Patents Examined by Mary E McManmon
  • Patent number: 10443753
    Abstract: The invention relates to an actuator for a valve in a refrigeration system. The invention also relates to a valve with such actuator, and to a refrigeration system with such valve. The actuator comprises an elongated Shape Memory Alloy (SMA) element extending along two or more string-like extensions from a distant end to a proximate end in relation to a valve element of a valve. The SMA element, when forming part of the valve, may extend from the distant end to the proximate end connected to a housing of the SMA element, however, electrically insulated from the housing. An encapsulation may provide a thermal resistance, a thermal conductor and/or an electrical resistance between the SMA element and other elements or the surroundings of the SMA element.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: October 15, 2019
    Assignee: Danfoss A/S
    Inventors: Johan van Beek, Michael Birkelund
  • Patent number: 10431128
    Abstract: A pressure regulator for installing in a fluid flow system. The pressure regulator comprises a body and an identification device coupled to the body. The identification device has a first portion with first identification information and a second portion with second identification information. The second portion of the identification device is separated from the pressure regulator while the first portion of the identification device remains coupled to the pressure regulator. The second portion of the identification device is then affixed to a surface, such as a form.
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: October 1, 2019
    Assignee: MARSHALL EXCELSIOR CO.
    Inventor: Frederick W. Blanchard
  • Patent number: 10428794
    Abstract: A rotor of a wind turbine is disclosed with a pitch system locking arrangement to lock the position of a wind turbine rotor blade. A rotor comprises a rotor hub and a rotor blade, whereby the rotor blade is connected to the hub via a bearing, to be rotatable in respect to the hub in a pitch movement. The rotor blade comprises a root section, and the root section comprises a plate, that at least partially covers the cross section of the rotor blade. A certain predetermined rotational position of the rotor blade with respect to the hub is a locked position. The hub includes a locking pawl. The plate comprises an opening, and the locking pawl is at least partially located in the opening of the plate, when the rotor blade is in the locked position.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: October 1, 2019
    Assignee: Siemens Gamesa Renewable Energy A/S
    Inventors: Henning Ebbesen, Christian Laursen
  • Patent number: 10428618
    Abstract: Variable flow resistance systems can be used to regulate fluid flow in various applications, particularly within a subterranean formation. A variable flow resistance system can comprise a chamber configured to induce rotational motion of a fluid flowing therethrough, a fluid inlet coupled to the chamber, and a fluid outlet coupled to the chamber that allows the fluid to exit through at least a sidewall of the chamber. If desired, a plurality of the chambers can be connected in series fluid flow communication with one another.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: October 1, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Jason D. Dykstra, Michael L. Fripp
  • Patent number: 10415400
    Abstract: A method for manufacturing a blade (1) for a turbomachine, the blade having a hardfacing on its tip (4) and an erosion-protection coating (13) at least on its airfoil (3) is provided. Initially, a blade tip hardfacing is applied to the blade tip and, subsequently, a mask (10) is positioned in the region of the blade tip hardfacing, the mask covering the blade tip hardfacing, and, subsequently, the erosion-protection coating is deposited. The mask is removed after the erosion-protection coating is completed. A blade for a turbomachine, the blade having a hardfacing on its tip (4) and an erosion-protection coating (13) at least on its airfoil (3) is also provided. The erosion-protection coating at least partially covers the blade tip hardfacing, and the thickness of the erosion-protection coating decreases continuously in and/or toward the region of the blade tip hardfacing.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 17, 2019
    Assignee: MTU Aero Engines AG
    Inventors: Thomas Uihlein, Ralf Stolle
  • Patent number: 10415397
    Abstract: Ceramic matrix composite airfoils for gas turbine engines are provided. In an exemplary embodiment, an airfoil includes opposite pressure and suction sides extending radially along a span. The pressure and suction sides define an outer surface of the airfoil. The airfoil further includes opposite leading and trailing edges extending radially along the span, the pressure and suction sides extending axially between the leading and trailing edges. The airfoil also includes a filler pack defining the trailing edge; the filler pack comprises a ceramic matrix composite material. Moreover, the airfoil includes a plenum defined within the airfoil for receiving a flow of cooling fluid, and a cooling passage defined within the filler pack for directing the flow of cooling fluid from the plenum to the outer surface of the airfoil. Methods for forming airfoils for gas turbine engines also are provided.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: September 17, 2019
