Motor-operated Patents (Class 137/625.65)
  • Patent number: 10975984
    Abstract: An object of the present invention is to provide an electrically operated valve capable of more accurately detecting the position of a valve body. In order to achieve the above object, the electrically operated valve of the present invention comprises a valve body, a driver configured to move the valve body along a first axis, a rotation shaft configured to rotate the driver around the first axis, a permanent magnet member, an angle sensor, and a yoke configured to cover a portion of the permanent magnet or a portion of the angle sensor. The permanent magnet member is disposed on the rotation shaft and configured to rotate with the rotation shaft. The angle sensor is configured to detect a rotation angle of a permanent magnet included in the permanent magnet member. The angle sensor is disposed above the permanent magnet.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: April 13, 2021
    Inventors: Satoshi Uehara, Yusuke Arai, Takeshi Hosoya
  • Patent number: 10964467
    Abstract: A constant-current controller that supplies a constant-current to a solenoid driver for use with an electromechanical device. The controller comprises a PCB containing a constant-current control circuit. The circuit comprises a GaNFET primary switch and a secondary switch. The PCB is integrated with and made a part of the solenoid driver. A standard electromechanical device may be converted to a constant-current controlled electromechanical device by exchanging the solenoid driver.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: March 30, 2021
    Assignee: Hanchett Entry Systems, Inc.
    Inventors: Randall Shaffer, Brett L. Davis
  • Patent number: 10935151
    Abstract: A solenoid actuator with firing pin position detection is provided. The solenoid actuator includes a solenoid assembly having movable armature. The solenoid assembly is mounted to a firing pin housing which houses a firing pin. The firing pin is arranged such that the movable armature acts upon the firing pin to transition it from an unfired position to a fired position. The solenoid actuator also includes a firing pin position switch is mounted within a bore that is transverse to a bore of the firing pin housing containing the firing pin. The firing pin includes cam surface that acts upon the firing pin position switch to ultimately provide an indication of whether the firing pin is in the fired or the unfired position.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: March 2, 2021
    Assignee: TLX Technologies, LLC.
    Inventors: Patrick Thomas Schwobe, Brett G. Berger
  • Patent number: 10913088
    Abstract: A liquid-coating apparatus includes: (a) a nozzle hole from which a liquid material is to be discharged; (b) a supply flow channel configured to supply the liquid material to the nozzle hole; (c) a plunger configured to reciprocate in contact with the liquid material inside the supply flow channel; (d) a displacement-expansion mechanism configured to displace the plunger; and (e) an actuator configured to displace the displacement-expansion mechanism, wherein at least one of a contact part of the displacement-expansion mechanism and a contact part of the actuator has a curved surface.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: February 9, 2021
    Inventors: Kazuki Fukada, Tohru Nakagawa, Hidehiro Yoshida
  • Patent number: 10895327
    Abstract: A liquid control valve assembly includes a main casing, three valve bodies and two plungers. The main casing has an external wall formed with an inlet and three outlets, defines a split-flow path, three valve chambers and a balanced channel therein such that the split-flow path is in communication with said inlet and said valve chambers while said balanced channel is in communication with said valve chambers and said three outlets. The valve bodies are disposed in the valve chambers respectively while the plungers are disposed in the balanced channel to move independently so that the liquid can be discharged stably from the outlets.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: January 19, 2021
    Inventor: Eric Tsou
  • Patent number: 10883395
    Abstract: A camshaft phaser includes a stator having a plurality of lobes; a rotor coaxially disposed within the stator, the rotor having a plurality of vanes interspersed with the plurality of lobes defining a plurality of advance chambers and a plurality of retard chambers such that the plurality of advance chambers and the plurality of retard chambers are arranged in an alternating pattern and such that the rotor rotates within the stator from a full advance position to a full retard position; and a supply passage in continuous fluid communication with one of the plurality of advance chambers, the supply passage being in continuous fluid communication with an oil source.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: January 5, 2021
    Inventor: Thomas Howard Lichti
  • Patent number: 10865755
    Abstract: A solenoid-actuated valve includes a solenoid portion extending along a longitudinal axis. The solenoid portion includes a solenoid housing defining a solenoid interior, a coil, and an armature, with the armature being moveable along the longitudinal axis in response to energization of the coil. The solenoid-actuated valve also includes a valve portion coupled to the solenoid portion. The valve portion includes a valve member moveable by the armature. The solenoid-actuated valve further includes a valve filter disposed in the solenoid interior and/or coupled to the solenoid housing and configured to separate the solenoid interior from a hydraulic circuit when the valve portion is coupled to a valve housing for allowing fluid to flow into and out of the solenoid interior upon actuation of the armature.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: December 15, 2020
    Assignee: BorgWarner Inc.
