Patents Examined by Joseph S. Herrmann
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Patent number: 11149583Abstract: A system and method for determining particulate accumulation in a gas turbine engine includes sensing the number, size, and type of particulate at a first position on the gas turbine engine and supplying first data representative thereof, where the first position located at a first side of a gas turbine engine component; sensing the number, size, and type of particulate at a second position on the gas turbine engine and supplying first data representative thereof, where the second position located at a second side of the gas turbine engine component and downstream of the first position; and processing the first data and the second data to determine the mass of the particulate accumulated on the gas turbine engine component.Type: GrantFiled: March 30, 2020Date of Patent: October 19, 2021Assignee: HONEYWELL INTERNATIONAL INC.Inventors: Dave Dischinger, Nick Nolcheff
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Patent number: 11136952Abstract: A high-pressure pump has a metering valve and a valve stopper. The stopper has a regulation portion which an end surface of the valve is brought into contact with. An outer diameter of the regulation portion is equal to an outer diameter of the outer peripheral surface of the valve. A cylindrical sleeve is disposed around the regulation portion. When the end surface of the valve is in contact with the regulation portion, the sleeve covers a tapered surface of the valve.Type: GrantFiled: November 25, 2019Date of Patent: October 5, 2021Assignee: DENSO CORPORATIONInventor: Hiroshi Inoue
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Patent number: 11136987Abstract: A series-connected fan includes a first fan and a second fan. The first fan includes a first frame, a first base, first static blades and a first impeller. The second fan includes a second frame, a second base, second static blades and a second impeller. A first underframe of the first frame is connected to a second underframe of the second frame. The first static blades are disposed around the first base and connected to the first base and the first underframe. The second static blades are disposed around the second base and connected to the second base and the second underframe. The first impeller includes a first hub and first rotor blades. The second impeller includes a second hub and second rotor blades. The cross-sectional area of the first hub increases along a direction from the top of the first hub to the bottom of the first hub.Type: GrantFiled: October 3, 2019Date of Patent: October 5, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Shun-Chen Chang, Po-Cheng Kung
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Patent number: 11111925Abstract: A system is provided for use with an electrical submersible pump (ESP). The system includes an ESP mounted on a tubing and a magnetic field source positioned above the ESP. The magnetic field source generates a magnetic field configured to suspend iron-containing particles above a discharge of the ESP. The magnetic field prevents an accumulation of the iron-containing particles onto components of the ESP during a powered-off state of the ESP.Type: GrantFiled: October 25, 2018Date of Patent: September 7, 2021Assignee: Saudi Arabian Oil CompanyInventors: Mohannad Abdelaziz, Rafael Adolfo Lastra Melo
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Patent number: 11105328Abstract: A suction cover assembly for a reciprocating pump includes a suction cover nut having a nut face and a thread configured to threadably connect the suction cover nut to a fluid cylinder of the reciprocating pump. The suction cover assembly includes a suction cover having a cover face. The suction cover is configured to be held by the fluid cylinder such that the cover face opposes the nut face of the suction cover nut. The suction cover includes first and second seals having a leakage trap defined therebetween. The leakage trap is configured to trap leakage pressure during operation of the reciprocating pump. The suction cover includes at least one leakage channel that is configured to channel the leakage pressure from the leakage trap to an interface between the cover face and the nut face.Type: GrantFiled: August 28, 2018Date of Patent: August 31, 2021Assignee: S.P.M. Flow Control, Inc.Inventor: Joseph Byrne
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Patent number: 11092157Abstract: A scroll compressor that includes a housing and scroll compressor bodies disposed in the housing. A motor is disposed within the housing and operably connected to a drive shaft for driving one of the scroll compressor bodies. The drive shaft is rotationally supported at one end by a crankcase which includes a bearing housing and a bearing. The crankcase includes a plurality of openings or gas passages passing through the crankcase, as well as a plurality of generally cylindrical sections positioned respectively between adjacent openings. The cylindrical sections define contact regions which can engage an inner periphery of the housing when the crankcase is mounted therein.Type: GrantFiled: August 16, 2016Date of Patent: August 17, 2021Assignee: BITZER Kühlmaschinenbau GmbHInventors: Ronald J. Duppert, Xianghong Wang
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Patent number: 11085431Abstract: Provided is a displacement control valve capable of quickly reducing pressure in a control chamber to a level of pressure kept during continuous driving, at the time of the startup of a variable displacement compressor. The valve housing is provided with a through hole constituting a part of a first communicating passage that communicates with a pressure chamber at one end thereof and that is communicable with a second valve chest at the other end thereof.Type: GrantFiled: December 27, 2017Date of Patent: August 10, 2021Inventors: Kohei Fukudome, Daichi Kurihara, Keigo Shirafuji, Hideki Higashidozono