    Assignee: General Electric Company
    Inventor: Kirk Douglas Gallier
  • Patent number: 10416689
    Abstract: A pressure regulator including a housing including an inlet flow passage and an outlet flow passage; a plunger reciprocally mounted in the housing and including a plunger flow passage having an axis offset from an axis of the inlet flow passage, and a stationary valve seat fixed to the housing and positioned between the inlet flow passage and an inlet to the flow passage of the plunger, wherein the valve seat is configured to receive and abut the inlet to the flow passage of the plunger.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: September 17, 2019
    Assignee: NELSON IRRIGATION CORPORATION
    Inventors: Riley D. Greenwood, Craig B. Nelson
  • Patent number: 10415720
    Abstract: An automatic fill system includes a tank, a transfer hose, and a valve assembly. The valve assembly has a first end having an outlet orifice configured to be received within the tank. The valve assembly also includes a second end configured to be connected in fluid communication with the transfer hose with the second end having an inlet orifice. The valve assembly also includes at least one fluid passageway between the inlet orifice and the outlet orifice, and a check valve coupled to a spring and a seal. The seal is configured to be slidably moveable within a piston chamber. The valve assembly further includes a heating element located within a heating element chamber and configured to heat the valve assembly. Finally, the valve assembly includes a jet level sensor with a sensor inlet and a sensor outlet. The jet level sensor is in fluid communication with the piston chamber.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: September 17, 2019
    Assignee: AdelWiggins Group, a Division of TransDigm Inc.
    Inventors: Christopher Quang, Mark Silva
  • Patent number: 10415201
    Abstract: An opening/closing device according to the present invention includes a gate, a fall prevention unit, a support release unit, a first float, a floating prevention unit, a second float, and a floating prevention release unit. The gate receives a flow of fluid, and is able to fall down toward a downstream direction of the flow. The fall prevention unit supports the gate, thereby preventing the gate from falling down. The support release unit releases the support for the gate by the fall prevention unit. The first float is arranged on an upstream side of the gate, is arranged on one of the left side and the right side of the gate viewed from upstream, and is less in the specific gravity than the fluid. The floating prevention unit prevents the first float from floating.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: September 17, 2019
    Assignees: NIPPON KOEI CO., LTD., TOKYO METROPOLITAN SEWERAGE SERVICE CORPORATION, KANSEI COMPANY
    Inventors: Motonobu Ito, Tamotsu Kikuchi, Takato Aoyama, Takaaki Odate, Kenji Hasegawa, Osamu Igawa
  • Patent number: 10408364
    Abstract: The present invention relates to a valve drive for actuating a valve, including a lifting element which shifts upon an actuation of the valve, and a displacement sensor by means of which the position of the lifting element can be detected, characterized in that the displacement sensor includes an elastically deformable dielectric film which is provided with at least two electrodes, the film being deformed by an adjustment of the lifting element.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: September 10, 2019
    Assignee: BUERKERT WERKE GMBH
    Inventors: Manuel Kraft, Peter Krippner
  • Patent number: 10400911
    Abstract: The present disclosure relates to pressure relief and pressure regulating valves. More particularly, the disclosure relates to a miniature in-line fuel pressure regulator having a regulator body that includes a housing member and an adjusting member, a pin axially disposed within the regulator body, the pin including an upper end having a circumferential groove, a lower end having a fluid inlet, one or more fluid discharge ports, and a fluid passageway connecting the fluid inlet to the one or more fluid discharge ports, an elastomeric O-ring conformingly positioned within the circumferential groove on the upper end of the pin so that the elastomeric O-ring contacts the raised annular valve seat when the fluid pressure regulator is closed, and a biasing member coupled to the pin and configured to maintain the elastomeric O-ring in contact with the raised annular valve seat to control an opening pressure of the fluid pressure regulator.