    Inventors: Jean-Louis LaCorre, Thierry Mollard, Jeffrey J. Waterstredt
  • Patent number: 10851908
    Abstract: A fluid routing device (20) directs the transportation of a fluid. The fluid routing device includes a housing (22) having an opening (40) with a seat (38), and a valve (42) opening and closing the opening. The valve includes a first permanent magnet (56) having a first magnetic coercivity and a first polarity and a second permanent magnet (58) having a second magnetic coercivity lower than the first magnetic coercivity of the first permanent magnet such that the second permanent magnet has a second polarity capable of switching between a complimentary configuration oriented in a common direction as the first polarity, and a reversed configuration oriented in an opposite direction from the first polarity. A coil (59) surrounds at least the second permanent magnet. The coil is configured to orient the second polarity in the complimentary configuration when electric current passes in a first direction and in the reversed configuration when electric current passes in a second direction.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: December 1, 2020
    Assignee: Kongsberg Automotive, Inc.
    Inventor: Douglas J. Wheeler
  • Patent number: 10820536
    Abstract: A low power, autonomously programmable plant watering device for custom irrigation regimes of individual plants. The device has an integrated sensor that quantifies soil moisture. The device initiates watering by opening a magnetically sealed valve in response to a soil moisture measurement that falls below a preset threshold. The device can terminate watering by closing the magnetically sealed valve in response to a soil moisture measurement that meets or exceeds a preset threshold and/or at the expiration of a preset time interval. The device utilizes control system comprised of a microcontroller and an embedded application or applications to initiate moisture sensor readings and the opening and closing of the magnetically sealed valve.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: November 3, 2020
    Inventor: Camilo Mora
  • Patent number: 10767781
    Abstract: A spool valve, in particular for an automatic transmission of a motor vehicle, having a valve housing, which houses a guide element, in which an axially movable valve spool is arranged, and the valve housing having at least one radial pressure connection and a radial tank connection being axially distanced therefrom, and a frontal working connection. The guide element has at least one pressure connection opening connected to the pressure connection and one tank connection opening, axially distanced therefrom and connected to the tank connection and one working connection opening, which is axially positioned between the pressure connection opening and the tank connection opening and is connected to the working connection. In the valve housing a partially axially extending connection duct is present, which connects the working connection opening to the working connection.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: September 8, 2020
    Assignee: SVM Schultz Verwaltungs-GmbH & Co. KG
    Inventors: Helmut Mang, Florian Schreiber
  • Patent number: 10724509
    Abstract: An electric control valve for a coolant compressor comprises a valve housing, an electric actuating drive, a valve body displaceable by the electric actuating drive between a first position and a second position inside the valve housing, a position sensor determining a position of the valve body, a suction-pressure sensor, and a control system. The control system is adapted to control a coolant flow from a high-pressure region into a crankcase-chamber-pressure region of the coolant compressor by controlling the position of the valve body via the electric actuating drive based on the suction pressure received from the suction-pressure sensor. The control system moves the valve body to the first position to connect the high-pressure region and the crankcase-chamber-pressure region if the suction pressure is below a predetermined threshold.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: July 28, 2020
    Inventor: Daniel Domke
  • Patent number: 10711910
    Abstract: A solenoid valve (100) comprising a solenoid assembly (104) and a dual valve assembly (102) for fluid flow control and pressure relief. The dual valve assembly (102) comprising a valve body (300), upper stopper ring (113) and a lower stopper ring (307). A flow arrangement (200) comprising, a primary moving assembly (240) and a secondary moving assembly (213) is disposed inside the valve body (300). The primary moving assembly (240) having a primary mover (230) and an O-ring holder (208). The secondary moving assembly (213) comprising a sliding member (215), a supporting ring (214), a pressure-relief spring (211) and a pressure-adjusting mechanism (205). The flow arrangement (200) moves up when a solenoid coil (103) is energized resulting in normal fluid flow, the secondary moving assembly (213) moves down under excessive fluid pressure with the solenoid coil (103) de-energized. A reverse fluid flow is facilitated under excessive fluid pressure.
