Involving Pressure Control Patents (Class 137/14)
  • Patent number: 11003806
    Abstract: A computing device for determining effective flow areas of a turbine or turbine engine includes optically scanning and digital modeling of turbine components to produce virtual vanes, virtual vane segments, and virtual ring assemblies. The computing device determines both individual effective flow areas between vanes and the total effective flow area of a vane ring assembly. Based on the virtual vanes and determined effective flow areas, the computing device may compare one or more turbine components to a reference turbine to determine whether the turbine is out of specification and aid in repair, modification, or reassembly of the turbine or turbine engine.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 11, 2021
    Assignee: Rolls-Royce Engine Services Oakland, Inc.
    Inventor: Bradley W. Burkett
  • Patent number: 10989329
    Abstract: Fluid flow control devices comprise a body including a central aperture extending along a longitudinal axis therethrough and a plurality of channels extending from an outer sidewall of the body to an inner sidewall of the body. At least one first channel may intersect at least one other channel. Fluid flow control systems, methods of forming fluid flow control devices, and methods of flowing a fluid through a fluid flow control device are also disclosed.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: April 27, 2021
    Assignee: Flowserve Management Company
    Inventors: Bradford Haines, Gifford Decker, Mark Haehl
  • Patent number: 10988889
    Abstract: An additive dispenser of a washing appliance is provided herein. The additive dispenser may include a water inlet and a drawer frame. The water inlet may be positioned upstream from a wash chamber. The drawer frame may define a compartment to receive an additive pod. The compartment may be positioned in downstream fluid communication with the water inlet. The drawer frame may include a sidewall at least partially enclosing the compartment.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: April 27, 2021
    Assignee: Haier US Appliance Solutions, Inc.
    Inventors: Peter Hans Bensel, Karlarrious Dawain Donar, Jr.
  • Patent number: 10962994
    Abstract: Provided is a pressure control method for a high-pressure regulator to prevent internal leak, and the high-pressure shut-off valve so as to minimize an internal leak, due to high-pressure gas remaining in a high-pressure fuel line when a valve of a gas storage tank is shut off, caused by a pressure difference between a front end portion and a rear end portion of the high-pressure regulator introducing or discharging high-pressure gas. Accordingly, the convenience for connecting work is provided, the high safety is ensured, and the high-pressure regulator is used with the high reliability.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: March 30, 2021
    Assignee: MOTONIC CORPORATION
    Inventors: Wan Jae Jeon, Jun Hyeok Lee, Jae Kyung Kim, Yong Deok Park, Gu Ho Kim, Jae Kwang Kim, Yeong Dong Park, Yong Heon Kang
  • Patent number: 10921827
    Abstract: Disclosed herein is an apparatus for controlling a flow rate of a gas including a flow restriction element configured to restrict a flow rate of a gas; a pressure regulator coupled to an inlet of the flow restriction element, wherein the pressure regulator is configured to control a pressure of the gas between the pressure regulator and the flow restriction element; a flow meter coupled to an outlet of the flow restriction element, wherein the flow meter is configured to measure the flow rate of the gas at an outlet of the flow restriction element; and a controller operatively coupled to the pressure regulator and the flow meter, wherein the controller is to receive a measurement of the flow rate by the flow meter, determine a pressure setting associated with a target flow rate, and cause the pressure regulator to have the pressure setting.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: February 16, 2021
    Assignee: Applied Materials, Inc.
    Inventors: Ming Xu, Kenneth Le, Ashley M. Okada
  • Patent number: 10921253
    Abstract: An apparatus to evaluate a stability of a luminescent material includes an electrochemical cell that includes a sample including a solvent and the luminescent material mixed in the solvent, a voltage application device that applies a constant voltage to the sample, a light source that irradiates a source light to the sample, and a photoluminescence measuring device that measures a luminescence spectrum of an emission light generated by the luminescent material.
    Type: Grant
    Filed: May 9, 2019
    Date of Patent: February 16, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Yoonkyoo Lee, Taekyung Kim, Daeyup Shin
  • Patent number: 10906756
    Abstract: Four groups of a three-tier arrangement of processing units, each of the processing units being provided with two processing modules and a load lock module, are provided in the front and rear sides along a Y-guide extending rearward when viewed from an EFEM and in the left and right sides of the Y-guide. An exchange of a substrate between a delivery mechanism on the EFEM side and a substrate transfer mechanism on the processing unit side is performed by a substrate loading part, which is movable along the Y-guide and can move upward and downward, and on which a plurality of wafers can be placed in a shelf-like manner.
