Fluid Pressure Type Patents (Class 137/488)
  • Patent number: 11975587
    Abstract: A method for operating a pressure control system in a vehicle includes controlling a flow-control valve in a charging line, which conveys a charging pressure medium, in dependence upon an admission pressure and/or upon an admission volume flow. The admission pressure and/or the admission volume flow characterizes a prevailing or currently to be expected loading of a pneumatic consumer of the pressure control system during the supply of the charging pressure medium with a charging volume flow and at a charging pressure into the pneumatic consumer. The method further includes adjusting a flow-control cross-section, which acts on the charging pressure medium as it flows through the flow-control valve, or adjusting an average flow-control cross-section so as to limit the charging volume flow to a limit volume flow. The method additionally includes outputting the volume-flow limited charging pressure medium to the pneumatic consumer.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: May 7, 2024
    Assignee: ZF CV SYSTEMS EUROPE BV
    Inventors: Dieter Frank, Joerg Scharpenberg, Uwe Stabenow
  • Patent number: 11971144
    Abstract: A processing apparatus includes: a processing container configured to accommodate a substrate; a storage tank connected to the processing container via a gas supply pipe; a pressure sensor configured to detect a pressure in the storage tank; a valve provided in the gas supply pipe between the processing container and the storage tank; and a controller configured to control an opening degree of the valve based on the pressure in the storage tank detected by the pressure sensor.
    Type: Grant
    Filed: March 4, 2022
    Date of Patent: April 30, 2024
    Assignee: TOKYO ELECTRON LIMITED
    Inventor: Seiya Nasu
  • Patent number: 11959423
    Abstract: A fuel supply system for a turbine engine that provides a modulated thrust control malfunction accommodation (TCMA) is disclosed. An example fuel supply system includes a fuel supply line to supply fuel to a combustion engine, a fuel metering valve coupled to the fuel supply line, the fuel metering valve to control a flow of fuel through the fuel supply line to the combustion engine, a throttle valve coupled to the fuel supply line downstream of the fuel metering valve, the throttle valve to bleed off fuel supplied to the combustion engine based on a pressure difference across the fuel metering valve, and a controllable servo coupled to the throttle valve, the controllable servo to control the throttle valve based on a sensor output indicative of the pressure difference.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: April 16, 2024
    Assignee: General Electric Company
    Inventor: David Justin Brady
  • Patent number: 11926294
    Abstract: A relay valve module for an electronically controllable pneumatic brake system for actuating wheel brakes of a utility vehicle includes: a reservoir connection for receiving a reservoir pressure; a brake control pressure connection for receiving a brake control pressure; at least one first service brake connection for outputting a service brake pressure; a relay valve with a relay valve reservoir connection, which is connected to the reservoir connection, a relay valve working connection, which is connected to the first service brake connection, a relay valve ventilation connection, and a relay valve control connection; an electropneumatic pilot control unit, which is connected to the reservoir connection, the electropneumatic pilot control unit providing a pilot control pressure; and a shuttle valve with a first shuttle valve inlet, a second shuttle valve inlet, and a shuttle valve outlet. The first shuttle valve inlet is connected to the brake control pressure connection.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: March 12, 2024
    Assignee: ZF CV SYSTEMS EUROPE BV
    Inventors: Thomas Mueller, Robert Otremba, Julian Van Thiel, Gerd Roters
  • Patent number: 11913557
    Abstract: The protection device has a valve and a valve actuator, able to move the valve to a closed position when a pressure upstream of the valve exceeds a predetermined threshold pressure. The valve actuator includes a biaser, to maintain the valve in an open position; an actuation mechanism, to move the valve to the closed position, the actuation mechanism with a fluid sampling passage to fluidly connect the flow line to a fluid actuated surface of the actuation mechanism. At least a rupture element preventing the passage of fluid from the flow line when the pressure upstream of the rupture element is lower than the threshold pressure, the rupture element being able to break at the threshold pressure.
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: February 27, 2024
    Assignee: TOTAL SE
    Inventor: Neil Walker
  • Patent number: 11751899
    Abstract: A differential pressure motor comprising two working pistons and a rod that move in a hollow space. Walls defining the hollow space have five openings. A valve piston moves between and against the working pistons and can be driven by the working pistons. The valve piston with the five openings forms a valve with which an alternate impact of a first pressure and a second pressure on the working pistons is controllable when the pressures are applied to three of the five openings such that the working pistons periodically move which drives a periodic movement of the valve piston. Also disclosed are a surgical drive system with, a medical lavage system for the debridement of soft tissue and/or bone tissue having, and a medical device for brushing, rasping or sawing soft tissue and/or bone tissue with such a differential pressure motor, and a method for operating a differential pressure motor.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: September 12, 2023
    Assignee: Heraeus Medical GmbH
    Inventors: Sebastian Vogt, Thomas Kluge
  • Patent number: 11742100
    Abstract: A depressurisation valve for a cooling system including a main chamber having a main valve, a pilot line having a secondary valve and a blowdown line; the main valve being located to seal a path of the coolant system of the nuclear reactor. The main chamber is connected to the cooling circuit via the pilot line allowing coolant to enter the main chamber, and the blowdown line allows coolant to escape from the main chamber, the pilot line having a lower fluid resistance than the blowdown line. The pressure of coolant in the main chamber maintains the main valve in a closed position, and under elevated temperature and/or pressure conditions fluid is prevented from entering the main chamber via a closure of the secondary valve on the pilot line and reduce the pressure from the valve, moving it to its open position.
