Patents Examined by Charles G. Freay
  • Patent number: 11859622
    Abstract: A blower includes a housing including an inlet and an outlet, a bearing-housing structure provided to the housing and adapted to rotatably support a rotor, a motor provided to the bearing-housing structure and adapted to drive the rotor, and an impeller provided to the rotor. The bearing-housing structure includes a bearing shaft having a bearing surface that rotatably supports the rotor. The bearing shaft provides only a single bearing of the non-ball bearing type for the rotor.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: January 2, 2024
    Assignee: ResMed Motor Technologies Inc.
    Inventors: Samuel Aziz Mebasser, Peter Jeffrey Thomas, Roman Vinokur, Kevin Gene McCulloh, William S Lane, Yeu-chuan Hsia, Michael David Bednar, John Paul Freese, Karl Yutaka Iwahashi, David Brent Sears, Barton John Kenyon, Richard G Krum, Par Egron Dannas, Hiroshi Suzuki, Malcolm Edward Leader
  • Patent number: 11855503
    Abstract: A motor-driven compressor includes a plurality of motor wires and an insulating terminal container. The motor wires include portions covered with an insulating tube and distal ends at which a connection terminal is provided. The terminal container includes a cluster block and a terminal holder. The cluster block accommodates the connection terminal and has an opening. The terminal holder holds the connection terminal and has a lid that closes the opening. The cluster block includes a base portion. The lid has a cutout that receives the tube. The lid is in contact with the base portion such that a part of a hole defined by the cutout is closed by the base portion.
    Type: Grant
    Filed: September 23, 2020
    Date of Patent: December 26, 2023
    Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Hiroki Takayama, Shozo Hamana, Taku Adaniya
  • Patent number: 11846282
    Abstract: A high pressure pump comprising a fluid end mechanically coupled to a power end. The power end is modular and comprises a crankshaft section, a crosshead section, and a connector section coupled together by a first set of stay rods. The fluid end comprises a plurality of fluid end sections positioned in a side-by-side relationship. Each of the plurality of fluid end sections are attached to the power end using a plurality of second set of stay rods.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: December 19, 2023
    Assignee: Kerr Machine Co.
    Inventors: Mark S. Nowell, Kelcy Jake Foster, Micheal Cole Thomas, Christopher Todd Barnett, Nicholas Son, John Keith, Guy J. Lapointe, Michael Eugene May
  • Patent number: 11846280
    Abstract: A flushing pump including: a pump configured to draw fluid from a reservoir and expel the drawn fluid from a fluid outlet; a processor configured to control operation of the pump; and a remote controller connection port in electrical communication with the processor. The remote controller connection port including: an output system connection point; an input system connection point; a debugging connection point; and a ground connection point held at a reference voltage level. Wherein the processor is configured to output diagnostic information to the output system connection point in response to the debugging connection point receiving a signal at the reference voltage level.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: December 19, 2023
    Assignee: KEYMED (MEDICAL & INDUSTRIAL EQUIPMENT) LIMITED
    Inventors: Chu Wang, Simon Morrison, Gareth Sykes
  • Patent number: 11840995
    Abstract: In order to provide a piston device that is of simple construction and provides optimised sealing, it is proposed that the piston device should include the following: a housing that includes a piston receptacle; a piston that is arranged to be linearly displaceable in the piston receptacle; a main gasket element that separates a first medium space from a second medium space, and a supplementary gasket element, different from the main gasket element, for sealing in a region between the piston and the piston receptacle.
