[특허]Low flow phase separator with intermittent pumping

Hamilton Sundstrand

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특허 상세정보

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Low flow phase separator with intermittent pumping

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B01D-019/00
미국특허분류(USC)	096/157; 096/168; 096/169; 096/172; 096/174; 096/208; 096/214; 096/216; 096/421
출원번호	US-0758623 (2004-01-15)
발명자 / 주소	Dean,W. Clark
출원인 / 주소	Hamilton Sundstrand
대리인 / 주소	Carlson, Gaskey &
인용정보	피인용 횟수 : 4 인용 특허 : 2

초록
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A low flow rotary separator includes a housing that defines a separator chamber and a liquid/gas mixture inlet. A shaft driven by a motor includes a plurality of disks in frictional contact with the mixture to drive the liquid outward against an inner wall of the separator and displace gas to a central region about the shaft. The liquid exits through a liquid outlet valve into a high-pressure storage container. The pressure of the liquid is increased to allow flow into the high-pressure storage container by a pump driven by the shaft. A level control val...

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What is claimed is: 1. A rotary liquid/gas separator assembly for separating a low pressure liquid/gas mixture into liquid and gas components, said assembly comprising: a housing defining a separator chamber; a liquid/gas inlet; a shaft supported for rotation about a longitudinal axis within said separator chamber and having a hollow section in communication with a gas outlet; a drive to rotate said shaft; a plurality of disks attached to rotate with said shaft, said disks in frictional contact with said liquid such that rotation of said disks creates centrifugal force driving said liquid toward inner walls of said separator chamber; an outlet valve that opens in response to an increase in pressure above a predetermined level; a liquid feed passage communicating liquid from said separator chamber to a pump, said pump increasing liquid pressure above said predetermined level to open said outlet valve; and a level control valve that closes a bypass passage between the outlet valve and the separator chamber in response to a predetermined pressure differential between liquid increased in pressure by said pump and liquid within said separator chamber, wherein said pump includes a piston actuated within a pump chamber, said piston pumping liquid from said liquid feed passage out to said outlet valve and said level control valve. 2. The assembly of claim 1, wherein a swash plate driven by said shaft actuates said piston within said pump chamber. 3. The assembly of claim 1, wherein said piston is a ball oscillated within said pump chamber. 4. The assembly of claim 1, wherein an eccentric pin driven by said shaft actuates said piston within said pump chamber. 5. The assembly of claim 1, wherein said level control valve includes a return flow passage communicating liquid from said pump back into said separator chamber. 6. The assembly of claim 5, including a supply line communicating fluid pressure within said separator chamber to said level control valve such that said level control valve closes said return passage and pressure within said pump chamber increases above said predetermined level to open said outlet valve. 7. The assembly of claim 1, including an inlet check valve for preventing liquid flow from said pump chamber back through said liquid feed passage. 8. The assembly of claim 1, wherein said shaft is supported on a hydrodynamic bearing assembly within said housing such that said shaft rotates on a cushion of liquid, said housing includes liquid passages to supply liquid to said hydrodynamic bearings and to exhaust liquid from said hydrodynamic bearings. 9. The assembly of claim 1, wherein each of said plurality of disks includes a plurality of openings disposed near said shaft such that said liquid/gas mixture flows between disks. 10. The assembly of claim 1, wherein said drive is an electric motor. 11. A rotary liquid/gas separator assembly for separating a low pressure liquid/gas mixture into liquid and gas components, said assembly comprising: a housing defining a separator chamber; a liquid/gas inlet; a shaft supported for rotation about a longitudinal axis within said separator chamber and having a hollow section in communication with a gas outlet; a drive to rotate said shaft; a plurality of disks attached to rotate with said shaft, said disks in frictional contact with said liquid such that rotation of said disks creates centrifugal force driving said liquid toward inner walls of said separator chamber, wherein at least one of said plurality of disks includes a cylinder attached about a circumference; an outlet valve that opens in response to an increase in pressure above a predetermined level; a liquid feed, passage communicating liquid from said separator chamber to a pump, said pump increasing liquid pressure above said predetermined level to open said outlet value; and a level control valve that closes a bypass passage between the outlet valve and the separator chamber in response to a predetermined pressure differential between liquid increased in pressure by said pump and liquid within said separator chamber. 