    Type: Grant
    Filed: January 21, 2019
    Date of Patent: February 2, 2021
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Shinji Wakabayashi, Keisuke Kondoh
  • Patent number: 10859172
    Abstract: A switching valve is constructed such that a rotor is rotatably provided inside a body and a cover member is provided with respect to the body so as to face a table part of the rotor. A gap having a prescribed interval is provided between an upper surface of the table part and the cover member, and a valve body biased toward the cover member side is provided to the table part. When rotating, the rotor does not slide on the bottom surface of the cover member, and leakage of a liquid from an inlet port is prevented due to the valve body seated on and closing an outlet port that is not the outlet port which is provided to the cover member so as to cause the liquid to be outputted therethrough.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: December 8, 2020
    Assignee: SMC CORPORATION
    Inventors: Yoshitada Doi, Takamitsu Suzuki, Mario Heitmann
  • Patent number: 10844691
    Abstract: An adjustable and fixed inflow control device is provided. According to one embodiment, the adjustable inflow control device comprises a set of flow path walls defining a flow path that extends from an inlet to an outlet. The inlet may be open to the outer surface of a tubular and the outlet may be fluidly connected to an inner diameter of the tubular. The flow path may be adapted to control flow of fluid between the outlet and the inlet. The inflow control device further comprises a movable regulator that is movable to alter the flow path. The movable regulator may be movable between a number of positions. The inflow control device may be modular.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: November 24, 2020
    Inventors: Ronald Van Petegem, John Lee Emerson
  • Patent number: 10837340
    Abstract: A method for operating a feed module of an SCR catalytic converter system which has a feed pump, a feedback pump and a hydraulic interface channel. The feed module is operated in a test state in which a feed operation of the feed pump takes place and a feed operation of the feedback pump does not take place. Owing to a time profile of an MSP current (IMSP) of the feed pump it is decided in the test state whether the feed module is to change into a thawing state.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: November 17, 2020
    Assignee: Robert Bosch GmbH
    Inventor: Rohit Joshi
  • Patent number: 10830364
    Abstract: A valve body comprises an inner compartment extending along a longitudinal axis from a second end portion towards a first end portion. First, second, and third fluid ports in to the valve body are perpendicular to the longitudinal axis. The second fluid port is between the third and the first fluid port. A fourth fluid port is parallel to the longitudinal axis. A spool is configured to selectively reciprocate in the inner compartment. The spool comprises a first fluid receptacle configured to block fluid flow to the third fluid port and to fluidly communicate with the second fluid port when the spool adjoins the first end portion. The first fluid receptacle is configured to fluidly communicate with the second fluid port and with the third fluid port when the spool adjoins the second end portion. A second fluid receptacle is configured to receive fluid pressure from the fourth fluid port.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 10, 2020
    Assignee: Eaton Intelligent Power Limited
    Inventors: Robert John Kanda, Todd K. Coulter, Daniel William Bamber
  • Patent number: 10801916
    Abstract: A water leakage detection apparatus includes a pressure sensor, a detecting unit, and an actuator. The pressure sensor is disposed in a water pipe. The detecting unit detects water leakage based on sensor signals from the pressure sensor. The actuator is controlled by the detecting unit, and opens and closes an electromagnetic valve that is disposed in the water pipe. The detecting unit samples the sensor signals in a state in which the water pipe is closed by the electromagnetic valve, and performs a water leakage determination for detecting water leakage based on the sampled sensor signals.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: October 13, 2020
    Assignee: DENSO WAVE INCORPORATED
    Inventor: Hironobu Ando
  • Patent number: 10799083
    Abstract: An information processing method performed with a processor includes determining whether a second dispensing amount of detergent to be dispensed in a washing apparatus in a scheduled first washing event falls below a threshold based on a remaining amount of the detergent in a detergent container of the washing apparatus and a first dispensing amount set for one washing event for washing a washing target, changing a third dispensing amount determined based on the first dispensing amount to be dispensed into the washing apparatus in a second washing event preceding the first washing event to a fourth dispensing amount equaling or exceeding the threshold when the second dispensing amount is determined to fall below the threshold, outputting information representing the fourth dispensing amount, and causing the washing apparatus to dispense the fourth dispensing amount of the detergent in the second washing event.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: October 13, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masafumi Okubo, Hiroko Sugimoto, Mariko Nakaso, Tomohiko Kitamura
  • Patent number: 10717064
    Abstract: An evaporator comprising an evaporator body (3) surrounded by an evaporator housing (5), wherein the evaporator housing (5) is provided with a feed line (1) for feeding a liquid into the evaporator housing (5) and with an outlet (6) for emitting any vapour produced, wherein the evaporator body (3) comprises a multiplicity of plates (7) which are arranged in a planar manner one above another, wherein a void (8) is formed in each case between adjacent plates (7), wherein each of the voids (8) is fluidically connected to the outlet, wherein a liquid distributor is interconnected between the feed line (1) and the evaporator body (3), wherein the liquid distributor branches off from the feed line (1) in the direction of the evaporator body (3) in at least two distributor lines (VR), and wherein each distributor line (VR) is connected to at least one void (8).