    Type: Grant
    Filed: October 2, 2018
    Date of Patent: July 14, 2020
    Assignee: ROTEX Automation Limited
    Inventor: Nirav R. Shah
  • Patent number: 10584803
    Abstract: A solenoid valve includes: a cylindrical spool that has an annular groove in an outer surface and moves along an axial direction under a driving force generated by a current being applied to a solenoid part; a cylindrical sleeve that has a through-hole capable of communicating with the annular groove and houses the spool; and an urging member that urges the spool by an urging force acting in a direction opposite from a direction in which the driving force is generated. When no current is applied to the solenoid part, a part of the through-hole communicates with the annular groove. When a current is applied to the solenoid part, an area of communication between the through-hole and the annular groove increases as the spool moves under the driving force acting against the urging force.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: March 10, 2020
    Inventors: Daisuke Toyama, Shinya Amano, Yoshikuni Sue, Hisashi Ono, Shingo Okazawa, Michitaka Yamamoto, Daisuke Okanishi, Noboru Takagi, Takayuki Hosogi
  • Patent number: 10533677
    Abstract: In a linear solenoid valve, a coil wound on a bobbin is disposed radially outside a first core and a second core of that configure a part of a core segment, and a cover portion is formed by filling the outer periphery of the coil with a resin material so that the coil and the core segment are integrally molded together. The first core includes a small diameter portion having an outside diameter r2 smaller than an outside diameter r1 of an outer tubular portion that is part of the second core and that is opposed to the coil, and a large diameter portion that has an outside diameter r3 larger than that of the small diameter portion. A space between the small diameter portion and the bobbin makes it less likely that the first core is pressed radially inward via the bobbin during formation of the cover portion.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: January 14, 2020
    Assignee: AISIN AW CO., LTD.
    Inventors: Hironori Sugiura, Takahiro Kokubu
  • Patent number: 10526931
    Abstract: An electro hydraulic valve for a cam phaser, including an electromagnetic actuator assembly, and a hydraulic assembly, wherein the electromagnetic actuator assembly and the hydraulic assembly are arranged axially aligned along a longitudinal axis, wherein the hydraulic assembly includes a valve housing in which a valve piston is arranged axially movable along the longitudinal axis, wherein a plunger for positioning the valve piston along the longitudinal axis is arranged within the electromagnetic actuator assembly, and wherein the electromagnetic actuator assembly and the hydraulic assembly are connected with one another indirectly or directly, wherein the electromagnetic actuator assembly includes an actuator housing and a friction or form locking connection of the electromagnetic actuator assembly with the hydraulic assembly is provided by an ultrasonic weld between the actuator housing and the valve housing.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: January 7, 2020
    Assignee: ECO Holding 1 GmbH
    Inventors: Juergen Goll, Sebastian Nickel, Andre Selke
  • Patent number: 10480651
    Abstract: A transmission includes a hydraulically actuated park valve with two spools in a common housing. One of the spools engages and disengages the park mechanism in response to manipulation of line pressure and engagement of specified shift elements. A pin selectively engages this spool to hold it in position. The valve is designed such that friction holds the spool in position in the absence of hydraulic pressure or electric power. The second spool controls an out-of-park circuit such that the park mechanism remains disengaged when desired. The two spools are separated by a compression spring.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: November 19, 2019
    Assignee: Ford Global Technologies, LLC
    Inventors: Derek Kinch, Timothy Andrew Sikowski
  • Patent number: 10465816
    Abstract: The present invention controls the pressure and flow rate of fluid, in order to obtain uniform performance, configure a closed loop magnetic circuit so as to include an electromagnet, a flapper, and a yoke material, and elastically deform the flapper itself by Maxwell attractive force generated between a magnetic pole of the electromagnet and the flapper to make the separation distance between the nozzle and the flapper variable. As opposed to a rigid flapper structure that swingably moves around a supporting point, like a conventional servo valve, the electromagnet, the magnetic pole, the nozzle, the flapper, and the like are arranged such that a change in magnetic gap directly leads to a change in air gap.
    Type: Grant
    Filed: February 9, 2016
    Date of Patent: November 5, 2019
    Inventors: Teruo Maruyama, Kozo Okamoto, Takumi Okada, Satoki Yamaguchi, Masataka Nakashima
  • Patent number: 10431362
    Abstract: A gas valve actuator for a gas valve. The gas valve actuator includes a non-conductive support bobbin and an insulated copper wire wound about the support bobbin to form a coil. A magnetic flux concentration member extends through the non-conductive support bobbin. To actuate the gas valve actuator, a current is passed through the coil, which produces a magnetic field that actuates an armature to move a valve seal away from a valve seat of the gas valve. Because the gas valve actuator may be exposed to a gas stream, the coil may be coated with an anti-corrosion coating through a spray or brush process, a potting process, through a dipping process, or in any other suitable manner.
