CN103301657B - 静止区流体过滤器 - Google Patents

静止区流体过滤器 Download PDF

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CN103301657B
CN103301657B CN201310070605.3A CN201310070605A CN103301657B CN 103301657 B CN103301657 B CN 103301657B CN 201310070605 A CN201310070605 A CN 201310070605A CN 103301657 B CN103301657 B CN 103301657B
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fluid flow
fluid
flow tubes
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CN103301657A (zh
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P.小瓦伦西亚
B.K.巴特尼克
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GM Global Technology Operations LLC
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/26Separation of sediment aided by centrifugal force or centripetal force
    • B01D21/265Separation of sediment aided by centrifugal force or centripetal force by using a vortex inducer or vortex guide, e.g. coil
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0087Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2405Feed mechanisms for settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/2444Discharge mechanisms for the classified liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/24Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411Filter cartridges
    • B01D46/2414End caps including additional functions or special forms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/083Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
    • F16K11/0833Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/083Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug
    • F16K11/0836Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with tapered plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0853Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in a single plane perpendicular to the axis of the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/08Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
    • F16K11/085Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
    • F16K11/0856Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug having all the connecting conduits situated in more than one plane perpendicular to the axis of the plug
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/22Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
    • F16K3/24Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
    • F16K3/26Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
    • F16K3/262Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member with a transverse bore in the valve member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/04Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
    • F16K5/0407Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0605Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/043Treatment of partial or bypass streams
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/794With means for separating solid material from the fluid
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/794With means for separating solid material from the fluid
    • Y10T137/8013Sediment chamber
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86574Supply and exhaust
    • Y10T137/86638Rotary valve
    • Y10T137/86646Plug type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86718Dividing into parallel flow paths with recombining
    • Y10T137/86726Valve with bypass connections
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/8593Systems
    • Y10T137/86493Multi-way valve unit
    • Y10T137/86863Rotary valve unit
    • Y10T137/86871Plug
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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    • Y10T137/87177With bypass
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
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    • Y10T137/87587Combining by aspiration

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Abstract

本发明涉及一种静止区流体过滤器。储槽经由上游连通端口和下游连通端口与流体流管连通。在上游连通端口处,在流体流管中流动的液体进入储槽的静止区,于是颗粒在静止区中下降。然后,液体在下游连通端口处重新进入流体流管,而在其中无颗粒。静止区流体过滤器有利地在流体流量控制阀内如例如在筒阀的阀筒处实现。

Description

静止区流体过滤器
技术领域
本发明涉及流体过滤器,更具体地涉及一种静止区流体过滤器,该过滤器促进存在于流动流体中的颗粒陷入地沉淀到过滤器的流体储槽中。
背景技术
过滤器被用来除去悬浮的或以其它方式存在于流动流体中的颗粒。相对于液体而言,最常用的是多孔介质过滤器,其中多孔介质,如例如纸质材料,允许液体分子自由地流动通过孔隙,但是由液体携带的颗粒被阻止,因为它们的尺寸太大不能经过孔隙。虽然多孔介质过滤器工作良好,但问题是,此类过滤器会变得负担有颗粒,导致缓慢液体流动、两端高压差、以及使得即使不是整个过滤器也有必要拆卸和更换多孔介质。
在本领域中仍然需要的是降低两端流体压降并且与常规多孔介质过滤器相比执行过滤持续较长时间且无堵塞的流体过滤器;此外,如果这类改进的流体过滤器能够以某种方式与流体流量控制阀一体化地包装,这将是非常有利的,如例如筒阀以便降低整体包装要求。就这点而言,常规筒阀通常配置有外阀套以及旋转地布置在外阀套内的内阀筒,其中内阀筒模制有敞开腔或由固态金属形成,该固态金属带有用于基于内阀筒相对于外阀套的旋转位置与外阀套的进口阀端口和出口阀端口选择性地连通的机加工通道。
发明内容
与常规多孔介质过滤器相比,本发明是一种降低过滤器两端的流体压降并且执行过滤持续长时间且无堵塞的流体过滤器;本发明进一步提供一种改进的流体过滤器,该流体过滤器与流体流量控制阀一体化地包装以便降低整体包装要求。