    Type: Grant
    Filed: February 20, 2018
    Date of Patent: July 21, 2020
    Assignee: DIEHL AEROSPACE GMBH
    Inventors: David Tiemann, Karl-Peter Schelhaas
  • Patent number: 10711909
    Abstract: A target opening degree estimator estimates a target opening degree estimation value as an opening degree of a valve element of a pressure adjustment vacuum valve when a pressure of a vacuum chamber connected to the pressure adjustment vacuum valve reaches a pressure adjustment target pressure based on a correlation between the opening degree of the valve element and the pressure of the vacuum chamber, a current opening degree, and a current pressure.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 14, 2020
    Assignee: Shimadzu Corporation
    Inventor: Junichiro Kozaki
  • Patent number: 10711913
    Abstract: A method is for activating an electromagnetic valve including a valve seat and a valve body. The valve body is movable between a first and the second position (A, B) via an electric drive coil. The drive coil is connected to a control device which as a function of a setting variable (S) energizes the drive coil with a signal sequence consisting of control signals in order to move the valve body. The control device as a function of the setting variable (S) sets a predetermined signal amplitude and/or a predetermined signal duration of the control signals. It is provided that at least one control signal of the signal sequence is formed with an amplitude superelevated above the predetermined signal amplitude and/or with a signal duration extended beyond the predetermined signal duration.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: July 14, 2020
    Assignee: Andreas Stihl AG & Co. KG
    Inventors: Michael Schneider, Felix Mayer, Tobias Deigendesch, Sebastian Hanussek
  • Patent number: 10688455
    Abstract: An apparatus for mixing a first fluid into a flow path of a second fluid, the apparatus comprising: a chamber enclosing the flow path, the chamber including a second fluid first inlet for receiving its respective fluid. The apparatus also includes a second inlet arranged downstream of the first inlet and receiving the first fluid, as well as an outlet arranged downstream of the second inlet for discharging a mixture of the first fluid and the second fluid. The second inlet flows into the flow path and is formed by a shared fluid injector mounted transverse to the axial direction that one fluid and the two fluid flows through its chamber. The flow path includes two respective throttle bodies, each of which is pivotally arranged inside the chamber and attached to opposed sides of the chamber for controlling the flow area of the flow path.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: June 23, 2020
    Assignee: ANDRITZ AKTIEBOLAG
    Inventors: Åsa Magnusson, Axel Lämås, Johanna Brännström, Anders Lindström
  • Patent number: 10670163
    Abstract: An electrically-controlled large-capacity proportional valve includes, in the inside thereof, a depressurization chamber, which is connected to a guide hole channel, a sensor channel, and a discharge channel. The depressurization chamber is provided therein with a main diaphragm having a reversal prevention valve for driving a primary shaft and a secondary shaft to move. Through detection conducted in the sensor channel, when a pressure is low, the main diaphragm drives downward the primary shaft to push the secondary shaft, so that the secondary shaft causes a valve gate opening to carry out adjustment through two stages of displacement for controlling fluid flow rate after opening of the valve gate opening. At this moment, the primary-side pressure enters an output port of a valve seat the outlet port to increase a secondary-side pressure so as to accurately regulate an output of the secondary-side pressure.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: June 2, 2020
    Assignee: TAIWAN CHELIC CO., LTD.
    Inventors: Ping-Cheng Yu, Chih-Sheng Cheng
  • Patent number: 10663336
    Abstract: A processing chamber gas detection system is provided, including a chamber, an exhaust pipe, a connection pipe, and a gas detector. The chamber is configured to perform a chemical vapor deposition (CVD) process. The exhaust pipe is connected to the chamber and the pumping unit, and the connecting pipe communicates with the exhaust pipe. The gas detector is disposed on the connecting pipe and configured to detect the oxygen content in the air from the chamber. When the air in the chamber is pumped out via the pumping unit and the air flows through the exhaust pipe and the connecting pipe, the gas detector detects whether oxygen is contained in the air or not.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: May 26, 2020
    Assignee: WINBOND ELECTRONICS CORP.
