公开(公告)号：US07246787B2

公开(公告)日：2007-07-24

申请号：US11014345

申请日：2004-12-16

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: F16K31/02

CPC classification number: F16K31/0655 ,  F16K31/0675

Abstract: A valve assembly comprised of a solenoid coil, having a coil bore, and being operative to produce a magnetic field when subject to an electric signal, a fixed magnetic pole piece within the coil bore, a generally cylindrically and axially translatable armature with a disc-shaped portion and an aperture therethrough, a valve base with a fixed portion over which the armature fits and forming a fluid cavity therebetween. The armature aperture allows a fluid to pass through the disc-shaped portion and into the fluid cavity to substantially equilibrate the fluid pressure on the armature in an axial direction. The valve assembly further includes a solenoid base which forms a chamber around the armature and a biasing mechanism between the magnetic pole piece and the armature which axially translates when the magnetic pole piece is subject to the electric signal, allowing the fluid to pass through the valve assembly in proportion to the electric current.

Abstract translation: 一种阀组件，其包括具有线圈孔的螺线管线圈，并且可操作以在受到电信号时产生磁场，线圈孔内的固定磁极片，大致圆柱形且可轴向平移的电枢， 一个具有固定部分的阀座，衔铁在该固定部分上配合并在其间形成流体腔。 电枢孔允许流体通过盘形部分并进入流体腔，以使轴向上的衔铁上的流体压力基本平衡。 阀组件还包括形成围绕电枢的腔室的螺线管基座和在磁极片和电枢之间的偏压机构，当磁极片经受电信号时轴向平移，允许流体通过阀 与电流成比例的组装。

公开(公告)号：US07028978B2

公开(公告)日：2006-04-18

申请号：US10083450

申请日：2002-02-25

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: F16K31/02

CPC classification number: F16K31/0693 ,  F16K31/0655

Abstract: A proportional solenoid-driven valve control assembly comprised of a moveable, magnetic armature adjacent to a fixed magnetic pole piece, providing fluid leakage containment, and having no non-magnetic element for alignment, support, or magnetic flux path control. A valve unit coupled with the armature contains a fluid cavity in fluid communication with a fluid inlet port and a fluid exit port. The valve is closed by a poppet coupled to the armature. To compensate for fluid pressures exerted against the poppet, a flow restriction is provided between an armature cavity and the fluid cavity. In addition, a bore is formed through the armature to provide fluid communication between the fluid exit port and the armature cavity. This serves to balance fluid pressures at the fluid inlet and exit ports applied to the opposite sides of the fluid flow restriction.

Abstract translation: 比例电磁阀控制组件，包括与固定磁极片相邻的可移动的磁性衔铁，提供流体泄漏容限，并且不具有用于对准，支撑或磁通路径控制的非磁性元件。 与电枢耦合的阀单元包含与流体入口和流体出口端口流体连通的流体腔。 阀门通过联接到电枢的提升阀闭合。 为了补偿施加在提升阀上的流体压力，在衔铁腔和流体腔之间提供流动限制。 此外，通过电枢形成孔，以在流体出口和衔铁腔之间提供流体连通。 这用于平衡施加到流体流动限制器的相对侧的流体入口和出口处的流体压力。

公开(公告)号：US06604726B2

公开(公告)日：2003-08-12

申请号：US09905397

申请日：2001-07-13

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: F16K3106

CPC classification number: F16K31/0655 ,  G05D16/2013 ,  H01F7/081 ,  H01F7/1638 ,  H01F2007/1692

Abstract: A proportional solenoid-driven valve control assembly contains a moveable, magnetic armature positioned adjacent to one end of a fixed magnetic pole piece. The magnetic pole piece has a longitudinal axial pole piece portion, and a relatively thin, annular axial pole piece portion, that rapidly saturates, and is effectively mechanically solid with the longitudinal pole piece portion for fluid leakage containment. A radial portion is solid with the annular axial portion and provides support and alignment for the armature relative to the magnetic pole piece, without the need for non-magnetic material for alignment, support or magnetic flux flow path control.

