Coil Surrounds Valve Port Or Flow Line Patents (Class 251/129.21)
  • Patent number: 10378496
    Abstract: An object of the present invention is to provide a fuel injection valve configured to suppress bouncing of a valve element that is caused as a result of the valve element being rendered elastic when the valve element collides with a valve seat. The fuel injection valve of the present invention includes the valve element configured to come into contact with the valve seat for closing an injection hole and to separate from the valve seat for unclosing the injection hole, an elastic member urging the valve element toward the valve seat, a movable iron core disposed to be in and out of contact with the valve element, a fixed iron core disposed to be opposed to the movable iron core, and a coil configured to generate electromagnetic force for moving the movable iron core.
    Type: Grant
    Filed: January 8, 2016
    Date of Patent: August 13, 2019
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Akiyasu Miyamoto, Motoyuki Abe, Yoshihito Yasukawa, Takao Miyake, Akira Iizuka, Kiyotaka Ogura
  • Patent number: 10276835
    Abstract: A filling apparatus used in an evaporator system and a filling method are provided. The filling apparatus includes: a filling bottle, a magnetic cover plate, an evaporation material trough and a magnetic induction drive unit, wherein the magnetic cover plate is provided at an opening of the filling bottle, in operation the opening of the filling bottle is provided to orientate the evaporation material trough, the magnetic induction drive unit is disposed outside of the opening, and configured to be capable of driving the magnetic cover plate to open and close.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 30, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Wenbin Jia, Xinwei Gao, Ronggang Shangguan, Xinxin Wang
  • Patent number: 10259643
    Abstract: A dispensing system comprises a solenoid valve that includes an inlet end adapted to be attached to a container such that a valve stem thereof is held in an open state. A flow adapter includes a cylindrical wall and a post mounted within the cylindrical wall to define an annular passage therebetween. An inlet end of the flow adapter is sealingly attached to an outlet end of the solenoid valve, and the flow adapter is adapted to receive a spray insert within the annular passage.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: April 16, 2019
    Assignee: S. C. JOHNSON & SON, INC.
    Inventor: Jeffrey J. Christianson
  • Patent number: 10233884
    Abstract: The present invention includes a bobbin having a winding part around which a coil winding is wound, a terminal extending from the bobbin in the axial direction of the bobbin, and a wrapping part which is provided to the terminal and in which a terminal lead wire pulled out from a coil part that is wound around the winding part is wrapped and fused. The terminal lead wire wired between the bobbin and the wrapping part in a state of being in contact with the surface of the terminal. The peripheries of the bobbin, the wiring part of the terminal lead wire and the wrapping part are covered with resin.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 19, 2019
    Assignee: Hitachi Automotive Systems, Ltd.
    Inventors: Eiji Tamura, Nobuaki Kobayashi, Takahiro Saito, Akihiro Yamazaki
  • Patent number: 10024287
    Abstract: A valve body for a fluid injector includes a central longitudinal axis and a one-piece base body. The base body has a side wall defining a recess extending from a fluid inlet side to a fluid outlet side of the base body. The side wall has a thin portion having a decreased wall thickness relative to further portions of the side wall that adjoin the thin portion along the longitudinal direction towards the fluid inlet side and the fluid outlet side. The valve body includes a metallic reinforcement jacket that is rigidly coupled to the base body and which axially overlaps the thin portion having the decreased wall thickness.
    Type: Grant
    Filed: February 17, 2014
    Date of Patent: July 17, 2018
    Assignee: CONTINENTAL AUTOMOTIVE GMBH
    Inventors: Mauro Grandi, Francesco Lenzi, Valerio Polidori
  • Patent number: 9739203
    Abstract: A fuel metering valve includes a main flow path extending axially between an inlet and an outlet. Also included is a plunger disposed around a portion of a plunger guide, the plunger and the plunger guide configured to translate between an open position and a closed position to selectively distribute a fuel flowing through the main flow path to the outlet of the fuel metering valve. Further included is a solenoid coil disposed between a solenoid outer body and a solenoid inner body, the solenoid coil configured to magnetically attract the plunger to the open position. Yet further included is a secondary flow path for routing a stagnant volume of fuel upon translation of the plunger from the closed position to the open position.
    Type: Grant
    Filed: May 15, 2014
    Date of Patent: August 22, 2017
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventors: Francis P. Marocchini, Russell P. Rourke, Jr.