    Type: Grant
    Filed: June 28, 2022
    Date of Patent: August 29, 2023
    Assignee: ROLLS-ROYCE SMR LIMITED
    Inventors: Brenton D Shearer, James C Palmer, Benjamin J Ireland
  • Patent number: 11733722
    Abstract: A control system having a first pressure regulator, a downstream fluid control device, first pilot, and second pilot. The first pressure regulator has a fluid inlet, fluid outlet, and actuator assembly with a cavity divided into a first chamber and a second chamber. The downstream fluid control device has a second fluid inlet and a second fluid outlet. The first pilot has a first setpoint and the second pilot has a second setpoint, less than the first setpoint. The first and second pilots fluidly couple the second chamber to the second fluid outlet in a first mode of operation, isolate the second chamber from the second fluid outlet in a second mode of operation, and fluidly couple the second chamber to the fluid inlet in a third mode of operation.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: August 22, 2023
    Assignee: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
    Inventor: Justin L. Masias
  • Patent number: 11619244
    Abstract: A fluidic control system (1) for controlling a vehicle, which includes a controller (2) and a closed fluidic circuit. The circuit includes a pump (3) for pressurizing fluid in the circuit, valve means (40, 50, 60), an actuator (4, 5, 6) and a precharge accumulator (7). The valve means (40, 50, 60) is fluidly connected to the inlet and outlet of the pump (3) and the actuator (4, 6) is fluidly connected to the valve means (40, 50, 60) for selectively receiving pressurized fluid therefrom. The precharge accumulator (7) includes a movable member (73, FIG. 2) that describes a variable volume (71) fluidly connected to the circuit between the valve means (40, 50, 60) and the inlet of the pump (3). The system (1) also includes a sensor (70) for determining the position of the movable member (73) for estimating the quantity of fluid and/or detecting an abnormal pressure variation within the circuit.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: April 4, 2023
    Assignee: LIBERTY VEHICLE TECHNOLOGIES LIMITED
    Inventors: Anthony Blackwell, Marc Amblard
  • Patent number: 11609584
    Abstract: A valve includes a first inline compartment to attach to a first return line exiting a processing chamber and a second inline compartment to attach to a second return line entering a coolant source. A flow compartment is attached between the first inline compartment and the second inline compartment and through which a coolant is to return to the coolant source. A first inlet orifice and a second inlet orifice positioned between the first inline compartment and the flow compartment. A plunger has a tip to variably open and close the second inlet orifice. A shape memory alloy (SMA) spring is positioned on the plunger and attached to the tip, the SMA spring to variably increase or decrease a flow rate of the coolant through the second inlet orifice according to a temperature of the coolant.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: March 21, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Shivaram Chandrashekar, Kumaresan Nagarajan
  • Patent number: 11567515
    Abstract: A flow arrangement for a pressure relief valve assembly can include a bypass flow path extending from a pressure source to a dome of a relief valve. The bypass flow path can include a valve that is configured to open and close the bypass flow path based on pressure at the pressure source or the dome, or a pressure difference between the pressure source and the dome.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: January 31, 2023
    Assignee: Emerson Automation Solutions Final Control US LP
    Inventors: Calvin Deng, William Bockeloh
  • Patent number: 11550344
    Abstract: A flow arrangement for a control valve can include a plurality of flow-control components that are movable relative to each other and that define at least part of a flow path from a pressure source to a dome of a pressure relief valve. The flow-control components can be movable relative to each other in response to system pressure to selectively increase or decrease the flow capacity of the flow path. In some cases, flow capacity can be increased or decreased during initial loading of the dome, at low pressures, or at higher pressures.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: January 10, 2023
    Assignee: Emerson Automation Solutions Final Control US LP
    Inventor: Anand Srinivasan
  • Patent number: 11441739
    Abstract: An system for emptying at least one reservoir containing a pressurized fluid, including, for each reservoir, a vent for discharging the fluid out of the reservoir and a discharge valve for connecting the reservoir to the vent, the emptying system additionally including, for each discharge valve, a return member for returning the discharge valve to its closed configuration, and a fluid control system for controlling the movement of each discharge valve to its open configuration by action of an operating fluid on the discharge valve, the control system including an operating station arranged outside a danger zone around each reservoir, and, for each discharge valve, a fluid pipe fluidically connecting the operating station to the discharge valve, the operating station including at least one reversible free connection for connecting to each fluid pipe of a device for supplying the control system with operating fluid.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: September 13, 2022
    Assignee: AREVA Stockage d'Energie
    Inventors: André Rakotondrainibe, Franck Verbecke, Jean-Claude Reybaud
  • Patent number: 11434019