公开(公告)号：US5407174A

公开(公告)日：1995-04-18

申请号：US190863

申请日：1994-02-01

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: H01F7/13 ,  H01F7/16 ,  F16K31/06

CPC classification number: H01F7/13 ,  H01F7/1607

Abstract: A rectilinear motion proportional solenoid assembly includes a cylindrical housing containing an electromagnetic coil having a longitudinal coaxial bore. The housing contains magnetic material for providing a flux path for the magnetic field produced by the coil. A generally cylindrical magnetic pole piece element is inserted into the bore and a movable armature assembly of magnetic material is supported within the bore for movement along the longitudinal axis of the coil by a pair of thin, flexible suspension springs. One of the springs is located within the bore adjacent to one end of the magnetic pole piece whereat an axial gap between the pole piece and the armature is formed. A second spring is located within the housing within the vicinity of a radial air gap between the armature and the housing. The pole piece contains an auxiliary region adjacent to the axial air gap for shunting a portion of the axially directed magnetic flux, for effectively causing the force imparted to the movable armature by the application of a current to the electromagnetic coil to be substantially constant irrespective of the magnitude of the axial gap for a variation in the axial gap over a prescribed range.

Abstract translation: 直线运动比例螺线管组件包括圆柱形壳体，其包含具有纵向同轴孔的电磁线圈。 壳体包含用于为由线圈产生的磁场提供磁通路径的磁性材料。 大致圆柱形的磁极片元件被插入到孔中，并且磁性材料的可移动电枢组件被支撑在孔内以通过一对薄的柔性悬架弹簧沿着线圈的纵向轴线移动。 弹簧中的一个位于与磁极片的一端相邻的孔内，其中形成极片和电枢之间的轴向间隙。 第二弹簧位于壳体内的电枢和壳体之间的径向气隙附近。 极片包含与轴向气隙相邻的辅助区域，用于分流轴向定向磁通的一部分，用于通过向电磁线圈施加电流来有效地引起施加到可移动衔铁的力，而不管 用于在规定范围内的轴向间隙的变化的轴向间隙的大小。

公开(公告)号：US11441694B2

公开(公告)日：2022-09-13

申请号：US15883084

申请日：2018-01-29

Applicant: Viraraghavan S. Kumar ,  Sudhir S. Kulkami ,  Shailesh Pradhananga

Inventor： Viraraghavan S. Kumar ,  Sudhir S. Kulkami ,  Shailesh Pradhananga

IPC: F16K31/08 ,  F16K1/32 ,  F16K31/06

Abstract: A proportional solenoid-controlled fluid valve assembly having a fluid pressure balancing arrangement includes a poppet and diaphragm. The valve assembly also includes a solenoid coil assembly having a cylindrical conduit and a magnetic orifice piece positioned within the conduit. A plunger is positioned within the conduit and is movable within the conduit between a de-actuated position and an actuated position. A valve poppet is provided having a top cylindrical upstanding portion and a poppet face configured to abut the valve seat. Further, a diaphragm is positioned within the valve base with the top cylindrical upstanding portion of the poppet extending through a diaphragm opening. A magnetic frame is also included for securing the valve assembly in an assembled configuration, wherein a magnetic path is formed by magnetic orifice piece, plunger and the magnetic frame and the solenoid coil is configured to be actuated such that the plunger moves towards the magnetic orifice piece, thus lifting the poppet and allowing pressurized media to pass from the inlet port to the outlet port.

公开(公告)号：US20190032809A1

公开(公告)日：2019-01-31

申请号：US15883084

申请日：2018-01-29

Applicant: Viraraghavan S. Kumar ,  Sudhir S. Kulkami ,  Shailesh Pradhananga

Inventor： Viraraghavan S. Kumar ,  Sudhir S. Kulkami ,  Shailesh Pradhananga

IPC: F16K31/08 ,  F16K1/32

Abstract: A proportional solenoid-controlled fluid valve assembly having a fluid pressure balancing arrangement includes a poppet and diaphragm. The valve assembly also includes a solenoid coil assembly having a cylindrical conduit and a magnetic orifice piece positioned within the conduit. A plunger is positioned within the conduit and is movable within the conduit between a de-actuated position and an actuated position. A valve poppet is provided having a top cylindrical upstanding portion and a poppet face configured to abut the valve seat. Further, a diaphragm is positioned within the valve base with the top cylindrical upstanding portion of the poppet extending through a diaphragm opening. A magnetic frame is also included for securing the valve assembly in an assembled configuration, wherein a magnetic path is formed by magnetic orifice piece, plunger and the magnetic frame and the solenoid coil is configured to be actuated such that the plunger moves towards the magnetic orifice piece, thus lifting the poppet and allowing pressurized media to pass from the inlet port to the outlet port.

