Patents Examined by Charles G. Freay
  • Patent number: 11802555
    Abstract: A piezoelectric pump includes a first faceplate, a second faceplate, a diaphragm, a first peripheral wall, and a second peripheral wall. The diaphragm includes a vibrating portion to which a piezoelectric device is attached, a frame portion, and a connecting portion. The connecting portion defines a third opening that allows a first pump chamber and a second pump chamber to communicate with each other. The first pump chamber is provided with an annular first valve surrounding a first opening at a distance from the first opening in plan view from a major surface of the first faceplate toward a major surface of the diaphragm.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: October 31, 2023
    Inventors: Nobuhira Tanaka, Masaaki Fujisaki
  • Patent number: 11802550
    Abstract: In a displacement metering pump, comprising a cylinder housing, which has a product inlet and a product outlet and in which a sealed displacement piston can be moved back and forth, the cylinder housing, with a piston rod seal fixedly installed therein for the displacement piston forming a piston rod and with the placement of the product inlet and the product outlet, has no dead space and is self-emptying, i.e. can be flawlessly cleaned with respect to CIP hygiene.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: October 31, 2023
    Inventor: Soenke Hartung-Rey
  • Patent number: 11793321
    Abstract: A pump assembly is provided for use with an inflatable product. The inflatable product has a chamber having an air inlet and an air outlet. The pump assembly has a pump unit that is positioned inside the chamber for inflating and deflating the chamber, the pump unit having at least one motor that is operatively coupled to a first blower and a second blower, with the first blower fluidly coupled to the air inlet and the second blower fluidly coupled to the air outlet. The chamber is inflated by intake of air through the air inlet to the first blower and then into the chamber, and the chamber is deflated by drawing air from the chamber to the second blower and then out of the chamber through the air outlet.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: October 24, 2023
    Inventors: Vincent W. S. Lau, Shouguo Long
  • Patent number: 11795939
    Abstract: A pump installation member has a first and second mutually discrete support members to be secured to predetermined installation portions of the first and second pump units, respectively. The pump installation member further has installation elastic members to be set between the first and second support members and the installation surface. The installation elastic members are elastically deformable as the first and second support members are displaced toward the installation surface when the first and second support members are fastened to the installation surface.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: October 24, 2023
    Assignee: NITTO KOHKI CO., LTD.
    Inventors: Kazumasa Kaiya, Hiroshi Nishitsuji
  • Patent number: 11795935
    Abstract: A pump is disclosed. The pump including an outer casing having a cavity therein; a pump assembly positioned in the cavity of the outer casing, the pump assembly including: a discharge tube; a check valve operably connected to the discharge tube by a coupling; and a multi-float control assembly, the multi float control assembly including a bottom float check valve operably connected to the discharge tube by the coupling and an upper float check valve connected to a vent.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: October 24, 2023
    Assignee: PumpOne Environmental, LLC
    Inventors: Kerry Shawn Devinney, Douglas John Blew
  • Patent number: 11795977
    Abstract: A pump housing may accommodate a pump unit and a pump motor, especially for a lumbar support function or massage function for mounting in a vehicle seat, wherein the pump motor and the pump unit are attached to one another along a longitudinal axis, and furthermore may support the pump motor with at least two flexible support elements in a radial direction and a second coil spring in an axial direction. Related pump and seat concepts are also disclosed.
    Type: Grant
    Filed: April 7, 2020
    Date of Patent: October 24, 2023
    Assignee: Alfmeier Präzision SE
    Inventors: Erich Dörfler, Ronny Gehlmann, Helmut Auernhammer
  • Patent number: 11795933
    Abstract: A pump unit (100) includes a plurality of piezoelectric pumps (1), a flow path-defining member (50), and a heat-dissipating part (60). The plurality of piezoelectric pumps (1) each include a first flow path for sucking and discharging of fluid. The flow path-defining member (50) includes a second flow path for connection to the first flow paths in the plurality of piezoelectric pumps (1). Heat generated in the plurality of piezoelectric pumps (1) is dissipated through the heat-dissipating part (60). The heat-dissipating part (60) is disposed between the flow path-defining member (50) and each of the plurality of piezoelectric pumps (1). The heat-dissipating part (60) has through-holes through which the first flow paths are connected to the second flow path.