    Abstract: A fuel extraction system for extracting a gaseous fuel from a fuel tank. The fuel extraction system includes a conveying device which is configured to convey gaseous fuel and to bring it from a first pressure level to a second pressure level, a first line which is configured to connect the conveying device fluidically to the interior of the fuel tank, a buffer tank which is configured to store the fuel at the second pressure level, and which has a first outlet and a second outlet, at least one valve with a pneumatic actuating device, and a second line which is connected to the first outlet of the buffer tank and is configured to conduct a part of the fuel at the second pressure level to the pneumatic actuating device of the at least one valve. Furthermore, a fuel tank apparatus and a fuel cell system are described.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: September 6, 2022
    Assignee: AIRBUS OPERATIONS GMBH
    Inventor: Barnaby Law
  • Patent number: 11378108
    Abstract: Method for diagnosing a pneumatic control valve by using a positioner model includes: establishing relational expression for outputting valve stem displacement according to control pressure, the relational expression including parameters for the characteristics of a positioner, an actuator, and a valve, determining initial parameter value by adjusting the values of the parameters until the difference between a measured value for a normal operation of the pneumatic control valve and output value obtained by the relational expression is smaller than predetermined error limit, determining diagnostic parameter value by adjusting the values of the parameters until the difference between a measured value for a diagnostic operation of the pneumatic control valve and an output value obtained by the relational expression is smaller than a predetermined error limit, and comparing the initial parameter value and the diagnostic parameter value so as to determine whether the pneumatic control valve has abnormality.
    Type: Grant
    Filed: August 30, 2017
    Date of Patent: July 5, 2022
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD
    Inventors: Yang Seok Kim, Dae Woong Kim, Bum Nyun Kim, Young Sheop Park, Chi Yong Park, Jong Seog Kim, Hyoung Kyun Kim, Byoung Oh Lee, Ji In Kim, Nam Woo Choi, Yong Hoon Park, Hee Seung Chang, You Soo Shin
  • Patent number: 11306847
    Abstract: A valve device includes: valves configured to control a flow of processing gases supplied to a process vessel; a housing in which first flow paths through which the processing gases flow are formed; a heat diffuser configured to cover the housing and diffuse heat of the housing; a heating part configured to cover the housing covered with the heat diffuser and heat the housing via the heat diffuser; a supply configured to supply a coolant to a second flow path formed between the housing and the heat diffuser; and a controller configure to control the heating part to heat the housing to a first temperature when a predetermined process is performed on a target substrate, and before a start of a cleaning process of the process vessel, control the heating part to stop heating of the housing and control the supply to supply the coolant to the second flow path.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: April 19, 2022
    Assignee: TOKYO ELECTRON LIMITED
    Inventors: Tomohisa Kimoto, Yuichi Furuya, Takashi Kakegawa, Eiichi Komori, Hideaki Fujita, Hiroyuki Mori
  • Patent number: 11221083
    Abstract: A surge relief angle valve (SRA) is disclosed. The surge relief angle valve is held normally-closed by one or more compression spring(s). In certain embodiments the surge relief angle valve includes a body containing a disc and disc seat; a piston and shaft, the piston and shaft in communication with the disc and disc seat; and a spring providing a force against the piston; wherein the spring is enclosed within a housing and wherein the surge relief valve has a closed self-contained hydraulic system containing the piston and shaft, and providing a dampening force against the spring force.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: January 11, 2022
    Assignee: DeZURIK, Inc.
    Inventor: Timothy M. O'Shea
  • Patent number: 11137781
    Abstract: A control system having a pressure regulator, first pilot, and second pilot. The pressure regulator has a fluid inlet, fluid outlet, and actuator assembly with a cavity divided into a first chamber in fluid communication with the fluid outlet and a second chamber. The first pilot has a first setpoint and the second pilot has a second setpoint, less than the first setpoint. The first and second pilots fluidly couple the second chamber to the fluid outlet and isolate the second chamber from the fluid inlet in a first mode of operation, isolate the second chamber from the fluid outlet and fluid inlet in a second mode of operation, and fluidly couple the second chamber to the fluid inlet in a third mode of operation.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: October 5, 2021
    Assignee: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
    Inventor: Justin L. Masias
  • Patent number: 10991269
    Abstract: A fluidic logic and actuator system for outputting a displacement having a fluidic logic circuitry layer including a fluidic control input and a plurality of fluidic latching memory units. At least some of the plurality of fluidic latching memory units are configured to perform combinatorial and sequential logic functions and output a fluid response. A fluid actuator layer is provided having a plurality of fluid actuators, wherein each of the plurality of fluid actuators being movable in response to the fluid response of a corresponding one of the plurality of fluidic latching memory units.
