Patents Examined by Kenneth J. Hansen
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Patent number: 11703044Abstract: A multi-chamber wobble plate pump that includes a housing with an inlet port, an outlet port and a plurality of pump chambers. The pump further includes a plurality of inlet valves each located within one of the pump chambers to control fluid flow from the inlet port to the pump chambers. The pump also includes a plurality of outlet valves that control fluid flow from the pump chambers to the outlet port. A wobble plate is coupled to a diaphragm and a plurality of pistons. The diaphragm has at least one flex area with a leading edge and a trailing edge. The diaphragm has a plurality of diaphragm piston openings each with a diaphragm piston opening centerline. The wobble plate has a plurality of wobble plate piston openings, each wobble plate piston opening having a wobble plate piston open centerline that is offset from one of diaphragm piston opening centerlines.Type: GrantFiled: May 5, 2021Date of Patent: July 18, 2023Assignee: Aquatec Internationa, Inc.Inventors: Ivar L. Schoenmeyr, Sedat Delareyna
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Patent number: 11703061Abstract: Embodiments of the present invention provide systems and methods for mounting an electrically-powered device to a ceiling or other supporting structure. The electrically-powered device can be, for example, a ceiling fan, a ceiling fan with a lighting fixture, or a lighting fixture.Type: GrantFiled: January 8, 2021Date of Patent: July 18, 2023Assignee: Lowe's Companies, Inc.Inventors: James Michael Broughman, Dana Lynn Jodice, Jason Lu
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Patent number: 11698076Abstract: A refrigerant compressor includes a magnetic bearing assembly including insulation for the coils and lamination stack of the assembly. The lamination stack includes coil apertures extending axially between opposed axial faces. An insert partially extends into a first coil aperture to prevent direct contact between first and second coils. The insert includes a first leg extending into a slot formed in the lamination stack and a second leg radially spaced-apart from the first leg with the second leg extending axially into the first coil aperture. An annular cover having first and second legs extends into respective slots and apertures of the lamination stack. A second annular cover is provided on the opposite face of the coils that is connected to free ends of the second legs. The lamination stack and coils are coated with an insulative material such as epoxy.Type: GrantFiled: January 13, 2022Date of Patent: July 11, 2023Inventors: Delvis Anibal Gonzalez, Lin Xiang Sun
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Patent number: 11699937Abstract: A first elastic member is interposed between an outer peripheral surface of the circular core back portion and an inner wall surface of the second motor housing in a radial direction, both outer peripheral ends of the core back portion in the axial direction of the rotor are covered with the first elastic member, the first elastic member is assembled by being pinched between end surfaces of the first motor housing and the second motor housing which faces each other, and a second elastic member is assembled by being stacked between the bearing assembled in one of the pair of bearing housings and the bearing housing.Type: GrantFiled: July 20, 2021Date of Patent: July 11, 2023Assignee: SHINANO KENSHI KABUSHIKI KAISHAInventor: Yohei Maruyama
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Patent number: 11696983Abstract: A rotary pump for a fluid metering system is provided. The rotary pump reciprocates, and is reversed by a signal from a limit switch that is deflected by an actuator arm on a rotating sleeve of the pump system. The rotary pump includes a plunger and optional stopper formed from a two-shot molding process, and including seals overmolded onto the head of the plunger and the head of the optional stopper.Type: GrantFiled: August 5, 2020Date of Patent: July 11, 2023Assignee: Becton, Dickinson and CompanyInventors: Alessandro E. Pizzochero, J. Richard Gyory, Kenneth Focht, Justin Fisk, Joseph Gordon, Matthew J. Perry, Ajit D'Souza, Christopher Petroff
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Patent number: 11695312Abstract: An electric tool, a blower and a method of discharging electrostatic charge in an electric tool. The tool may include a housing, a motor supported by the housing and powered by a power source, the motor including a rotor, a fan supported by the housing and driven by the motor to cause an air flow, and a wire electrically connected between the rotor and a terminal of the power source and operable to dissipate electrostatic discharge in the tool.Type: GrantFiled: September 4, 2018Date of Patent: July 4, 2023Assignee: Milwaukee Electric Tool CorporationInventors: Daniel J. Brueck, Daniel R. Ertl
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Patent number: 11692535Abstract: An air compressor more reliably protects a battery pack without lowering its operability for attachment to and detachment from a battery mount. The air compressor includes an electric motor driven on power from a battery pack having six faces, an operation unit operable to connect or disconnect power to the electric motor, an compression unit driven by the electric motor to produce compressed air, a tank that stores the compressed air, a battery mount that receives an attachment face of the battery pack, and a guard defining a protective area to contain the battery pack and the compression unit. The battery pack is attachable to the battery mount with at least three of the six faces exposed.Type: GrantFiled: June 22, 2021Date of Patent: July 4, 2023Assignee: MAKITA CORPORATIONInventors: Noriyuki Nishido, Yasuhiro Morioka