    Type: Grant
    Filed: May 15, 2018
    Date of Patent: October 1, 2019
    Assignee: Ademco Inc.
    Inventors: Frederick Hazzard, Gregory Young, Adam Myre
  • Patent number: 10344881
    Abstract: Devices and a method are described herein for fixing a valve to a base via a single point on the base. The valve may be fixed to the base using a plate inserted through a slot in the base and along a face of the valve body. The plate may include a head at one end to retain the plate in the slot. A valve may also be fixed to a base using a combination of a brace and a screw that threads into the base. The brace may include a lip that fits into a grove on the shaft of the screw. The valve body may include a lip to retain the combined screw and brace when the screw is not threaded into the base.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: July 9, 2019
    Assignee: Fluid Automation Systems S.A.
    Inventors: Raphael Alvarez, Christophe Bertrand, Vincent Tanari, Pierre Sirdey
  • Patent number: 10138821
    Abstract: A method of making a throttle body assembly, includes casting a main body portion having a passage there through and mounting features for pivotally mounting a throttle valve within the passage. An annular spigot is formed by 3-dimensional printing and is welded to the main body portion in order to provide a quicker less expensive method of prototyping.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: November 27, 2018
    Inventor: Luca Buttafuoco
  • Patent number: 10139009
    Abstract: An electromagnetic valve includes: a housing, a ball valve, a ball guide to hold the ball valve, a shaft that displaces the ball valve; an electromagnetic solenoid part that drives the shaft; a seat component; and a seal member. The seat component has a cylindrical portion disposed inside of the housing, and has a predetermined depth in an axial direction. An inflow valve port passes through a first end of the cylindrical portion in the axial direction. The seal member is coupled with an outer circumference part of the housing at a position corresponding to the cylindrical portion.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 27, 2018
    Assignee: Hamanakodenso Co., Ltd.
    Inventor: Kengo Suzuki
  • Patent number: 10139006
    Abstract: A solenoid valve device may include a solenoid unit including a rod pin movable; a cylindrical core arranged around the rod pin; a bobbin covering a side surface of the cylindrical core; a coil wound around the bobbin; and a case having a bottom and being cylindrical, having an opening portion at one axial end, and arranged to accommodate the rod pin, the cylindrical core, the bobbin, and the coil; and a nozzle unit. The nozzle unit may include a nozzle having a pin receiving portion and a port opening portion; a first port and a second port; a valve body arranged in the nozzle; and a first metal member fixed to an end portion of the nozzle. The solenoid unit may include a positioning contact portion; and the case may include a fixing portion to fix the first metal member between the positioning contact portion and the fixing portion.
    Type: Grant
    Filed: October 17, 2016
    Date of Patent: November 27, 2018
    Inventor: Keiichiro Muraoka
  • Patent number: 10107411
    Abstract: A hydraulic valve including a valve bushing; a valve piston that is axially moveable in the valve bushing along a longitudinal axis of the valve bushing; a supply connection configured to feed a hydraulic fluid; at least one operating connection; and at least one tank drain configured to drain the hydraulic fluid, wherein the valve piston is movable by an electromagnetic actuator of the hydraulic valve and the valve bushing forms a hydraulic portion and the actuator forms a magnetic portion of the hydraulic valve, characterized in that a seal element is arranged in the valve bushing which seal element provides a spatial separation of the magnet portion and the hydraulic portion, and wherein the seal element is penetrated by an end of the valve piston configured as a piston plunger.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: October 23, 2018
    Assignee: Hilite Germany GmbH
    Inventors: Drazen Boban, Thomas Jacob, Andreas Knecht, Oliver Senst, Daniel Viertler
  • Patent number: 10093893
    Abstract: The invention relates to a liquid supply interface (62, 62?, 62?, 62??) for a cell culture system for supplying cell cultures found in different cell culture containers (10, 10?, 10?) with a nutrient medium, wherein the liquid supply interface (62, 62?, 62?, 62??) comprises: a housing (68) defining a flow area (72); a first connection formation (76) for the liquid-transferring connection of a first fluid line (84) to the housing (68); a second connection formation (78) formed separately from the first for the liquid-transferring connection of a second fluid line (88) to the housing (68); a third connection formation (80) formed separately from the first two for the liquid-transferring connection of the housing (68) to a third fluid line; a coupling formation (64, 66) formed separately from the connection formations (76, 78, 80), which is formed for the producible and detachable liquid-transferring coupling contact according to the operation, with a corresponding counter-coupling formation (38, 40) of a cell c
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: October 9, 2018
    Assignee: Hamilton Bonaduz AG
    Inventors: Thomas Jäger, Dirk Schlenker, Nabih Othman, Oliver Kühne
  • Patent number: 10094253
    Abstract: A valve device for a hydraulic circuit includes an actuator unit and a valve unit. The actuator unit comprises an electromagnetic circuit comprising an armature which moves in a translational manner, a core, a coil carrier, a coil configured to be energized, and a flux guiding device. The coil is arranged on the coil carrier. The valve unit comprises a valve housing comprising a transverse bore which serves as a first control chamber pressure port, a regulating slide mounted in the valve housing, the regulating slide being configured to move axially, a first outlet port, an inlet port, and a second control chamber pressure port arranged between the inlet port and the first outlet port.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: October 9, 2018
    Assignee: PIERBURG GMBH
    Inventors: Rolf Lappan, Christoph Sadowski, Lukas Romanowski, Turgut Yilmaz
  • Patent number: 10090091
    Abstract: The invention relates to a magnet assembly for a solenoid valve, comprising a magnetic core (3), composed of at least two core elements (1, 2), and a magnetic coil (4), said magnetic core being connected in an annular recess (5) of a core element (1). According to the invention, the recess (5) on the side of a terminal surface (6) which forms the core element (1), is closed in a media-tight manner via a web portion (7). The invention further relates to a solenoid valve comprising such a magnet assembly.
