Patents Issued in July 30, 2020
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Publication number: 20200240382Abstract: Systems and methods for operating an internal combustion engine that may be automatically stopped and started are described. In one example, an engine is rotated in a reverse direction after an engine stop so that a belt integrated starter/generator may rotate the engine in a forward direction and utilize the inertia of the engine to rotate trough top-dead-center compression stroke, thereby starting the engine.Type: ApplicationFiled: January 28, 2019Publication date: July 30, 2020Inventors: Lars Niklas Pettersson, Samuel Johnson
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Publication number: 20200240383Abstract: An internal combustion engine for an aircraft can include a crankshaft configured to drive a propeller; a camshaft coupled to the crankshaft; and an ignition controller coupled to the camshaft and including a visual indicator, the visual indicator configured to produce a visual signal at a predetermined angular position of the engine. An ignition controller for an internal combustion engine can include a housing and a P-lead connection extending from the housing, the ignition controller configured to selectively supply or cut main electrical power from the engine via the P-lead connection, the ignition controller also configured to selectively supply its own power.Type: ApplicationFiled: April 14, 2020Publication date: July 30, 2020Applicant: Continental Motors, Inc.Inventor: Jeffrey K. Hunt
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Publication number: 20200240384Abstract: An internal combustion engine for an aircraft can include a crankshaft configured to drive a propeller; a camshaft coupled to the crankshaft; and an ignition controller coupled to the camshaft and including a visual indicator, the visual indicator configured to produce a visual signal at a predetermined angular position of the engine. An ignition controller for an internal combustion engine can include a housing and a P-lead connection extending from the housing, the ignition controller configured to selectively supply or cut main electrical power from the engine via the P-lead connection, the ignition controller also configured to selectively supply its own power.Type: ApplicationFiled: April 14, 2020Publication date: July 30, 2020Applicant: Continental Motors, Inc.Inventor: Jeffrey K. Hunt
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Publication number: 20200240385Abstract: A first clamp circuit (4) clamps a voltage between a gate and a first terminal of a switching device (Q1) to equal to or lower than a first clamp voltage. A control circuit (2) controls the switching device (Q1) and includes a driving unit (5) driving the switching device (Q1), an abnormality detecting unit (9) stopping the driving unit (5) upon detection of an abnormality in operation, and a second clamp circuit (10). The second clamp circuit (10) clamps the voltage between the gate and the first terminal to equal to or lower than a second clamp voltage which is lower than the first clamp voltage when the abnormality detecting unit (9) stops the driving unit (5).Type: ApplicationFiled: February 9, 2018Publication date: July 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Makoto UENO, Kazuhiro NISHIMURA, Koji YAMAMOTO
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Publication number: 20200240386Abstract: The present invention teaches a tower for hydropower, comprising a main structure comprising an outflow tank at a top end and a collection tank at a bottom end of the main structure; a transmission device configured in the main structure; a plurality of water basins configured on the transmission device; and a generator device is coupled to the transmission device. Water is introduced into an outflow tank, and then into water basins so that the water basins are pulled downward by gravity so as to convert potential energy into kinetic energy that drives a transmission device and a generator device to produce electrical energy. Through this simple tower, a limited amount of water is used for electricity generation of enhanced efficiency, with fast initiation and low operating reserve.Type: ApplicationFiled: January 29, 2019Publication date: July 30, 2020Inventor: Chien-Chen Yang
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Publication number: 20200240387Abstract: Methods, systems, and devices are disclosed for wave power generation. In one aspect, a wave power generator device includes a stator assembly and a rotor assembly encased within a tube frame. The stator assembly includes an array of inductor coils in a fixed position within a cavity of the tube frame and a plurality of bearings coupled to the tube frame. The rotor assembly includes a turbine rotor having a central hub and peripheral blades coupled to a high inertia annular flywheel that is moveably engaged with the bearings of the stator assembly, and an array of magnets arranged to be evenly spaced and of alternating axial polarity from one another extending from the annular flywheel into the cavity between the array of inductor coils, such that electric currents are produced based on magnetic field interaction of the magnets with the inductor coils during the rotation of the annular flywheel.Type: ApplicationFiled: November 15, 2019Publication date: July 30, 2020Inventor: Steve Burkle