  • Patent number: 9702477
    Abstract: A power versatile and energy efficient electric coaxial valve is a dual magnetic latching electric tube-type valve having an electrically pulsed actuated permanent electromagnet with an armature having three active poles to increase the magnetic force of the armature provided by permanent magnets for energy efficiency. The electric coaxial valve is augmented with a balanced spring means that works in concert with the armature to increase the internal force and tube movement distance, while reducing the energy needed to operate the valve. The increased magnetic force, internal force, and tube movement distance provide a coaxial valve that can have increased pressure or flow area. The valve is power versatile in that the pulsed electric means used to operate the valve is power versatile.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: July 11, 2017
    Inventor: Glen A. Robertson
  • Patent number: 9689505
    Abstract: It is to realize a valve remote control apparatus capable of driving and controlling, with wireless signals, an air motor configuring an automatic switch to be attached to a manual valve. A valve remote control apparatus is configured to mechanically connect, to a manual operating portion 11 of an existing manual valve 10, an output shaft 21a of an air motor 21 using an air pressure as a drive source, and to remotely control the manual value 10. The valve remote control apparatus includes a solenoid valve (operating valve 53) operated by an operation signal transmitted and received wirelessly between a contact information terminal portion 51 and a contact information operating portion 52. The air pressure for driving and rotating the air motor 21 is supplied via the solenoid valve (operating valve 53).
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: June 27, 2017
    Assignee: Yokogawa Electric Corporation
    Inventors: Tetsuo Inagaki, Hitoshi Saito
  • Patent number: 9683472
    Abstract: An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a cylindrically-shaped coil of wire. The valve member moves between a seated position and an unseated position in response to energizing the electromagnet. A flux sleeve passes through the coil and includes two magnetic portions interconnected by a flux bridge portion or a flux break portion. Each of the magnetic portions is aligned with transverse planes defined by the ends of the cylindrical coil. The flux bridge portion or flux break portion is axially positioned between the transverse planes.
    Type: Grant
    Filed: March 9, 2015
    Date of Patent: June 20, 2017
    Assignee: Tenneco Automotive Operating Company Inc.
    Inventors: Stephen M. Thomas, Matthew L. Roessle, Rick Simpson, Eric Grant
  • Patent number: 9394867
    Abstract: A fuel injection valve for injecting fuel includes: a coil, an internal pole, a valve sleeve, and a magnetic separating element, where the valve sleeve and the magnetic separating element are embodied in one piece as a powder injection-molded component, and the valve sleeve forms a magnetic region and the magnetic separating element forms a non-magnetic region, which are intermaterially joined to one another.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: July 19, 2016
    Assignee: Robert Bosch GmbH
    Inventors: Johannes Schmid, Juergen Graner, Tilla Haubold, Friedrich Moser, Matthias Schumacher, Andreas Burghardt, Jochen Rager
  • Patent number: 9394868
    Abstract: A valve assembly of an injection valve may include a valve body having a cavity forming an inner guide surface and having a fluid inlet portion and a fluid outlet portion, a valve needle in the cavity that controls a fluid flow through the fluid outlet portion, the valve needle having an upper end facing the fluid inlet portion and an inner recess extending from the upper end and enabling a fluid flow inside the valve needle. A guide element in the cavity is mechanically coupled to the upper end of the valve needle and extends radially to the inner guide surface of the valve body and guides the upper end of the valve needle inside the valve body. The guide element forms a one-piece extension of the valve needle with an inner recess hydraulically coupled to the fluid inlet portion and the inner recess of the valve needle.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: July 19, 2016
    Assignee: CONTINENTAL AUTOMOTIVE GMBH
    Inventors: Matteo Soriani, Mauro Grandi, Valerio Polidori
  • Patent number: 9285053
    Abstract: A gas valve having a valve body that at least partially defines a gas enclosure. The valve body has an intake, an outlet and a hole for communicating the outlet with the intake. A valve seat within the gas enclosure cooperates with the hole to permit or to prevent the passage of gas through the hole. An electrically activated actuator, when activated, is configured to move or keep the valve seat in the open position. The gas valve includes connection means that connect the actuator to the outside of the gas valve, the connection means being disposed at least in part on a metal core printed circuit board. The printed circuit board is soldered to a metal structure located within the gas enclosure to at least partially seal the gas enclosure, the metal structure supporting, at least in part, the electrical actuator.
    Type: Grant
    Filed: February 27, 2013
    Date of Patent: March 15, 2016
    Assignee: COPRECITEC, S. L.