    Type: Grant
    Filed: November 24, 2018
    Date of Patent: December 12, 2023
    Assignees: ElringKlinger AG, ElringKlinger Kunststofftechnik GmbH
    Inventors: Patrick Klein, Klaus Hocker, Fabian Kopp
  • Patent number: 11835044
    Abstract: A rotary compressor includes a first cylinder, a first piston and a drive shaft. The drive shaft includes a first eccentric portion, a first shaft portion rotatably supported by a first bearing, and a first coupling portion coupling the first shaft portion with the first eccentric portion. The first piston is fitted to the first eccentric portion. The first shaft portion has a cylindrical shape coaxial with the rotational center axis. Re1?e1<R1. Re1 is a radius of the first eccentric portion. R1 is a radius of the first shaft portion. e1 is an eccentricity of the first eccentric portion. An outer surface of the first coupling portion does not extend radially out of an outer surface of the first eccentric portion. The first coupling portion includes a reinforcement portion with an outer surface positioned radially outside an outer surface of the first shaft portion.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: December 5, 2023
    Assignee: Daikin Industries, Ltd.
    Inventors: Takazou Sotojima, Hirofumi Higashi, Kousuke Nishimura
  • Patent number: 11835045
    Abstract: A rotary compressor includes a compression mechanism, a casing, a motor stator and a motor rotor. The motor stator includes stacked steel plates, teeth, and slots. The stacked steel plates are fixed to an inner surface of the casing. A number of the teeth and slots is nine. The motor rotor rotates a crankshaft to drive the compression mechanism. The stacked steel plates have first to ninth areas radially outside the nine teeth, first concave portions provided in five of the areas, and a second concave portion provided in at least one of four areas other than the five areas. The five first concave portions and an inner circumferential surface of a cylindrical portion form five first passages. The second concave portion and the inner circumferential surface of the cylindrical portion form at least one second passage.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: December 5, 2023
    Assignee: Daikin Industries, Ltd.
    Inventors: Yuuichi Yamamoto, Makoto Adachi
  • Patent number: 11835040
    Abstract: A method and a device for controlling a capacity change of a compressor, and a smart home appliance. The method includes: determining whether a capacity of the compressor is required to be changed; if yes, determining an intermediate frequency; changing the capacity of the compressor while maintaining the operating frequency of the compressor at the intermediate frequency; and the maintaining the operating frequency of the compressor at the intermediate frequency reduces a sudden change in output of the compressor after the changing the capacity.
    Type: Grant
    Filed: December 22, 2018
    Date of Patent: December 5, 2023
    Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI
    Inventors: Kai Yu, Longfei Li, Qunbo Liu, Yi Ni, Ke Xu, Yaopeng Rong, Zhongqiu Zhang, Zhenjiang Zhao
  • Patent number: 11833341
    Abstract: A heart pump including: a housing forming a cavity including: at least one inlet aligned with an axis of the cavity; and, at least one outlet provided in a circumferential outer wall of the cavity; an impeller provided within the cavity, the impeller including vanes for urging fluid from the inlet to the outlet; and, a drive for rotating the impeller in the cavity and wherein a flow path through the pump has a minimal cross-sectional area of at least 50 mm2.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: December 5, 2023
    Assignee: BIVACOR Inc.
    Inventor: Daniel Timms
  • Patent number: 11835039
    Abstract: A method for monitoring the functioning of a compressor, which is switchable into a delivery mode and, when in the delivery mode, delivers compressed air via a dryer line of a compressed-air preparation unit into at least one main supply line, from which multiple supply lines of compressed-air consumer circuits branch off, wherein a pressure sensor is connected at each of at least some of the supply lines, is disclosed. The method results in outputting a warning message if a weighted pressure gradient grd_pV_W has not exceeded a gradient limiting value grd_pG_W within a predefined monitoring time period TM.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: December 5, 2023
    Assignee: ZF CV Systems Hannover GmbH
    Inventors: Stefan Brinkmann, Dirk Hillbring, Heinrich Diekmeyer
  • Patent number: 11828277
    Abstract: The present disclosure is directed to a system for fracturing operation in oil/gas fields. The disclosed fracturing system is integrated onto a semitrailer that can be conveniently transported to any oil field. The disclosed fracturing system further includes major components needed for delivering high-pressure fracturing fluid into a wellhead, including but not limited to at least one power generation source and at least one plunger pump driven by the at least one power generation source via simple transmission mechanisms utilizing reduction gearbox and/or transmission shafts. The power generation source, in particular, includes a turbine engine capable of being powered by 100% natural gasified liquid fuel. The fracturing system further includes hydraulic and cooling component for serving the various needs for the turbine engine, the reduction gearbox, and the plunger pump, such as lubrication of various moving parts.