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Publication number: 20200240388Abstract: Device for conversion of wave energy into electrical energy and the process for its deployment at the exploitation location, wherein the device comprises a supporting construction composed of buoyancy elements and having a supporting tube attached on the upper side. The device comprises a joint gear on the inner circumference connected with the outside surface of the supporting tube in a sliding manner and a sphere to which is the floating body pivotally connected. The device has two gears, the first flexible gear for connecting the floating body to the second gear and the second gear for connecting the flexible gear to the generator. The flexible gear consists of pulleys and a flexible element, e.g. a rope or a steel cable and the second gear can be arranged in several suitable forms, e.g. rigid elements as a set of a gear and a rack positioned inside the lower supporting tube or a flexible element, e.g. a chain and a sprocket wheel set in the buoyancy element.Type: ApplicationFiled: April 13, 2020Publication date: July 30, 2020Inventor: Mile DRAGIC
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Publication number: 20200240389Abstract: A pump storage hydroelectricity storage and generation system configured to burn un-scrubbed gas and generate electricity with minimal elevation differential between upper and lower fluid storage reservoirs.Type: ApplicationFiled: January 17, 2020Publication date: July 30, 2020Inventor: Kenneth Miles Hanson
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Publication number: 20200240390Abstract: Apparatus (2) for generating electricity using water movement, which apparatus (2) comprises: (i) at least one electrical generator (4) which is for generating the electricity and which comprises a housing (6), a rotor (8) and a stator (10); (ii) at least one control means (12) for use in the maintenance of the apparatus (2), and the apparatus (2) being such that: (iii) the control means (12) is configured to enable the removal of at least a defective part (14) in the electrical generator (4); (iv) the control means (12) is configured to enable the reception of a replacement part (16) for the defective part (14); (v) the apparatus (2) includes transport means (18) for transporting the defective part (14) around the apparatus (2) such that the defective part (14) is able to be removed from the apparatus (2), and for transporting the replacement part (16) around the apparatus (2) such that the replacement part (16) is able to be installed in place of the defective part (14); and (vi) the defective part (14) andType: ApplicationFiled: November 3, 2016Publication date: July 30, 2020Inventors: William Edward Baxley, Patrick James Mulvey, Bruce Heafitz
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Publication number: 20200240391Abstract: The present invention relates to a wind turbine blade with a blade structure comprising a surface and a load-carrying spar supporting a shell structure, wherein the blade structure comprises functionalized graphene-containing material. The present invention relates to a wind turbine concrete tower comprising a load-carrying structure extending vertically to a height, comprising functionalized graphene-containing material. The invention further relates to use of functionalized graphene-containing material in wind turbine parts. The invention further relates to a method for retrofitting a blade structure and the use of functionalized graphene-containing material in a repair system for wind turbine tower foundations. Furthermore the invention relates to use of at least one sensor containing graphene.Type: ApplicationFiled: October 2, 2018Publication date: July 30, 2020Inventors: Poul Anker Skaarup LÜBKER, Shavkat MINGALIEV
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Publication number: 20200240392Abstract: There is described a rotor for a vertical axis wind turbine comprising: first and second blades connected to one another and arranged to rotate around an axis; wherein the first and second blades are disposed 180° apart with respect to one another and are offset from the axis in a radial direction; wherein an inner edge of each blade is spaced radially inwardly from an outer edge of the opposing blade to form a pair of diametrically opposed openings which open in opposite directions; wherein each of the first and second blades comprises a first curved section and a second oppositely curved section, the first and second curved sections being separated by a point of inflection; and wherein the first and second curved sections of the first and second blades overlap one another to form a passageway between the first and second blades which extends between the openings.Type: ApplicationFiled: July 31, 2018Publication date: July 30, 2020Inventors: Giles Henry Rodway, Jeremy Martin Andres Bigg, Kurt Joseph Joachim
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Publication number: 20200240393Abstract: An improved wind turbine device of present invention provides continues rotation of propeller and prevents stopping or critical slowing of the propeller of the turbine that causes damage to the bearing and gear assembly and shortens the life of the turbine. The wind turbine device or system of present invention is comprising of a novel hollow propeller blades having a pair of reservoirs at the top and bottom of the propeller blades and a hydraulic pump configured between the reservoirs within the hollow propeller blades along with the wireless control unit that commands the pump to manipulate the fluid present within the reservoirs to create an imbalance within the hollow propeller causing the hollow propeller to keep from stopping. Also, the wireless control unit commands the pump to manipulate the fluid of the reservoirs in reverse direction in high wind condition to prevent the propeller from rotating excessively that may cause damage and loss of electricity.Type: ApplicationFiled: August 23, 2019Publication date: July 30, 2020Inventor: Samuel Messinger