    Inventors: Félix Querejeta Andueza, Jose Ignacio Mugica Odriozola
  • Patent number: 9194346
    Abstract: In an electromagnetic fuel injection valve including a magnetic coil housing (31) having a coil assembly (28) housed therein, the coil housing (31) includes the first and second coil housing half bodies (31a, 31b) whose cross sections are each shaped like an inferior arc, and which are oppositely disposed so as to interpose the coil assembly (28) and a coupler (34), each of the coil housing half bodies (31a, 31b) includes: a barrel portion (44) for covering an outer peripheral surface of the coil assembly (28); a front-end wall portion (45) and a rear-end wall portion (46) which are in contact with front-end and rear-end surfaces of the coil assembly (28); a front connection cylindrical portion (47) welded to the outer peripheral surface of the magnetic cylindrical body (4); and a rear connection cylindrical portion (48) welded to the outer peripheral surface of the fixed core (5); both the coil housing half bodies are formed symmetrically; and one half part and the other half part of each of the coil housing
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: November 24, 2015
    Assignee: Keihin Corporation
    Inventors: Yoichi Nakajima, Kenichi Saito, Kazuhiko Sato
  • Patent number: 9171681
    Abstract: An electromagnetic switch is provided which includes: a coil generating magnetomotive force; a frame accommodating the coil and generating a flux path; a resin cover covering an opening of the frame; and a current-supply terminal member energizing the coil. The current-supply terminal member includes: a blade-shaped terminal whose end is connected to the coil and whose another end is drawn out of the resin cover in the axial direction of the electromagnetic switch; and a plate-shaped external connection terminal whose end is joined to an end of the blade-shaped terminal and whose another end is drawn out in the direction intersecting the axial direction. A portion between the ends of the external connection terminal is insert-molded in a terminal anchor block provided with the resin cover. A female terminal of a power supply connector provided at an electric supply line is fitted and electrically connected to the external connection terminal.
    Type: Grant
    Filed: June 6, 2014
    Date of Patent: October 27, 2015
    Assignee: DENSO CORPORATION
    Inventors: Masami Niimi, Mitsuhiro Murata, Kiyokazu Haruno
  • Patent number: 9061665
    Abstract: A magnet valve has a core sleeve in which a valve element is longitudinally movably arranged and has at least one housing sleeve overlaying the core sleeve which is connected to the core sleeve by welding from the outside. The weld is designed via a circumferential section or a plurality of circumferential sections of the housing sleeve forming at least one weld-free zone. A method for welding such a core sleeve of a magnet valve to the housing sleeve is also disclosed. The weld is made via a circumferential section or a plurality of circumferential sections of the housing sleeve, leaving at least one weld-free zone.
    Type: Grant
    Filed: November 12, 2010
    Date of Patent: June 23, 2015
    Assignee: Robert Bosch GmbH
    Inventors: Harald Guggenmos, Michael Dinerman, Andreas Wenzel, Dirk Foerch, Manfred Schulla
  • Patent number: 9033264
    Abstract: A fuel injector for fuel injection systems of internal combustion engines has a solenoid operable via an electric wire, a valve sleeve in an injection-side area forming an external sheathing of the fuel injector, and a valve housing. The fuel injector has a plastic sleeve, which contains the solenoid and the electric wire and can be pushed onto the valve sleeve.
    Type: Grant
    Filed: September 28, 2005
    Date of Patent: May 19, 2015
    Assignee: ROBERT BOSCH GMBH
    Inventor: Hubert Stier
  • Patent number: 9027905
    Abstract: A fluid control valve includes an inflow channel for introducing fluid, an outflow channel for discharging the fluid, a valve seat, a valve body for blocking/allowing communication between the inflow channel and the outflow channel in association with a movement thereof into contact with or away from the valve seat, and a solenoid configured to apply a magnetic force to the valve body, the magnetic force being generated in response to supply of electric power to the solenoid. The inflow channel is formed through the core of the solenoid so that the core and the fluid comes into contact with each other in the inflow channel.
    Type: Grant
    Filed: October 12, 2011
    Date of Patent: May 12, 2015
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Masanobu Matsusaka, Tadayoshi Sato
  • Patent number: 9004447
    Abstract: A pressure relief valve includes an outer frame, a ferromagnetic cylinder, a plastic air faucet, an electrical coil module and a spring. The plastic air faucet has a first end extending through a through hole of the outer frame and a second opposite end extending through a hollow channel of the ferromagnetic cylinder. The electrical coil module is located within the outer frame and has a central passage allowing the ferromagnetic cylinder to be accommodated inside. The ferromagnetic stopper is slidable along the central passage of the electrical coil module, wherein the ferromagnetic stopper has a seal gasket. The spring is located between the air faucet and the ferromagnetic stopper. When the electrical coil module is electrified, the ferromagnetic stopper and the ferromagnetic cylinder attract each other to against the resilient force of the spring to push the seal gasket against the air opening of the air faucet.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: April 14, 2015
    Assignee: Xiamen Koge Micro Tech Co., Ltd.
    Inventors: Cheng-Kai Tung, Sheng-Min Yang
  • Patent number: 8991784
    Abstract: A glue valve with electromagnetic actuation of a valve tappet (15) having a valve housing (10), which has a lateral aperture which is open in the upward direction, that is to say a side opening (36). A coil core (13) and a transversely directed carrying crosspiece (26), on which a plug (22) can be fitted, form a unit, that is to say a coil unit (21), which can be introduced into the valve housing (11) in one operation, via the side opening (36) which is open in the upward direction.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: March 31, 2015
    Assignee: Focke & Co. (GmbH & Co. KG)
    Inventors: Eric Jürgens, Reinhard Hoppe
  • Patent number: 8973895
    Abstract: An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a cylindrically-shaped coil of wire. The valve member moves between a seated position and an unseated position in response to energizing the electromagnet. A flux sleeve passes through the coil and includes two magnetic portions interconnected by a non-magnetic portion. Each of the magnetic portions is aligned with transverse planes defined by the ends of the cylindrical coil. The non-magnetic portion is axially positioned between the transverse planes.
