal datum. 7. The engine system of claim 6, wherein the at least one bearing creates the thermal datum. 8. The engine system of claim 7, wherein the at least one bearing creates the thermal datum by resisting axial movement. 9. The engine system of claim 1, wherein an interaction between a portion of one of the inner gerotor and the outer gerotor and a portion of the housing create a journal bearing, the journal bearing including a gap between the housing and the one of the inner gerotor and the outer gerotor. 10. The engine system of claim 9, wherein the one of the inner gerotor and the outer gerotor includes peripheral portions separated by at least one slot, and the weight of the peripheral portions centrifugally force an inner perimeter of the one of the inner gerotor and the outer gerotor to open up when the one of the inner gerotor and the outer gerotor rotates, thereby increasing a space between the gap. 11. The engine system of claim 1, wherein power is introduced to the engine system through the inner gerotor. 12. The engine system of claim 11, wherein the power is introduced through a rotatable shaft, and the inner gerotor is rigidly coupled to the rotatable shaft. 13. The engine system of claim 1, wherein power is introduced to the engine system through the outer gerotor. 14. The engine system of claim 13, wherein the power is introduced through a pulley system, and the outer gerotor is rigidly coupled to the pulley system. 15. The engine system of claim 1, wherein power is introduced to the engine system through a motor imbedded in the inner gerotor. 16. The engine system of claim 15, further comprising a rigid shaft, and a motor feed line disposed within the rigid shaft and coupled to the motor, the motor feed line operable to power the motor. 17. The engine system of claim 15, wherein the motor is an electrical motor. 18. The engine system of claim 1, further comprising: an adjustable sealing structure disposed in a wall of the housing, the adjustable sealing structure operable to adjustably create a seal between the housing and the outer gerotor. 19. The engine system of claim 18, wherein the outer gerotor includes at least one strengthening band, the adjustable sealing structure is operable to receive the strengthening band, and the seal is created between the housing and the strengthening band. 20. The engine system of claim 19, wherein the adjustable sealing structure of the housing includes at least one groove having a gap operable to receive the strengthening band, the at least one groove include a first seat disposed on one side of the gap and a second seat disposed on a second side of the gap, at least one of the first seat and the second seat can be actuated towards the other of the first seat and the second seat to reduce the gap, and the actuation of at least one of the first seat and the second seat forces the first seat and the second seats against the strengthening band. 21. The engine system of claim 20, wherein at least one of the first seat and the second seat includes tubing that receives fluid to actuate towards the other of the first seat and the second seat to reduce the gap.
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