公开(公告)号：US5419530A

公开(公告)日：1995-05-30

申请号：US197165

申请日：1994-02-16

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: F16K31/50 ,  F16K1/02 ,  F16K1/50 ,  F16K1/52

CPC classification number: F16K31/506

Abstract: A micro-valve assembly for providing precise regulation of fluid flow between an input port and an output port comprises a valve body configured to installed with the valve assembly and forming therewith a fluid flow chamber between the fluid flow rate control port and the output port, the valve body having an internally threaded cylindrical portion. A rotatable valve adjustment member has an externally threaded cylindrical portion sized to engage the internally threaded cylindrical portion of the valve body. The externally threaded cylindrical portion of the rotatable valve adjustment member has an internally threaded axial bore. The internally threaded bore of the rotatable valve adjustment member has a longitudinal axis and a pitch finer than that of the externally threaded cylindrical portion thereof. A valve stem has an externally threaded shaft portion, sized to engage and being threaded into the internally threaded axial bore of the cylindrical portion of the rotatable valve adjustment member, and a poppet member disposed at one end of the externally threaded shaft. The poppet member is sized to close the fluid flow rate control port of the valve assembly when brought into engagement with the seat. The valve stem is axially translatable within the internally threaded axial bore of the cylindrical portion of the rotatable valve adjustment member by the rotation of the rotatable valve adjustment member about the longitudinal axis, thereby controlling the position of the poppet member relative to the seat of the fluid rate control port.

Abstract translation: 用于提供在输入端口和输出端口之间的流体流动的精确调节的微型阀组件包括构造成安装有阀组件并在其上形成流体流动速率控制端口和输出端口之间的流体流动室的阀体， 阀体具有内螺纹圆柱形部分。 可旋转阀调节构件具有外螺纹圆柱形部分，其尺寸适于接合阀体的内螺纹圆柱形部分。 可旋转阀调节构件的外螺纹圆柱形部分具有内螺纹轴向孔。 可旋转阀调节构件的内螺纹孔具有比其外螺纹圆柱形部分更细的纵向轴线和间距。 阀杆具有外螺纹的轴部分，其大小适于接合并拧入可旋转阀调节构件的圆筒部分的内螺纹轴向孔中，以及设置在外螺纹轴的一端的提升构件。 提升阀构件的尺寸被设计成当与阀座接合时关闭阀组件的流体流量控制端口。 通过旋转阀调节构件围绕纵向轴线的旋转，阀杆可在可旋转阀调节构件的圆柱形部分的内螺纹轴向孔内轴向平移，由此控制提升阀构件相对于座椅的位置 流量控制口。

公开(公告)号：US4954799A

公开(公告)日：1990-09-04

申请号：US360429

申请日：1989-06-02

Applicant: Viraraghavan S. Kumar

Inventor： Viraraghavan S. Kumar

IPC: H01F7/13

CPC classification number: H01F7/13

Abstract: A rectilinear motion proportional solenoid assembly includes a cylindrical housing containing an electromagnetic coil having a longitudinal coaxial bore. The housing contains maagnetic material for providing a flux path for the magnetic field produced by the coil. A generally cylindrical magnetic pole piece element is inserted into the bore and a movable armature assembly of magnetic material is supported within the bore for movement along the longitudinal axis of the coil by a pair of thin, flexible suspension springs. One of the springs is located within the bore adjacent to one end of the magnetic pole piece whereat an axial gap between the pole piece and the armature is formed. A second spring is located within the housing within the vicinity of a radial air gap between the armature and the housing. The pole piece contains an auxiliary region adjacent to the axial air gap for shunting a portion of the axially directed magnetic flux, for effectively causing the force imparted to the movable armature by the application of a current to the electromagnetic coil to be substantially constant irrespective of the magnitude of the axial gap for a variation in the axial gap over a prescribed range.