12. The assembly of claim 11, wherein said cylinder is substantially perpendicular to said disks. 13. The assembly of claim 11, further including a gap disposed between said cylinders attached to separate disks. 14. A rotary liquid/gas separator assembly for separating a liquid/gas mixture into separate phases, said assembly comprising: a housing defining a separator chamber; a liquid/gas inlet; a shaft supported for rotation within said separator chamber and having a hollow section in communication with a gas outlet; a plurality of disks attached to rotate with said shaft, said disks in frictional contact with said liquid such that rotation of said disks creates centrifugal force driving said liquid toward inner walls off said separator chamber, wherein at least one of said plurality of disks includes a series of radial vanes disposed about an outer diameter of said at least one of said plurality of disks; a liquid outlet disposed within said housing and including a valve that opens in response to a predetermined pressure differential between liquid in said outlet and liquid in said separator chamber; and a drive for rotating said shaft at a first speed generating a first pressure of said liquid within said separator chamber, and a second speed for generating said predetermined pressure differential. 15. The assembly of claim 14, including a pressure differential sensor for sensing a liquid pressure and a gas pressure within the separator chamber. 16. The assembly of claim 15, wherein said pressure differential sensor is disposed within a pressure sensing part within said housing, said port in communication with a first pressure sensing passage in communication with an outer diameter of said separator chamber, and a second pressure sensing passage in communication with a point near said shaft. 17. The assembly of claim 14, wherein said drive rotates at said first speed until said pressure differential sensor indicates a pressure difference above a desired pressure indicative of a specific liquid level and then rotates said shaft at a second speed to generate said predetermined pressure differential for opening said outlet valve. 18. The assembly of claim 14, wherein said liquid outlet includes an opening tangential to said inner walls of said separator chamber. 19. The assembly of claim 14, wherein said shaft is supported on a hydrodynamic bearing assembly within said housing such that said shaft rotates on a cushion of liquid, said housing includes liquid passages to supply liquid to said hydrodynamic bearings and to exhaust liquid from said hydrodynamic bearings. 20. The assembly of claim 14, wherein at least one of said plurality of disks includes a cylinder attached about a circumference of said disk. 21. The assembly of claim 14, wherein each of said plurality of disks includes a plurality of openings disposed near said shaft and near an outer diameter of said disks for allowing flow of said liquid/gas mixture between said disks. 22. The assembly of claim 14, wherein said drive is an electric motor. 23. A rotary liquid/gas separator assembly for separating a low pressure liquid/gas mixture into liquid and gas components, said assembly comprising: a housing defining a separator chamber including a liquid/gas inlet, a liquid outlet, and a gas outlet; a shaft supported for rotation within said separator chamber and having a hollow section in communication with said gas outlet; a plurality of disks attached to said shaft and in frictional contact with the liquid/gas mixture such that rotation of said disks drives liquid of the liquid/gas mixture toward inner walls of said separator chamber; a liquid outlet valve that opens in response to an increase in pressure above a predetermined level to exhaust liquid through said liquid outlet; and a liquid feed passage communicating liquid from said separator chamber to a pump, said pump including a piston actuated within a pump chamber for increasing liquid pressure above said predetermined level to open said liquid outlet valve. 24. The assembly as recited in claim 23, wherein a swash plate driven by said shaft actuates said piston within said pump chamber. 25. The assembly as recited in claim 23, wherein said piston comprises a ball oscillated within said pump chamber. 26. The assembly as recited in claim 23, wherein an eccentric pin driven by said shaft actuates said piston within said pump chamber.

이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 4

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Low flow phase separator with intermittent pumping

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Low flow phase separator with intermittent pumping

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이 특허에 인용된 특허 (2)

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