    Inventors: Chi-We Cheng, Pei-Yu Chen
  • Patent number: 10655317
    Abstract: Method for controlling a vacuum sewage system for a building or for a marine vessel, which includes a vacuum unit (11), vacuum piping (7), a source of sewage (91, 92, 93, 94), and a discharge valve (8) between each source of sewage and the vacuum piping, wherein the vacuum unit generates a predetermined vacuum level in the vacuum piping, in which method the operation of the vacuum sewage system is monitored. In order to ensure an efficiently operating vacuum sewage system, the running time of the vacuum unit is monitored and the vacuum level of the vacuum piping is monitored.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: May 19, 2020
    Assignee: EVAC OY
    Inventors: Vesa Lappalainen, Mika Karjalainen
  • Patent number: 10648618
    Abstract: A fuel gas filling system detects at least one of a pressure of fuel gas supplied from a filling device and a temperature of the fuel gas in a fuel tank of a vehicle and determines whether or not there is a gas state fluctuation in which the pressure or temperature of the fuel gas suddenly changes. The fuel gas filling system executes either one of a first filling control of filling the fuel gas into the vehicle on the basis of at least one of the fuel gas pressure and the fuel gas temperature and a second filling control according to the gas state fluctuation. This system executes the first filling control in normal time and executes the second filling control of filling the fuel gas without using a fuel gas pressure detected by fuel gas state detection unit or the second filling control of filling the fuel gas without using a fuel gas temperature detected by the fuel gas state detection unit when it is determined by gas state fluctuation determination unit that there is the gas state fluctuation.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: May 12, 2020
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Hiroshi Uchida, Tomofumi Yoshinaga
  • Patent number: 10611562
    Abstract: According an embodiment, a liquid storage system comprises a tank for storing liquid fuel, a vent pipe for providing communication between outside of the tank and a gas space above a level of liquid fuel in the tank, a nonflammable gas supplying apparatus for supplying the gas space with nonflammable gases, a pressure control apparatus installed in the vent pipe to operate responsively to the pressure difference between the gas space and atmospheric pressure so as to limit a pressure in the gas space to a predetermined range. The pressure control apparatus introduces ambient air outside the tank into the gas space through the vent pipe when a pressure in the gas space is lower than a predetermined lower limit, and discharge a gas from the gas space out of the tank through the vent pipe when a pressure in the gas space is higher than a predetermined upper limit.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: April 7, 2020
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Energy Systems & Solutions Corporation
    Inventor: Yohei Inada
  • Patent number: 10599166
    Abstract: A valve control device configured such that a pressure measurement value of a chamber, a target pressure value of the chamber, and an opening degree measurement value of the vacuum valve are input to the valve control device and configured to control an opening degree of the vacuum valve based on a deviation between the pressure measurement value and the target pressure value, comprises: a storage storing a correlation between the opening degree of the vacuum valve and a conductance of a system including the vacuum valve; and a correction gain setting section obtaining, based on the correlation, a change rate of the conductance in association with an opening degree change at the input opening degree measurement value, thereby setting an inverse of the change rate as a correction gain. The opening degree of the vacuum valve is controlled based on the deviation and the correction gain.
    Type: Grant
    Filed: January 6, 2018
    Date of Patent: March 24, 2020
    Assignee: Shimadzu Corporation
    Inventors: Nobuyuki Hirata, Junichiro Kozaki, Atsuo Nakatani, Masaya Nakamura
  • Patent number: 10590967
    Abstract: There is disclosed a unidirectional liquid transport system. The system, or a liquid diode, has an array of elongate units. Each unit is defined by a surrounding fencing, and includes a region generally resembling a U-shaped micro-scale island with a proximal end on one side having an opening and a distal end on the opposite side thereof. A channel is defined between a lateral side of the island and an adjacent fencing thereof, and the channel is divergent from the proximal end towards the distal location on the opposite side thereof. The island includes a reentrant member configured to, upon contact with droplets of a liquid to be transported, initially arrest flow of the liquid and produce a pinning acting to allow building up of excess surface energy, and subsequently cause coalescence of the liquid thus converting the surface energy to kinetic energy for movement of the liquid; and surfaces of the units are fabricated on silicon wafer.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 17, 2020
    Assignee: CITY UNIVERSITY OF HONG KONG
    Inventors: Zuankai Wang, Jiaqian Li, Xiaofeng Zhou
  • Patent number: 10578065
    Abstract: A two-stage intake and two-stage discharge structure of an electrically controlled proportional valve includes a depressurization chamber, which is connected with a guide hole passage, a sensing passage, and a discharge passage. The depressurization chamber is provided therein with a primary diaphragm that drives causes a straight rod having a primary entry opening and a secondary entry opening to move. Through detection conducted in the sensing passage, when the pressure is excessively low, the primary diaphragm moves the straight rod downward to carry out a first stage adjustment, in which the discharge electromagnetic valve is operable to adjust the secondary side pressure for control of depressurization. When the primary diaphragm moves the straight rod further downward to carry out a second stage of pressure output, the secondary entry opening is open to enable a large amount of pressure output.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: March 3, 2020
    Assignee: TAIWAN CHELIC CO., LTD.