根据本发明的静止区流体过滤器旨在用流动流体、更具体地流动的液体(术语“液体”和“流体”是可互换的)操作,其中储槽经由上游连通端口和下游连通端口与流体流管连通。在上游连通端口处,在流体流管中流动的液体以相对于第一连通端口呈重力较上关系布置在第一连通端口上方,从而促进颗粒的下降进入,并且促使带有存在于其中的任何颗粒的一部分流动液体进入到由储槽提供的流体流的“静止区”中。说到“静止区”,是指在那里的流体大致停滞,在其中从上游连通端口到下游连通端口分布有缓慢流体流,在下游连通端口处储槽的流体退回到流体流管。该静止区促进已进入其中的任何颗粒由于缓慢流体流在其中的停留时间而在液体中重力地沉降到储槽的重力上的最低高度或底部。该停留时间是缓慢流体流的结果,与在流体流管中从上游连通端口流动到下游连通端口的流体的流速相比,缓慢流体流是慢流体流速,在下游连通端口处,缓慢流体流重新与流体流管的液流汇合,现在不带有颗粒。由于与流体流管的截面面积相比储槽的大的截面面积,所以储槽中的缓慢流体流比经过流体流管的流体流的速度慢得多。
流体流管的形状优选地用以提供上游连通端口颗粒进入工具,该工具用于对颗粒施加力以促使颗粒进入到上游连通端口中。另外,流体流管被构造成在下游连通端口处提供文丘里效应,文丘里效应通过压差促使在储槽中的流体在下游连通端口处离开并且与流体流管中流动的流体重新汇合。
在根据本发明的静止区流体过滤器的最优选的应用中,静止区流体过滤器一体化地包装在流体流量控制阀如例如筒阀内。在筒阀示例中,储槽被布置在内阀筒内,并且流体流管相对于储槽在重力较上位置处与内阀筒连接。根据内阀筒相对于外阀套的回转移动,流体流管与筒阀的外阀套的进口端口和出口端口选择性地连通,从而提供用于调节流体流的有效的阀动作。
因此,本发明的一个目的是与常规多孔介质过滤器相比,提供一种降低过滤器两端的流体压降并且执行长时间过滤而无堵塞的流体过滤器;本发明进一步提供一种改进的流体过滤器,该流体过滤器与流体流量控制阀一体化地包装以便降低整体包装要求。
本发明提供以下技术方案:
1. 一种静止区流体过滤器,包括:
流体流管;
储槽,其布置成邻近所述流体流管并且大致在所述流体流管下方;
上游连通端口,其连接所述流体流管与所述储槽;以及
下游连通端口,其连接所述流体流管与所述储槽;
其中当液体流经所述流体流管时,所述下游连通端口布置成相对于所述上游连通端口呈下游关系;
其中流动的液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中作为缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而不带有颗粒。
2. 根据方案1所述的静止区流体过滤器,进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
3. 根据方案2所述的静止区流体过滤器,进一步包括所述流体流管被配置成提供相对于所述上游连通端口在上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入到所述上游连通端口中。
4. 根据方案3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
5. 根据方案3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部对所述颗粒提供离心力从而促使所述颗粒进入到所述上游连通端口中。
6. 根据方案3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括具有预定的上游开口横截面的所述上游连通端口,使得重力促使所述颗粒进入到所述上游连通端口中。
7. 一种具有一体化的流体过滤器的流体阀,包括:
具有外阀套的流体流量控制阀,所述外阀套具有进口端口和出口端口;以及
布置在所述外阀套内的静止区流体过滤器,所述静止区流体过滤器包括:
流体流管;
储槽,其布置成邻近所述流体流管并且大致在所述流体流管下方;
上游连通端口,其连接所述流体流管与所述储槽;以及
下游连通端口,其连接所述流体流管与所述储槽;
其中当液体通过所述流体流管流入所述进口端口并且从所述出口端口流出时,所述下游连通端口布置在相对于所述上游连通端口的下游关系中;
其中流动液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中如同缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而无颗粒。
8. 根据方案7所述的具有一体化的流体过滤器的流体阀,其中所述静止区流体过滤器进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
9. 根据方案8所述的具有一体化的流体过滤器的流体阀,其中所述静止区流体过滤器进一步包括所述流体流管,其被配置成提供相对于所述上游连通端口在上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入所述上游连通端口。
10. 根据方案9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
11. 根据方案9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部提供离心力给所述颗粒从而促使所述颗粒进入到所述上游连通端口中。
12. 根据方案9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括所述上游连通端口,所述上游连通端口具有预定的上游开口横截面使得重力促使所述颗粒进入到所述上游连通端口中。
13. 一种具有一体化的流体过滤器的流体流量控制阀,包括:
筒阀,包括:
     外阀套;
     内阀筒,其布置在所述外阀套内并且关于外阀套可旋转地安装;
     进口端口,其形成在所述外阀套中;以及
     出口端口,其形成在所述外阀套中;以及
布置在所述内阀筒处的静止区流体过滤器,所述静止区流体过滤器包括:
