Patents Examined by John Fox
  • Patent number: 10670279
    Abstract: A flow rate regulation apparatus according to one embodiment includes a main body portion including an incoming water flow path, a collar portion arranged in the main body portion and provided with a first through hole along a direction of extension of the incoming water flow path, and a valve shaft made of a resin and inserted in the first through hole, the valve shaft including a first large-diameter portion, a second large-diameter portion, and a first small-diameter portion lying between the first large-diameter portion and the second large-diameter portion and being smaller in outer diameter than the first large-diameter portion and the second large-diameter portion.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: June 2, 2020
    Inventors: Ryota Kinoshita, Naoto Kobari, Tadashi Takewaka, Koji Yamauchi
  • Patent number: 10662795
    Abstract: The invention concerns a rotary assembly for a turbomachine, comprising a disk of which the outer periphery is formed from an alternation of cavities and teeth (12), and blades extending radially from the disk and of which the roots (16) are engaged axially and held radially in the cavities of the disk. According to the invention, the teeth of the disk and the blade roots comprise, at the upstream and/or downstream axial ends of same, axial shoulders (74, 76) disposed circumferentially end-to-end in alternation and together forming a cylindrical surface (78) facing radially towards the inside of the disk.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: May 26, 2020
    Assignee: Snecma
    Inventors: Mathieu Louis Jean Leduc, Pierre-Louis Alexandre Carlos, Clement Roussille
  • Patent number: 10663083
    Abstract: A fluid valve includes a valve body having a fluid inlet and a fluid outlet. A fluid passageway connects the fluid inlet and the fluid outlet. A trim assembly is located within the fluid passageway and the trim assembly cooperates with a control member to control fluid flow through the fluid passageway. The trim assembly includes a cage and a cage retainer. The cage retainer is located downstream of the cage and the cage retainer and the cage are aligned longitudinally within the fluid passageway. The cage retainer includes a side branch resonator array.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: May 26, 2020
    Inventors: Daniel J. Eilers, Allen C. Fagerlund
  • Patent number: 10663068
    Abstract: A wedge guide has two wedge surfaces. The first angled surface engages a first seat retainer positioned on one side of a gate to lock the first seat retainer in a first pocket. The wedge guide has a second angled surface that engages a second seat retainer on the other side of the gate that locks the second seat retainer in a second pocket. The wedge guide does not affect the movement of the seats that move axially between the gate and the respective seat retainers. Two wedge guides are preferably utilized on opposite non-sealing sides of the gate so that the gate slides between them.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: May 26, 2020
    Inventors: Sudhir Shrivallabh Puranik, Anand Kalimuthu, William Thomas Burbank, Jr., Mansing Mohan Phase, Kauntey Suresh Angal
  • Patent number: 10655748
    Abstract: A latching valve has a valve body defining a fluid chamber and supply, delivery, and exhaust ports. A solenoid within the chamber includes a pole piece defining a fluid passage between the chamber and exhaust port and having one end facing the exhaust port and another end defining a first valve seat. A coil is disposed about the pole piece. A housing has a portion radially outward of the coil and portions extending radially inwardly on opposite sides of the coil radially aligned with the pole piece and an armature. The armature has one end configured for engagement with the first valve seat and another end configured for engagement with a second valve seat formed in the valve body between the fluid chamber and supply port. A return spring biases the armature towards the second valve seat. A magnet ring is disposed about the armature in contact with the housing.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: May 19, 2020
    Assignee: Bendix Commercial Vehicle Systems LLC
    Inventor: Thanh Ho
  • Patent number: 10654017
    Abstract: Provided is a supply-liquid producing apparatus capable of producing a supply liquid by an amount needed at a use point. A supply-liquid producing apparatus includes a mixer that mixes water and ozone gas to produce ozone water; a booster pump that increases the pressure of the water supplied to the mixer; a gas-liquid separation tank that separates the ozone water produced by the mixer into ozone water to be supplied to a use point and exhaust gas to be discharged from an exhaust port; a flowmeter that measures the flow rate of the ozone water supplied from the gas-liquid separation tank to the use point; a flow control unit that adjusts the (flow rate of the water supplied to the mixer by controlling the booster pump in response to the flow rate of the ozone water measured by the flowmeter; and an exhaust pressure control unit that controls the exhaust pressure to keep constant the water level in the gas-liquid separation tank.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: May 19, 2020
    Inventors: Suguru Ozawa, Yoichi Nakagawa, Muneto Takahashi, Tao Xu, Toshio Yokoyama
  • Patent number: 10648572
    Abstract: A valve with a built-in orifice includes a base section having a housing recess and first and second flow passages; a valve seat body; an inner disc; a valve element; and an orifice body, wherein the housing recess has a wide-diameter section and a narrow-diameter section, the first flow passage is connected to a space between a wall surface of the narrow-diameter section and the orifice body to communicate with a valve chamber, and the second flow passage communicates with the valve chamber through a through hole of the orifice body and a through hole of the valve seat body.