    Inventors: Ping-Cheng Yu, Chih-Sheng Cheng
  • Patent number: 10563675
    Abstract: A servovalve includes a fluid transfer valve assembly comprising a supply port and a control port a moveable valve spool arranged to regulate flow of fluid from the supply port to the control port in response to a control signal; and a jet pipe assembly configured to direct fluid to the ends of the spool to axially move the valve spool relative to the fluid transfer assembly in response to the control signal to regulate the fluid flow. The jet pipe assembly includes a jet pipe and a connector header fluidly connecting the jet pipe to a nozzle via which fluid is directed to the spool ends. One or more openings is provided in the spool such that fluid from the supply port flows into the interior of the spool and into the jet pipe and to the nozzle via the connector header.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: February 18, 2020
    Assignee: HAMILTON SUNDSTRAND CORPORATION
    Inventor: Marcin Cis
  • Patent number: 10495260
    Abstract: A safety valve system includes a main valve that includes an introduction port into which pressure from a tank is introduced, and a release port to release the pressure; a high-pressure side pilot valve and a low-pressure side pilot valve that are set to mutually different operating pressure values and that release pressure by making the introduction port and the release port communicate with each other when the pressure exceeds the operating pressure value; and a switching unit that switches so that only the low-pressure side pilot valves, which excludes the high-pressure side pilot valve with the highest operating pressure value, do not operate.
    Type: Grant
    Filed: May 30, 2016
    Date of Patent: December 3, 2019
    Assignee: MITSUBISHI SHIPBUILDING CO., LTD.
    Inventor: Toshinori Ishida
  • Patent number: 10487961
    Abstract: A control valve has a trim assembly to condition the flow of fluid through the control valve and, in some applications, to provide guidance for a valve plug. The trim assembly has a lattice structure formed of a plurality of triply periodic surfaces that form a plurality of passages that extend between an inner surface of the circumferential wall and an outer surface of the circumferential wall.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: November 26, 2019
    Assignee: FISHER CONTROLS INTERNATIONAL LLC
    Inventors: Daniel J. Eilers, Kyle Thomas McNulty
  • Patent number: 10428972
    Abstract: A gas valve assembly configured to operate without a pilot assembly is disclosed. In an illustrative embodiment, a servo valve actuates a diaphragm valve to selectively allow for fluid coupling of a gas inlet and gas outlet. The diaphragm valve may be a normally closed valve that opens in response to a pneumatic force resulting from the opening of the servo valve.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: October 1, 2019
    Assignee: Ademco Inc.
    Inventors: Frederick Hazzard, David Heil, Ravindra Khosla
  • Patent number: 10420924
    Abstract: A connector device for a fluid system for medical purposes is disclosed that includes a main housing having a fluid flow chamber forming two channel portions leading in different directions towards two open attachments, wherein the attachments are provided for connection to a fluid line or a fluid reservoir, and with an attachment port which opens into the fluid flow chamber and which has a closure arrangement and which includes a Luer connecting portion. The fluid flow chamber has a dimensionally stable flow-guiding wall which is arranged between the two channel portions in the fluid flow chamber and protrudes freely with a front edge towards the attachment port in such a way that the closure arrangement, upon opening of the closure arrangement, interacts with the front edge of the flow-guiding wall in order to effect flow of fluid out of the attachment port into only one channel portion.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: September 24, 2019
    Assignee: B. Braun Melsungen AG
    Inventors: Johannes Bolz, Jens Jörn, Andreas Katerkamp
  • Patent number: 10386861
    Abstract: A pressure type flow control system with flow monitoring includes an inlet, a control valve including a pressure flow control unit connected downstream of the inlet, a thermal flow sensor connected downstream of the control valve, an orifice installed on a fluid passage communicatively connected downstream of the thermal flow sensor, a temperature sensor provided near the fluid passage between the control valve and orifice, a pressure sensor provided for the fluid passage between the control valve and orifice, an outlet communicatively connected to the orifice, and a control unit including a pressure type flow rate arithmetic and control unit receiving a pressure signal from the pressure sensor and a temperature signal from the temperature sensor, and a flow sensor control unit to which a flow rate signal from the thermal flow sensor is input.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: August 20, 2019
    Assignee: Fujikin Incorporated
    Inventors: Kaoru Hirata, Ryousuke Dohi, Kouji Nishino, Nobukazu Ikeda, Katsuyuki Sugita
  • Patent number: 10363730