     流体流管,所述流体流管响应于所述内阀筒相对于所述外阀套的回转位置与所述进口端口和所述出口端口连通,
     储槽,其邻近所述流体流管并且大致在所述流体流管下方布置在所述圆筒中;
     上游连通端口,其连接所述流体流管与所述储槽;以及
     下游连通端口,其连接所述流体流管与所述储槽;
其中当液体通过所述流体流管流入所述进口端口并且从所述出口端口流出时,所述下游连通端口布置在相对于所述上游连通端口的下游关系中;
其中流动液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中作为缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而无颗粒。
14. 根据方案13所述的具有一体化的流体过滤器的流体流量控制阀,其中所述静止区流体过滤器进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
15. 根据方案14所述的具有一体化的流体过滤器的流体流量控制阀,其中所述静止区流体过滤器进一步包括所述流体流管,其被配置成提供相对于所述上游连通端口上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入所述上游连通端口。
16. 根据方案15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
17. 根据方案15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部提供离心力给所述颗粒从而促使所述颗粒进入到所述上游连通端口中。
18. 根据方案15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括具有预定的上游开口横截面的所述上游连通端口,使得重力促使所述颗粒进入到所述上游连通端口中。
本发明的这个和附加目的、特征和优势将从优选实施例的下列说明变得明显。
附图说明
图1是根据本发明的以示例性操作模式示出的静止区流体过滤器的示意侧视图。
图2是沿着图1的线2-2看到的静止区流体过滤器的示意顶视图。
图3是根据本发明的配备有静止区流体过滤器的以筒阀的示例性形式的流体流量控制阀的透视图。
图4是沿着图3的线4-4看到的配备有静止区流体过滤器的筒阀的截面图。
图5是沿着图4的线5-5看到的配备有静止区流体过滤器的筒阀的截面图。
图6是沿着图4的线6-6看到的配备有静止区流体过滤器的筒阀的截面图,其中筒阀在其完全开启状态下。
图7是类似于图4的配备有静止区流体过滤器的筒阀的截面图,其中现在描绘了上游连通端口颗粒进入工具。
图8和图9是类似于图6的配备有静止区流体过滤器的筒阀的截面视图,其中现在图7示出处于部分开启(或闭合)状态下的筒阀,并且图8示出处于其关闭状态下的筒阀。
具体实施方式
现在参照附图,图1至图9描绘根据本发明的静止区流体过滤器的各方面。
首先将注意力转向图1和图2,将详细描述根据本发明的静止区流体过滤器100的工作原理。
流体流管102被提供,流体104(即,更具体地,液体)通过该流体流管102流动。储槽106被布置成相邻于流体流管102并且在流体流管102下方,与流体流管102呈重力较下关系。储槽106具有比流体流管102的平均截面面积大得多(如例如大于一个数量级)的平均截面面积。流体104填充流体流管102和储槽106。流体流管102和储槽106经由均上游连通端口112和下游连通端口114彼此流动地相连通,该上游连通端口112和该下游连通端口114相对于储槽以重力上的较上关系布置在上方。
在流体104中可以具有颗粒108,这些颗粒108可包括相对较小的颗粒1081和相对较大的颗粒1082。颗粒108由在液体104中的任何颗粒碎屑组成,不论其是否悬浮。
在上游连通端口112处,在流体流管102中流动的液体104相对第一连通端口以重力较上关系布置在第一连通端口上方,从而促进液体中的较大颗粒1082、以及流动的流体的一部分连同在其中的任何颗粒108的下降进入。由于储槽的相对大体积,进入的流体和颗粒进入到由储槽106提供的静止区120中。说到“静止区”,是指在那里的流体大致停滞,在其中从上游连通端口112 到下游连通端口114分布有缓慢流体流118,在下游连通端口114处储槽的流体离开以便到流体流管。
静止区120促进已进入其中的任何颗粒108由于缓慢流体流118在其中的停留时间而导致在液体中重力地沉降到储槽的重力方向上的最低高度或底部122。该停留时间是缓慢流体流118的结果,与在流体流管中从上游连通端口112流动到下游连通端口114的流体的流速相比,缓慢流体流是慢流体流速,在下游连通端口处,缓慢流体流重新与流体流管的液流汇合,现在没有颗粒。由于与流体流管102的截面面积相比储槽的大的截面面积,所以储槽106中的缓慢流体流118比经过流体流管的流体流的速度慢得多(比较地参见图1和图2)。
如在图1处最佳描绘的,流体流管102的形状优选用以提供上游连通端口颗粒进入工具130,该工具用于促使颗粒108,尤其是较大的颗粒1082,进入到上游连通端口112中。例如,布置在上游连通端口124的上游的流体流管102的重力坡度124对颗粒108,尤其是较大的颗粒1082,提供重力向下的动量1241,为了进入上游连通端口112。对于另一个示例,流体流管102具有布置在上游连通端口112的上游的弯曲部126,该弯曲部126用来提供促使颗粒108进入到上游连通端口中的向下的离心力1261。对于又一个示例,上游连通端口112具有比下游连通端口114的开口截面面积大得多的开口截面面积,因而重力对颗粒提供力132以促使这些颗粒到上游连通端口中。