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Patent number: 11692534Abstract: An axial piston pump having several pistons has a magnetic encoder (5), which is arranged on a swash plate, and a magnetic field sensor, which is arranged in such a way that it faces towards the magnetic encoder (5). The magnetic encoder (5) has at least two permanent magnets (2, 3) and a plate (4) which consists of a ferromagnetic material. The permanent magnets (2, 3) are arranged on the plate (4) in such a way that they each faces a magnetic pole towards the plate (4), and this pole is at least partially covered by the plate (4) in each case.Type: GrantFiled: December 17, 2020Date of Patent: July 4, 2023Assignee: Contelec AGInventors: Meric Amstutz, Rolf Bachmann
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Patent number: 11686314Abstract: A fan motor for a vacuum cleaner includes a motor mount defining a cooling flow path inlet, an impeller, an impeller cover defining an air inlet, an air discharge opening defined at the motor mount and configured to discharge air to an outer space of the motor mount, and a cooling flow path outlet defined vertically above the motor mount. The cooling flow path inlet is configured to introduce air from the outer space of the motor mount into an inner space of the motor mount to cool the motor part, and the cooling flow path outlet is configured to discharge air from the inner space of the motor mount toward a space that is defined between the impeller and the air discharge opening based on the space between the impeller and the air discharge opening having a lower pressure than the inner space of the motor mount.Type: GrantFiled: June 23, 2021Date of Patent: June 27, 2023Assignee: LG ELECTRONICS INC.Inventors: Jeong Ho Lee, Seong-Jae Kim, Seung Jo Baek, Young Gyu Jung, Hak Kyu Choi, Seong-Ho Cho
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Patent number: 11686304Abstract: A reciprocating compressor-expander according to the present invention comprises a cylinder, a piston, a crankshaft connected to the piston, a first valve for a low pressure compressible fluid, a second valve for a high pressure compressible fluid, and a valve drive mechanism for driving the first valve and the second respectively such that, during a compression process, the low-pressure compressible fluid is sucked into the cylinder from the first valve in synchronization with the rotation of the crankshaft and the high-pressure compressible fluid compressed in the cylinder is discharged from the second valve, and that, during an expansion process, the high-pressure compressive fluid is introduced from the second valve into the cylinder, and the low-pressure compressible fluid expanded in the cylinder is discharged from the first valve.Type: GrantFiled: September 30, 2020Date of Patent: June 27, 2023Assignee: MITSUI E&S MACHINERY CO., LTD.Inventor: Motoyuki Takahashi
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Patent number: 11680574Abstract: A blower includes a housing, a fan, a motor, and a speed regulator assembly including a switch for controlling the motor operation, a control member, and an actuating member both enabled to control the switch. The actuating member can move between an off state and an on state. The actuating member can move to a predefined limit position. The rotational speed of the motor corresponding to the predefined limit position is a predefined rotational speed. When the actuating member is in the off state, the motor stops running. When the actuating member is in the on state, the motor rotates. The control member has at least a first control state and a second control state. In the second control state, the motor runs at a maximum rotational speed. In the first control state, the motor runs at an intermediate speed lower than the maximum rotational speed.Type: GrantFiled: March 1, 2021Date of Patent: June 20, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Peng Zhou, Toshinari Yamaoka
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Patent number: 11680563Abstract: A compressor includes a casing, a motor, a cylinder block including a cylinder, and a piston. The motor include a stator and a rotor located outside the stator, a rotary shaft coupled to the rotor, and a rotor frame that accommodates the rotor and the rotary shaft and that is configured to rotate together with the rotor and transmit rotational force of the rotor to the rotary shaft. The rotary shaft includes an eccentric part configured to rotate based on the rotational force of the rotor and located at a position offset from a rotational axis of the rotary shaft. The piston is coupled to the rotary shaft and configured to reciprocate in the cylinder based on rotation of the eccentric part. The rotor frame has a mass distribution configured to compensate an unbalance force generated by movement of at least one of the piston or the eccentric part.Type: GrantFiled: September 20, 2019Date of Patent: June 20, 2023Assignee: LG Electronics Inc.Inventors: Jongmok Lee, Kyeongho Kim
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Patent number: 11680584Abstract: A fan has an external rotor motor with a motor section and an electronics section. The motor section and the electronics section are arranged axially adjacent to each other along the axis of rotation. The fan, when operated as intended, generates, via the fan wheel, a pressure difference between its suction side, which is preferably associated with the rotor, and its pressure side, which is preferably associated with the motor electronics. A continuous cooling duct runs within the external rotor motor from a pressure-side inflow opening, at least along sections of the rotor, to a suction-side outflow opening. An exclusively passive cooling air flow through the cooling duct can be generated in operation by the pressure difference generated by the fan wheel.Type: GrantFiled: January 12, 2021Date of Patent: June 20, 2023Assignee: ebm-papst Mulfingen GmbH & Co. KGInventors: Christian Haag, Tobias Schmidt, Wolfgang Buerckert