    Abstract: Recoaters are described which are adapted for use in powder-layer three-dimensional printers. The recoaters comprise a mesh discharge device that is adapted to be selectively activated by the application of an agitation, e.g. a vibration. Such mesh discharge devices include a planar mesh, i.e. a screen or sieve, which is adapted to support a quantity of powder when the quantity of powder and the mesh are static and to dispense at least a portion of the quantity of powder when at least one of the quantity of powder and the mesh is agitated. Preferably, the mesh is disposed substantially horizontally, but may be disposed at an angle to the horizontal. Also described are powder-layer three-dimensional printers comprising such recoaters. In some embodiments, the powder-layer three-dimensional printers are adapted to space the mesh no more than about two to ten powder layer thicknesses from the top surface of the powder bed or substrate upon which a powder layer is to be deposited.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: July 30, 2019
    Assignee: The ExOne Company
    Inventors: Andrew P. Klein, Lawrence J. Voss, Anthony S. Dugan, Michael R. Orner, Thomas Lizzi
  • Patent number: 10364809
    Abstract: An observed operational state can include an operational state of one or more system devices. A sensor can emit, in response to a detected observable condition reflective of a given operational state, a simulated signal reflective of a different operational state as a proxy for the detected condition. A controller receiving such a proxy signal can, at least partially responsively to the proxy signal, issue a command corresponding to the given operational state. For example, a leak detector can emit in response to a detected leak, or a flow-rate sensor can emit in response to a detected flow-rate of a liquid, a simulated fan-speed tachometer signal representative of a selected fan speed. At least partially in response to observing a simulated tachometer signal, a controller can issue a system command corresponding to an underlying system condition for which the simulated tachometer signal is a proxy.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: July 30, 2019
    Assignee: CoolIT Systems, Inc.
    Inventors: Geoff Sean Lyon, Mike Holden
  • Patent number: 10352634
    Abstract: A cooling apparatus for power electronic devices having at least one cooling body comprised of a cooling plate in contact with at least one power electronic component, and having a coolant line which leads through the cooling plate, wherein a device is provided for determining the flow quantity. The coolant line has a cross-sectional tapering in the cooling plate, with at least two measurement ports for connecting a differential pressure gauge for measuring a pressure difference at the two ports, wherein one is downstream of the cross-sectional tapering at the cooling plate. The flow determination device comprises an evaluation device for determining the flow quantity from the measured pressure difference. The cross-sectional tapering is configured as a venturi element, wherein the constriction is tapped after the tapering and the wide point is tapped before the tapering with a measurement port to determine the pressure difference adopted over the venturi nozzle.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: July 16, 2019
    Assignee: Liebherr-Components Biberach GmbH
    Inventor: Wolfgang Schuster
  • Patent number: 10316753
    Abstract: Pre-cooler inlet ducts that utilize active flow-control and systems and methods including the same are disclosed herein. The systems include a pre-cooler inlet duct for a jet engine that is configured to receive a pre-cooler air stream and to direct the pre-cooler air stream into a heat exchanger. The pre-cooler inlet duct includes a flow-directing surface, which defines at least a portion of the pre-cooler inlet duct, and an active flow-control device. The active flow-control device is located to modify a boundary layer fluid flow within a boundary layer adjacent the flow-directing surface to resist separation of the boundary layer from the flow-directing surface when the pre-cooler air stream flows through the pre-cooler inlet duct. The methods include methods of resisting boundary layer separation in the pre-cooler inlet duct by flowing the pre-cooler air stream across the flow-directing surface and modifying the boundary layer with the active flow-control device.
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: June 11, 2019
    Assignee: The Boeing Company
    Inventors: Nathan O. Packard, Robert H. Willie, Paul R. Tretow
  • Patent number: 10308506
    Abstract: A MEMS device comprises an electro mechanical element in a sealed chamber containing a gas comprising a reactive gas selected to react with any contaminants that may be present or formed on the operating surfaces of the device in a manner to maximize the electrical conductivity of the surfaces during operation of the device. The MEMS device may comprise a MEMS switch having electrical contacts as the operating surfaces. The reactive gas may comprise hydrogen or an azane, optionally mixed with an inert gas, or any combination of the gases. The corresponding process provides a means to substantially reduce or eliminate contaminants present or formed on the operating surfaces of MEMS devices in a manner to maximize the electrical conductivity of the surfaces during operation of the devices.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: June 4, 2019
    Assignee: International Business Machines Corporation
    Inventors: John M. Cotte, Nils D. Hoivik, Christopher V. Jahnes
  • Patent number: 10309082
    Abstract: A fluid flow system comprising a supply line, a fluid control unit and at least one end user; wherein fluid flow through the system is facilitated only upon a certified verification signal generated by the end-user and certifying said verification signal by the fluid control unit.
    Type: Grant
    Filed: March 8, 2015
    Date of Patent: June 4, 2019
    Assignee: WINT-WI LTD.