如在图1处进一步描绘的,在流体流管102中的截面面积减小部128被定位成邻近于下游连通端口114,该截面面积减小部128在下游连通端口处提供文丘里效应1281。因为相对于在流体流管中的邻近其它位置的流体流,在截面面积减小部128处的流体流快速增加,所以在流体流的物理学作用下,文丘里效应1281提供该处的压差,在流体流管中比在储槽中的压力更低。文丘里效应1281的这种压差促使在储槽中的流体在下游连通端口114处离开。
现将注意力转向图3至图9,将详细描述根据本发明的静止区流体过滤器的最优选的应用,其中静止区流体过滤器是在内部被包装(即,一体化)到流体流量控制阀中。
如在图3至图6处所示,流体流量控制阀200,例如筒阀,具有外阀套202。另外,如在图4至图6处另外所示,布置在外阀套202内的是内阀筒204,该内阀筒204经由例如连接到驱动机构208(如例如步进马达)的杆206相对于外阀套202可旋转地移动,该驱动机构208优选地响应于电子控制器210按照其编程以及来自一个或多个传感器212的输入被驱动。储槽220由内阀筒204的内部中空部218限定。流体流管222在相对于储槽的重力较上位置处被连接到内阀筒204,并且取决于内阀筒相对于外阀套202的回转位置,流体流管222与外阀套的进口端口226和出口端口228选择性地相连通。进口端口和出口端口226、228中的每一个在结构上经由例如接头230连接到流体流回路216,如例如机动车辆的冷却剂系统。
在所描绘的示例中,通过流体流管锥形部232,文丘里效应240被形成在流体流管222中,举例来说,在其中心部224处,流体流管锥形部232的特征在于,在从各个端部朝中心的截面面积逐渐减小。截面面积减小部造成在那里增加的流体流率,在流体物理学原理下,该增加的流体流率提供了与在储槽中的流体压力相比的在流体流管中的减小的压力。因此,下游连通端口242被布置在文丘里效应240处,而上游连通端口244被布置成邻近进口端口226。虽然流体流管222的锥形部232是用以提供文丘里效应240的优选结构,但是也可利用也经由减少的截面面积提供文丘里效应的另一流体动力特征,诸如在流体流管内的流路限制器。流体流管222和储槽220都被流体(更具体地,液体)214填充。
储槽220提供缓慢流体流252的静止区250(如以上所限定的),其中通过从流体流管222的主流体流258导引部分流体流256而在上游连通端口244处获得具有低压降的低流体速度。进入静止区250的任何颗粒272在液体214中重力地下降并且到达储槽的底部260,如由内阀筒204的内部中空部218所限定的。
图7描绘图4的替代视图,相似的部分具有相似的数字标号,其中流体流管2221被构造成提供用于促使颗粒272,尤其是较大尺寸的颗粒,进入到上游连通端口2441中的上游连通端口颗粒进入工具270。举例来说,上游连通端口颗粒进入工具270可包括:流体流管的重力坡度262,其布置在上游连通端口的上游从而对颗粒提供重力向下的动量264;流体流管具有布置在上游连通端口的上游的弯曲部266,该弯曲部266用以对颗粒提供向下的离心力268以促使颗粒进入上游连通端口;并且上游连通端口具有比下游连通端口的开口截面面积大得多的开口截面面积,下游连通端口允许重力274将颗粒拉入到上游连通端口中。
静止区流体过滤器1001、1002与流体流量控制阀200、2001(如例如筒阀)的这种结构一体化,能够实现有效的流体清洁(即,颗粒的移除),且不增加额外的追加部件并且无专门的额外部件体积。就这点而言,静止区流体过滤器利用在筒阀内侧的现有空间以便从流体流过滤颗粒(即,残渣,等)而不增加通过系统的压降,正如常规多孔介质过滤器的情况那样。
如果在流体中的颗粒经过流体流回路在第一次经过中被捕获是强制性,则本发明的静止区流体过滤器也可结合常规多孔介质流体过滤器使用。就这点而言,应注意的是,在根据本发明的静止区流体过滤器的操作中,一些颗粒在静止区流体过滤器捕获它们之前将通常要求反复地通过流体流回路。例如,多孔介质过滤器可被布置在静止区流体过滤器的上游,并且被构造成使得相对较大尺寸的颗粒由其孔隙捕获,留下较小尺寸的颗粒被捕获在静止区中。
另外,现将注意力转向图8和图9,将详细描述在流体流量控制阀200内的静止区流体过滤器1001的操作的示例。
在阀筒204处于其完全开启状态下,如图3至图6所描绘的,流体流经流体流管222,在进口端口246处进入并且在出口端口248处离开。在流体流管中流动的一小部分流体流入到上游连通端口中,如在其中存在的一部分颗粒252的情况。然后,这些颗粒通过由储槽建立的静止区中的流体下降到储槽的底部。在储槽中的液体静止地流动并且紧接着经由下游连通端口不带有颗粒地离开返回到流体流管的流体流中,这种离开由在那里的文丘里效应240辅助。
如图8中所示,即使阀筒204已经旋转至部分开启状态,前述过程也会继续。然而,如在图9处所示,当已经实现其完全闭合状态时,没有流体流动,并且筒阀200已经以一种与电子控制器210的编程一致的方式中断了流体的流动。
对于本发明所属领域中的那些技术人员来说,可对以上描述的优选实施例作出改变或修改。这样的改变或修改可在不脱离本发明的范围的情况下执行,本发明的范围旨在仅由所附权利要求的范围限制。

Claims (18)

1.一种静止区流体过滤器,包括:
流体流管;
储槽,其布置成邻近所述流体流管并且大致在所述流体流管下方;
上游连通端口,其连接所述流体流管与所述储槽;以及
下游连通端口,其连接所述流体流管与所述储槽;
其中当液体流经所述流体流管时,所述下游连通端口布置成相对于所述上游连通端口呈下游关系;
