Patents Assigned to PIERBURG PUMP TECHNOLOGY GMBH
  • Publication number: 20210050717
    Abstract: An automotive auxiliary unit includes an electronic protection unit. The electronic protection unit includes an inverse-polarity protection unit having a semiconductor switch, and an overcurrent protection unit which detects a voltage drop at the semiconductor switch of the inverse-polarity protection unit so as to determine a present current level.
    Type: Application
    Filed: February 5, 2018
    Publication date: February 18, 2021
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: WITOLD JOSCHKO, STEPHAN RIEFERS
  • Publication number: 20210036586
    Abstract: An electric motor vehicle auxiliary unit includes a housing which is at least partly electrically conductive. An electric drive motor having stator-side motor coils, a unit mechanism which is driven by the electric drive motor, and a motor electronics circuit board are each arranged within the housing. The motor electronics circuit board includes motor electronics having control and power electronics which control the electric drive motor, and at least one housing ground connection which is electrically conductively connected directly to the housing via a housing ground element. A punch comb arrangement has at least two plug pins. A plug connection connects the motor electronics circuit board to an engine control unit. The plug connection is electrically connected to the motor electronics circuit board via the punch comb arrangement. The housing ground element is designed as a plug pin of the at least two plug pins of the punch comb arrangement.
    Type: Application
    Filed: February 28, 2018
    Publication date: February 4, 2021
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: CHRISTIAN SCHULZ, PETER GROSS
  • Publication number: 20200400142
    Abstract: A variable mechanical lubricant pump provides a pressurized lubricant for an internal combustion engine. The lubricant pump includes a delivery port which is fluidically connected to the engine, a control ring which shifts between a maximum and a minimum eccentricity position, a pump rotor having slidable vanes which rotate in the control ring, a control ring preload spring which pushes the control ring into the maximum eccentricity position, a hydraulic control chamber which pushes the control ring into the minimum eccentricity position, a pressure galley pump port fluidically connected to the engine, and an overpressure valve fluidically associated with the delivery port. The pressure gallery pump port charges the hydraulic control chamber with a gallery pressure to control a remote gallery pressure of the engine via a control chamber pressure in the hydraulic control chamber. The overpressure valve opens if an applied lubricant pressure exceeds a predefined maximum pressure limit.
    Type: Application
    Filed: March 5, 2018
    Publication date: December 24, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: CARMINE CUNEO, MASSIMILIANO LAZZERINI
  • Publication number: 20200332799
    Abstract: An electrical motor vehicle vacuum pump arrangement includes a housing assembly which includes an inlet opening arrangement having an inlet opening, an outlet opening arrangement having an outlet opening and an outlet channel, a pump unit having a pump rotor housing with an inlet-side end wall, an outlet side end wall, and a pump rotor housing part arranged therebetween, a drive motor having a motor rotor and a motor stator, sound absorption elements, and a sealing connected to the pump rotor chamber and directed towards the outlet opening. The outlet opening arrangement is connected to one of the sound absorption elements. The outlet channel of the outlet opening arrangement is closed relative to the drive motor and the pump unit. The outlet channel of the outlet opening arrangement, when viewed in a direction of the outlet opening, comprises at least one abrupt change in cross-section.
    Type: Application
    Filed: August 17, 2017
    Publication date: October 22, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: STEFFEN SCHNURR, NABIL SALIM AL-HASAN, STANISLAUS RUSS, TOBIAS GRUENE
  • Publication number: 20200309136
    Abstract: An electric fluid pump for a motor vehicle includes a housing composite, a pump unit, a drive motor, a rotor shaft, and a motor controller which controls the drive motor. The housing composite defines a pump space, which includes a pump rotor space wherein a pump rotor of the pump unit is arranged, and a motor space wherein the drive motor is arranged, which together comprise a common end wall. The drive motor includes a motor stator, a motor coil arrangement, and a motor rotor. The rotor shaft co-rotatably connected to the motor rotor, and is arranged through the common end wall to rotate jointly with the pump rotor. The common end wall is a mounting wall part on which at least the motor controller is arranged. The motor coil arrangement is arranged on the motor stator and is provided on a side which is opposite to the motor controller.