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Patent number: 11680586Abstract: A Venturi type ejector having a feed duct for feeding fluid under pressure with the duct extending along a central axis. A first expansion chamber is connected to the feed duct; a first mixing chamber is connected to the expansion chamber; a first suction chamber is connected to the mixing chamber; and an exhaust chamber is connected to the first mixing chamber. The ejector where the fluid under pressure penetrates into the first expansion chamber along a plurality of directions extends in a plane that is substantially orthogonal to the central axis. A vacuum generator includes such an ejector.Type: GrantFiled: January 11, 2019Date of Patent: June 20, 2023Assignees: COVAL, INSTITUT NATIONAL DES SCIENCES APPLIQUEES DE TOULOUSEInventors: Lucien Baldas, Stéphane Orieux, Loïc Joguet, Michel Cecchin, Pierre Milhau
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Patent number: 11674505Abstract: A swash-plate type piston pump includes a cylinder block configured to be rotated with rotation of a driving shaft, a plurality of pistons accommodated in a plurality of cylinders provided in the cylinder block, a swash plate configured to reciprocate the piston so that a volume chamber of the cylinder is expanded/contracted with the rotation of the cylinder block, an biasing mechanism configured to bias the swash plate in a direction where a tilting angle is made larger, a control pin configured to drive the swash plate in a direction where the tilting angle is made smaller in accordance with a rise in a load pressure of a pressure chamber, and a discharge channel configured to discharge the load pressure of the pressure chamber.Type: GrantFiled: April 6, 2022Date of Patent: June 13, 2023Assignee: KYB CORPORATIONInventors: Tetsuya Iwanaji, Masaya Abe, Takeshi Kodama
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Patent number: 11673675Abstract: An aspirator air vent valve may include an air vent valve body coupled with an aspirator body and a pipe fitting. The air vent valve body may include an air vent valve air channel defined by an inner wall of the air vent valve body and disposed between the aspirator body and the pipe fitting. The aspirator air vent valve may further include a vent passage defined by a first vent wall and a second vent wall and disposed between an outer wall and the inner wall of the air vent valve body, wherein the vent passage is in fluid communication with the air vent valve air channel. The aspirator air vent valve may further include a plunger coupled with the air vent valve body.Type: GrantFiled: September 21, 2021Date of Patent: June 13, 2023Assignee: Goodrich CorporationInventors: José Morales, Michael A. Luzader
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Patent number: 11668309Abstract: Provided is a vacuum component capable of evacuation by a getting effect, which has a large maximum number of captured molecules and a long working life. It is provided, in an area around its central axis, with a hollow cylindrical electrode 20 having an electrode surface 20A that is sufficiently smaller than an inner surface 10A of the vacuum container 10, along the central axis. In the vacuum container 10, it is possible to realize any one of states among a first state of generating DC discharge by introducing Ar into the inside and setting the electrode surface 20A at a positive potential, a second state of setting the electrode surface 20A at a ground potential without introducing Ar, and a third state of generating DC discharge by introducing Ar into the inside and setting the electrode surface 20A at a negative potential. Evacuation by the vacuum component 1 is performed in the second state.Type: GrantFiled: July 28, 2021Date of Patent: June 6, 2023Assignee: JAPAN ATOMIC ENERGY AGENCYInventor: Junichiro Kamiya
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Patent number: 11668291Abstract: The present disclosure provides an oil scavenge pump, which includes a cap member, a piston member and a resilient member. The cap member and the piston member are connected to each other and with the resilient member therebetween. The cap member includes a cap head, a valve connected to the cap head, a resilient unit disposed between the cap head and the valve, and a first sphere disposed between the resilient unit and the valve. The piston member includes a valve stopper, a main portion, a second sphere, a rod portion, a first-seal ring and a second-seal ring. The main portion has two ends respectively connected to the valve stopper and the rod portion. The second sphere is disposed between the valve stopper and the main portion. The first-seal ring and the second-seal ring respectively surround the main portion and the rod portion.Type: GrantFiled: September 29, 2021Date of Patent: June 6, 2023Assignee: CHIPMAST AUTOTRONIX CO., LTD.Inventors: Hung-Ta Kuo, Chi-Ju Lee
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Patent number: 11668210Abstract: Systems and methods for intermittent supply of lubricating oil to a tip of a rocker arm assembly. In one embodiment, a lubricating oil may be selectively to a tip of a rocker arm via oil channels aligned only during opening of a valve coupled to the tip.Type: GrantFiled: September 15, 2020Date of Patent: June 6, 2023Assignee: Powerhouse Engine Solutions Switzerland IP Holding GmbHInventors: Sandeep Namadev Kamble, John Patrick Dowell, Samir Vikas Joshi
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Patent number: 11668321Abstract: A pump is provided with a housing and with an upstream inlet and a downstream outlet and a fluid channel with a channel axis, said fluid channel being arranged between the inlet and outlet. A rotor which can be brought into rotation by way of a motor is arranged within the fluid channel. Furthermore, a sensor arrangement is provided which can detect an inclination of the rotation axis of the rotor.Type: GrantFiled: May 27, 2019Date of Patent: June 6, 2023Assignee: Berlin Heart GmbHInventors: Hendryk Richert, Oliver Peters