    Type: Grant
    Filed: November 28, 2014
    Date of Patent: October 2, 2018
    Assignee: Robert Bosch GmbH
    Inventor: Gerhard Girlinger
  • Patent number: 10054241
    Abstract: A valve has a valve piston (12) guided longitudinally movably in a valve housing (10) and actuated by an operation device (14). In one valve piston position, a connection is produced between a pressure supply port (P) and a working port (A). In another valve piston position, a further fluid-conducting connection is produced between the working port (A) and a tank port (T). The pressure difference arising between the working port (A) and the tank port (T) as flow passes through the further fluid-conducting connection acts, by an actuation device (30), on the valve piston (12). The valve piston passes from a stop position (32), with the further fluid-conducting connection shut off, into a fully open opening position with an enlarged opening cross section from working port (A) to tank port (T).
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: August 21, 2018
    Inventors: Philipp Hilzendegen, Peter Bruck
  • Patent number: 10050505
    Abstract: A linear vibration motor is disclosed. The linear vibration motor includes a housing, a vibrator placed in the housing and an elastic component providing the vibrator with restoring force of vibration. The linear vibration motor also comprises a guide device including an internal guide device, an external guide device, a ball location device arranged between the internal guide device and the external guide device and moving opposite to the housing, and multiple balls positioned on the ball location device. The balls are propped against the external guide device and the internal guide device respectively. Moreover, the rollers will roll in presence of drive effect of the internal guide device and roll at the permanent position. The vibrator is propped in the housing by using the balls.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: August 14, 2018
    Inventors: Lubin Mao, Hongxing Wang
  • Patent number: 10041607
    Abstract: The invention is directed to a gas valve comprising a valve body with a gas inlet, a gas outlet and a gas passage connecting the inlet with the outlet, gas shut-off device in the gas passage, with a seat on the valve body and a movable closure member, an electromagnetic actuator with an electric coil and a movable plunger configured for actuating the closure member of the gas shut-off device, a sleeve extending through the coil and slidably receiving the movable plunger and wherein the sleeve is made of austenitic stainless steel. This avoids embrittlement problems when using the valve with hydrogen under high pressure.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: August 7, 2018
    Assignee: Luxembourg Patent Company S.A.
    Inventors: Daniel Becker, Philippe Schmitz
  • Patent number: 9989156
    Abstract: The invention relates to a pressure control valve, composed of at least a valve component; situated between a control chamber and a return chamber, the valve component has an orifice, which a control element can close, partially close, or open, and the control element has at least one, at least truncated cone-like first control element region with a truncated cone angle and the orifice is formed by a through opening, which extends through the orifice element and at its end oriented toward the control element, has at least one cone-like, in particular first, orifice region with a cone angle; and the cone angle is greater than the truncated cone angle.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: June 5, 2018
    Assignee: SVM Schultz Verwaltungs—GmbH & Co. KG
    Inventors: Karlheinz Mayr, Georg Scherer, Helmut Mang
  • Patent number: 9945492
    Abstract: A solenoid assembly for providing control over fluid pressure distribution in a transmission, where the solenoid assembly includes a sleeve, a valve portion substantially contained within the sleeve, an armature located within the sleeve, a plunger connected to the armature and in contact with the valve, and a housing located within the sleeve in proximity to the armature. The armature is moveable relative to the sleeve and the housing, and the valve portion includes a valve, where the movement of the valve is controlled by the movement of the armature. The valve is biased towards an open position to provide a fluid pressure balance between multiple ports.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: April 17, 2018
    Assignee: Continental Automotive Systems, Inc.