    Type: Grant
    Filed: June 15, 2016
    Date of Patent: April 27, 2021
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Alexander C. Russomanno, Richard Brent Gillespie, Maire Sile O'Modhrain, Mark A. Burns
  • Patent number: 10907592
    Abstract: A vaporized fuel treatment device includes a sealing valve disposed in a vapor passage between a fuel tank and a canister. An ECU is programmed to decrease an internal pressure of the fuel tank by a pump via the canister so as to diagnose whether leakage occurs in the vapor passage in a state where the communication between the canister and the atmosphere is cut off and the sealing valve is opened. The ECU is programmed to execute a learning of a valve opening start position of the sealing valve based on a change in the internal pressure of the fuel tank when changing an axial distance between valve element and a valve seat when the internal pressure of the fuel tank is equal to or smaller than a predetermined value after a diagnosis of leakage in the vapor passage.
    Type: Grant
    Filed: January 16, 2017
    Date of Patent: February 2, 2021
    Assignee: Aisan Kogyo Kabushiki Kaisha
    Inventors: Yoshikazu Miyabe, Keita Fukui
  • Patent number: 10838435
    Abstract: A pressure-type flow rate control device includes a control valve; a pressure sensor provided downstream of the control valve; an orifice-built-in valve provided downstream of the pressure sensor; and a control unit connected to the control valve and pressure sensor. The built-in orifice valve has a valve mechanism comprising a valve seat body and a valve element for opening/closing a flow path; a drive mechanism for driving the valve mechanism, and an orifice member provided in the vicinity of the valve mechanism. The pressure-type flow rate control device further includes an opening/closing-detection mechanism for detecting the open/closed state of the valve mechanism, the control unit being configured to receive a detection signal from the opening/closing-detection mechanism.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: November 17, 2020
    Assignee: FUJIKIN INCORPORATED
    Inventors: Kaoru Hirata, Katsuyuki Sugita, Nobukazu Ikeda, Kouji Nishino
  • Patent number: 10648466
    Abstract: A piston pump includes a perforated disk as a throttle, in a central hole of which an outlet valve is arranged and its inner edge is fixed externally on a cylinder sleeve base of the piston pump and an outer edge of which lies with prestress on an annular support. Brake fluid displaced out of the piston pump lifts the perforated disk-shaped throttle off from the annular support, with which a dynamic throttle is formed. A throttle channel which negotiates the annular support in the perforated disk-shaped throttle also enables a throughflow in the case of a throttle lying on the annular support.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: May 12, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Oliver Hennig, Patrick Schellnegger, Jens Norberg
  • Patent number: 10464796
    Abstract: A method and apparatus of filing beer for craft breweries combines pressurized beer delivery (rather than gravity feed) with variable pressure control of the beer flow into the can. By modulating beer flow and especially beer pressure, it is possible to fill a can's widget (gas reservoir) with gas with a shorter set of fill steps. In addition, the speed of beer filling can be dramatically increased compared to small scale systems normally used by craft brewers. Unlike known large scale pressure systems, the beer bowl may be located beneath the rest of the apparatus and modulated pressure may be used, making for a smaller and more portable unit.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: November 5, 2019
    Assignee: CODI MANUFACTURING, INC.
    Inventors: Jared Jones, William Jones, Matthew Wetterlin
  • Patent number: 10400623
    Abstract: A system and method for detecting a fluid leak in a turbomachine. The turbomachine includes a high temperature fluid source, at least one fluid distribution pipe adapted to distribute the fluid to different parts of the turbomachine and/or an aircraft which is to be equipped with the turbomachine, a turbomachine compartment in which the distribution pipe is at least partly accommodated, the compartment having in operation a low temperature relative to the high temperature of the fluid supplied by the fluid source. The method includes measuring a temperature variation in the compartment between two instants to obtain a temperature gradient, and detecting a fluid leak when the temperature gradient is greater than or equal to a threshold temperature gradient.
