Valve assembly with cage and flow control assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16K-047/08
E21B-034/04
E21B-034/02
F16K-003/24
출원번호
US-0972054
(2015-12-16)
등록번호
US-10125571
(2018-11-13)
우선권정보
GB-1423203.7 (2014-12-24)
발명자
/ 주소
Hopper, Hans Paul
출원인 / 주소
Cameron International Corporation
대리인 / 주소
Fletcher Yoder, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
24
초록▼
A valve assembly is provided, the assembly comprising a valve housing; an inlet for fluid entering the valve housing; an outlet for fluid leaving the valve housing; a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is
A valve assembly is provided, the assembly comprising a valve housing; an inlet for fluid entering the valve housing; an outlet for fluid leaving the valve housing; a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through the flow control assembly, the flow control assembly comprising a cage having apertures therethrough to provide passage for fluid passing from the inlet to the outlet, the cage having a longitudinal axis and an outlet end, in use fluid generally flowing within the cage in a downstream direction towards the outlet end; a closure assembly moveable with respect to the cage to open or close each of the apertures through the cage, to thereby control the flow of fluid through the cage; wherein the apertures in the cage extend through the cage at a first angle being an angle to the longitudinal axis of the cage in the upstream direction. A cage for use in a valve assembly is also provided.
대표청구항▼
1. A valve assembly comprising: a valve housing;an inlet for fluid entering the valve housing;an outlet for fluid leaving the valve housing;a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through t
1. A valve assembly comprising: a valve housing;an inlet for fluid entering the valve housing;an outlet for fluid leaving the valve housing;a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through the flow control assembly, the flow control assembly comprising:a cage having apertures therethrough to provide passage for fluid passing from the inlet to the outlet, the cage having a longitudinal axis and an outlet end, in use fluid generally flowing within the cage in a downstream direction towards the outlet end;a plug with a flow guide member, wherein the flow guide member comprises a guide surface extending laterally across an interior of the cage, wherein a radially outer portion of the flow guide member is provided with a first curvilinear circumferential surface portion extending at second angles tangent thereto, wherein the second angles extend in an upstream direction with respect to the longitudinal axis of the cage, a radially inner portion of the flow guide member is provided with a second curvilinear surface portion extending at third angles tangent thereto, wherein the third angles extend in the downstream direction with respect to the longitudinal axis of the cage to redirect the fluid flowing over the first curvilinear surface portion in the downstream direction, wherein the second curvilinear surface portion is a rounded cone. 2. The valve assembly according to claim 1, wherein all the fluid entering the valve housing through the inlet is caused to flow through the flow control assembly to the outlet. 3. The valve assembly according to claim 1, wherein the valve housing comprises a cavity therein, the flow control assembly being disposed within the cavity, such that the cavity extends around the flow control assembly. 4. The valve assembly according to claim 3, wherein the inlet extends at an angle to a radial direction within the cavity, such that fluid entering the cavity is not caused to impinge directly onto the flow control assembly. 5. The valve assembly according to claim 4, wherein the inlet is tangential to a wall that defines the cavity, and wherein fluid enters the cavity along the wall that defines the cavity. 6. The valve assembly according to claim 5, wherein the wall defines an involute channel that extends circumferentially around the flow control assembly, and wherein the inlet is configured to direct an incoming fluid stream into the involute channel. 7. The valve assembly according to claim 6, wherein the involute channel has a progressively smaller cross-sectional area travelling in a direction of flow of fluid in the channel. 8. The valve assembly according to claim 1, wherein the apertures are arranged in the cage in a plurality of rows, each row containing at least one aperture, adjacent rows being separated by a land having no apertures therethrough. 9. The valve assembly according to claim 8, wherein the adjacent apertures in adjacent rows are offset circumferentially from one another around an exterior of the cage, wherein the adjacent apertures in adjacent rows extend in a helical pattern along and around the cage. 10. The valve assembly according to claim 1, wherein the apertures in the cage extend through the cage at an angle less than 85° with respect to the longitudinal axis of the cage. 11. The valve assembly according to claim 10, wherein the apertures in the cage extend through the cage at an angle less than 80° with respect to the longitudinal axis of the cage. 12. The valve assembly according to claim 10, wherein the apertures in the cage extend through the cage at an angle from 50° to 80° with respect to the longitudinal axis of the cage. 13. The valve assembly according to claim 1, wherein the apertures extend through a wall of the cage at a second angle being an angle to a radial direction of the cage. 14. The valve assembly according to claim 13, wherein a first aperture is angled to guide fluid entering an interior of the cage through the first aperture to pass above a stream of fluid entering the cage through a second aperture adjacent the first aperture in the same lateral plane as the first aperture. 