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Patent number: 11067068Abstract: The present invention describes the improvements due to alternated actuation cycles to reduce the delivery errors related to the pumping chamber elasticity, the actuator relaxation or hysteresis. The method actuates a pumping device with an optimal driving voltage profile, wherein the pumping device comprises a pumping chamber including a pumping membrane and a voltage controlled actuator connected to said membrane; the movement of said membrane being defined by three positions, namely a rest, a bottom and a top position. The method includes the actuation of the membrane with a pumping pattern including at least two different cycles: Cycle A: rest-bottom-rest-top-rest Cycle B: rest-top-rest-bottom-rest. The invention also relates to a device to carry out the method.Type: GrantFiled: August 6, 2018Date of Patent: July 20, 2021Assignee: DEBIOTECH S.A.Inventor: Eric Chappel
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Patent number: 11041508Abstract: An air mover is provided. The air mover includes a housing, a spacer, a co-axial motor, a first fan and a second fan. The housing includes a first housing member and a second housing member. A first inlet, a second inlet and an outlet are formed on the housing. The first inlet is formed on the first housing member and the second inlet is formed on the second housing member. The spacer is disposed between the first housing member and the second housing member. The co-axial motor includes a shaft, wherein the co-axial motor is disposed on the spacer. The shaft includes a first free end and a second free end. The first free end extends in a first direction, and the second free end extends in a second direction.Type: GrantFiled: November 27, 2018Date of Patent: June 22, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: En-Feng Chen, Hsu-Fan Al, Wen-Hsiang Lin
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Patent number: 11035355Abstract: A tube pump system is provided, which includes a pair of roller units which are rotated around the axis line from a contact position to a separate position in a state where the pair of roller units compress the tube, a pair of drive units which rotate the pair of roller units respectively, and a control unit which controls each of the pair of drive units, wherein the control unit controls each of the pair of drive units such that, when one of the pair of roller units passes the separate position, an angular velocity of the other of the pair of roller units toward the separate position is gradually decreased.Type: GrantFiled: March 7, 2019Date of Patent: June 15, 2021Assignee: Surpass Industry Co., Ltd.Inventors: Yukinobu Imai, Kazuki Hirai
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Patent number: 11028842Abstract: A rig management system is disclosed. The rig management system may be configured to receive information to be used to control shifting of a transmission to prevent cavitation during use of the hydraulic fracturing rig. The rig management system may be configured to determine a flow rate for a pump based on the information. The rig management system may be configured to determine an output torque of the transmission based on the flow rate. The rig management system may be configured to determine a transmission gear for the transmission based on the output torque and a fuel consumption map, wherein the fuel consumption map identifies a respective fuel consumption rate for different combinations of transmission gears and output torques. The rig management system may be configured to cause the transmission to shift into the transmission gear after determining the transmission gear.Type: GrantFiled: July 31, 2018Date of Patent: June 8, 2021Assignee: Caterpillar Inc.Inventors: Yanchai Zhang, Zhijun Cai, Maurice Dust
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Patent number: 11022136Abstract: A fan includes a motor base, a bearing, an impeller, a stator and a magnetic element. The motor base has a bearing stand in a center portion thereof. The bearing is accommodated within the bearing stand. The impeller includes a metallic case, a hub, plural blades and a rotating shaft. The metallic case has a top wall and a sidewall. The hub is sheathed around the metallic case. The blades are disposed around an outer periphery of the hub. The rotating shaft is inserted into a central opening of the top wall and penetrated through the bearing stand, wherein no raised ring structure is formed in the top wall of the metallic case, and the rotating shaft and the metallic case are jointed together by a laser welding process. The magnetic element is disposed on an inner wall of the metallic case and aligned with the stator.Type: GrantFiled: May 18, 2018Date of Patent: June 1, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Chiu-Kung Chen, Chao-Wen Lu
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Patent number: 11015587Abstract: A piston compressor includes a housing, a drive shaft, a fixed swash plate, a plurality of pistons, a movable body, and a control valve. The housing includes a cylinder block having a plurality of cylinder bores and a plurality of first communication passages. The movable body has a second communication passage that intermittently communicates with each of the first communication passages by rotation of the drive shaft. A flow rate of refrigerant discharged from a compression chamber into a discharge chamber changes according to a position of the movable body in a direction of an axis of the drive shaft. The control valve is configured to control a control pressure. The first communication passages are connected to the second communication passage by the movable body and disconnected from the second communication passage by the drive shaft.Type: GrantFiled: March 26, 2019Date of Patent: May 25, 2021Assignee: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Kei Nishii, Shinya Yamamoto, Akinobu Kanai, Yoshinori Inoue