    Type: Grant
    Filed: August 30, 2011
    Date of Patent: March 10, 2015
    Assignee: Tenneco Automotive Operating Company Inc.
    Inventors: Stephen M. Thomas, Matthew L. Roessle, Rick Simpson, Eric Grant
  • Patent number: 8967124
    Abstract: A fuel injector assembly includes a first coil that induces a time varying magnetic field into a second coil that is utilized to heat fuel flowing through the fuel injector. A first coil receives a first signal from a driver to generate a first magnetic field that moves an armature between an open and closed position. The second coil generates a second magnetic field generated by a current induced by the first coil into the second coil. The induced current is generated by an alternating current signal that is interposed onto a direct current signal sent to the first coil. The alternating current signal produces a time varying second magnetic field that induces heating of a magnetically active component with the fuel flow that in turn heats the fuel.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: March 3, 2015
    Assignee: Continental Automotive Systems, Inc.
    Inventors: Michael J. Hornby, John F. Nally, Jr., Hamid Sayar, Perry Robert Czimmek
  • Patent number: 8960221
    Abstract: An electromagnetic pressure regulating valve includes a valve body and causes a valve body to move by an electromagnetic proportional solenoid to adjust an opening degree of a valve passage, thereby regulating secondary pressure to target pressure. A pressure return chamber is formed in the housing, and a diaphragm seal is provided at the valve body. The diaphragm seal receives the secondary pressure of the pressure return chamber to cause the valve body to move toward a closed position. A bearing member is provided between the valve body and the housing. In a gap between the valve body and the housing, a high-pressure sealing member is provided closer to the valve passage than the bearing member, and a low-pressure sealing member is provided closer to the bearing member than the high-pressure sealing member. A buffer chamber connected to a secondary port is formed between the sealing members.
    Type: Grant
    Filed: August 4, 2011
    Date of Patent: February 24, 2015
    Assignee: Kawasaki Jukogyo Kabushiki Kaisha
    Inventors: Kaoru Nomichi, Yutaka Suzuki, Makoto Ninomiya, Shoji Murakami
  • Patent number: 8944405
    Abstract: An electromagnetic hydraulic valve or solenoid having an electric plug, housing, magnetic coil, armature and armature pin, valve body and associated valve seat and valve plate and associated valve seat, the valve plate axially retained, but, freely floating laterally within the housing, such that the valve plate and valve plate seat is movable to align with the valve body and valve body seat.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: February 3, 2015
    Assignee: Schaeffler Technologies GmbH & Co. KG
    Inventors: Debora Manther, Peter Stegmann, Jens Hoppe
  • Patent number: 8915481
    Abstract: The magnetically actuable valve has an interior space which is surrounded by a magnetizable wall and in which a valve body can move, closing a valve opening in the closed position. The magnetic circuit includes at least one intermediate piece made from nonmagnetic material, while the wall and the valve seat consist of magnetizable material. As a result of the valve body being arranged eccentrically or as a result of the intermediate pieces being arranged asymmetrically, the magnetic flux density is increased on one side, so that the valve body moves onwards towards this side from the valve opening.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: December 23, 2014
    Assignee: Deutsches Zentrum fur Luft—und Raumfahrt e.V.
    Inventor: Dietmar Neuhaus
  • Patent number: 8851449
    Abstract: The invention relates to a valve having a closure element which is movable in an inner chamber and closes or clears a valve seat. The closure element is activated by a magnetic assembly in the magnetizable wall surrounding the inner chamber. According to the invention, the closure element has a low density. It comprises a hollow body having at least one activator body made of magnetizable material that is freely movable therein. The closure element has a low weight and a large surface. The large surface facilitates the resetting of the closure element on the valve seat by the action of the flowing medium.
    Type: Grant
    Filed: January 15, 2010
    Date of Patent: October 7, 2014
    Assignee: Deutsches Zentrum für Luft—und Raumfahrt E.V.