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Publication number: 20200240394Abstract: An energy generator system is provided that is capable of capturing the transitory energy contained within the wind and converting it to a form of storable energy for later use in generating electricity. The energy generator system includes a compression system including an air compressor for compressing incoming air and a rotor for operating the compressor in response to the wind flowing over the rotor. An intake system is associated with the compression system and provides clean ambient air to the air compressor. The compression system and the intake system c contained in a wind tower having a head for supporting the rotor and an elongate pylon for positioning the rotor at a sufficient height to capture the energy of the wind. The natural energy system additionally includes a storage system for storing the compressed air produced by the air compressor.Type: ApplicationFiled: January 24, 2020Publication date: July 30, 2020Inventor: HARALAMBOS THEODOROS DRAGONAS
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Publication number: 20200240395Abstract: A system for placing a wind turbine assembly on a support surface of a support structure being supported on a seabed with a lifting crane provided on a floating vessel, said system can be changed from a first operation mode into a second operation mode to compensate a vertical reciprocal crane movement of the crane relative to the support structure.Type: ApplicationFiled: October 10, 2018Publication date: July 30, 2020Inventors: Maikel HILLENAAR, Richard Petrus Gerhardus ZOONTJES, Jurgen Albertus JONG
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Publication number: 20200240396Abstract: Provided is bearing arrangement for a wind turbine, including: a bed frame, a shaft configured for connecting a rotor with a generator of the wind turbine, a front bearing and a rear bearing both supporting the shaft rotatably around a shaft axis, a front bearing housing supporting the front bearing, the front bearing housing including one or more feet connected to the bed frame, a rear bearing housing supporting the rear bearing, the rear bearing housing including one or more feet connected to the bed frame, and a stiffening element connecting one of the feet of the front bearing housing and one of the feet of the rear bearing housing. Having the stiffening element allows a reinforcement of the connection between the front bearing housing, the rear bearing housing and the bed frame. The stiffening element reduces the deformation of the bearing housings and the bed frame.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Inventor: Carlos Jesus Salvatierra Macua
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Publication number: 20200240397Abstract: An inertial rotation device includes: a central member with an axial direction, a first engaging portion on the peripheral surface of the central member, an inertia member with a mounting hole, and a second engaging portion on the wall of the mounting hole. The inertia member is mounted around the central member and can be displaced between an engaging position and a released position along the axial direction of the central member. The inertia member can rotate together with the central member when at the engaging position, where the two engaging portions are engaged with each other, and cannot rotate together with the central member when at the released position, where the two engaging portions are disengaged from each other. The magnitude of the torque of the inertial rotation device can be changed by switching the inertia member to the engaging position or the released position.Type: ApplicationFiled: December 12, 2019Publication date: July 30, 2020Inventor: Chih-Ching HSIEH
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Publication number: 20200240398Abstract: Plasma cathodes for micro Hall and ion thrusters of unprecedented power efficiency, low cost, compactness, are provided. The cathodes employ, for example, a very small planar scandate cathode as electron source, delivering over 350 ma of discharge from an emitter area as small as only 0.012 cm2.Type: ApplicationFiled: September 16, 2019Publication date: July 30, 2020Applicant: E BEAM INC.Inventors: Bernard K. Vancil, Joseph Kowalski, Jereme Shaver
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Publication number: 20200240399Abstract: This disclosure relates to a pump system for handling a slurry medium, the pump system comprising a pump unit (101) consisting of at least two reciprocating positive displacement slurry pumps, both pumps being arranged for alternating intake of slurry medium via a slurry suction inlet (103) and discharge of slurry medium via a slurry discharge outlet (103); a pump drive unit (104) for driving the at least two reciprocating positive displacement pumps of said pump unit; as well as a slurry damping pump unit (105) for damping discharge pulsations in the slurry medium being pumped.Type: ApplicationFiled: July 11, 2018Publication date: July 30, 2020Inventors: Ronald Godefridus Anna KEIJERS, Rudolfus Johannes Adeleida VAN RIJSWICK
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Publication number: 20200240400Abstract: A MEMS pump module includes a MEMS chip, at least one signal electrode, a plurality of MEMS pumps and a plurality of switch units. The MEMS chip comprises a chip body. The signal electrode is disposed on the chip body. Each of the MEMS pumps comprises a first electrode and a second electrode. The second electrode is electrically connected to the signal electrode. The switch units are electrically connected to the first electrodes of the MEMS pumps. A modulation voltage is received by the at least one signal electrode and then is transmitted to the second electrodes of the MEMS pumps. The on-off actions of MEMS pumps are controlled by the plurality of switch units.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Applicant: Microjet Technology Co., Ltd.Inventors: Hao-Jan Mou, Rong-Ho Yu, Cheng-Ming Chang, Hsien-Chung Tai, Wen-Hsiung Liao, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai
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Publication number: 20200240401Abstract: A fuel injection pump includes a cylinder formed with a passage of fuel, a plunger, and a swirl flow generating par. The plunger slides along an inner wall of a sliding hole located in the cylinder and reciprocates between an uppermost point and a lowermost point to pressurize the fuel in a pressurizing chamber placed at an end of the sliding hole at a highest point. The plunger is movable downward to cause the pressurizing chamber to inhale the fuel from an intake passage in a fuel suction stroke. The intake passage is communicated to the pressurizing chamber at a lateral side of a plunger axis that is an axis of the plunger in a sliding direction. The swirl flow generating part guides the fuel to form a swirl flow around the plunger axis in the fuel suction stroke.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Inventor: Yuji KITAGAWA
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Publication number: 20200240402Abstract: A magnetically coupled piston pump includes a piston, a pump body, and a set of drive magnets. The piston includes a set of piston magnets. Each piston magnet has poles arranged along a longitudinal axis of the piston, and each piston magnet is arranged in the piston so that the orientation of the poles of each piston magnet is the opposite of the orientation of each adjacent piston magnet. The piston is disposed in and permitted to move within the pump body. The set of drive magnets is arranged outside the pump body. Each drive magnet corresponds to a piston magnet, has poles arranged along the longitudinal axis, and is arranged so that the orientation of the poles is opposite the orientation of the poles of the corresponding piston magnet. A drive unit is coupled to the drive magnets for moving the drive magnets along the longitudinal axis.Type: ApplicationFiled: January 24, 2020Publication date: July 30, 2020Applicant: RENSSELAER POLYTECHNIC INSTITUTEInventor: Ethan Craig Brown
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Publication number: 20200240403Abstract: A reciprocating piston machine for compressing a fluid, more particularly ambient air, for a compressed air system of a motor vehicle, includes a cylinder housing and a cylinder head constructed layer by layer and including a valve carrier element with an outlet valve, a chamber plate and a head plate with a pressure medium outlet. A cooling medium channel for cooling at least a partial region of the cylinder head and an outlet channel for connecting the outlet valve to the pressure medium outlet are provided and extend through components of the cylinder head, at least in portions. In order to improve the cooling, at least a partial portion of the cooling medium channel and a partial portion of the outlet channel are allocated to the cylinder housing.Type: ApplicationFiled: June 7, 2018Publication date: July 30, 2020Inventor: MARIUS BURKAUSKAS
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Publication number: 20200240404Abstract: Aspects of the invention are directed to a cart that includes a structural element, a compressor assembly, and a pressure regulator. The structural element may be a tubular frame member, a handle, or a deck. The structural element defines an internal storage volume within it. The compressor assembly is able to deliver compressed air to the internal storage volume. The pressure regulator assembly is able to deliver compressed air from the internal storage volume at a regulated pressure. Advantageously, embodiments in accordance with aspects of the invention provide cart designs that are capable of both transporting heavy loads and serving as sources of compressed air. A user utilizing one of these carts therefore does not need to bother with transporting a separate air compressor to a worksite. Instead, air compressor functionality is conveniently built into the cart and the user's workload is thereby reduced.Type: ApplicationFiled: January 8, 2020Publication date: July 30, 2020Inventor: Joseph J. DelMaestro
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Publication number: 20200240405Abstract: A method for evacuating a process space by initially evacuating the process space to a pressure limit value using two compressors operated in parallel, and on reaching or undershooting the pressure limit value, the process space is subsequently evacuated using the two compressors operated in series.Type: ApplicationFiled: January 21, 2020Publication date: July 30, 2020Inventor: Gunther Bermich
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Publication number: 20200240406Abstract: A linear compressor includes a cylinder, a piston, a linear motor configured to drive the piston, a current detection unit configured to sense a current in the linear motor, a relay configured to change an operation mode of the linear motor, and a control unit configured to set at least one parameter for determining a stroke of the piston according to the operation mode. The control unit is configured to: determine a first magnitude of a first current in the linear motor based on a state of the relay being in a first state, determine a second magnitude of a second current in the linear motor based on the relay being switched to a second state from the first state, compare the first magnitude to the second magnitude, and based on the comparison of the first magnitude to the second magnitude, determine whether the relay fails to operate.Type: ApplicationFiled: November 1, 2019Publication date: July 30, 2020Inventors: Heesun KIM, Youngdoo KIM, Jinseok HU