    Type: Grant
    Filed: May 18, 2015
    Date of Patent: September 3, 2019
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventors: Alexandre Patrick Jacques Roger Everwyn, Arnaud Rodhain
  • Patent number: 10323768
    Abstract: A flow control valve including a main valve and a pilot valve for controlling a piston of the main valve. The valve maybe controlled through a control system based on measured pressures or temperatures in a system supplied or controlled by the valve. The valve may be operated as a pressure independent control valve, using pressure measurement from a supply line and exit line or return line of a hydronic HVAC system as inputs to the control system, which is operable to maintain a constant pressure drop across the system, or the valve may be operated as a temperature independent control valve, using temperature measurements from a supply line and exit line or return line of a hydronic HVAC system as inputs to the control system which is operable to maintain a constant temperature drop across the system.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 18, 2019
    Assignee: Griswold Controls, LLC
    Inventor: Stefan I. Tuineag
  • Patent number: 10309317
    Abstract: A method of monitoring a gas turbine engine start system includes monitoring a pressure in a starter air duct in communication with a starter air valve which is in communication with an air turbine starter (ATS); identifying an expected transient pressure response in the starter air duct; and identifying the starter air valve as degraded if the expected transient pressure response does not occur after an open command to the starter air valve.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: June 4, 2019
    Assignee: Hamilton Sundstrand Corporation
    Inventors: John T. Pech, W. Dean Kavalkovich
  • Patent number: 10294751
    Abstract: An operating control line is in communication with an operating piston for the safety valve as well as an equalizing piston such that pressure in the operating control line opens the safety valve and holds the equalizer valve closed. A balance chamber receives fluid from an operating piston in the safety valve when the valve opens to displace a floating piston to the open position. Operating control line pressure reduction allows valve closure and opposite floating piston movement to the closed position. If the floating piston is forced by a tubing seal leak against the open position travel stop, pressure in a balance control line against the equalizing valve member moves it from a seat to then equalize pressure on opposed ends of the floating piston allowing a bias force to move the floating piston off the open position stop so the safety valve can open despite the tubing leak.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: May 21, 2019
    Assignee: BAKER HUGHES, A GE COMPANY, LLC
    Inventors: Brett C. Jones, John E. Burris
  • Patent number: 10281189
    Abstract: A combination light and pressure relief vent (10) is disclosed which includes a housing (11), a valve assembly (12), and a light assembly (13). The housing include a valve body (16), port tube (17), and an outside louver (18). The valve body has a low pressure intake port (25), a high pressure intake port (26), and a low pressure exhaust port (27). The valve assembly includes a low pressure intake valve (40), a high pressure intake valve (42), and a low pressure exhaust valve (44). The light assembly includes a heat sink casing (51) which partially defines a heat chamber (52). The casing has a front wall (55) to which is mounted an LED module (57). A lens cover (61) is coupled to the front surface of the casing. Heat generated by the LED module is transferred through the casing to the heat chamber to warm the valve assembly.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: May 7, 2019
    Assignee: Kason Industries, Inc.
    Inventors: Raymond J. Hiller, Brett A. Mitchell, Burl M. Finkelstein
  • Patent number: 10241523
    Abstract: Provided is a valve assembly system including a flowbody including a channel formed at an inner surface thereof, a butterfly plate disposed within the channel and rotatably mounted within the flowbody. The system also includes a pair of dual-sided pistons that receive differential pressure at an input side and an output side of the valve assembly system. A spring is controlled for biasing against at least one of the dual-sided pistons based on the differential pressure, and to rotate the butterfly plate to regulate the differential pressure and the valve assembly system to a predetermined output pressure.
    Type: Grant
    Filed: July 13, 2016
    Date of Patent: March 26, 2019
    Assignee: GE Aviation Systems, LLC
    Inventors: Jerry Dean Hielkema, Kevin Hallisey
  • Patent number: 10160155
    Abstract: An air flow control assembly moves a pressurized air stream to a cyclical application, such as a molding machine, with air pressure at the cyclical application returned to the air flow control assembly to modulate the rate at which the air stream is delivered to the cyclical application.
    Type: Grant
    Filed: September 14, 2015
    Date of Patent: December 25, 2018
    Assignee: Blake & Pendleton, Inc.
    Inventors: Jan Arthur Zuercher, Dean Ellis Smith
  • Patent number: 10123457
    Abstract: A cooling apparatus includes: an evaporator in which a coolant is housed and that evaporates the coolant; a condenser that condenses the coolant evaporated by the evaporator; a pathway section that includes a vapor path and a liquid path each placing the inside of the evaporator and the inside of the condenser in communication with each other, and that circulates the coolant between the evaporator and the condenser; a valve that is provided to at least one path out of the vapor path or the liquid path; and a pressure regulation section that increases an opening amount of the valve according to an increase in pressure inside the evaporator.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: November 6, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Nobuyuki Hayashi, Teru Nakanishi, Takahiro Kimura
  • Patent number: 10082445
    Abstract: A method for monitoring the change in state of a valve in a start up circuit of a turbo-engine following a command to change the state of the valve includes measuring the air pressure under a fan cowl of the turbo-engine before the change state command, measuring the air pressure under the fan cowl after the change state command, comparing the measured values of the air pressure, and determining whether or not the valve has actually changed state. An aircraft turbo-engine includes a unit that monitors the change in the valve using such a method.