    Inventor: Dietmar Neuhaus
  • Patent number: 8763631
    Abstract: A metering valve includes a valve body, a flow tube, an orifice plate, a central flow body, and a mover. The valve body has an inlet and an outlet. The flow tube is carried for axial movement in slidable and sealing engagement with the valve body at an inlet end and an outlet end. The orifice plate has an outlet. The central flow body is provided on an upstream end of the orifice plate and has an annular seal configured to seat into engagement with the outlet end of the flow tube when the flow tube is moved to a downstream position. The central flow body also includes a central, protruding flow diverter upstream and central of the annular seal. The mover is provided in the valve body and is configured to carry the flow tube for displacement of the output end toward and away from the central flow body.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: July 1, 2014
    Assignee: Precision Engine Controls Corporation
    Inventors: E. Joseph Mares, Nathan Todd Miller, Mark Robert Huebscher
  • Patent number: 8727308
    Abstract: An adjustable electromagnetic fluid flow control valve includes: a tubular member of non-magnetizable material. One end of the tubular member is forming an inlet and serves as the main entry port for: gases or other fluids entering the valve. The opposite end of the tubular member is forming an outlet The valve includes at least one annularly configured electromagnetic coil which is surrounded from outside and partially inside by a core preferably built from ferrous laminations. The coil is connected to a power supply and can be energized by the power supply under control of a controller: A disk occluder of a magnetic material has diameter corresponding to the internal diameter of the tubular member. The occluder is disposed Within the tubular member and occludes the fluid flow when is positioned perpendicular to the longitudinal axis of the tubular member. The occluder rests on a supporting non-magnetic-member with at least one passageway for fluid flow.
    Type: Grant
    Filed: April 22, 2010
    Date of Patent: May 20, 2014
    Inventor: Konstantin Shukhmin
  • Patent number: 8684036
    Abstract: A cryogenic valve includes a first port and a second port, a valve body, a valve stem, a sealing member, a valve element and a housing. The valve body includes a valve seat defining a fluid orifice in fluid communication with the first port. The valve stem is configured to engage with the valve body, wherein at least one of the valve stem and valve body form an inner valve cavity. The valve element is positioned within the inner valve cavity. The valve element is also configured to bias the sealing member against the orifice to substantially block flow through the orifice and the first port. The bias is controlled in response to control of the valve element by a valve actuator. A channel is configured to allow fluid flow through at least one of the valve stem and valve element along a longitudinal axis. A housing is configured to substantially seal and enclose at least a portion of the valve body and valve stem.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: April 1, 2014
    Inventor: Yozo Satoda
  • Patent number: 8678028
    Abstract: The invention relates to a locking device for a lock opening which is arranged in a wall between a first and a second recipient, said lock opening comprising a blocking element, which is arranged in the inner chamber of the first recipient, and a counter-plate which is associated with the blocking element. A first magnet device is provided in an area of the counter-plate and a second magnet device, which is associated with the first magnet device, is provided in the region of the blocking element. In order to close and/or open the locking device by means of the first and second magnet device, a positive and/or negative contact pressure can be produced between the blocking element and the counter-plate.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: March 25, 2014
    Assignee: Leybold Optics GmbH
    Inventors: Mario Roder, Alexander Muller, Andreas Caspari, Thomas Vogt, Christof Klesen
  • Patent number: 8662472
    Abstract: In an electromagnetic fuel injection valve, a valve housing includes: a cylinder-shaped valve seat member having a valve seat in its front end portion; a magnetic cylindrical body coaxially connected to a rear end portion of the valve seat member; a nonmagnetic cylindrical body coaxially and liquid-tightly welded to a rear end of the magnetic cylindrical body; and a hollow cylindrical stationary core coaxially and liquid-tightly welded to a rear end of the nonmagnetic cylindrical body. A valve assembly is housed in the valve housing and includes: a valve body capable of being seated on the valve seat; and a movable core connected to a rear end of the valve body and opposed to a front end of the stationary core. The valve body and the valve seat member are respectively made of different martensitic stainless steels so that a hardness of the valve body is higher than that of the valve seat member.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: March 4, 2014
    Assignee: Keihin Corporation
    Inventors: Katsuyuki Suzuki, Gen Kato, Junichi Miyashita, Kenichi Tsunota
  • Patent number: 8646749
    Abstract: An electromagnetically actuatable valve, e.g., a fuel injector for fuel injection systems, includes an electromagnetic actuating element having a solenoid, a fixed core, a valve jacket, and a movable armature for actuating a valve closing body, which cooperates with a valve seat surface provided on a valve seat body. In addition, the valve has a restoring spring for resetting the valve closing body to its resting position on the valve seat surface. The restoring spring and an internal longitudinal bore hole of the armature are paired in such a way that the armature is guided during its axial movement only along the restoring spring.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: February 11, 2014
    Assignee: Robert Bosch GmbH
    Inventor: Ferdinand Reiter
  • Patent number: 8641011
    Abstract: A solenoid comprises at least one armature supported in an armature space. The armature space is encircled by a coil carrying a number of windings which can be loaded with current. The magnetic field generated by it moves the armature against the core. The armature acts on a pin. The armature has on its front seen in the direction of movement a recess in which a structural part is set. The pin is supported on the structural part.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: February 4, 2014
    Assignee: SVM Schultz Verwaltungs—GmbH & Co. KG
    Inventors: Georg J. Scherer, Helmut J. Mang
  • Patent number: 8622080
    Abstract: A pressure reducer having a high pressure inlet, a low-pressure outlet and a valve having a valve seat and a cooperating movable piston valve. With displacement of the piston valve away from the valve seat, a path between the high pressure inlet and the low pressure outlet is opened. In addition, a closing force caused by a low pressure acts on the piston valve towards the valve seat during operation of the pressure reducer. A spring is also provided for the purpose of exerting an actuating force on the piston valve to move away from the valve seat in the valve opening direction. A solenoid coil is configured to exercise a magnetic force superimposed on the closing force or the actuation force acting on the valve piston.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: January 7, 2014
    Assignee: MAGNA STEYR Fahrzeugtechnik AG & CO KG
    Inventor: Peter Pucher
  • Patent number: 8539979
    Abstract: A two-stage solenoid valve for an electropneumatic valve control unit, e.g., a pilot control unit of a pressure modulator, includes a solenoid system to which a first and second current intensity can be applied as well as a solenoid valve device with a primary side connectable to a first compressed-air supply and a secondary side connectable to a second compressed-air supply. A primary valve encompassing an adjustable primary armature biased by a primary armature spring is provided on the primary side, and a secondary valve encompassing an adjustable secondary armature biased by a secondary armature spring is provided on the secondary side. The solenoid valve device can be a valve cartridge insertable from one side. Diameters of a front (in relation to insertion direction) region and a central region of the valve cartridge are smaller than or equal to the diameter of a rear region of the valve cartridge.