    Type: Grant
    Filed: October 19, 2022
    Date of Patent: November 28, 2023
    Assignee: Yantal Jereh Petroleum Equipment & Technologies Co., Ltd.
    Inventors: Rikui Zhang, Xiance Li, Xincheng Li, Chunqiang Lan, Yipeng Wu, Zhuqing Mao, Sheng Chang, Xiaolei Ji, Jixin Wang, Peng Zhang
  • Patent number: 11828280
    Abstract: A pump for use with a tube, having a rotor having an axis of rotation and a plurality of rollers configured to define an orbital path about the axis of rotation, the orbital path defined by a radius, and a roller bed having a surface adapted to support the tube for peristaltic compression by one or more rollers, wherein the surface has a predetermined profile comprising a circular arc segment and at least one side segment, the arc segment having a first curvature defined by the radius, and the at least one side segment having a second curvature lesser than the first curvature.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: November 28, 2023
    Assignee: BIOSENSE WEBSTER (ISRAEL) LTD.
    Inventors: Itzhak Fang, Andrei Szilagyi, Alexander Lifshitz, Jack Walker, Sean Yasuo Sullivan
  • Patent number: 11828276
    Abstract: The present disclosure relates to an adjusting device for adjusting the swash plate of an axial piston machine comprising an adjusting piston, which is connected to the swash plate of the axial piston machine via an adjusting lever, and a regulator for adjusting the adjusting pressure acting on the adjusting piston in dependence on a control force acting on a control piston of the regulator, wherein the adjusting piston is connected to the control piston via a feedback spring. In accordance with the present disclosure the feedback spring is at least partly received in a pot-shaped recess of the control piston.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 28, 2023
    Assignee: LIEBHERR MACHINES BULLE SA
    Inventor: Patrick Wohlhauser
  • Patent number: 11821431
    Abstract: An electrical submersible pump has a stack of diffusers within the housing, each of the diffusers having a conical upper shoulder and a conical lower shoulder. The lower shoulder of each of the diffusers is in abutment with the upper shoulder of an adjacent one of the diffusers. The upper and lower shoulders of each of the diffusers slope downward and outward relative to the axis. Impeller hubs have conical upper and lower ends. At least some of the upper ends of the hubs abut and transfer up thrust to the lower end of an adjacent one of the hubs. At least some of the lower ends of the hubs abut and transfer down thrust to the upper end of an adjacent one of the hubs.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: November 21, 2023
    Assignee: BAKER HUGHES OILFIELD OPERATIONS, LLC
    Inventors: Zheng Ye, Michael Forsberg, Risa Rutter, Brett T. Williams
  • Patent number: 11821414
    Abstract: A fluid control apparatus (10) includes a first major plate (20), a piezoelectric device (30), a second major plate (40), a peripheral plate (50), a first film (61), and a second film (62). A space enclosed by the first major plate (20), the second major plate (40), and the peripheral plate (50) serves as a pump chamber (100) of the fluid control apparatus (10). A rectification base member (80) is provided between the first major plate (20) and the second major plate (40). The first film (61) is provided on the first major plate (20) and includes a movable portion positioned closer to the peripheral plate (50) than a fixed end thereof. The second film (62) is provided on a major surface (802) of the rectification base member (80) and includes a movable portion positioned across the fixed end thereof from the peripheral plate (50).