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Publication number: 20200240407Abstract: A valve seat assembly comprises a valve. The assembly further comprises a removable upper seat associated with the valve. The assembly further comprises a lower seat configured to be inserted into a fluid end of a pump and releasably couplable to the upper seat. The upper seat is decouplable from the lower seat while the lower seat remains inserted in the fluid end of the pump. The valve is configured to contact the upper seat to prevent a flow of fluid through the fluid end of the pump.Type: ApplicationFiled: January 21, 2020Publication date: July 30, 2020Inventors: Mark Henry Naedler, Ricardo Jose Betancourt, William Stephen Colburn
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Publication number: 20200240408Abstract: A stabilizing bushing is constructed of a structural composite including layers of reinforcing fibers in a matrix of synthetic polymeric material, and is inserted between a rotating shaft and a surrounding housing to stabilize the shaft against unwanted radial displacement while rotating within the housing. A plurality of circumferential grooves in the bushing effect a reduction in fluid pressure between one end of the bushing exposed to higher fluid pressures than to which the opposite end of the bushing is exposed. The bushing is constructed in the form of circumferential segments selectively joined together at Z-shaped joints for facilitating the insertion and establishment of a securely integrated stabilizing bushing in position around the shaft.Type: ApplicationFiled: January 25, 2019Publication date: July 30, 2020Inventor: John A. Kozel
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Publication number: 20200240409Abstract: A bush bearing having an outer lubricating layer, a manufacturing method therefor and a scroll compressor having same applied thereto, according to the present disclosure, includes a bush bearing comprising: a base member which has a cylindrical shape having no separated surfaces along the circumferential direction; and a lubricating member which is formed from a material having a lower rigidity and more excellent lubricity than the base member, and has a cylindrical shape having no separated surfaces along the circumferential direction by being integrally provided to the outer circumferential surface of the base member, wherein the cylindricity of the outer circumferential surface of the lubricating member satisfies a value that is within 0.6% of the average thickness of the lubricating member, and the lubricating member has carbon fiber contained in a resin base, wherein the carbon fiber has cut surfaces exposed on both ends of the lubricating member.Type: ApplicationFiled: July 30, 2018Publication date: July 30, 2020Inventors: Jaeha LEE, Jinho KIM, Sungyong AHN, Byeongchul LEE, Seheon CHOI
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Publication number: 20200240410Abstract: There is disclosed a scroll compressor according to the present disclosure in which a discharge port is formed at a central portion thereof, and a pair of two compression chambers continuously moving toward the discharge port are formed, and a plurality of bypass portions are formed at each interval along a movement path of each compression chamber in the both compression chambers, and compression gradients of the both compression chambers are formed to be different from each other, wherein when an interval between a bypass portion closest to the discharge port and another bypass portion adjacent to the bypass portion among the bypass portions of each compression chamber is defined as a first interval, respectively, a first interval of a second bypass portion belonging to a compression chamber having a relatively larger compression gradient is formed to be smaller than that of a first bypass portion belonging to the other compression chamber between the both compressor chambers.Type: ApplicationFiled: April 14, 2020Publication date: July 30, 2020Inventors: Yongkyu CHOI, Inho WON, Cheolhwan KIM
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Publication number: 20200240411Abstract: The invention relates to a screw compressor comprising a compressor housing (11) having two rotor screws (1, 2) mounted axially parallel therein, which mesh with each other in a compression space (18), can be driven by a drive and are synchronized with each other in their rotational movement, wherein the rotor screws (1, 2) each have a single-part or multi-part base body (24) with two end faces (5a, 5b, 5c, 5d) and a profiled surface (12a, 12b) extending therebetween, and shaft ends (30) projecting beyond the end faces (5a, 5b, 5c, 5d), wherein at least the profiled surface (12a, 12b) is formed in multiple layers, comprising a first, inner layer (3) and a second, outer layer (4), wherein the first, inner layer (3) and the second, outer layer (4) both comprise or are formed from a thermoplastic synthetic material, wherein particles (25) or pores (32) supporting a running-in process are embedded in the second, outer layer (4) and the thermoplastic synthetic material defines a matrix for receiving the particlesType: ApplicationFiled: April 26, 2018Publication date: July 30, 2020Inventors: Andreas Foerster, Gerald Weih
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Publication number: 20200240412Abstract: [Object] To efficiently supply lubricant oil to a bearing member with a simple mechanism. [Solving Means] A vacuum pump includes a first housing, a second housing, a rotor shaft, a lubricant oil-stirring plate, and a bearing member. The second housing is attached to the first housing and forms a space that stores lubricant oil together with the first housing. The rotor shaft passes through the first housing. The lubricant oil-stirring plate is housed in the space and is attached to the rotor shaft. The bearing member is fixed to the first housing and rotatably supports the rotor shaft. The first housing includes a supply port that enables lubricant oil to be supplied to the bearing member. The second housing includes an inner-wall upper portion which the lubricant oil stirred by the lubricant oil-stirring plate hits against. The inner-wall upper portion of the second housing includes a recess portion that enables the lubricant oil to move above the supply port.Type: ApplicationFiled: May 30, 2018Publication date: July 30, 2020Inventors: Yasuhiro KIMURA, Shinnosuke TOKUHIRA, Hideaki INOUE, Kenji MACHIYA