    Type: Grant
    Filed: September 6, 2007
    Date of Patent: September 24, 2013
    Assignee: WABCO GmbH
    Inventors: Dieter Frank, Juan Rovira-Rifaterra, Armin Sieker, Andreas Teichmann
  • Patent number: 8540208
    Abstract: A bistable valve (100) is provided according to an embodiment of the invention. The bistable valve (100) includes an armature (108) movable to selectively block and unblock at least a first port (104) and a biasing device (112) configured to provide a first biasing force that biases the armature (108) toward a first position blocking the first port (104). The bistable valve (100) further includes a plurality of substantially radially magnetized permanent magnets (114) configured to provide a second biasing force to the armature (108) substantially opposite to the first biasing force and an electromagnetic coil (116) configured to generate a third biasing force when energized with a first current polarity. The third biasing force is substantially opposite to the first biasing force and in combination with the second biasing force overcomes the first biasing force and moves the armature (108).
    Type: Grant
    Filed: September 7, 2006
    Date of Patent: September 24, 2013
    Assignee: Fluid Automation Systems S.A.
    Inventors: Raphael Alvarez, Pierre Sirdey
  • Publication number: 20130153801
    Abstract: An electromagnetic linear valve includes a housing including a core closing an opening at one end portion of the body portion, and a separation portion separating an interior into a first liquid chamber located in a core side and a second liquid chamber; a plunger disposed in the first liquid chamber so as to move along the axis in a state in which one end thereof faces to the core and the other end can sit on a hole; an elastic member applying a force to move the plunger away from the core; and a coil generating magnetic field to move the plunger toward the core. A recess is formed in a section of an inner circumferential portion of the body portion which intersects with an end face of the core in the first direction.
    Type: Application
    Filed: September 6, 2010
    Publication date: June 20, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kei Sato, Masaki Nanahara, Masayasu Ohkubo
  • Publication number: 20130153800
    Abstract: An electromagnetic valve device includes an armature body; a coil housing; a static, hollow cylindrical armature guide tube; and at least one electromagnetic coil interacting with the armature body and accommodated in the coil housing; the armature body being guided in the static, hollow cylindrical armature guide tube and can abut against a head part, which closes off the armature guide tube at the head side, of the armature guide tube extending through a central passage opening of the housing and through a central opening in a yoke disk at the base side as to the coil and at least partially engaging under the yoke disk by a radially outwardly projecting annular base part, in which, for axial support of the head part, the head part is at least partially engaged over by a coil housing support part that makes contact with the head part in a contact region.
    Type: Application
    Filed: June 14, 2011
    Publication date: June 20, 2013
    Inventors: Friedbert Roether, Reiner Maerkle
  • Patent number: 8459577
    Abstract: A valve assembly including an armature and a valve member that are coupled when the solenoid coil is de-energized but are decoupled after the solenoid coil is energized. A first spring biases the armature and the valve member to a closed valve seat position while a second spring having a smaller preload than the first spring biases the valve member to an open valve seat position. When the solenoid coil is energized, the magnetic force of the coil overcomes the force exerted by the first spring pulling the armature away from the valve member. The valve member moves to the open valve seat position by the force exerted by the second spring. When the coil is de-energized, the magnetic force decays, thereby allowing the armature and the valve member to re-couple.
    Type: Grant
    Filed: July 8, 2008
    Date of Patent: June 11, 2013
    Assignee: Caterpillar Inc.
