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公开(公告)号：US11781518B2
公开(公告)日：2023-10-10
申请号：US16616894
申请日：2018-11-14
CPC分类号： F03B3/121 , E03B7/07 , F03B15/02 , F15B5/006 , F15B9/00 , E02B9/06 , F03B13/10 , F05B2220/32 , F05B2220/706
摘要： This invention regards a hydraulic turbine (1) to operate in pressure circuits, where there is a flow of a fluid, to control the flow and pressure downstream the installation point. Even so, said turbine (1) can generate power for itself based on the difference of pressure and flow, as the remaining power can be used in public power networks or isolated. Its application field comprises sanitation companies, beverage industries, paper and cellulose industries, petrochemical companies or any places, where it is needed to control the flow and pressure in supply networks.
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2.发明公开公开(公告)号：US20230258203A1
公开(公告)日：2023-08-17
申请号：US18138621
申请日：2023-04-24
CPC分类号： F15B5/006 , F15B21/065 , F15B15/103 , B25J9/1075
摘要： High strain hydraulically amplified self-healing electrostatic transducers having increased maximum theoretical and practical strains are disclosed. In particular, the actuators include electrode configurations having a zipping front created by the attraction of the electrodes that is configured orthogonally to a strain axis along which the actuators. This configuration produces increased strains. In turn, various form factors for the actuator configuration are presented including an artificial circular muscle and a strain amplifying pulley system. Other actuator configurations are contemplated that include independent and opposed electrode pairs to create cyclic activation, hybrid electrode configurations, and use of strain limiting layers for controlled deflection of the actuator.
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公开(公告)号：US11649837B2
公开(公告)日：2023-05-16
申请号：US17345559
申请日：2021-06-11
申请人： Opla Energy Ltd.
发明人： Hossein Khorshidian , Skyler Lowe , Saied Afshari
CPC分类号： F15B5/006 , F16K31/04 , G05B11/32 , G05B11/42 , F15B21/00 , F16K17/003 , G05B2219/41301
摘要： A controller and related system and method for controlling a choke for choking fluid flow are configured to take into account non-linear behaviors of the choke, to allow more accurate and effective control of the choke. To obtain a desired pressure drop across a choke valve, the controller is configured to monitor the position of a choke actuator coupled to the choke valve and the pressure at the inlet of the choke valve. The controller calculates an adaptive proportional gain coefficient, and optionally adaptive integral and derivative coefficients, based on the choke actuator position, to help mitigate the effects of non-linear behaviors of the choke and, where necessary, based on the inlet pressure, the controller calculates an augmentation correction to address any instability in the choke. The controller then commands the choke actuator accordingly to adjust the flow area through the choke valve.
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公开(公告)号：US11118611B2
公开(公告)日：2021-09-14
申请号：US16663967
申请日：2019-10-25
申请人： TONAND INC.
发明人： Antonio Cannata
摘要： A variable flow hydraulic device having a plurality of cylinders for varying a flow of hydraulic fluid between a reservoir and a load, the device comprising: a housing having the plurality of cylinders with a plurality of corresponding pistons; an input port of the housing fluidly connected to each cylinder of the plurality of cylinders, the input port facilitating introduction of the hydraulic fluid to said each cylinder; a first output port of the housing connected to said each cylinder, the first output port facilitating the ejection of the hydraulic fluid from said each cylinder, the first output port configured for fluidly coupling said each cylinder to the load; a respective flow control valve for said each cylinder, and a fluid pressure sensing device coupled between downstream of the first output port and said respective flow control valve.
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5.发明申请公开(公告)号：US20210003149A1
公开(公告)日：2021-01-07
申请号：US16978292
申请日：2019-03-04
发明人： Christoph Matthias Keplinger , Eric Lucas Acome , Nicholas Alexander Kellaris , Shane Karl Mitchell , Timothy G. Morrissey
IPC分类号： F15B5/00
摘要： Hydraulically-amplified, self-healing, electrostatic transducers that harness electrostatic and hydraulic forces to achieve various actuation modes. Electrostatic forces between electrode pairs of the transducers generated upon application of a voltage to the electrode pairs draws the electrodes in each pair towards each other to displace a liquid dielectric contained within an enclosed internal cavity of the transducers to drive actuation in various manners. The electrodes and the liquid dielectric form a self-healing capacitor whereby the liquid dielectric automatically fills breaches in the liquid dielectric resulting from dielectric breakdown. Due to the resting shape of the cavity, a zipping-mechanism allows for selectively actuating the electrodes to a desired extent by controlling the voltage supplied.