    Type: Grant
    Filed: July 25, 2017
    Date of Patent: May 12, 2020
    Inventors: Yohei Sawada, Kaoru Hirata, Masaaki Nagase, Kouji Nishino, Nobukazu Ikeda
  • Patent number: 10648579
    Abstract: A two-way faucet includes a hollow faucet body; a rotatable water guide seat positioned in the faucet body; a rocker arm water guide assembly coupled to the rotatable water guide seat, the rocker arm water guide assembly including a supporting water guide seat and a supporting water guide tube in communication with the supporting water guide seat; a reversing outlet assembly assembled to one end of the supporting water guide tube afar from the supporting water guide seat, the reversing outlet assembly defining an upper outlet and a lower outlet; an outlet tube hermetically connected to the reversing outlet assembly and in communication with the upper outlet; and a shower outlet assembly having a switch assembled to one end of the outlet tube afar from the reversing outlet assembly, the shower outlet assembly being detachably supported on the supporting water guide seat.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: May 12, 2020
    Inventor: Baizhao Guo
  • Patent number: 10641400
    Abstract: The utility model discloses a three way valve, which includes a three way valve body, and the three way valve body is provided with a water inlet channel, partition are provided in the center of the three valve body, and two water outlets are provided on the partition, and two water outlets are connected separately to two water outlet channels; A rotor is arranged above the partition, and the eccentric position of the bottom of the rotor is provided with a sealing leather bowl. When the rotor is rotated, the sealing leather bowl can sequentially seal the two water outlet. The utility model is capable of sequentially sealing the water outlet by the rotating rotor and the leather bowl synchronously rotating with the rotor, and can form two water outlet channels to separately discharge water or simultaneously discharge water.
    Type: Grant
    Filed: August 7, 2018
    Date of Patent: May 5, 2020
    Inventors: Binhua Gong, Jianbin Zhang, Guoqiang Ye
  • Patent number: 10641402
    Abstract: Provided are a three-way valve for flow rate control and a temperature control device using the three-way valve for flow rate control. The three-way valve for flow rate control is capable of controlling a mixture ratio between two kinds of fluids with higher accuracy, as compared to a three-way valve including an inflow port which allows inflow of a high-temperature heat-medium circulating liquid, an inflow port which allows inflow of a low-temperature heat-medium circulating liquid, an outflow port which allows outflow of a constant-temperature heat-medium circulating liquid, and a control valve configured to control the flow rate ratio between the high-temperature heat-medium circulating liquid and the low-temperature heat-medium circulating liquid.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: May 5, 2020
    Inventor: Katsumichi Hiraoka
  • Patent number: 10632480
    Abstract: An adjustable shower device includes a water diversion valve body, a water inlet pipe, and more than one water outlet pipe. The water diversion valve body has a water inlet and more than one water outlet. The water inlet pipe is fixedly connected to the water inlet of the water diversion valve body. An inlet end of the more than one water outlet pipe is connected to the more than one water outlet. Because the water outlet pipe is a universal pipe that is a bendable metal shaping hose, the shower head on the water pipe can be swung to any height, which is more convenient for use.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: April 28, 2020
    Inventor: Qin Yu
  • Patent number: 10634257
    Abstract: A proportional valve is provided wherein the valve has an actuating element, a compressed-air connection, a working connection, and an air-removal connection. The valve also has three valve elements arranged one after the other and each can be moved in an axial direction. A first valve element is actuated by the actuating element, a second valve element is actuated by the first valve element, and a third valve element is actuated by the second valve element. In a base position, the valve elements are spaced apart, and, within the valve, a first sealing seat effective between the first valve element and the second valve element and a second sealing seat effective between the third valve element and the housing are arranged such that by varying the position of the first valve element, different switching states can be set.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: April 28, 2020
    Inventors: Marcus Grödl, Jochen Schaible, Daniel Haller, Max Schrobenhauser, Collin Dymel, Benedikt Hildebrandt, Györg Molnar, Sebastian Neiss
  • Patent number: 10626784
    Abstract: A rotary type valve device includes a rotor having an internal passage and an opening portion which opens to an outer contour surface, a housing which supports the rotor to be rotatable and defines an axial passage communicating with the internal passage and a radial passage facing the outer contour surface and capable of communicate with the opening portion, a passage member disposed in the housing to define a part of the radial passage, and an annular seal member which seals a predetermined second clearance defined between the passage member and the housing, wherein the passage member includes an annular contact portion which is pressed so as to be in close contact with the outer contour surface by a pressure of a fluid flowing from the axial passage, and a pressed portion pressed by the pressure of the fluid flowing from the radial passage through the annular seal member.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: April 21, 2020
    Inventor: Shogo Akase
  • Patent number: 10619745
    Abstract: A high purity fluid control valve includes a moveable control plate having a flow-through passage to enhance fluid sweep of the internal valve volume. The valve is of jet and seat type using nested orifice ridges to achieve high conductance with small actuator movement. The flow-through control plate is especially useful in fast acting proportional control applications such as gas delivery in semiconductor manufacturing.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: April 14, 2020
    Assignee: VistadelTek, LLC
    Inventor: Kim Ngoc Vu
  • Patent number: 10604918
    Abstract: A faucet assembly includes a faucet body having a mounting axis in a direction the faucet body projects from a mounting point. The assembly further includes a valve housing projecting from the faucet body and a valve disposed in the valve housing. The valve is configured to rotate about an axis parallel to and offset from the mounting axis.