    Type: Application
    Filed: June 20, 2016
    Publication date: October 1, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: MARTIN HELMIS, THOMAS WIENECKE
  • Publication number: 20200309134
    Abstract: A dry-running vane gas pump includes a pump housing which forms a pump chamber, a pump rotor with at least one displaceable slide element which pump rotor is rotatably supported in the pump chamber, at least one fluid inlet opening associated with the pump chamber, a first fluid outlet opening associated with the pump chamber, a second fluid outlet opening associated with the pump chamber, and a non-return valve which closes the first fluid outlet opening. The second fluid outlet opening is permanently open. The first fluid outlet opening is arranged before the second fluid outlet opening in a direction of rotation of the pump rotor.
    Type: Application
    Filed: February 1, 2017
    Publication date: October 1, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: TOBIAS GRUENE, NABIL SALIM AL-HASAN, STEFFEN SCHNURR
  • Publication number: 20200300092
    Abstract: A vane pump for providing a pressurized lubricant includes a static pump housing defining an inlet and an outlet, a shiftable control ring with at least one slide support surface, a pump rotor with rotor vanes which rotate within the control ring, and metal slide support pad(s). The control ring shifts with respect to the pump rotor to vary an eccentricity and to thereby control a volumetric pump performance. The pump housing comprises a static control ring housing body which radially surrounds and supports the control ring, and two static pump housing lids which axially support the control ring housing body and the control ring. The control ring housing body is made of plastic. The metal slide support pad(s) is fixed to the static control ring housing body and, together with the at least one slide support surface, provides a friction bearing for the control ring.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 24, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventor: MASSIMILIANO LAZZERINI
  • Publication number: 20200300263
    Abstract: A coolant pump assembly includes an electric coolant pump for a motor vehicle. The electric coolant pump includes a multi-part pump housing and an electric drive unit arranged in the multi-part pump housing. The multi-pat housing includes a coolant inlet, a coolant outlet, and a fastening assembly via which the electric coolant pump is detachably connected in an engine compartment to an engine component and/or to a body part. The fastening assembly includes at least one screw connection and at least one interlocking connection.
    Type: Application
    Filed: April 1, 2016
    Publication date: September 24, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: THOMAS WIENECKE, ELIAS-IMMANUEL WEIRICH, STEPHAN SCHRECKENBERG
  • Publication number: 20200291947
    Abstract: An electronic motor vehicle fluid pump includes a pump housing and a motor which is electronically commutated. The motor includes a motor rotor which is permanently magnetized, a motor stator with a stator body and a plurality of stator coils, a cylindrical metal motor can which fluidically separates the motor stator and the motor rotor, and a motor electronics unit with an electric ground terminal. The motor electronics unit is arranged at a dry side of the cylindrical metal motor can and is electrically connected to the plurality of stator coils so as to energize the plurality of stator coils to drive the motor rotor. A pump wheel is arranged to co-rotate with the motor rotor.