    Inventors: Avinash R. Manubolu, Shriprasad G. Lakhapati, Stephen Lewis, Christopher D. Hanson
  • Patent number: 8382063
    Abstract: An electromagnetic valve includes a valve body, a valve element, a movable iron core, a guide tube, a coil, a yoke, and a fixed iron core. The valve body includes a fluid flow path. The valve element is movable and seated on a valve seat provided in the fluid flow path of the valve body. The movable iron core moves the valve element with respect to the valve seat. The guide tube is cylindrical and movably supports the movable iron core. The coil is mounted on an outer periphery of the guide tube. The yoke covers an outside of the coil and forms a magnetic circuit. The fixed iron core is provided facing the movable iron core and attracts the movable iron core by energization of the coil. The valve body is coupled to the guide tube on one opening end side of the guide tube, and the fixed iron core is provided on an other end side of the guide tube with a clearance spaced from an inside of the guide tube.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: February 26, 2013
    Assignee: Toyooki Kogyo Co., Ltd
    Inventor: Noritaka Watanabe
  • Patent number: 8322376
    Abstract: In one embodiment, a solenoid valve includes a supply port that fluidly communicates with a source of compressed air, a delivery port, a bore that selectively fluidly communicates with the supply and delivery ports, an armature in the bore, a pole piece in the bore, and a coil that is selectively energized with electrical power. The coil is around the armature and pole piece. The armature and pole piece selectively sealingly engage and move as an armature/pole piece single unit as a function of the electrical power in the coil. A position of the armature/pole piece within the bore controls fluid communication between the supply port and the delivery port.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: December 4, 2012
    Assignee: Bendix Commercial Vehicle Systems, LLC
    Inventor: Thanh Ho
  • Patent number: 8313084
    Abstract: An electromagnetically operatable valve, in particular a fuel injector for fuel injection systems of internal combustion engines, includes a magnetic circuit having a core, a solenoid, an armature, which operates a valve closing body cooperating with a fixed valve seat and is drawn against the core when the solenoid is excited, and is held on the valve closing body by a closing body carrier representing a part of a valve needle. The spherical valve closing body is secured on the closing body carrier in a non-positive manner due to the shape of the corresponding connecting surfaces. The valve is suitable in particular for use in fuel injection systems of mixture-compressing, externally ignited internal combustion engines.
    Type: Grant
    Filed: October 30, 2006
    Date of Patent: November 20, 2012
    Assignee: Robert Bosch GmbH
    Inventor: Ferdinand Reiter
  • Patent number: 8286937
    Abstract: The presented valve (1) is based on two axially adjustable sleeve-shaped valve seat rings (14, 36) that are associated with locking arrangements in the form of annular armature plates (22, 35) and associate holding coils (24, 36). The valve closure member (39) can be variably adjusted via a position adjustment drive. Said valve closure member has a double function. On the one hand, it acts to move the valve seat rings (14, 26) into locking position and, on the other hand, it acts to control the gas flow.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: October 16, 2012
    Assignee: Karl Dungs GmbH & Co. KG
    Inventor: Joachim Forster
  • Patent number: 8246005
    Abstract: In an electromagnetic fuel injection valve in which: a suction tubular part projecting toward an inside of a nonmagnetic cylindrical body is provided to a front end portion of a stationary core; and a front end of the suction tubular part and a rear end of a movable core are opposed to each other in the inside of the nonmagnetic cylindrical body, an annular gap allowing influx of pressure fluid used for a check of liquid-tightness between the nonmagnetic cylindrical body and the stationary core is provided between an outer peripheral surface of the suction tubular part and an inner peripheral surface of the nonmagnetic cylindrical body. Accordingly, it enables a quick and efficient judgment to be made on a check on liquid-tightness of a welded part by applying fluid pressure to the inside of the valve housing after the valve housing of the electromagnetic fuel injection valve is produced.
    Type: Grant
    Filed: June 19, 2009
    Date of Patent: August 21, 2012
    Assignee: Keihin Corporation
    Inventors: Toshikazu Sakai, Ryuji Aoki
  • Patent number: 8235252
    Abstract: A high-speed actuator moves a valve stopper to a selected position to control material flow. The actuator includes a rod carrying first and second axially spaced solenoid armatures attached to the stopper. First and second solenoid coil surround and are spaced from the rod to bias the first solenoid armature along with the rod and valve stopper. A linear variable differential transformer (LVDT) responsive to the position of the second armature determines the instantaneous position of the valve stopper. A valve position control circuit receives a valve position set point from a user's input, and a valve position feedback signal from the LVDT. The valve position control circuit includes first and second solenoid coil drive signals that urge the first armature and stopper to the valve position set point. A signal generator circuit vibrates the valve about a set point to enhance material discharge.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: August 7, 2012
    Inventor: Robert O. Brandt, Jr.
