Patents Examined by Charles G. Freay
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Patent number: 11952993Abstract: A compressor assembly has a pulley assembly and a compressor, with a mounting plate mounted therebetween. The compressor includes a front head, a rear head, and a piston assembly operably mounted between the front head and the rear head. A plurality of case bolts extend through the mounting p late, the front head, and into the rear head.Type: GrantFiled: July 28, 2022Date of Patent: April 9, 2024Inventor: Steven M Sunday
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Patent number: 11952992Abstract: A linear compressor includes: a frame comprising a body portion, a flange portion extending from a front side of the body portion along a radial direction of the body portion, and a bearing communication hole that is in fluid communication with a front surface of the flange portion and an inner circumferential surface of the body portion, a cylinder coupled to the body portion, a piston that is disposed in the cylinder and that is configured to reciprocate along an axial direction of the cylinder, and a valve member that is disposed at the frame and that is configured to open and close the bearing communication hole based on a pressure of air between the cylinder and the piston.Type: GrantFiled: October 18, 2021Date of Patent: April 9, 2024Assignee: LG Electronics Inc.Inventors: Wooju Jeon, Kyungmin Lee, Sangik Son
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Patent number: 11946473Abstract: An apparatus and method for sensing a rotational parameter of a rotating member of a downhole pumping system. The apparatus is capable of detecting motor rotation and pump operating conditions and includes control systems for methods utilizing the rotational parameters to control the operation of the downhole pumping system.Type: GrantFiled: May 12, 2021Date of Patent: April 2, 2024Assignee: Magnetic Pumping Solutions LLCInventors: Adam Esberger, Michael Yuratich, Andrew Jewell
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Patent number: 11946465Abstract: A fluid end assembly comprising a plurality of fluid end sections positioned in a side-by-side relationship. Each fluid end section comprises a housing having a bore formed therein for housing a reciprocating plunger. Fluid is prevented from leaking around the plunger by a packing seal assembly. The packing seal assembly comprises one and only one packing seal.Type: GrantFiled: August 10, 2022Date of Patent: April 2, 2024Assignee: Kerr Machine Co.Inventors: Christopher Todd Barnett, Micheal Cole Thomas, Kelcy Jake Foster, Nicholas Son, John Keith
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Patent number: 11939971Abstract: A four-cylinder diaphragm pump includes a pump body having four pump chambers, and a drive mechanism that expands and contracts the four pump chambers with a predetermined phase difference, in which the pump body includes a first diaphragm having two diaphragm portions on a same plane, and a second diaphragm having two diaphragm portions on a same plane disposed to be located to be parallel to or coplanar with the plane of the first diaphragm, each of the diaphragm portions of the first diaphragm and the second diaphragm constitute a portion of a different pump chamber, and the drive mechanism is configured to move the diaphragm portions of the first diaphragm and the second diaphragm forward or backward with respect to the corresponding pump chambers with a predetermined phase difference.Type: GrantFiled: December 26, 2019Date of Patent: March 26, 2024Assignee: SIBATA SCIENTIFIC TECHNOLOGY LTD.Inventor: Yuji Ikedo
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Patent number: 11939974Abstract: A methods and system to operate hydraulic fracturing units may include utilizing hydraulic fracturing unit profiles. The system may include hydraulic fracturing units may include various components. The components may include an engine and associated local controller and sensors, a transmission connected to the engine, transmission sensors, and a pump connected to the transmission and powered by the engine via the transmission and associated local controller and sensors. A supervisory controller may control the hydraulic fracturing units. The supervisory controller may be in communication with components of each hydraulic fracturing unit. The supervisory controller may include instructions to, for each hydraulic fracturing units, obtain hydraulic fracturing unit parameters, determine a hydraulic fracturing unit health assessment, and build a hydraulic unit profile including the health assessment and parameters.Type: GrantFiled: March 29, 2023Date of Patent: March 26, 2024Assignee: BJ Energy Solutions, LLCInventors: Tony Yeung, Ricardo Rodriguez-Ramon, Andres Alvarez, Joseph Foster
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Patent number: 11933289Abstract: A control system may include circuitry configured to: a deterioration level estimation unit configured to estimate deterioration levels of pumping devices based on information about driving forces of the pumping devices; a selection unit configured to select a pumping device from the pumping devices based on a comparison of the estimated deterioration levels estimated by the deterioration level estimation unit; and a pumping control unit configured to control the selected pumping device selected by the selection unit to pump fluid.Type: GrantFiled: June 24, 2021Date of Patent: March 19, 2024Inventor: Hideaki Ike