    Inventors: Shay Ravid, Alon Gal, Lior Hertz
  • Patent number: 10295432
    Abstract: A gas injector apparatus and method for use with a tracer gas airflow measurement system that allows for large, continuous tracer gas flow rates while avoiding operation at very cold temperatures that will damage equipment. The controlled and variable heating of high pressure tracer gas flow before a gas regulator allows all points in the system to remain above freezing, and within a safe temperature range. The system has a tracer gas source and a heater that heats the gas isobarically at high pressure (>100 psi) and the hot gas is expanded across a pressure regulator to a lower working pressure to ˜30 psi. The gas flow is modulated using a mass flow controller with a high turndown ratio and injected into a bulk fluid flow with an injector.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: May 21, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Jonathan Woolley, Mark Modera, Caton Mande
  • Patent number: 10294782
    Abstract: An example method includes providing fluid communication between an internal bore of a drill string and an annulus between the drill string and a borehole through a fluid channel in a side of a collar coupled to the drill string. Fluid may be circulated through the internal bore of the drill string. A fluid telemetry signal may be generated by selectively generating a vortex within the fluid channel. Providing fluid communication between the internal bore and the annulus through the fluid channel may include providing fluid communication between the internal bore and a vortex basin at least partially defining the fluid channel, through at least one of a first fluid flow path and a second fluid flow path between the vortex basin and the internal bore; and providing fluid communication between the vortex basin and the annulus through a fluid outlet of the vortex basin.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: May 21, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Zachary Ryan Murphree, Frederic Felten, Thomas Jules Frosell, Michael Linley Fripp, Vimal Shah
  • Patent number: 10274103
    Abstract: An electro-pneumatic actuator, such as a positioner or an I/P transducer array, for a field device of a processing plant, such as a brewery, a petrochemical plant or the like, can include a pneumatically operated display configured to visually and/or acoustically display at least one field device-specific operating information. The information can include a drive or valve position, or a regulating variable. The electro-pneumatic actuator can be configured to output at least one pneumatic drive actuating signal to a pneumatic drive so as to set a final controlling device, such as a control valve, of the field device. The electro-pneumatic actuator can be configured to output at least one pneumatic display actuating signal to the pneumatically operated display, which can differ from the pneumatic drive actuating signal.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: April 30, 2019
    Assignee: SAMSON AKTIENGESELLSCHAFT
    Inventor: Harald Kah
  • Patent number: 10267306
    Abstract: A pump intake pressure control apparatus includes an intake conduit joining a pump to either a pressurized or unpressurized liquid source, a wide-range flow controller configured to control the flow of liquid through the intake conduit, pressure sensors for detecting the pressure of the liquid in the intake conduit upstream and downstream of the flow controller, and an electronic master controller programmed to receive input from the pressure sensors and to actuate the wide-range flow controller to maintain the pressure downstream of the wide-range flow controller at or below a predetermined desired value. In one embodiment of the invention, the wide-range flow controller is a branched portion of the intake conduit having a valve in each branch. In another embodiment of the invention, the flow controller is a gate valve having a stationary triangular blocking member projecting into the passage between the inlet and outlet ports of the valve.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: April 23, 2019
    Inventor: John E. McLoughlin
  • Patent number: 10214991
    Abstract: An adjustable and fixed inflow control device is provided. According to one embodiment, the adjustable inflow control device comprises a set of flow path walls defining a flow path that extends from an inlet to an outlet. The inlet may be open to the outer surface of a tubular and the outlet may be fluidly connected to an inner diameter of the tubular. The flow path may be adapted to control flow of fluid between the outlet and the inlet. The inflow control device further comprises a movable regulator that is movable to alter the flow path. The movable regulator may be movable between a number of positions. The inflow control device may be modular.
    Type: Grant
    Filed: August 12, 2016
    Date of Patent: February 26, 2019
    Inventors: Ronald van Petegem, John Lee Emerson
  • Patent number: 10199912
    Abstract: A torque motor has a mechanical reference member, an armature, and a field assembly. The field assembly includes field pole pieces defining a pole opening, and the armature is mounted to the mechanical reference member for rotation about a motor axis and extends into the pole opening with respective gaps to the field pole pieces. The field assembly is secured to the mechanical reference member and spaced therefrom by elastically deformable flexures, deformed sufficiently to locate the armature at a predetermined position within the pole openings with corresponding lengths of the gaps. During manufacture, a load can be applied to move the field assembly relative to the mechanical reference member against the deformation force of the flexures to locate the pole opening relative to the armature pole piece such that the gaps of desired lengths are formed.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: February 5, 2019
    Assignee: Woodward HRT, Inc.