    Inventors: Marc Timmermans, Eddy Wilgenhof, Marie-Noelle Gris, An Huyghe, Peter Steylaerts, Koen Vermolen, Johan Van De Plas
  • Patent number: 9927045
    Abstract: A valve having a metal insert with a fluid passage formed in the metal insert. A composite valve body is disposed at least partially around the metal insert and having at least one port in fluid communication with the fluid passage with the metal insert. A valve member is partially disposed in the metal insert and operable to control the fluid flow through the fluid passage of the metal insert and parts of the valve body.
    Type: Grant
    Filed: May 2, 2014
    Date of Patent: March 27, 2018
    Assignee: BorgWarner Inc.
    Inventors: Kenneth W. Morgan, Michael E. Jones
  • Patent number: 9915369
    Abstract: A solenoid valve for controlling fluids includes: a closing element, which opens and closes at least one outlet opening on a valve seat; a magnetic circuit having an armature, an internal pole and a magnetic return path; and a coil. The armature is connected to the closing element. The magnetic circuit includes (i) a nonmagnetic separating element for interrupting the magnetic circuit and (ii) a magnetic choke device closing the magnetic circuit on the nonmagnetic separating element, which magnetic choke device is a separate individual component which is fixed using a form-locking and/or a force-locking connection.
    Type: Grant
    Filed: February 18, 2014
    Date of Patent: March 13, 2018
    Inventor: Ralf Kromer
  • Patent number: 9879797
    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.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: January 30, 2018
    Assignee: IQ VALVES, CO.
    Inventors: Viraraghavan S. Kumar, Alvaro Andres Reyes, Sudhir S. Kulkarni, Shailesh Pradhananga
  • Patent number: 9863215
    Abstract: A technique facilitates control of fluid flows in a wide variety of applications and environments, including downhole well environments. The technique utilizes a valve system which may include a shear seal valve for controlling fluid flows. The valve system utilizes port arrangements, components for energizing shear seals between mating components, and/or actuating components with improved degrees of freedom. The components facilitate repeatable and consistent actuation and operation of the valve system in the wide variety of applications and environments.
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: January 9, 2018
    Inventors: Murali Jayaram, Michael Krail, Anthony Veneruso, Ives Daniel Loretz, Michael H. Du, Francesco Vaghi
  • Patent number: 9822899
    Abstract: An arrangement of an electromagnet (6) for controlling a central valve (2) is provided. A thrust pin (4) is coupled to the electromagnet (6) and can be moved along a first axis (A) in such a way that a control piston (1) of the central valve (2) can be displaced along a second axis (B) in a central valve housing (8) by the movable thrust pin (4). The first axis (A) of the thrust pin (4) extends parallel to and at a radial spacing (10) relative to the second axis (B) of the control piston (1).
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: November 21, 2017
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Jens Hoppe, Markus Kinscher
  • Patent number: 9810337
    Abstract: A control device selectively fluidically connects and disconnects fluid connection points (A, P, T) by a valve (5), which controls fluid-conducting connection channels (55, 57, 59) extending between the connection points (A, P, T). The connection channels are arranged in a control block (3), into which the valve (5) is at least partially inserted. Proceeding from the respective fluid connection points (A, P, T), the connection channels (55, 59, 57) connected to the fluid connection points extend in parallel to each other until the connection channels lead into a respective control chamber (49; 53, 51). The valve (5) is retained in a receptacle (39) separating two adjacently arranged control chambers (49, 51) from each other.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: November 7, 2017
    Inventors: Gerd Schneider, Peter Bruck
  • Patent number: 9803772
    Abstract: A valve device for a hydraulic circuit includes an actuator unit comprising an electromagnetic circuit which comprises an armature, a core, a coil carrier, a coil, and a flux guiding device. A valve unit comprises a unit formed by a valve tappet and the armature, inlet and outlet ports, and a control port arranged between the inlet and outlet ports. A longitudinal through bore is arranged in the unit to extend from the inlet port into an actuator chamber. A first control body cooperating with a first valve seat and a second control body cooperating with a second valve seat are arranged at the unit in which the longitudinal through bore is formed. The armature and the valve tappet are loaded in an opening direction of the inlet valve by a spring element and are loadable in an opening direction of the outlet port by energizing the electromagnetic circuit.