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公开(公告)号：US10670054B2
公开(公告)日：2020-06-02
申请号：US15793315
申请日：2017-10-25
申请人： Dresser LLC
发明人： Jonathan Fredric Cohen , Jagdish Gattu , Lei Lu , Anatoly Podpaly , Harold Randall Smart , Paul Talmage Tirrell
IPC分类号： F16K31/02 , F15B15/20 , F16K31/04 , F16K15/14 , F16K47/04 , G05D7/00 , F15B13/08 , G01D11/24 , F15B21/08 , F15B5/00 , F15B20/00
摘要： A controller for a valve assembly that is configured to meet requirements for use in hazardous areas. These configurations may regulate flow of instrument air to a pneumatic actuator to operate a valve. The controller may comprise enclosures, including a first enclosure and a second enclosure, each having a peripheral wall forming an interior space, and circuitry comprising a barrier circuit disposed in the interior space of one of the enclosures that power limits digital signals that exits that enclosure. In one example, the peripheral wall of enclosures are configured to allow instrument air into the interior space of the first enclosure but to prevent instrument air from the interior space of the second enclosure.
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公开(公告)号：US10557482B2
公开(公告)日：2020-02-11
申请号：US15347450
申请日：2016-11-09
摘要： A system including a rotary isobaric pressure exchanger (IPX) configured to exchange pressures between a first fluid and a second fluid. The rotary IPX includes a rotor and a shaft coupled the rotor. Additionally, the system includes a hydraulic drive system including a hydraulic drive device coupled to the rotor via the shaft. The hydraulic drive device is configured to receive a hydraulic fluid and to convert hydraulic energy of the hydraulic fluid into mechanical energy to rotate the rotor at a rotational speed that is based on a flow rate of the hydraulic fluid entering the hydraulic drive device.
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公开(公告)号：US10458569B2
公开(公告)日：2019-10-29
申请号：US15355348
申请日：2016-11-18
申请人： Azbil Corporation
发明人： Kouichiro Murata
摘要： The positioner having an air circuit including magnetism generating portions producing magnetism based on a current in accordance with a difference between a valve opening setpoint of a regulator valve and a measured value for the valve opening, to generate a pneumatic signal wherein the air pressure is adjusted based on the magnetism produced by the magnetism generating portions, where this pneumatic signal is supplied to an operating device of the regulator valve, where the magnetism generating portions are connected in parallel, and including a plurality of coils connected through magnetically additive coupling.
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公开(公告)号：US10274103B2
公开(公告)日：2019-04-30
申请号：US15172675
申请日：2016-06-03
发明人： Harald Kah
摘要： 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.
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公开(公告)号：US10197076B2
公开(公告)日：2019-02-05
申请号：US15235560
申请日：2016-08-12
摘要： A pneumatic volume booster to amplify a control pressure output signal can include a pneumatic control outlet for attachment to a pneumatic working chamber of the pneumatic actuator; a pneumatic aeration inlet configured to receive the pneumatic control pressure signal from the position controller, a pneumatic amplification inlet configured to receive a constant pneumatic air amplification signal, a pneumatic de-aeration connection from the control outlet to a pressure sink configured to aerate the control actuator, a deaerator seat-valve separating and/or opening the pneumatic de-aeration connection, a pneumatic aeration connection between the first aeration inlet and the control outlet; an aerator seat-valve separating and/or opening the pneumatic aeration connection, a pneumatic amplification connection between the amplification inlet and the control outlet; an amplification seat-valve separating and/or opening the pneumatic amplification connection; and a mechanical seat-valve-operator for commonly operating the de-aeration seat-valve, the first aerator seat-valve and the amplification seat-valve.
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