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Publication number: 20200240413Abstract: Disclosed are an oil separation apparatus (70) and a horizontal vortex compressor (1) comprising the oil separation apparatus (70). The oil separation apparatus (1) comprises a support (71) and a filter member (72), wherein the support (71) is generally cylindrical and comprises a cylindrical wall (712), the filter member (72) is arranged on the cylindrical wall (712), and the cylindrical wall (712) is provided with an opening (711, 713) used for working fluid to pass through; and the filter member (72) is generally cylindrical, and comprises an inner and an outer holding member (74, 76) holding inner and outer contours of the filter member (72) and end holding members (75a, 75b) provided on axial ends of the filter member (72). The oil separation apparatus (70) can increase the oil level of lubricating oil in the compressor (1), reducing disturbance in an oil tank and reducing oil circulation efficiency.Type: ApplicationFiled: July 19, 2018Publication date: July 30, 2020Applicant: Emerson Climate Technologies (Suzhou) Co., Ltd.Inventors: Yinglin YU, Yong LUO, Yu FEI, Yonghua CUI
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Publication number: 20200240414Abstract: A pump cooling system may include a cooling body configured to be fitted to a pump housing to receive heat from the pump housing via a heat conducting path between the cooling body and pump housing. The cooling body may have a passage through which, in use, a cooling fluid is passed to conduct heat away from the cooling body. The pump cooling system includes a cooling control mechanism configured to provide a gap in the heat conducting path at pump operating temperatures below a predefined temperature so heat conduction from the pump housing to the cooling body is interrupted.Type: ApplicationFiled: December 21, 2017Publication date: July 30, 2020Inventors: Michael Henry North, Phillip North, Malcolm William Gray, Neil Turner
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Publication number: 20200240415Abstract: The present invention provides an oil feed type air compressor that can reduce a power consumption of a compressor body during an unload operation. The oil feed type air compressor includes: a compressor body (1) compressing air while feeding an oil into a compression chamber; a separator (4) disposed on a discharge side of the compressor body; a compressed air-feeding system (5) feeding the compressed air separated by the separator to a use destination of the compressed air; an oil-feeding system (6) feeding the oil separated by the separator to the compression chamber of the compressor body; an oil cooler (11) and a temperature sensor (12) disposed in the oil-feeding system; and a controller enabling execution of a temperature control.Type: ApplicationFiled: April 16, 2018Publication date: July 30, 2020Inventor: Masanao KOTANI
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Publication number: 20200240416Abstract: Disclosed are a bailer-type long-shaft pump and a pump station constructed using the long-shaft pump. The long-shaft pump comprises a bailer vehicle (110), a long shaft (120), a bearing (130), a transmission device (140) and an electric motor (150). The transmission device comprises a planetary gearbox (141), an orthogonal shaft gearbox (142) and a frequency converter (143); one end of the long shaft (120) successively passes through the bearing (130), the planetary gearbox (141), the orthogonal shaft gearbox (142) and the frequency converter (143), so as to be in transmission connection with a drive shaft of the electric motor (150); and the bailer vehicle (110) comprises a cylindrical base (112) and at least three blades (111) distributed on the surface of the cylindrical base (112) in an annular array radially extending from the center of the long shaft.Type: ApplicationFiled: March 13, 2018Publication date: July 30, 2020Inventors: Yufeng CHANG, Ye CHEN, Xiaofeng GU, Hao CHEN, Jianzhong YU, Yibing GUAN, Fei WANG, Ben LV, Fang WU, Shi CHENG
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Publication number: 20200240417Abstract: A high-power pump structure includes a housing having a first and an opposite second side; an isolating plate; and a closing member. On the first side, a pump chamber is formed and divided into a first and a second chamber by a partitioning section, which has an end forming a flow-guiding plate. In the second chamber, there is a raised pivot section having a centered receiving opening for connecting with a rotor assembly, such that an annular recess is defined on the second side corresponding to a rear side of the pivot section for receiving a stator assembly. The isolating plate covers the second chamber, so that the second chamber is not directly communicable with the first chamber. The closing member covers the first side of the housing with a communicating chamber formed between the closing member and the isolating plate to communicate with the first and the second chamber.Type: ApplicationFiled: January 30, 2019Publication date: July 30, 2020Inventor: Meng Shen