    Type: Grant
    Filed: March 6, 2012
    Date of Patent: September 25, 2018
    Assignee: SAFRAN AIRCRAFT ENGINES
    Inventor: Karim Djebali
  • Patent number: 10059430
    Abstract: Aircraft and air scoop systems are provided. An aircraft includes an interior compartment, an outer skin, an air scoop, it movable element, and a passive pneumatic actuator. The interior compartment encloses a substantially constant interior air mass at a cabin pressure during flight and the outer skin at least partially defines a ventilated cavity. The air scoop is disposed on the outer skin and communicates air between the ventilated cavity and an external environment in which the aircraft is located. The movable element is movable between an open position and a closed position over the air scoop to define an air flow area through the air scoop. The passive pneumatic actuator is operatively coupled with the movable element and moves the movable element towards the closed position in response to an increasing altitude of the aircraft based on a differential pressure between the interior air mass and the external environment.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: August 28, 2018
    Assignee: Gulfstream Aerospace Corporation
    Inventors: Mike Lucas, George Clay Nolen
  • Patent number: 9933076
    Abstract: A diaphragm-type control valve (10) having a valve body (12) holding a diaphragm (100) and an expansion member (150) is provided preferably for use in the separation of and fluid control between a fluid source and a pressurized gas volume. An inner surface of the valve body defines a chamber having an inlet (14) and an outlet (16) in communication with the chamber, and an elongated seat member (26). The expansion member (150) biases the diaphragm (100) to a seated position within the valve.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: April 3, 2018
    Assignee: Tyco Fire Products LP
    Inventors: Yoram Ringer, Su Yang
  • Patent number: 9890609
    Abstract: A safety valve control system may include a remotely operable control assembly, a first transducer, a valve assembly, and a compressor assembly in communication with the control assembly. The control assembly is operable to actuate the pump and valve assemblies to supply fluid to actuate the safety valve into open and closed positions, in response to one or more signals received from the first transducer. A method of operation may include maintaining the safety valve in an open or closed position while sensing a physical property with the control system; communicating a signal corresponding to the sensed physical property to the control system; and automatically closing or opening the safety valve in response to a comparison of the sensed physical property to a pre-set condition.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: February 13, 2018
    Assignee: SAFOCO, INC.
    Inventors: David Lymberopoulos, Benjamin R. Matthews
  • Patent number: 9841337
    Abstract: Disclosed is a pressure determining unit configured for determining a pressure of a fluid. The pressure determining unit comprises a body structure and a deformation detector. The body structure has a fluidic path configured for conducting the fluid, wherein the body structure has a first surface in a first dimension and in a second dimension, and a thickness in a third dimension. The deformation detector is configured for responding to an elongation into the second dimension of the first surface of the body structure by generating a signal indicative of a value of the pressure of the fluid in the body structure. The fluidic path of the body structure comprises one or more first channel segments, each first channel segment having a height into the third dimension being at least twice of its width into the second dimension.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 12, 2017
    Assignee: Agilent Technologies, Inc.
    Inventors: Armin Steinke, Christian Daniel Ruf
  • Patent number: 9760097
    Abstract: Control systems include various combinations of pressure regulators, pilots, and pressure stabilizers to provide systems with adjustable deadbands for over pressure protection, adjustable deadbands for under pressure protection, adjustable deadbands for both over pressure and under pressure protection, pressure assisted closure for over pressure protection, pressure assisted closure for under pressure protection, pressure assisted closure for both over pressure and under pressure protection, or spring assisted closure for over pressure and under pressure protection.
    Type: Grant
    Filed: August 13, 2015
    Date of Patent: September 12, 2017
    Assignee: EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES, INC.
    Inventors: Justin Lane Masias, Douglas James Scheffler, Tung K. Nguyen, James Curtis Bagby
  • Patent number: 9759284
    Abstract: A damping valve includes a main valve opening and closing a main passage, and a pilot passage reducing a pressure of the upstream of the main passage by a throttle to guide as a back-pressure biasing the main valve to the closing direction. A pressure control valve being disposed on the downstream of the throttle and including a seating portion controlling the back-pressure, and a switching valve including a circular depressed portion opening and closing the pilot passage are integrated and controlled by a single solenoid. The damping valve includes fail passages being branched from the downstream of the throttle to bypass the main valve, and a fail valve opening and closing the fail passage. The switching valve is arranged on the upstream of the pressure control valve in the pilot passage. The fail passages are branched from the upstream of the switching valve of the pilot passage.