    Type: Grant
    Filed: December 23, 2016
    Date of Patent: March 31, 2020
    Assignee: KOHLER CO.
    Inventors: David E. Hansen, Rafael A. Rexach
  • Patent number: 10591071
    Abstract: A manifold that allows replaceable pressure relief components to be installed and replaced without requiring a system shut down. The manifold allows two pressure relief valves to be installed in separate pressure relief ports. The manifold also includes a valve switch that isolates each valve independently, while allowing the system to remain in operation. For example, in a first position, the manifold directs fluid flow to a first pressure relief valve, while a second pressure relief valve is isolated.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: March 17, 2020
    Assignee: Cyrus Shank Corporation
    Inventors: Frank Kruppe, Matt Powell
  • Patent number: 10591084
    Abstract: A steam valve includes: a valve casing; a first valve body; a second valve body; a second valve rod; a first valve rod; a first actuator capable of applying a first biasing force in the vertical direction to the first valve rod; a second actuator capable of applying a second biasing force in the vertical direction to the second valve rod; a first link mechanism disposed between the first actuator and the first valve rod and capable of transmitting the first biasing force; a second link mechanism disposed between the second actuator and the second valve rod and capable of transmitting the second biasing force, the second link mechanism having a linking part provided integrally with the second valve rod and a lever which is pin-coupled to the linking part; and a guide mechanism capable of regulating horizontal displacement of the linking part.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: March 17, 2020
    Inventors: Kensuke Futahashi, Hiroyuki Kanazawa, Kengo Imaoka, Katsuhisa Hamada
  • Patent number: 10578222
    Abstract: A multi-button waterway switching mechanism includes a fixed portion provided with a waterway switching unit and a driving mechanism. The waterway switching unit includes two valve cores that can move relative to the fixed portion, and the driving mechanism is provided with three buttons spaced side by side and parallel to the sliding direction of the fixed portion, the three buttons are divided into two first button and a second button, the two first button respectively drivingly connected to the two valve cores, the driving mechanism further comprises a transmission member, the second button drivingly connects the transmission member, and the transmission member drivingly connected to the two valve cores.
    Type: Grant
    Filed: July 3, 2018
    Date of Patent: March 3, 2020
    Inventors: Xi Huang, Mingfu Zhang, Weilong Luo, Wenxing Chen
  • Patent number: 10570592
    Abstract: The present invention provides a plumbing fixture fitting with a diverting system.
    Type: Grant
    Filed: April 29, 2017
    Date of Patent: February 25, 2020
    Assignee: FB Global Plumbing Group LLC
    Inventor: Ryan M. Snitil
  • Patent number: 10563785
    Abstract: An erosion prevention structure for a sealing surface of a valve includes a valve body, a valve seat, a valve core, a valve sleeve and a valve rod. A valve seat mounting hole is provided in the valve body and located between a medium outlet and a cavity; the valve seat is arranged in the valve seat mounting hole; the top surface of the valve seat is provided with an annular table; the outside surface of the annular table is a sealing surface A, wherein an included angle is formed between the sealing surface A and a horizontal surface; an annular flange is arranged at the bottom of the valve core and located at the outer side of the valve core; the inside surface of the annular flange is a sealing surface B, wherein an included angle is formed between the sealing surface B and a horizontal surface.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: February 18, 2020
    Inventors: Cenwenda Li, Wei Li