    Type: Grant
    Filed: November 30, 2017
    Date of Patent: September 3, 2019
    Assignee: Sensata Technologies, Inc.
    Inventor: Major H. Gilbert
  • Patent number: 10393182
    Abstract: A plate segment for a reciprocating pump power end frame assembly, the power end frame assembly having a pair of end plate segments and at least one middle plate segment disposed between the end plate segments. The plate segment consists of the middle plate segment or one of the pair of end plate segments and includes a plate having a front wall, a rear wall, a top wall, a bottom wall and a pair of sidewalls and at least one opening forming a bearing support surface, the opening extending through the plate. The plate segment further includes at least one extension extending from at least one of the sidewalls of the plate at a position to align with and contact a corresponding extension on an adjacently positioned plate.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: August 27, 2019
    Assignee: S.P.M. Flow Control, Inc.
    Inventors: Joseph H. Byrne, Chandu Kumar, Kourosh Momenkhani, Jacob A. Bayyouk, Sean P. Moran, Donald Keith Plemons, William Walter Marshall, IV, Christopher P. Buckley
  • Patent number: 10385556
    Abstract: A flow limiter (1) for setting a maximum flow of water at an outlet from a mixing faucet, wherein the flow limiter in the axial direction comprises a seat (3 a, 3 b) which along its periphery is provided with an annular wall (8a, 8b) and has flow channels (7) arranged inside and along said wall (8a, 8b), an actuator (30, 50) which is rotatably arranged on the seat (3a, 3b), a regulating device (20a, 20b) in the form of a body with a circumferential envelope surface (22, 43) facing the inside of said annular wall (8a, 8b), wherein the actuator (30, 50) comprises means (34a, 34b) for moving the regulating device (20a, 20b) in the axial direction, and wherein an annular cavity is formed between walls formed by the envelope surface (22, 43) of the regulating device and the wall (8a, 8b) of the seat, in which annular cavity an O-ring (24) is arranged, wherein one of the walls (43, 8a) of the annular cavity has open axially extending grooves (9, 44) with a cross-section area increasing in the direction of flow, whe
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: August 20, 2019
    Assignee: NGL TEKNIK I LINKÖPING AB
    Inventors: Jacob Norling, Hans Nilsson
  • Patent number: 10385980
    Abstract: A valve assembly includes a first spool valve that directs fluid to a working object. The first spool valve has 5 ports. A second spool valve directs fluid to the exhaust. The second spool valve has 5 ports. The valve assembly has only 4 positions. The valve assembly can direct the working air through different ports to allow for different working objects to be actuated.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: August 20, 2019
    Assignee: ROSS EUROPA GMBH
    Inventors: Johannes Hartwig, An Vu Van
  • Patent number: 10385979
    Abstract: Arrangement for actuating shut-off valve with tapered plug, has housing in which hollow actuating cylinder is coaxially supported for rotation and with an actuating shaft aligned with the coaxial axis firmly attached. Output cylinder is coaxially arranged in hollow actuating cylinder. The output cylinder is movable relative to hollow drive cylinder axially and radially. Spindle is attached on output cylinder opposite actuating shaft and aligned with coaxial axis; tapered plug being fastened on end of spindle facing away from output cylinder. At least one radially outwardly directed pin is arranged on outer peripheral surface of output cylinder. Outer surfaces of housing and hollow actuating cylinder have each at least one guideway extending over radial sector of outer surfaces, with which pin is operatively connected as a respective sliding block. At least the guideway arranged in outer surface of hollow actuating cylinder is formed as a through-opening through which pin passes.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: August 20, 2019
    Assignee: MAGDEBURGER INDUSTRIEARMATUR-MANUFAKTUR GMBH
    Inventor: Michael Führer
  • Patent number: 10385991
    Abstract: Valve systems include at least one component comprising a conductive material and at least one inductance-to-digital converter (LDC) configured to wirelessly sense a position of at least a portion of the conductive material. The valve system is configured to determine at least one force applied to a portion of the valve system based at least partially on the position of the at least a portion of the conductive material. Methods of determining a force associated with a valve system include wirelessly sensing a position of at least a portion of the conductive material with the at least one inductance-to-digital converter (LDC) sensor and determining a force applied to a portion of the valve system based at least partially on the position of the at least a portion of the conductive material.