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Patent number: 11933299Abstract: A dual-drive co-rotating scroll device includes a housing; a first scroll rotatably mounted within the housing via a first cylindrical extension and a first plurality of bearings, and having a first axis of rotation; and a second scroll rotatably mounted within the housing via a second cylindrical extension and a second plurality of bearings, and having a second axis of rotation different than the first axis of rotation. At least one of the first cylindrical extension and the second cylindrical extension may comprise a plurality of permanent magnets and operate as a rotor of a first motor. An Oldham ring may be positioned between the first scroll and the second scroll and configured to maintain a relative angular position between the first scroll and the second scroll.Type: GrantFiled: October 24, 2022Date of Patent: March 19, 2024Assignee: Air Squared, Inc.Inventors: John P. D. Wilson, Nathan D. Nicholas
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Patent number: 11933301Abstract: A variable capacity screw compressor comprises a suction port, at least two screw rotors and a discharge port being configured in relation to a selected rotational speed that operates at least one screw rotor at an optimum peripheral velocity that is independent of a peripheral velocity of the at least one screw rotor at a synchronous motor rotational speed for a rated screw compressor capacity. A motor is configured to drive the at least one screw rotor at a rotational speed at a full-load capacity that is substantially greater than the synchronous motor rotational speed at the rated screw compressor capacity. A variable speed drive receives a command signal from a controller and generates a control signal that drives the motor at the selected rotational speed.Type: GrantFiled: October 31, 2022Date of Patent: March 19, 2024Assignee: TRANE INTERNATIONAL INC.Inventors: Dennis R. Dorman, John R. Sauls
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Patent number: 11932152Abstract: An air pump device includes an electric pump unit including a pump mechanism and a motor configured to drive the pump mechanism, a case housing the electric pump unit, and a vibration-proof member interposed between the electric pump unit and the case. The vibration-proof member is a plate-shaped member made of an elastic resin material and is wound around the electric pump unit to wrap the electric pump unit therein. A part of the vibration-proof member is sandwiched between the electric pump unit and one of facing surfaces that are inner surfaces of the case and face each other inside the case. Another part of the vibration-proof member is sandwiched between the electric pump unit and the other one of the facing surfaces.Type: GrantFiled: May 26, 2022Date of Patent: March 19, 2024Assignee: AISIN CORPORATIONInventors: Shogo Sakai, Kazuma Nishida, Takashi Yokoyama, Satoshi Masuda
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Patent number: 11933291Abstract: A compressor, a monitoring system and a method of monitoring a compressor that make it possible to monitor the remaining lifetime of a semiconductor element of a motor control system while the processing load is reduced are provided. A compressor (1) includes: a motor control system (10) that controls the rotation speed of a motor (2); a compressor body (3) that compresses air by being driven by the motor (2); a pressure sensor (20) that is provided on the discharge side of the compressor body (3); and a running controller (11) that performs switching between load running and no-load running on the basis of the pressure sensed by the pressure sensor (20).Type: GrantFiled: July 28, 2020Date of Patent: March 19, 2024Assignee: Hitachi Industrial Equipment Systems Co., Ltd.Inventors: Tomofumi Okubo, Norinaga Suzuki, Kiyomi Tashima, Akihiro Takanuki
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Patent number: 11927275Abstract: A capacity control valve includes a valve housing provided a discharge port through which a discharge fluid of discharge pressure Pd passes, a suction port through which a suction fluid of suction pressure Ps passes, and a control port through which a control fluid of control pressure Pc passes, a rod configured to be driven by a solenoid, a main valve formed by a main valve seat and a main valve element and configured for opening and closing a communication between the discharge port and the control port in accordance with a movement of the rod, and a CS valve provided between the control port and the suction port and controlled by a dynamic pressure of a fluid flowing from the discharge port to the control port at an opening state of the main valve.Type: GrantFiled: April 2, 2020Date of Patent: March 12, 2024Assignee: EAGLE INDUSTRY CO., LTD.Inventors: Masahiro Hayama, Kohei Fukudome, Takahiro Ejima, Wataru Takahashi, Keigo Shirafuji
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Patent number: 11920612Abstract: A attachment structure enabling more efficient work in performing maintenance of a fan of a fan unit and a more stable electrical connection between a main body of an electrical equipment and a fan unit. A attachment structure configured to detachably attach a fan unit including a fan and a casing housing the fan to/from a main body of an electrical equipment includes a guide mechanism configured to guide a slide motion of sliding the casing in one direction relative to the main body to dispose the casing at a mounting position, and a retaining mechanism configured to restrict movement of the casing relative to the main body in a direction opposite the one direction when the casing is disposed at the mounting position by the slide motion.Type: GrantFiled: May 13, 2020Date of Patent: March 5, 2024Assignee: Fanuc CorporationInventor: Shingo Odauchi