    Inventors: Stephen J. Tranovich, Kumaraguru Poonamalli Palani
  • Patent number: 10167822
    Abstract: Embodiments are disclosed that relate to refueling a dual fuel internal combustion engine. In one example, a method comprises supplying a liquid fuel to a fuel tank configured to store both the liquid fuel and a gaseous fuel, if a pressure in the fuel tank is less than a threshold pressure.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: January 1, 2019
    Assignee: Ford Global Technologies, LLC
    Inventor: Mark Allen Dearth
  • Patent number: 10167978
    Abstract: A displacement control valve includes a valve housing, a valve element fitted in a guide passage of the valve housing, and a solenoid for driving the valve element to open and close it, a tapered portion is provided at one of an outer peripheral surface of the valve element and a guide surface of the guide passage, and a spiral groove is provided in the other, wherein the tapered portion is set such that a gap between the valve element and the guide passage is larger toward the low-pressure side than on the high-pressure side, and the tapered portion and the spiral groove are provided such that a starting point of the tapered portion is located within the region of the spiral groove in the entire range between the starting point and the ending point of the stroke of the valve element.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: January 1, 2019
    Assignee: EAGLE INDUSTRY CO., LTD.
    Inventors: Masahiro Hayama, Hideki Higashidozono, Masayuki Futakuchi, Kohei Fukudome
  • Patent number: 10160638
    Abstract: A semiconductor structure may include a first device having first surface with a first bonding layer formed thereon and a second device having a first surface with a second bonding layer formed thereon. The first bonding layer may provide an electrically conductive path to at least one electrical device in the first device. The second bonding layer may provide an electrically conductive path to at least one electrical device in the second device. One of the first or the second devices may include MEMS electrical devices. The first and/or the second bonding layers may be formed of a getter material, which may provide absorption for outgassing.
    Type: Grant
    Filed: January 4, 2013
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Li-Cheng Chu, Ping-Yin Liu, Xin-Hua Huang, Yuan-Chih Hsieh, Lan-Lin Chao, Chun-Wen Cheng
  • Patent number: 10125564
    Abstract: A redundant accumulator system for delivery of pressurized hydraulic fluid to blowout preventers (“BOPs”) and other well equipment during coiled tubing and wirelining operations that has sufficient reserve fluid capacity to simultaneously operate a plurality of BOPs and other well equipment and to hold a plurality of BOPs closed in the event of a hydraulic fluid leak, and is appropriately sized for use aboard an offshore vessel or platform or for use in close proximity to an inland wellhead. The accumulator system includes a hydraulic fluid capacity that is at least twice the capacity of the accumulators, a plurality of pneumatically operated pumps in parallel, each having the maximum inlets and outlets for their size to maximize the charging capacity of the accumulator system and allow the system to be charged to operational pressure in less than thirty minutes.
    Type: Grant
    Filed: January 27, 2016
    Date of Patent: November 13, 2018
    Inventor: Timothy Cenac
  • Patent number: 10094392
    Abstract: A nozzle for a fan assembly includes an air inlet, an air outlet, an interior passage for conveying air from the air inlet to the air outlet, an annular inner wall, and an outer wall extending about the inner wall. The interior passage is located between the inner wall and the outer wall. The inner wall at least partially defines a bore through which air from outside the nozzle is drawn by air emitted from the air outlet. A flow control port is located downstream from the air outlet. A flow control chamber is provided for conveying air to the flow control port. A control mechanism selectively inhibits a flow of air through the flow control port to deflect an air flow emitted from the air outlet.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: October 9, 2018
    Assignee: Dyson Technology Limited
    Inventors: Roy Edward Poulton, Alan Howard Davis, Joseph Eric Hodgetts
  • Patent number: 10094489
    Abstract: A control valve which includes a discrete, multi-stage, multi-path valve trim, located in concentric cylinders, along the outlet axis of the valve, with potential to characterize flow resistance at different opening points.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: October 9, 2018
    Assignee: Control Components, Inc.
    Inventors: Stephen G. Freitas, Raymond R. Newton, Daniel Allen Lee Watson, Timo Kubota
  • Patent number: 10066177
    Abstract: A method for dehydrating liquid fuel is disclosed. The method includes injecting a supply of dry gas into a liquid fuel via an outlet submerged in the liquid fuel. Also, a system for dehydrating liquid fuel is disclosed having a container for storing a liquid fuel, a line for delivering a supply of dry gas, and an outlet disposed near the bottom of the container and connected to the gas line for injecting dry gas into the liquid fuel.
    Type: Grant
    Filed: October 16, 2015
    Date of Patent: September 4, 2018
    Assignee: AIRBUS OPERATIONS LIMITED
    Inventors: Joseph K-W Lam, Craig P. Lawson, Marc Wetterwald