其中流动的液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中作为缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而不带有颗粒。
2.根据权利要求1所述的静止区流体过滤器,进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
3.根据权利要求2所述的静止区流体过滤器,进一步包括所述流体流管被配置成提供相对于所述上游连通端口在上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入到所述上游连通端口中。
4.根据权利要求3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
5.根据权利要求3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部对所述颗粒提供离心力从而促使所述颗粒进入到所述上游连通端口中。
6.根据权利要求3所述的静止区流体过滤器,其中所述上游连通端口颗粒进入工具包括具有预定的上游开口横截面的所述上游连通端口,使得重力促使所述颗粒进入到所述上游连通端口中。
7.一种具有一体化的流体过滤器的流体阀,包括:
具有外阀套的流体流量控制阀,所述外阀套具有进口端口和出口端口;以及
布置在所述外阀套内的静止区流体过滤器,所述静止区流体过滤器包括:
流体流管;
储槽,其布置成邻近所述流体流管并且大致在所述流体流管下方;
上游连通端口,其连接所述流体流管与所述储槽;以及
下游连通端口,其连接所述流体流管与所述储槽;
其中当液体通过所述流体流管流入所述进口端口并且从所述出口端口流出时,所述下游连通端口布置在相对于所述上游连通端口的下游关系中;
其中流动液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中作为缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而无颗粒。
8.根据权利要求7所述的具有一体化的流体过滤器的流体阀,其中所述静止区流体过滤器进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
9.根据权利要求8所述的具有一体化的流体过滤器的流体阀,其中所述静止区流体过滤器进一步包括所述流体流管,其被配置成提供相对于所述上游连通端口在上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入所述上游连通端口。
10.根据权利要求9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
11.根据权利要求9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部提供离心力给所述颗粒从而促使所述颗粒进入到所述上游连通端口中。
12.根据权利要求9所述的具有一体化的流体过滤器的流体阀,其中所述上游连通端口颗粒进入工具包括所述上游连通端口,所述上游连通端口具有预定的上游开口横截面使得重力促使所述颗粒进入到所述上游连通端口中。
13.一种具有一体化的流体过滤器的流体流量控制阀,包括:
筒阀,包括:
     外阀套;
     内阀筒,其布置在所述外阀套内并且关于外阀套可旋转地安装;
     进口端口,其形成在所述外阀套中;以及
     出口端口,其形成在所述外阀套中;以及
布置在所述内阀筒处的静止区流体过滤器,所述静止区流体过滤器包括:
     流体流管,所述流体流管响应于所述内阀筒相对于所述外阀套的回转位置与所述进口端口和所述出口端口连通,
     储槽,其邻近所述流体流管并且大致在所述流体流管下方布置在所述内阀筒中;
     上游连通端口,其连接所述流体流管与所述储槽;以及
     下游连通端口,其连接所述流体流管与所述储槽;
其中当液体通过所述流体流管流入所述进口端口并且从所述出口端口流出时,所述下游连通端口布置在相对于所述上游连通端口的下游关系中;
其中流动液体的一部分经过所述上游连通端口到所述储槽中;以及
其中经过所述上游连通端口的所述液体在所述储槽中作为缓慢流体流从所述上游连通端口向所述下游连通端口移动,使得在液体中的任何颗粒在所述储槽中下降,于是所述液体经由所述下游连通端口进入所述流体流管而无颗粒。
14.根据权利要求13所述的具有一体化的流体过滤器的流体流量控制阀,其中所述静止区流体过滤器进一步包括布置在所述流体流管中的所述下游连通端口处的文丘里效应。
15.根据权利要求14所述的具有一体化的流体过滤器的流体流量控制阀,其中所述静止区流体过滤器进一步包括所述流体流管,其被配置成提供相对于所述上游连通端口上游的上游连通端口颗粒进入工具,其中所述上游连通端口颗粒进入工具促使在所述流体流管中的颗粒进入所述上游连通端口。
16.根据权利要求15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中关于所述上游连通端口向下倾斜的重力坡度。
17.根据权利要求15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括在所述流体流管中的弯曲部,所述弯曲部提供离心力给所述颗粒从而促使所述颗粒进入到所述上游连通端口中。
18.根据权利要求15所述的具有一体化的流体过滤器的流体流量控制阀,其中所述上游连通端口颗粒进入工具包括具有预定的上游开口横截面的所述上游连通端口,使得重力促使所述颗粒进入到所述上游连通端口中。
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