    Type: Grant
    Filed: June 30, 2021
    Date of Patent: October 24, 2023
    Inventors: Yoshio Yamanaka, Masahiro Sasaki, Kenjiro Okaguchi, Shinichiro Matsumoto, Shizuka Ueda
  • Patent number: 11788518
    Abstract: Embodiments of the present invention are directed to a low-profile solar-powered flood control device suitable for use on public roads, sidewalks, parking lots, and similar areas subject to pedestrian and vehicle traffic comprising a two-part housing with a low-profile cover and a mounting plate, a solar panel, a battery, a controller, a pump unit, inlet holes, inlet filters, a hose, and pump-hose connections. The low-profile cover is provided with separate battery and pump compartments to isolate the battery and controller from the pump unit and any water drawn into the housing. The flood control device may include a sensor for detecting the presence of water and turning the pump unit on and off. The controller is connected to the solar panel and the pump unit and may be configured to optimize battery charging for poor or indirect lighting conditions.
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: October 17, 2023
    Inventors: David H. Henry, Peter A. Henry
  • Patent number: 11786923
    Abstract: Disclosed is a metering pump comprising a housing that extends from an inlet region to an outlet and surrounds a piston which is urged into a starting position by a compression spring. In the metering pump the stop limiting the lifting stroke of the piston is formed by the lower end of the piston coming in contact with the inlet portion.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: October 17, 2023
    Assignee: Crystal International, Inc.
    Inventor: Gerhard Brugger
  • Patent number: 11788395
    Abstract: An oilfield pressure pumping system is configured to perform a preliminary fracturing stage or operation at a high pressure but slow speed before initiating normal fracturing. The oilfield pressure pumping system includes an auxiliary underdrive system that can drive the transmission at a slower input speed that can be provided by an idle speed of the power unit's engine to facilitate different fracturing modes, including a preliminary fracturing mode during a slow speed high pressure preliminary fracturing stage. The auxiliary underdrive system may include a hydrostatic transmission driven by the engine and which drives the transmission at an underdrive speed that would correspond to a sub-idle engine speed driving the transmission.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: October 17, 2023
    Assignee: Twin Disc, Inc.
    Inventor: Edwin E. Wilson
  • Patent number: 11788519
    Abstract: The present invention may disclose a turbine fracturing equipment, including a transporter, a turbine engine, a reduction gearbox, a transmission mechanism and a plunger pump, wherein an output end of the turbine engine may be connected to one end of the reduction gearbox, the other end of the reduction gearbox may be connected to the plunger pump through a transmission mechanism; the transporter may be used to support the turbine engine, the reduction gearbox, the transmission mechanism and the plunger pump; the transporter may include a chassis provided with a transport section, a bearing section and a lapping section which may be connected in sequence; while the turbine fracturing equipment may be in a working state, the bearing section can contact with the ground, while the turbine fracturing equipment may be in a transport state, the bearing section may not contact with the ground.
    Type: Grant
    Filed: November 22, 2021
    Date of Patent: October 17, 2023
    Assignee: Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    Inventors: Rikui Zhang, Yipeng Wu, Chunqiang Lan, Xincheng Li, Xiance Li, Sheng Chang, Xiaolei Ji, Zhuqing Mao
  • Patent number: 11781544
    Abstract: A rotor system comprising a driveshaft; at least one motor for providing rotational energy for the driveshaft; an overrunning clutch connected to the motor and disposed around the driveshaft, wherein the overrunning clutch is rotated by the at least one motor; and a pump assembly associated with the at least one motor, the pump assembly comprising a large bore through which the driveshaft passes such that the pump assembly is arranged concentric to the driveshaft, the pump assembly further comprising a gerotor pump comprising inner and outer gerotor pump gears, wherein an inner bore of the gerotor pump engages and is driven by the overrunning clutch; and a cover disposed over the gerotor pump for providing a sump for the gerotor pump.
    Type: Grant
    Filed: October 20, 2020
    Date of Patent: October 10, 2023
    Inventors: Grant Beall, Stephen Yibum Chung
  • Patent number: 11771003
    Abstract: A transfer assembly for attachment to a front portion of an agricultural vehicle, i.e. forage harvester, and a method of use are disclosed. The transfer assembly includes a frame, a pump and an air compressor, along with appropriate drive mechanisms. The agricultural vehicle has an engine and drive mechanisms including a first driven pulley. The pump is connected to the first driven pulley through second and third driven pulleys. The pump is secured to the frame and has a fluid inlet and a fluid outlet. A transfer pipe routes the fluid or manure away from the pump and has a coupling connected to its second end. The coupling enables a flexible hose to be attached to it so that the fluid or manure can be directed to another location, such as onto a field. The transfer assembly also includes a control mechanism for operating the pump, air compressor, etc.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: October 3, 2023
    Inventors: Robb J. Vanderloop, Carey L. Vanderloop
  • Patent number: 11773834
    Abstract: A linear cleaning peristaltic metering pump includes a pump body, a hose fixing accessory and an anti-backflow accessory. The hose fixing accessory is configured for arranging a working hose. The anti-backflow accessory is configured for clamping and loosening the working hose. The pump body is configured for performing reciprocating motion to clamp or loosen the working hose, thereby realizing a pumping effect by metering pump. The anti-backflow accessory is in cooperation with the pump body. The pump body comprises a roller lifting assembly, a roller hose-pressing assembly, a pump body outer cover assembly and a power transmission part. The power transmission part is configured for driving the roller lifting assembly to perform lifting linear motion, thereby driving the roller hose-pressing assembly to move and to clamp or loosen the working hose.