    Type: Grant
    Filed: September 9, 2014
    Date of Patent: September 12, 2017
    Assignee: KYB Corporation
    Inventors: Shinichi Hagidaira, Yoshifumi Kobayashi
  • Patent number: 9631456
    Abstract: A safety valve includes a housing defining first and secondary piston bores in fluid communication with each other via a port. A first piston is movably arranged within the first piston bore and has a first piston rod extending longitudinally from the first piston and coupled to a flow tube. A second piston is movably arranged within the secondary piston bore and has a secondary piston rod extending longitudinally from the second piston and axially engageable with the flow tube. Hydraulic fluid pressure acts on the first piston until the first piston axially moves and exposes the port, whereby the hydraulic fluid pressure is then able to enter the secondary piston bore and also act on the second piston.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: April 25, 2017
    Assignee: Halliburton Energy Services, Inc.
    Inventors: James Dan Vick, Jr., Bruce Edward Scott
  • Patent number: 9556042
    Abstract: A water pressure regenerated type water softener including: a timer control valve having a valve control unit rotated by a timer spring and into which raw water is supplied; a plurality of conduits into which the raw water selectively flows under the control of the timer control valve; a regeneration tank communicating with a regeneration tank inlet conduit of the conduits; and a resin tank unit receiving regeneration water flowing from the regeneration tank and containing an ion exchange resin therein. The water softener can be operated in one of stop mode, soft water mode, raw water mode and regeneration mode under the control of the valve control unit. When regeneration mode is selected, the valve control unit rotates to stop mode by the timer spring after a preset amount of time has elapsed.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: January 31, 2017
    Assignee: WOONGJIN COWAY CO., LTD.
    Inventors: Sung Hun Yoon, Joong Keun An, Won Tae Kim, Chun Ho Park
  • Patent number: 9518673
    Abstract: A fluid controller includes an automatic opening-and-closing device configured to move a valve rod upward and downward, and a manual opening-and-closing device configured to move the valve rod upward and downward by a manual operation. The manual opening-and-closing device includes a cylindrical handle supported by a casing so as to be rotatable and not to move upward and downward, and a cylindrical operating member screwed into a female screw of the handle and configured to move upward and downward with a rotation of the handle. The operating member is apart from a piston of the automatic opening-and-closing device in a vertical direction in an automatic operation. The piston is moved by the operating member which moves upward in association with the rotating operation of the handle in a manual operation in an opposite direction from the opening state brought by the automatic opening-and-closing device.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: December 13, 2016
    Assignee: FUJIKIN INCORPORATED
    Inventors: Tsuyoshi Tanikawa, Tadayuki Yakushijin, Keisuke Ishibashi, Yasumasa Yanagida
  • Patent number: 9482364
    Abstract: A butterfly valve with a housing having a bypass passage located within the housing of the valve. The passage extends from the normal flow path through the valve, either side of the butterfly valve plate so as to provide an alternative flow path. A cavity is located between distal ends of the passage. A valve head, located in the cavity is configured and arranged to be movable within the cavity between a closed position in which, the distal ends of the passage are fluidly disconnected through the passage and an open position in which the distal ends of the passage are fluidly connected through the passage.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: November 1, 2016
    Assignee: General Electric Technology GmbH
    Inventor: Antonin Opsitch
  • Patent number: 9400060
    Abstract: A pneumatically controlled assembly, system, method and device for the regulation of pressure of a gas as it flows in a pressurized line and including at least one loading valve which is set to respond to variations in pressure in conjunction with a pneumatically actuated process control valve so as to effectively regulate and maintain pressure of the gas in the pressurized line.
    Type: Grant
    Filed: May 21, 2013
    Date of Patent: July 26, 2016
    Assignee: VRG Controls, LLC
    Inventors: James Michael Garvey, Vladimir Rimboym
  • Patent number: 9377445
    Abstract: In order to achieve an ionization method of high robustness with a small carry-over or less crosstalk, an ionization method is disclosed. A method includes the steps of: joining an ionization unit to a tube; sucking the sample from a sample container into a sample holder of the ionization unit to hold the sample; moving the ionization unit holding the sample to near the ionization unit using an ionization unit drive unit; and applying a voltage to the ionization unit using a power supply to ionize the sample by electrostatically spraying the sample from the holding unit.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: June 28, 2016
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hiroyuki Satake, Hideki Hasegawa, Yuichiro Hashimoto, Masao Suga, Izumi Waki
  • Patent number: 9363879
    Abstract: A module for producing extreme ultraviolet radiation, including an extreme ultraviolet radiation-emitting source, the source being provided with a supply configured to supply a fluid of an ignition material to a predetermined target ignition position and a target-igniting mechanism constructed and arranged to produce a plasma from the ignition material at the target ignition position, the plasma emitting the extreme ultraviolet radiation; a collector mirror constructed and arranged to focus radiation emitted by the plasma at a focal point; and a heat sink having a thermal energy-diverting surface constructed and arranged to divert thermal energy away from the target ignition position, wherein the heat sink is located at a position proximate the target ignition position.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: June 7, 2016
    Assignee: ASML NETHERLANDS B.V.