    Type: Grant
    Filed: September 15, 2014
    Date of Patent: August 20, 2019
    Assignee: Flowserve Management Company
    Inventor: William T. Dolenti
  • Patent number: 10364908
    Abstract: The invention relates to a method for producing a central housing part (1) of a high-pressure slide gate valve from high-temperature steel, in the case of which two die-forged central-housing-part half-shells (1a, 1b) with forged-on connectors (4a, 4b) are welded to one another, using electron-beam welding without any welding filler material, by a butt weld seam (2), which runs in a plane (3) which runs transversely to the connectors (4a, 4b) and subdivides the central housing part (1).
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: July 30, 2019
    Assignee: STAHL-ARMATUREN PERSTA Gesellschaft mit beschraenkter Haftung
    Inventors: Klaus Westerwell, Elmar Floer
  • Patent number: 10366797
    Abstract: Disclosed are a system and method for preventing and monitoring a leakage of water from a tank liner at a storage tank having: a concrete reservoir; the tank liner made up of a wall liner that is formed by coupling a plurality of first panels and is attached to an inner wall of the concrete reservoir, and a floor liner that is formed by coupling a plurality of second panels, is attached to a floor of the concrete reservoir, and is coupled to the wall liner by welding; a leaking water collecting plate formed by welding a plurality of third panels and inserted between the floor liner and the floor of the concrete reservoir; and an edge leaking water collecting channel buried in an edge of the storage tank and configured to collect leaking water discharged between the floor liner and the leaking water collecting plate.
    Type: Grant
    Filed: November 11, 2016
    Date of Patent: July 30, 2019
    Assignee: Korea Atomic Energy Research Institute
    Inventors: Jong Min Lee, Byung Ho Kwak, Un-Soo Jung, Jeong-Soo Ryu
  • Patent number: 10352492
    Abstract: Provided is a coupling device including a cylindrical housing portion, a valve portion that turns into an open state by contact with the plug device, a bellows portion having therein an expandable and contractible supply passage for supplying incompressible fluid from the plug device to a supply tube, a moving portion being movable to be brought into contact with or distanced from the plug device fitted inside one end side of the housing portion, a first pressure chamber generating a biasing force in a direction to distance the moving portion from the plug device and contract the bellows portion, and a safety valve for discharging the incompressible fluid within the supply passage to the outside when the incompressible fluid within the supply passage reaches or exceeds a predetermined level.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: July 16, 2019
    Assignee: SURPASS INDUSTRY CO., LTD.
    Inventor: Masahiro Hasunuma
  • Patent number: 10323760
    Abstract: A valve assembly configured for use with an inflatable product, such as a mattress, chair, pool, spa, float, or another suitable inflatable product. The valve assembly includes a first valve component that serves as an opening for inflation and/or deflation of the inflatable product, and a second valve component that serves as an opening for deflation or decompression of the inflatable product.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: June 18, 2019
    Assignee: Intex Marketing Ltd.
    Inventors: Hua Hsiang Lin, Yaw Yuan Hsu