    Type: Grant
    Filed: July 11, 2019
    Date of Patent: October 3, 2023
    Inventors: Zhen Liu, Bo Yang, Haijun Tao, Weiquan Cheng
  • Patent number: 11773838
    Abstract: A compressor includes a compression mechanism that compresses refrigerant, and an electromotive mechanism that drives the compression mechanism. A shell accommodates the compression mechanism and the electromotive mechanism, with a reservoir inside the shell and that stores mixed liquid including liquid refrigerant and refrigerating machine oil. An electrode is provided inside the reservoir and faces an inner surface of the shell.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: October 3, 2023
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yuki Tamura, Shuhei Koyama, Takashi Ishigaki
  • Patent number: 11767834
    Abstract: A disposable single-piston dual-action reciprocating pump part includes a single piston, an output port, and a balloon damper. The output port is configured for outputting fluid pumped by the single piston. The balloon damper is fitted in the output port, and the balloon damper is configured to suppress a pulsation in a flow rate of the outputted fluid.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: September 26, 2023
    Inventors: Yehuda Algawi, Assaf Govari, Ilya Sitnitsky, Gili Attias
  • Patent number: 11761460
    Abstract: A pressure exchanger includes a rotor, a seal plate, and a seal structure. The rotor is configured to exchange pressure between a first fluid and a second fluid. The seal plate has a first substantially planar seal plate surface and a second substantially planar seal plate surface disposed opposite the first substantially planar seal plate surface. A piston structure extends from the first substantially planar seal plate surface to form a substantially planar piston surface that has a surface area and is substantially parallel to the first substantially planar seal plate surface. The seal plate and the piston structure form a hydraulic chamber routed from a first opening formed by the substantially planar piston surface to a second opening formed by the second substantially planar seal plate surface. The seal structure is configured to couple the second substantially planar seal plate surface to a corresponding surface of the pressure exchanger.
    Type: Grant
    Filed: August 31, 2022
    Date of Patent: September 19, 2023
    Assignee: Energy Recovery, Inc.
    Inventor: Alexander Patrick Theodossiou
  • Patent number: 11761379
    Abstract: Various systems are provided for an axially split turbocharger case housing each of a turbine of a turbocharger, a compressor of the turbocharger, and a bearing of the turbocharger. In one example, an apparatus for an engine includes a first monolithic component and a second monolithic component that, when coupled together, form a turbocharger case configured to house each of a turbine, a compressor, and a bearing, the first and second monolithic components, when coupled together, also forming a compressor shroud and a turbine shroud. In further examples of the system, portions of the turbocharger case are formed of a lattice structure.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: September 19, 2023
    Inventors: Louis Kobielski, Adam Felton
  • Patent number: 11761439
    Abstract: A fluid control device includes: a case that includes a case top plate having a first vent hole, a case side plate, and a case bottom plate having a second vent hole; a pump body; and a holding member that holds the pump body relative to the case. The pump body includes a first main plate, a second main plate that faces one main surface of the first main plate, a side plate, and a driving member that is arranged on the first main plate. The first main plate includes a plurality of first openings arranged in a ring shape. The second main plate is arranged at a side of the first main plate nearer the case top plate and has a second opening at a position that overlaps the first vent hole in a plan view.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: September 19, 2023
    Inventor: Nobuhira Tanaka
  • Patent number: 11754062
    Abstract: A method comprises: heating a flow of coolant liquid by passing the flow through one or more fluidic tubing lines, channels or conduits that are in thermal contact with a housing of a vacuum pump; apportioning the flow of heated coolant liquid between a bypass fluid tubing line and a channel within a wall of a vacuum chamber; recombining the first and second partial flows of the heated coolant liquid; passing the recombined flow of the coolant liquid through a heat exchanger that cools the coolant liquid; and recirculating the cooled coolant liquid through the one or more fluidic tubing lines, channels or conduits that are in thermal contact with the vacuum pump housing, wherein the apportionment of the flow of the heated coolant liquid is automatically performed under the control of an electronic controller or computer in response to a temperature measurement received by the electronic controller or computer.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: September 12, 2023
    Inventors: Jaime A. Carrera, Dustin J. Kreft