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Publication number: 20200240418Abstract: A water pumping control device may include a primary power source and a secondary power source. The primary power source may be configured to provide a primary power input to a processing unit, and the secondary power source may be configured to provide a secondary power input to the processing unit. A primary pump and a secondary pump may be in communication with the processing unit, and the primary pump and the secondary pump may each be variable in speed. The primary pump and the secondary pump may each be in fluid communication with a sump so that when a pump is activated, the pump may remove water from the sump. A water level sensor may be in communication with the processing unit, and the water level sensor may be configured to provide a water level input describing a water level in the sump to the processing unit.Type: ApplicationFiled: April 15, 2020Publication date: July 30, 2020Inventor: Daniel D. Correia
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Publication number: 20200240419Abstract: Provided is a bidirectional pump, including a housing comprising a fluid inlet, and first and second fluid outlets that communicate with the fluid inlet and face each other; an impeller disposed in the housing, and rotating in a forward direction or in a reverse direction; a motor configured to impart a rotating force to the impeller; and a diaphragm disposed between the first and second fluid outlets in the housing, and deformed according to pressure exerted by rotation of the impeller, wherein the diaphragm closes either of the first and second fluid outlets according to a rotating direction of the impeller.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Inventors: Dohyun JUNG, Taehee LEE
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Publication number: 20200240420Abstract: A modular fan housing configured to hold an array of motors and fans is provided. The modular fan housing is configured for use in an air-handling system that delivers air to a ventilation system for at least a portion of a building. The fan housing comprises a plurality of modular units configured to be stacked adjacent to one another in at least one row or column to form an array. The modular units each include an interior surface and have a front end and a back end that define a chamber. The chambers are configured to receive the motors and fans. Sound attenuation layers extend along at least a portion of the interior surface of the corresponding chambers. The sound attenuation layers are positioned between at least some of the adjacent chambers.Type: ApplicationFiled: September 20, 2019Publication date: July 30, 2020Inventor: Lawrence G. Hopkins
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Publication number: 20200240421Abstract: In the turbo molecular pump, at least one of the multiple stages of the rotor blades and the multiple stages of the stator blades is configured to satisfy any one of a first condition of Xout<Xc and Xin<Xc, a second condition of ?·Xc?Xin>Xc>Xout where ?=1.04, or a third condition of Xin<Xc<Xout??·Xc where ?=1.04.Type: ApplicationFiled: December 31, 2019Publication date: July 30, 2020Inventor: Keiichi FUTAGI
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Publication number: 20200240422Abstract: A monitoring system for monitoring behaviour of a rotating shaft is provided. The system includes a phonic wheel which is mounted coaxially to the shaft for rotation therewith, the phonic wheel having a number N of teeth in a circumferential row. The system further includes a first sensor configured to detect the passage of the teeth of the phonic wheel by generating a first alternating measurement signal which includes (i) a primary oscillatory component having a frequency of fN, where f is the rotational frequency of the shaft, and (ii) a secondary oscillatory component of frequency f when the phonic wheel precesses such that each revolution of the shaft a clearance between the phonic wheel and the first sensor cyclically varies between a maximum value and a minimum value.Type: ApplicationFiled: January 14, 2020Publication date: July 30, 2020Inventor: Ralph W. HILL
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Publication number: 20200240423Abstract: A control device for mechanically actuating a component may include a housing surrounding a housing interior, at least one fastening sleeve integrally disposed on the housing, and at least one connection opening disposed at the at least one fastening sleeve. The at least one fastening sleeve may surround a fastening opening into which a pin-shaped fastening element may be insertable. One end of the at least one connection opening may lead to a sleeve inner side. The at least one fastening sleeve may be arranged at a housing outer side. The fastening opening may extend outside of the housing interior. Another end of the at least one connection opening may lead to a housing inner side. The at least one connection opening may be covered on the housing inner side via a membrane penetrable by gas and impenetrable by liquid.Type: ApplicationFiled: July 5, 2018Publication date: July 30, 2020Applicant: Mahle International GmbHInventors: Peer Niekamp, Mathis Wachtler, Manuel Zahlecker
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Publication number: 20200240424Abstract: A vehicle having an engine system which can detect an expected compressor surge event while the compressor is operating in a stable region of a compressor map, and upon detecting the expected compressor surge event controlling one or more engine operating parameters to maintain compressor operation in the stable region of the compressor map without transgressing (or mitigating the transgression of) a compressor surge line on the compressor map which, if transgressed, may cause compressor surge to occur.Type: ApplicationFiled: January 25, 2019Publication date: July 30, 2020Inventors: Vishnu Vijayakumar, Rahul Dev Rajampeta, Dave William Slessor, Sabrina Niemann, Mike Padowski