Abstract translation: 直线运动比例螺线管组件包括圆柱形壳体，其包含具有纵向同轴孔的电磁线圈。 壳体包含用于为由线圈产生的磁场提供磁通路径的磁材料。 大致圆柱形的磁极片元件被插入到孔中，并且磁性材料的可移动电枢组件被支撑在孔内以通过一对薄的柔性悬架弹簧沿着线圈的纵向轴线移动。 弹簧中的一个位于与磁极片的一端相邻的孔内，其中形成极片和电枢之间的轴向间隙。 第二弹簧位于壳体内的电枢和壳体之间的径向气隙附近。 极片包含与轴向气隙相邻的辅助区域，用于分流轴向定向磁通的一部分，用于通过向电磁线圈施加电流来有效地引起施加到可移动衔铁的力，而不管 用于在规定范围内的轴向间隙的变化的轴向间隙的大小。

公开(公告)号：US4932630A

公开(公告)日：1990-06-12

申请号：US342305

申请日：1989-04-24

Applicant: Viraraghavan S. Kumar ,  Philip S. Wise

Inventor： Viraraghavan S. Kumar ,  Philip S. Wise

IPC: B66C1/02 ,  G05D16/20

CPC classification number: B66C1/0268 ,  G05D16/2013

Abstract: A vacuum control device is configured as an integrated assembly having a fluid inlet port, a fluid outlet port and a controlled vacuum output port, and houses both a venturi and solenoid-operated fluid-flow control valve unit. The valve unit has a fluid-flow chamber, in which a translatable spool valve element serves to control fluid communication between the fluid inlet port and the fluid inlet of the venturi. The output of the venturi is coupled by way of a fluid passageway to the outlet port, while a vacuum port of the venturi is coupled to a controlled vacuum output port. The valve unit contains a solenoid device, which is coupled with the translatable spool valve element, for controlling the displacement of the valve element and thereby fluid communication between the fluid inlet and the fluid outlet ports through the venturi. The solenoid-operated fluid-flow control valve unit preferably employs, as its movable armature, a steel bearing ball. The steel ball is supported for magnetic attraction by the solenoid coil against a stream of fluid (air) flowing through an interior bore in a translatable pole piece to which the operated valve element is attached.

Abstract translation: 真空控制装置被构造为具有流体入口，流体出口和受控的真空输出端口的集成组件，并且容纳文丘里管和电磁操作的流体流量控制阀单元。 阀单元具有流体流动室，其中可平移的滑阀元件用于控制流体入口和文丘里管的流体入口之间的流体连通。 文丘里管的输出通过流体通道连接到出口，而文丘里管的真空端口连接到受控的真空输出端口。 阀单元包含螺线管装置，其与可平移滑阀元件联接，用于控制阀元件的位移，从而通过文氏管将流体入口与流体出口之间的流体连通。 电磁操作流体流量控制阀单元优选使用钢支承球作为其可移动衔铁。 钢球支撑用于通过电磁线圈抵抗流过可操作的极性元件的内孔的流体流（空气）的磁吸引，所述可移动的极靴与所操作的阀元件相连。

公开(公告)号：US20160298784A1

公开(公告)日：2016-10-13

申请号：US14683809

申请日：2015-04-10

Applicant: Viraraghavan S. Kumar ,  Alvaro Andres Reyes ,  Sudhir S. Kulkarni ,  Shailesh Pradhananga

Inventor： Viraraghavan S. Kumar ,  Alvaro Andres Reyes ,  Sudhir S. Kulkarni ,  Shailesh Pradhananga

IPC: F16K31/06 ,  F16K11/02

CPC classification number: F16K31/0603 ,  F16K11/044 ,  F16K31/0606 ,  F16K31/0627 ,  Y10T137/86574 ,  Y10T137/86614 ,  Y10T137/8671

Abstract: A valve assembly includes a valve base having a tubular section with a longitudinal bore formed therein, a fluid inlet port and a common port with an internal passageway therebetween. A solenoid coil is adapted to generate a magnetic flux and includes a longitudinal axis and a bore coaxial therewith. The valve assembly further includes an orifice piece positioned within the longitudinal bore of the valve base. The orifice piece includes a central passageway with a first end and a second end. A plunger is movable within the longitudinal bore between a first de-actuated position and a second actuated position.

Abstract translation: 阀组件包括具有形成在其中的纵向孔的管状部分的阀座，流体入口和在其间具有内部通路的公共端口。 螺线管线圈适于产生磁通并且包括纵向轴线和与其同轴的孔。 阀组件还包括定位在阀座的纵向孔内的孔片。 孔片包括具有第一端和第二端的中心通道。 柱塞可以在纵向孔内在第一非致动位置和第二致动位置之间移动。