    Inventors: Tjarko Adriaan Rudolf Van Empel, Vadim Yevgenyevich Banine, Vladimir Vitalevich Ivanov, Erik Roelof Loopstra, Johannes Hubertus Josephina Moors, Jan Bernard Plechelmus Van Schoot, Yuri Johannes Gabriël Van de Vijver, Gerardus Hubertus Petrus Maria Swinkels, Hendrikus Gijsbertus Schimmel, Dzmitry Labetski
  • Patent number: 9038659
    Abstract: The invention allows securing greater discharge pressure and flow rate at high revolutions of an engine in order to secure lubrication and cooling, while reducing discharge pressure and flow rate at low and medium revolutions of the engine in order to improve efficiency. The invention includes a housing; a relief valve; a valve passage; a main discharge flow channel; a main relief flow channel; an auxiliary relief flow channel; a solenoid valve mounted on the auxiliary relief flow channel; and a spring. The solenoid valve is controlled so as to switch between communication and shut-off between the auxiliary relief flow channel and the large-diameter passage section in accordance with an increase or decrease in engine revolutions, and oil in the large-diameter passage section is discharged when the shut-off is implemented.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: May 26, 2015
    Assignee: YAMADA MANUFACTURING CO., LTD.
    Inventors: Manabu Watanabe, Junichi Miyajima
  • Patent number: 9027589
    Abstract: An assembly of valve sections includes an inlet section, an outlet section, a working section, and a working section. The working section is a conventional pressure compensated working section. The working section includes a directional control valve, a pressure compensator valve, and a pressure limiter valve. The valves are of integral construction, such that each is an essential part to complete the other. The pressure compensator valve includes a pressure compensator spool movable between an opened position and a closed position in response to a pressure differential across the spool. The pressure limiter valve includes a pressure limiter spool that moves to an open position to change the pressure differential and close the pressure compensator valve when a selected limit pressure is reached.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: May 12, 2015
    Assignee: Parker-Hannifin Corporation
    Inventor: Gregory Coolidge
  • Patent number: 8979064
    Abstract: A positioner includes a shift magnitude calculating portion that calculates a shift magnitude from the equilibrium state of a pilot relay, from an input air pressure that is inputted into the pilot relay and an output air pressure that is outputted from the pilot relay. A control calculating portion determines a control signal from an actual opening signal, an opening setting value, and the shift magnitude from the equilibrium state of the pilot relay that is calculated by the shift magnitude calculating portion, and outputs it to the electropneumatic converter.
    Type: Grant
    Filed: June 7, 2013
    Date of Patent: March 17, 2015
    Assignee: Azbil Corporation
    Inventors: Takashi Nomiyama, Masaki Namikawa
  • Patent number: 8978692
    Abstract: A pilot valve (2) for controlling operation of a hydraulically-actuated pressure reducing valve, the pilot valve including a housing (4), and a first valve member (15) mounted in the housing for longitudinal movement along an axis relative to the housing and to a second valve member (22) in response to the outlet pressure of the pressure reducing valve. The first valve member is provided with an aperture (20) and the second valve member comprises a closure portion which varies the effective flow cross section of the aperture in accordance with relative longitudinal movement between the first and second valve members. An adjuster (26) controls the relative rotational position of the first and second valve members, the closure portion having a profile such that relative rotation between the first and second valve members causes the closure portion to vary the effective flow cross section of the aperture (20).
    Type: Grant
    Filed: March 20, 2008
    Date of Patent: March 17, 2015
    Assignee: i20 Water Limited
    Inventors: Roger Heron, Andrew Roland Burrows
  • Publication number: 20150069828
    Abstract: A pressure regulator, including a housing; a piston axially movably disposed in the housing; a high-pressure chamber; a low-pressure chamber; a regulated-pressure chamber whose pressure biases the piston in a first direction in an axial direction of the housing; a first pilot chamber whose pressure biases the piston in a second direction opposite to the first direction; a second pilot chamber whose pressure biases the piston in the second direction; and a valve mechanism configured such that, by a movement of the piston in the second direction, communication between the regulated-pressure chamber and the high-pressure chamber is permitted while communication between the regulated-pressure chamber and the low-pressure chamber is shut off and such that, by a movement of the piston in the first direction, the communication between the regulated-pressure chamber and the high-pressure chamber is shut off while the communication between the regulated-pressure chamber and the low-pressure chamber is permitted.
    Type: Application
    Filed: May 25, 2012
    Publication date: March 12, 2015
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hiroshi Ueno, Kiyoyuki Uchida