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Publication number: 20200240425Abstract: A luminous fan includes a fan frame, a main circuit board, a light guide element and a light-guiding impeller. The main circuit board is disposed on a bracket of the fan frame and includes a first light-emitting element. The light guide element is located over the main circuit board, and includes a light input surface and light output surface. A light guide post is disposed on the light input surface. A reflective structure is formed on the light output surface. The light-guiding impeller is pivotally coupled to the bracket. The first light-emitting element emits a first light beam. After the first light beam is transmitted to the reflective structure through the light guide post, the first light beam is reflected by the at least one reflective structure and diffused toward a middle region of the light guide element.Type: ApplicationFiled: March 25, 2019Publication date: July 30, 2020Inventors: Wei-Chiang Huang, Wei-Ping Chan
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Publication number: 20200240426Abstract: A turbocharger, having a turbine with a turbine housing and a turbine rotor, (a compressor with a compressor housing and a compressor rotor that is coupled to the turbine rotor via a shaft, a bearing housing arranged between the turbine housing and the compressor housing, in which the shaft is mounted via a bearing. An end disc adjoins the bearing ring or the bearing bush. On an axial surface facing the bearing ring or the bearing bush of the bearing facing the turbine, a swirl chamber that is open in the direction of the bearing ring or the bearing bush is introduced into the end disc, which collects and discharges oil leaking from a lubrication gap of the bearing.Type: ApplicationFiled: January 23, 2020Publication date: July 30, 2020Inventors: Sven BRANDT, Bernd HAAS, Johannes NIEBUHR, Harald DENKEL, Vladimir HORT, Petr HOLIK, Radek TEPLY
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Publication number: 20200240427Abstract: A gas turbine engine includes coaxially arranged shafts mounted in a bearing chamber. An interior of the bearing chamber is sealed via sealing units which can be loaded with blocking air on sides facing away from the interior. The pressure of the blocking air is in each case greater than the pressure in the bearing chamber. An intermediate shaft sealing unit is provided radially between the shafts, and can be loaded with the blocking air on both sides in the axial direction, and seals a region between the shafts, adjoining the bearing chamber, from a further region between the shafts. Regions carrying blocking air, in which different pressure levels prevail during operation, are connected together for immediate pressure balance via openings on the side of the intermediate shaft sealing unit facing the sealing units, and on the side of the intermediate shaft unit facing away from the sealing units.Type: ApplicationFiled: December 12, 2019Publication date: July 30, 2020Inventor: Roy TEUBER
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Publication number: 20200240428Abstract: An impeller for centrifugal pumps having at least one blade for delivering solids-containing media has, between a leading edge of the blade and a circumferential direction, an angle a, and between a leading edge of the blade and a meridional direction, an angle ? Depending on the dominant speed, the associated angles ?, ? are less than 90°, preferably less than 70°, in particular less than 50°.Type: ApplicationFiled: July 24, 2018Publication date: July 30, 2020Inventor: Peer SPRINGER
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Publication number: 20200240429Abstract: In a propeller fan, an air-sending device and an air-conditioning apparatus, between a leading edge and trailing edge of each of blades, a starting point at which the first one of first maximum points is located is closer to the leading edge than a starting point at which the first one of second maximum points are located, distances L1 between minimum points and the first maximum points vary such that the distance L1 increases from the starting point at which the first one of the first maximum points is located, toward the trailing edge, and distances L2 between a connection point and the second maximum points vary in accordance with the position of each of the second maximum points such that the distance L2 increases from the starting point at which the first one of the second maximum points is located, toward the trailing edge.Type: ApplicationFiled: February 28, 2017Publication date: July 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Takahide TADOKORO, Naohiko HONMA
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Publication number: 20200240430Abstract: A stagger angle of a rotor blade has a first stagger angle distribution having a local minimum value in a region from an inner circumferential edge to a first boundary position, and has a second stagger angle distribution that increases toward an outer circumferential edge and follows an n-dimensional function using the radius of the rotor blade as a parameter in a region from the first boundary position to the outer circumferential edge, where n is a value ranging from 1 to 2 and exclusive of 1. This can limit the height of the outer circumferential portion, and can achieve a reduced noise level and higher efficiency.Type: ApplicationFiled: October 3, 2017Publication date: July 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Toshikatsu ARAI, Hitoshi KIKUCHI, Chikage KADOI
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Publication number: 20200240431Abstract: An axial flow fan includes a hub rotatable about a fan axis and a plurality of fan blades mounted to the hub. One of the plurality of fan blades includes at least one wave extending in a span wise direction over the fan blade and at least one serration extending along a trailing edge of the fan blade. The at least one wave and the at least one serration are arranged at a location between 40% and 100% of a span of the fan blade.Type: ApplicationFiled: September 27, 2018Publication date: July 30, 2020Inventors: Peter R. Bushnell, Lee G. Tetu, Jackie S. Anderson