    Type: Grant
    Filed: January 10, 2014
    Date of Patent: October 31, 2017
    Assignee: PIERBURG GMBH
    Inventors: Rolf Lappan, Lukas Romanowski, Christoph Sadowski
  • Patent number: 9791062
    Abstract: A hydraulic valve having a hollow valve body configured with a supply port and a supply port. The hollow valve body has several different internal diameters. An elongate spool is reciprocally received in the body and has a large diameter annular spool ring oriented adjacent a sensing land inside the hollow body forming a gap with a sensing land to cause a pressure drop across the gap in response to a flow of fluid from the pressure port through the gap to the control port. A servomotor reciprocally drives the spool lengthwise of the valve body against a spring force. When flow of fluid occurs in response to servomotor movement of the spool, the pressure drop across the gap combined with the spring force determines a pressure balanced location to which the spool is moved.
    Type: Grant
    Filed: September 23, 2015
    Date of Patent: October 17, 2017
    Inventor: Charles J. Bowden
  • Patent number: 9739394
    Abstract: A solenoid valve is provided which can be reduced in size while allowing a plunger and a shaft to slide smoothly. A solenoid valve includes a solenoid portion with a plunger that moves in an axial direction using a magnetic force generated by a solenoid coil. The solenoid portion has a cover member that houses the plunger, a shaft that is movable in the axial direction along with the plunger, and a core member that attracts the plunger in the axial direction. The shaft is supported by a first bearing portion formed on a cylindrical portion of the core member and a second bearing portion formed on a second bottom portion of the cover member such that the shaft is movable in the axial direction.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: August 22, 2017
    Inventors: Kaori Fujita, Toshio Murakami, Itsuki Ono
  • Patent number: 9677683
    Abstract: The present invention provides for a solenoid valve assembly including a housing (32) defining a cavity (34). A support (48) is disposed in the cavity and defines a bore (50). A coil (60) is disposed about the support and defines an energized state for generating a magnetic field and a de-energized state. A plunger (74) is movably disposed in the bore of the support between a first position engaging the housing and a second position spaced from the housing. The plunger is radially spaced from the support to define a gap (76) between the plunger and the support. A dampener (86) is coupled to one of the support and the plunger adjacent the gap to prevent direct engagement between the support and the plunger as the plunger moves between the first and second positions during the energized and de-energized states for reducing noise during operation.
    Type: Grant
    Filed: July 20, 2011
    Date of Patent: June 13, 2017
    Inventor: Bengt Hermansson
  • Patent number: 9670982
    Abstract: The invention relates to a pressure regulator in a shock absorber valve. The pressure regulator comprises an axially movable first valve part and a first seat, which are arranged in a valve housing in such a way that an adjustable flow opening is created between the parts. The flow opening is arranged to restrict a damping medium flow (q) and its flow opening size (s) is determined by a force balance on the first valve part. The force balance is principally or partially created by the sum of an actuating force (F) and the force (Fs) from a spring arrangement counter to the action of a counter holding regulator force (R). The spring arrangement comprises a first spring having a first spring constant (k1) and a second spring having a second spring constant (k2).
    Type: Grant
    Filed: June 16, 2014
    Date of Patent: June 6, 2017
    Assignee: ÖHLINS RACING AB
    Inventors: Lars Sönsteröd, Arnold Hovén
  • Patent number: 9662253
    Abstract: The present disclosure relates to a bidirectional valve design that provides for more rapid deflations/evacuation of fluid flow and in one example includes a valve body, a spindle piston movably coupled in a bore of the valve body and an electronically controllable motor that moves the spindle valve between a fluid evacuation position and a fluid fill position. In one example, the spindle piston includes piston structures on ends of a threaded rod. In another example, a mattress system is disclosed that employs the valve and a fluid source to provide quick evacuation of air from a patient support. In another example, the valve is coupled to an alternating pressure block valve which is then coupled to a patient support.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: May 30, 2017
    Assignee: KAP Medical
    Inventors: Raj Krish Gowda, David Darwin Lewis, Daniel Francis Rosenmayer
  • Patent number: 9656040
    Abstract: A valve (100) for controlling pressure in a ventilation system. The valve includes an electromagnet (105, 106), a shaft (107) connected to the electromagnet, and a diaphragm (110) connected to the shaft, wherein the electromagnet applies force to the diaphragm based on an input. The ventilation system includes a ventilator (200) connected to a patient circuit (204), the valve (100) controlling pressure in the ventilation system, and a controller (206) connected to the valve and configured to provide the input to the valve.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: May 23, 2017
    Inventors: Mabini Arcilla, Samir Ahmad, Eamonn Kelly
  • Patent number: 9638025
    Abstract: A measurement-while-drilling servo-actuator for use in mud-pulse telemetry, which determines linear position of a poppet valve therein without counting revolutions of a stepper motor which positions said poppet valve. A sensor senses a magnetic field intensity value, or an inductance value, which is proportional to the position of the poppet valve relative to the sensor. A look-up table of reference outputs corresponding to known position of the poppet valve is used to determine the position of the poppet valve. A method of determining a position of a poppet valve in a mud pulser is further disclosed.