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Patent number: 11015585Abstract: A pump assembly includes an electric motor and different selectable pump covers, and is suitable for mounting within a transmission fluid reservoir for transferring automatic transmission fluid. The pump assembly includes a stator housing having a cylindrical cavity for receiving ATF contained in the transmission fluid reservoir. A rotor is rotatably coupled within the cylindrical cavity and has a plurality of magnets arranged about a rotational axis thereof. A flux collector is coupled with the stator housing adjacent to the cylindrical cavity for transferring magnetic flux from one of the plurality of magnets from a first portion to a second portion thereof. A hall sensor is disposed proximate the second portion for sensing magnetic flux in the flux collector, such that the magnetic flux is used to determine a rotated position of the rotor.Type: GrantFiled: March 26, 2018Date of Patent: May 25, 2021Assignee: GHSP, Inc.Inventor: Ryan David Rosinski
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Patent number: 10989204Abstract: An inner-rotor fan includes a hub, a retaining tube, and a magnetic ring. The retaining tube is disposed in the hub, and the magnetic ring is disposed on the retaining tube. The retaining tube and the hub are formed as a single piece, and thus the stability of the fan is increased. Moreover, the magnetic flux in an inner hole of the magnetic ring is about 0 Wb, and thus an iron ring within the magnetic ring may be excluded.Type: GrantFiled: April 19, 2019Date of Patent: April 27, 2021Assignee: DELTA ELECTRONICS, INC.Inventors: Ming-Yuan Hung, Chin-Wei Lin, Chin-Sheng Liu
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Patent number: 10959566Abstract: A beverage or foodstuff preparation machine is disclosed that includes a component processing unit and a control system, wherein the component processing unit includes a pump arranged to deliver fluid. Also disclosed are methods of making and using the beverage or foodstuff preparation machine. Also disclosed are methods of controlling the pump of the beverage or foodstuff preparation machine. Further disclosed is a computer program for a processor of the control system of the beverage or foodstuff preparation machine, as well as a non-transitory computer readable medium that includes the computer program.Type: GrantFiled: July 1, 2016Date of Patent: March 30, 2021Assignee: Societe des Produits Nestle S.A.Inventors: Martino Ruggiero, Sergio Chioda
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Patent number: 10954936Abstract: An axial piston machine includes a housing, an actuating piston, and a closing screw. The housing includes a cylinder bore, a recess, and a fluid channel. An end of the bore open to an outside of the housing has an internal thread. The recess is located in a region of the internal thread, and is deeper than a thread depth of the internal thread so that a floor region of the recess is free from thread turns. The piston is linearly moveable in the cylinder bore, and is configured to adjust a displacement volume of the machine. The screw is screwed into the internal thread so as to form a closed chamber between the piston and the screw. The fluid channel opens into the floor region of the recess, and is fluidically connected to the cylinder chamber.Type: GrantFiled: May 23, 2019Date of Patent: March 23, 2021Assignee: Robert Bosch GmbHInventor: Andreas Apperger
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Patent number: 10954927Abstract: A hydraulic pump system includes a pump control system operable to reduce electric current required at the start of the pump and reduce starting torque for the pump. The pump control system can include a gap between a spring seat and a valve spool such that the valve spool need not overcome a biasing force from a swash plate when the swash plate changes from its maximum displacement position to its neutral position.Type: GrantFiled: November 14, 2016Date of Patent: March 23, 2021Assignee: EATON INTELLIGENT POWER LIMITEDInventors: Anil Balasaheb Kharpas, Robert Leslie Isaacs, Avinash Dadaso Patil, Amit Ranjit Panchal, Yogiraj Firake, Anil Ghegade
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Patent number: 10941774Abstract: Provided is a variable-capacity mechanism for a scroll compressor. The scroll compressor includes a compression mechanism. The compression mechanism includes a fixed scroll and an orbiting scroll for defining a series of compression cavities. The variable-capacity mechanism includes: a discharge channel, suitable for communicating a medium-pressure compression cavity in the compression cavities with a low-pressure region; blocking members, suitable for selectively opening or closing the discharge channel; an actuation device, including an execution member, the blocking members being connected to the execution member so as to selectively open or close the discharge channel along with the actions of the execution member. Multiple blocking members are connected to a single execution member so as to synchronously move along with the actions of the single execution member. By the variable-capacity mechanism, action synchronization of multiple blocking members can be reliably implemented.Type: GrantFiled: September 28, 2016Date of Patent: March 9, 2021Assignee: GREE ELECTRIC APPLIANCES, INC. OF ZHUHAIInventors: Guobiao Jiang, Xiaolei Li, Caixia Shan, Yusheng Hu, Qi Fang
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Patent number: 10935015Abstract: The invention relates to a device (1) for damping pressure pulsations for a compressor of a gaseous fluid, in particular of a refrigerant. The device comprises a housing (2), a piston element (6) as well as a spring element (8). The housing (2) is developed encompassing a chamber (3), with an inlet opening (4) and an outlet opening (5). The piston element (6), supported such that it is stayed across the spring element (8) on the housing (2), is disposed within the chamber (3) dividing the chamber (3) into a first chamber volume (3a) and a second chamber volume (3b), as well as being disposed movably in a direction of motion (11) between a first end position and a second end position. The motion of the piston element (6) effects a change of the chamber volumes (3a, 3b) and of a flow cross section of the outlet opening (5). The piston element (6) is developed as a hollow cylinder with two, at least partially closed, end faces (7, 13).Type: GrantFiled: February 19, 2019Date of Patent: March 2, 2021Assignee: Hanon SystemsInventors: Steffen Koch, Philipp Benjack, Philip Gallisch