  • Patent number: 8220604
    Abstract: A damping force variable valve includes a retainer having a main body connected at a central portion thereof to a high pressure part or portion of a shock absorber and having an outer peripheral region enlarging outwardly, and a spool rod integrally extending from the central portion and formed at a center thereof with a hollow portion having a spool inserted therein. The variable valve further includes a main disc disposed adjacent the retainer, a solenoid unit provided adjacent the spool rod and including a push rod for moving the spool when electrical power is applied, and an operating block installed adjacent the solenoid unit and including an enlarged portion coupled to the outer peripheral region of the main body.
    Type: Grant
    Filed: July 10, 2009
    Date of Patent: July 17, 2012
    Assignee: Mando Corporation
    Inventors: Young Whan Jee, Kyu Shik Park
  • Patent number: 8172197
    Abstract: A fast-acting, pneumatic diaphragm valve includes a diaphragm valve closure member, a pneumatic piston that provides a closure force on the closure member, and a solenoid pilot valve that controls pressurized air to the piston to cause the piston to move in a reciprocal manner so that the closure member opens and closes the valve. The valve seat seal can be elastomer for enhancing speed, and the solenoid pilot valve can be positioned and configured with air flow longitudinally through or past the solenoid armature to enhance speed.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: May 8, 2012
    Assignee: MKS Instruments, Inc.
    Inventors: Youfan Gu, Sven Nuesken
  • Publication number: 20120085954
    Abstract: An adjustable electromagnetic fluid flow control valve includes: a tubular member of non-magnetisable material. One end of the tubular member is forming an inlet and serves as the main entry port for: gases or other fluids entering the valve. The opposite end of the tubular member is forming an outlet The valve includes at least one annularly configured electromagnetic coil which is surrounded from outside and partially inside by a core preferably built from ferrous laminations. The coil is connected to a power supply and can be energised by the power supply under control of a controller: A disk occluder of a magnetic material has diameter corresponding to the internal diameter of the tubular member. The occluder is disposed Within the tubular member and occludes the fluid flow when is positioned perpendicular to the longitudinal axis of the tubular member. The occluder rests on a supporting non-magnetic-member with at least one passageway for fluid flow.
    Type: Application
    Filed: April 22, 2010
    Publication date: April 12, 2012
    Inventor: Konstantin Shukhmin
  • Patent number: 8120454
    Abstract: An electromagnetic actuating device comprising an armature unit which can be moved along a longitudinal axis relative to a stationary core by passing a current through a coil device, said armature unit being designed to form or define a fluid flow channel, wherein the armature unit has at one end an axially elongate cylindrical section, to which an annular groove-shaped section of reduced outer diameter is connected in the direction of the longitudinal axis, wherein the fluid flow channel extends into the annular groove-shaped section, wherein the fluid flow channel runs through the elongate cylindrical section in the manner of a through-channel, in particular a through-bore, running obliquely with respect to the longitudinal axis, so that a first opening at the end side and/or an opposite second opening of the through-channel are provided outside the cylindrical outer wall of the elongate section.
    Type: Grant
    Filed: June 23, 2011
    Date of Patent: February 21, 2012
    Assignee: ETO Magnetic GmbH
    Inventor: Roland Stehle
  • Patent number: 8063726
    Abstract: An electromagnetic actuating device comprising an armature unit which can be moved along a longitudinal axis relative to a stationary core by passing a current through a coil device, said armature unit being designed to form or define a fluid flow channel, wherein the armature unit has at one end an axially elongate cylindrical section, to which an annular groove-shaped section of reduced outer diameter is connected in the direction of the longitudinal axis, wherein the fluid flow channel extends into the annular groove-shaped section, wherein the fluid flow channel runs through the elongate cylindrical section in the manner of a through-channel, in particular a through-bore, running obliquely with respect to the longitudinal axis, so that a first opening at the end side and/or an opposite second opening of the through-channel are provided outside the cylindrical outer wall of the elongate section.
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: November 22, 2011
    Assignee: ETO Magnetic GmbH
    Inventor: Roland Stehle
  • Patent number: 8050417
    Abstract: Auxiliary electromagnetic valve for its incorporation into a main valve of a gas servo valve, which comprises a body with an auxiliary outlet conduit connected to an outlet conduit of the servo valve, a pivoting arm that comprises a closure member of a valve seat of the auxiliary outlet conduit, a ferromagnetic armature that closes the magnetic circuit opening the valve seat, and a return means, supported by a plate, that returns the pivoting arm in order to keep the seating closed. The body is configured by means of a peripheral surface fitted to a cavity of the main valve, a lower surface supported against the cavity by means of fitting means, an intermediate transverse surface on which the valve seat is fitted, a transverse perimetral rim upon which the plate is fixed, and an auxiliary hole that connects the valve seat to the outlet conduit.
    Type: Grant
    Filed: January 14, 2008
    Date of Patent: November 1, 2011
    Assignee: Orkli S. Coop
    Inventors: José Maria Lasa, Mikel Arizmendi, Marcos Pablo