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: November 21, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Nobuhira Tanaka
  • Patent number: 11821441
    Abstract: Various systems are provided for a single turbocharger case housing each of turbine of a turbocharger and a bearing of the turbocharger. In one example, an apparatus for an engine includes an integrated, monolithic turbocharger case that houses each of a turbine and a bearing of a turbocharger and a nozzle ring integrated into the turbocharger case between the turbine and the bearing. In further examples of the system, portions of the turbocharger case are formed of a lattice structure.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: November 21, 2023
    Assignee: TRANSPORTATION IP HOLDINGS, LLC
    Inventors: Louis Kobielski, Baris Uygun, Adam Felton
  • Patent number: 11815076
    Abstract: A system and a method for producing fracturing fluid, comprising: engaging an engagement coupling attached to one end of a gear box dual shaft to a gear box connector of an external gear box, wherein the external gear box is part of a pump; rotating the gear box dual shaft to drive the pump after engaging the engagement coupling with the gear box connector; disengaging the engagement coupling from the gear box connector; and rotating the gear box dual shaft without driving the pump after disengaging the engagement coupling with the gear box connector.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 14, 2023
    Assignee: TYPHON TECHNOLOGY SOLUTIONS (U.S.), LLC
    Inventor: Jeffrey G. Morris
  • Patent number: 11815083
    Abstract: A system can include one or more processors; memory; a data interface that receives data; a control interface that transmits control signals for control of pumps of a hydraulic fracturing operation; and one or more components that can include one or more of a modeling component that predicts pressure in a well fluidly coupled to at least one of the pumps, a pumping rate adjustment component that generates a pumping rate control signal for transmission via the control interface, a capacity component that estimates a real-time pumping capacity for each individual pump, and a control component that, for a target pumping rate for the pumps during the hydraulic fracturing operation, generates at least one of engine throttle and transmission gear settings for each of the individual pumps using an estimated real-time pumping capacity for each individual pump where the settings are transmissible via the control interface.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: November 14, 2023
    Assignee: Schlumberger Technology Corporation
    Inventors: Nan Mu, Yan P. Kuhn De Chizelle, Florence Binet, Manbro Lee, Alexander Tanner Taylor, Bryan Suharik, Clare Schoene, James Matthews, Bao Mi, Muktabh Anchlia
  • Patent number: 11808266
    Abstract: A submersible pump (100) is a submersible pump (100) in which a one-sided waterway (6) extending along a rotation shaft (1) is provided on one side of a submersible pump main body (100a), and includes an impeller (4); and a pump casing (5) in which the impeller (4) is arranged, in which the pump casing (5) includes a tongue portion (53) that is arranged between a pump chamber (5a) in which the impeller (4) is arranged and an inlet opening (6a) of the one-sided waterway (6) when viewed from an axial direction of the rotation shaft (1), and a connection waterway (54) that is provided between the tongue portion (53) and an inner surface (55) of the pump casing (5), and is directly connected to the inlet opening (6a) from an upstream side when viewed from the axial direction of the rotation shaft (1).
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: November 7, 2023
    Assignee: Tsurumi Manufacturing Co., Ltd.
    Inventors: Yasushi Torimoto, Hisakazu Shinya, Yutaka Terada
  • Patent number: 11808256
    Abstract: Provided are a discharge plenum integrated with a valve stopper and a linear compressor including the discharge plenum. The valve stopper includes a radial member that extends radially and an axial member that extends axially from a radial inner end of the radial member. The axial member may have a tubular shape. The axial member may define a slot flow path that extends axially. The radial member may include a peripheral hole that extends axially. The radial inner side of the radial member may define a central hole of the axial member. The slot flow path and the peripheral hole may minimize a pressure drop and energy loss of a high-pressure fluid flowing from a compression portion to a discharge portion.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: November 7, 2023
    Assignee: LG ELECTRONICS INC.
    Inventors: Youngmun Lee, Kyunyoung Lee, Kiwon Noh