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: May 2, 2017
    Inventors: Quentin Pare, Carl Brown, Thomas Auer, Ben Thomas
  • Patent number: 9631735
    Abstract: Electrohydraulic solenoids with improved filtering of venting fluid are provided herein. In some embodiments, an electrohydraulic solenoid comprises a hollow cylindrical bobbin having a flange at a first end with a core having a cavity open at one end disposed in the hollow of the bobbin. An armature is disposed within the cavity and supported for axial movement within the cavity. A portion of a pole piece is disposed in the hollow of the bobbin at the first end with an axial face of the portion abutting the open end of the cavity and a shoulder axially spaced from the flange forming a gap. A vent path is formed between the cavity and an outer environment, the vent path comprising at least a portion of the gap, with a magnet disposed in a portion of the vent path.
    Type: Grant
    Filed: November 17, 2014
    Date of Patent: April 25, 2017
    Assignee: Flextronics AP, LLC
    Inventors: Matthew Peterson, Hamid Najmolhoda
  • Patent number: 9624948
    Abstract: An oil control valve has a cup shaft and a plunger. The cup shaft and the plunger have a projection and a recess to provide a male-female joint. The male-female joint provides contact points which can reduce lateral offset and inclination. The projection and the recess provides two or more force transmitting points from the plunger to the cup shaft, when the projection and the recess are inclined with each other. The force transmitting points are located about the central axis of the spool in a distributed manner.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: April 18, 2017
    Inventors: Masahiko Ochiai, Jiro Kondo
  • Patent number: 9585574
    Abstract: In magnetic resonance imaging (MRI), the powerful magnetic fields can interfere with, damage, cause premature failure in, and attract certain non-MR safe instruments. Electromagnetic ally sensitive components are eliminated in favor of MR safe components, such as ceramic piezoelectric components and bi-metallic components. Instruments that previously had to be kept a safe distance away from the main magnet (12), e.g., beyond the 5 Gauss line, while a patient was being scanned are now allowed near the patient without fear of damage to the instrument (40) or danger to the patient and medical staff or the MRI device (10).
    Type: Grant
    Filed: February 2, 2009
    Date of Patent: March 7, 2017
    Inventor: Mark Nelson
  • Patent number: 9556961
    Abstract: A valve element has a packing material, whose one side surface touches and leaves a valve seat as a sealing surface, and a support member, which is driven in opening and closing directions of a valve section by actuating an actuator. The support member includes a supporting surface, which is in contact with a side surface of the packing material opposite to the sealing surface of the packing material, and an engagement part, which supports a peripheral edge part of the packing material in a manner such that the engagement part is engaged with the peripheral edge part. A ring-shaped fluid flow passage is formed between the supporting surface of the support member and the packing material, and this fluid flow passage communicates with an upstream passage.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: January 31, 2017
    Assignee: TGK Co., Ltd.
    Inventors: Toshiyuki Shiota, Toshihiro Andoh, Shigeru Abe
  • Patent number: 9556862
    Abstract: A control valve according to one embodiment includes a shaft that transmits the solenoidal force to a valve element. The control valve, in one example, ensures high pressure resistance at a mounting part where a control valve is mounted in a variable displacement compressor. A solenoid includes a bottomed sleeve into which the pressure of refrigerant is introduced, a core secured coaxially to the sleeve, a plunger, contained in the sleeve on its bottom side, which is displaceable integrally with the shaft in a direction of axis line, a first spring that applies the biasing force in a valve opening direction to the shaft, a second spring that applies the biasing force in a valve closing direction to the plunger, and a shaft support member, which is press-fitted such that the shaft support member is secured to an inner wall of the sleeve near its bottom portion. The second spring is set between the shaft support member and the plunger.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: January 31, 2017
    Assignee: TGK Co., Ltd.
    Inventors: Ryousuke Yoshihiro, Morimitsu Kajiwara