15. The valve assembly according to claim 13, wherein the second angle is at least 10°. 16. The valve assembly according to claim 15, wherein the second angle is at least 20°. 17. The valve assembly according to claim 16, wherein the second angle is at least 70°. 18. The valve assembly according to claim 17, wherein the second angle is such that the apertures open at a tangent to an inner surface of the wall of the cage. 19. The valve assembly according to claim 1, wherein the apertures are quadrilateral in shape, in the shape of a parallelogram or rhomboidal. 20. The valve assembly according to claim 19, wherein the apertures are in the shape of a parallelogram. 21. The valve assembly according to claim 20, wherein the apertures are rhomboidal. 22. The valve assembly according to claim 1, wherein upstream and/or downstream edges of each aperture are curved. 23. The valve assembly according to claim 1, wherein the cage comprises apertures of a plurality of different sizes. 24. An apparatus, comprising: a cage assembly for use in a fluid valve assembly, the cage assembly comprising: a cage having apertures therethrough to provide passage for fluid passing from an exterior of the cage to an interior of the cage through a cage wall, the cage having a longitudinal axis, wherein the apertures in the cage wall extend through the cage wall at a first angle to the longitudinal axis of the cage, such that, in use, fluid entering the cage through each aperture is directed into the cage at an angle to the longitudinal axis in an upstream direction; anda plug with a flow guide member, wherein the flow guide member comprises a guide surface extending laterally across an interior of the cage, wherein a radially outer portion of the flow guide member is provided with a first curvilinear circumferential surface portion extending at second angles tangent thereto, wherein the second angles extend in the upstream direction with respect to the longitudinal axis of the cage, a radially inner portion of the flow guide member is provided with a second curvilinear surface portion extending at third angles tangent thereto, wherein the third angles extend in a downstream direction with respect to the longitudinal axis of the cage to redirect the fluid flowing over the first curvilinear surface portion in the downstream direction, wherein the second curvilinear surface portion is a rounded cone. 25. A valve assembly comprising: a valve housing;an inlet for fluid entering the valve housing;an outlet for fluid leaving the valve housing;a flow control assembly disposed within the valve housing between the inlet and the outlet, whereby fluid entering the valve housing is caused to flow through the flow control assembly, the flow control assembly comprising:a cage having apertures therethrough to provide passage for fluid passing from the inlet to the outlet, the cage having a longitudinal axis and an outlet end, wherein the apertures in the cage extend through the cage at a first angle to the longitudinal axis of the cage, and wherein the first angle is in an upstream direction with respect to the outlet end of the cage;a flow guide member, wherein the flow guide member comprises a guide surface extending laterally across an interior of the cage, wherein a radially outer portion of the flow guide member is provided with a first curvilinear circumferential surface portion extending at second angles tangent thereto, wherein the second angles extend in the upstream direction with respect to the longitudinal axis of the cage, a radially inner portion of the flow guide member is provided with a second curvilinear surface portion extending at third angles tangent thereto, wherein the third angles extend in a downstream direction with respect to the longitudinal axis of the cage, and wherein the second curvilinear surface portion is a rounded cone; anda closure assembly moveable with respect to the cage to open or close each of the apertures through the cage to control the flow of fluid through the cage. 26. The apparatus of claim 24, wherein the rounded cone defines a first distal end, wherein the distal end is substantially even with a second distal end of the radially outer portion of the flow guide member. 27. The apparatus of claim 25, wherein the rounded cone defines a first distal end, wherein the distal end is substantially even with a second distal end of the radially outer portion of the flow guide member.
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이 특허에 인용된 특허 (24)
Madison, Kent R., Aquifier flow controlling valve assembly and method.
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