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Patent number: 11920584Abstract: A continuous high-power turbine fracturing equipment may include a lubrication system, which may include a first lubrication unit configured to lubricate a plunger pump. The first lubrication unit may further include a high pressure lubrication unit. The high pressure lubrication unit may include a high pressure motor, a high pressure pump, and a high pressure oil line. The high pressure motor may be configured to drive the high pressure pump, which may be configured to pump high pressure lubricating oil into the high pressure oil line. The high pressure oil line may be configured to lubricate at least one of connecting rod bearing bushes or crosshead bearing bushes in the plunger pump.Type: GrantFiled: December 22, 2021Date of Patent: March 5, 2024Assignee: American Jereh International CorporationInventors: Xiaolei Ji, Rikui Zhang, Peng Zhang, Chunqiang Lan, Zhuqing Mao, Jianwei Wang, Mingchao Mao
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Patent number: 11920583Abstract: A fluid end assembly comprising a plurality of fluid end sections positioned in a side-by-side relationship. Each section comprises a housing containing a reciprocating plunger. One and only one packing seal is installed within the housing and surrounds and engages an outer surface of the plunger. A retainer compresses and holds the packing seal within the housing. The retainer is secured to the housing using a clamp, such that no threads are formed in the housing of the fluid end section and no threads are formed in the retainer.Type: GrantFiled: March 3, 2022Date of Patent: March 5, 2024Assignee: Kerr Machine Co.Inventors: Kelcy Jake Foster, Micheal Cole Thomas, Christopher Todd Barnett
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Patent number: 11913438Abstract: An air inflation device includes an inflation unit defining an interior space, a handgrip unit connected to the inflation unit, and a pressure measuring mechanism disposed in the handgrip unit and including a first tubular member defining a receiving space, and a second tubular member defining a flow guide channel that has an air inlet communicating with the interior space, and an air guide hole communicating with the receiving space. A measuring unit is disposed in the receiving space and has a free end pushed to move relative to the first tubular member by air entering the receiving space from the flow guide channel. An indicating unit indicates a position of the free end in the first tubular member.Type: GrantFiled: January 13, 2021Date of Patent: February 27, 2024Assignee: BETO ENGINEERING AND MARKETING CO., LTD.Inventor: Lopin Wang
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Patent number: 11913444Abstract: A system, method, and computer-readable medium for determining the flow rate and fluid density in an electrical submersible pump (ESP) and controlling the ESP based on the flow rate and density. In one implementation, an ESP system includes an ESP, drive circuitry, a current sensor, a voltage sensor, and a processor. The ESP includes an electric motor. The drive circuitry is electrically coupled to the ESP and is configured to provide an electrical signal to power the ESP. The current sensor is configured to measure a current of the electrical signal. The voltage sensor is configured to measure a voltage of the electrical signal. The processor is configured to calculate speed of a shaft of the electric motor based on a frequency induced by rotation of the motor detected in the current. The processor is also configured to calculate a density of fluid in the ESP based on the speed.Type: GrantFiled: November 7, 2019Date of Patent: February 27, 2024Assignee: Sensia LLCInventors: Albert Hoefel, Gocha Chochua, Yves-Marie Clet Robert Subervie, Jonathan Wun Shiung Chong
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Patent number: 11913448Abstract: A high-power turbine fracturing system may include a lubrication system, which may include a first lubrication unit configured to lubricate a plunger pump. The first lubrication unit may further include a high-pressure lubrication unit. The high-pressure lubrication unit may include a high-pressure motor, a high-pressure pump, and a high-pressure oil line. The high-pressure motor may be configured to drive the high-pressure pump, which may be configured to pump high-pressure lubricating oil into the high-pressure oil line. The high-pressure oil line may be configured to lubricate at least one of connecting rod bearing bushes or crosshead bearing bushes in the plunger pump.Type: GrantFiled: September 26, 2022Date of Patent: February 27, 2024Assignee: American Jereh International CorporationInventors: Xiaolei Ji, Rikui Zhang, Peng Zhang, Chunqiang Lan, Zhuqing Mao, Jianwei Wang, Mingchao Mao
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Patent number: 11905960Abstract: A fan motor includes a motor including a stationary portion and a rotating portion arranged to rotate about a rotation axis extending in a vertical direction; an impeller including a plurality of blades, and arranged to rotate together with the rotating portion; a housing arranged to house the motor and the impeller therein; and a plurality of lead wires each of which is connected to the motor and is arranged to extend radially outward.Type: GrantFiled: October 2, 2020Date of Patent: February 20, 2024Assignee: NIDEC CORPORATIONInventors: Guiling Zhang, Hidenobu Takeshita
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Patent number: 11891990Abstract: A dynamic compressor control is provided. The dynamic compressor control includes sensors to sense operating parameters of a compressor and a compressor analytic software package. The compressor analytic software package uses the sensed operating parameters of the compressor to generate key performance indicators. The key performance indicators are used to calculate process variables for the compressor. The dynamic compressor control uses the sensed operating parameters and the process variables calculated from the key performance indicators to provide operating alarms and/or shutdowns.Type: GrantFiled: May 8, 2020Date of Patent: February 6, 2024Assignee: Detechtion USA Inc.Inventor: Adrian Cowan