    Type: Application
    Filed: November 22, 2017
    Publication date: September 17, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: REINHARD GOOTZ, STEPHAN RIEFERS, PREDRAG STEVANOVIC, ERCAN BIRINCI, ALEXANDER FINDEISEN
  • Patent number: 10778073
    Abstract: An automotive auxiliary device includes an electric drive motor which is brushless and electronically commutated. The electric drive motor includes a rotatable motor rotor which defines a longitudinal rotor axis, a motor stator, and at least one stator-sided hall-sensor. The motor rotor includes a rotor shaft, a magnet carrier, and at least one permanent magnet which generates at least two rotor poles. The permanent magnet is fixed to the magnet carrier to provide a free inner space between the rotor shaft and the permanent magnet. The permanent magnet includes an axial protruding portion which axially protrudes from at least one side of the magnet carrier. The motor stator comprises at least two stator coils which are arranged radially around the rotatable motor rotor. The hall-sensor is arranged in the free inner space and is provided as a type of radial rotor detection sensor.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: September 15, 2020
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Viktor Schroeder, Andreas Wulf, Frank Buerger, Alessandro Malvasi
  • Publication number: 20200266734
    Abstract: An electronically commutated electric motor includes a stator with stator coil(s), a magnetized rotor which rotates relative to the stator, the magnetized rotor having at least two opposite magnet poles which generate an excitation field, a static magnetic field sensor which detects the excitation field and generates a sensor signal having signal edges, a full-wave signal period, and half-wave lengths of an N- and an S-signal level, a motor energizing device which drives the stator coil(s) and generates a revolving stator field when triggered by a trigger signal, a memory unit which saves parameter values, and an evaluation unit which generates the trigger signal via a shift compensation of an asymmetric shift of the signal edges of the sensor signal. The shift compensation is calculated based on a position of a received sensor signal edge, the full-wave signal period, and the half-wave lengths of the sensor signal.
    Type: Application
    Filed: November 9, 2017
    Publication date: August 20, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: CHRISTIAN SCHULZ, ERCAN BIRINCI, TIMO KERSTEN, MICHAEL STEPANOW, MARTIN HELMIS
  • Publication number: 20200256285
    Abstract: An automotive vapor pump for pumping a pump gas having a fuel vapor. The automotive vapor pump includes a pump inlet opening, a pump outlet opening, an outlet volute, a pump outlet duct which is substantially tangential and which fluidically connects the outlet volute with the pump outlet opening, a centrifugal pumping wheel which pumps the pump gas from the pump inlet opening into the outlet volute and subsequently into the pump outlet duct, an electric motor which drives a pumping wheel, the electric motor including a static motor coil, a magnetic rotor body, and a motor driving electronics which drives the static motor coil, an electric connector plug which electrically connects the motor driving electronics with an external control unit, and an integrated pressure sensor which detects a fluidic pressure in the outlet volute or in the pump outlet duct.
    Type: Application
    Filed: November 16, 2015
    Publication date: August 13, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: ALESSANDRO MALVASI, ANDREAS WULF
  • Publication number: 20200256335
    Abstract: A variable lubricant vane pump includes a pump housing, a shiftable control ring, a rotatable pump rotor, a control ring preload spring which preloads and pushes the control ring into a high eccentricity direction, a hydraulic safety control chamber which moves the control ring against the control ring preload spring and which is directly and constantly pressurized with a pressurized lubricant having a pump outlet pressure, a separate hydraulic adjustment control chamber which moves the control ring against the control ring preload spring and which is selectively pressurized with the pressurized lubricant having an over-atmospheric pressure, an electric adjustment valve which selectively directs the pressurized lubricant having the over-atmospheric pressure to the separate hydraulic adjustment control chamber, and a calibrated hydraulic channel which directly connects the separate hydraulic adjustment control chamber with atmospheric pressure.
    Type: Application
    Filed: August 3, 2017
    Publication date: August 13, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventor: CARMINE CUNEO
  • Publication number: 20200251965
    Abstract: An electric fluid pump for a motor vehicle includes an electric drive motor which is brushless and electronically commutated. The electric drive motor includes a permanent-magnetic motor rotor having a motor shaft and at least two rotor poles, each of the at least two rotor poles having one permanent magnet embedded therein, a plurality of stator-side magnetic coils, at least two sensor magnets each of which emit an axial magnetic field, and at least one Hall sensor which is arranged to lie eccentrically in a transverse plane so that the at least one Hall sensor detects the axial magnetic fields of the at least two sensor magnets. The at least two sensor magnets are magnetized diametrically. The at least one Hall sensor is arranged so that during one revolution of the permanent-magnetic motor rotor, both polarities are detectable by each of the at least two sensor magnets.
    Type: Application
    Filed: October 25, 2017
    Publication date: August 6, 2020
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: ALESSANDRO MALVASI, CHRISTIAN SCHULZ, FRANK BUERGER, MARTIN GLOGASA, WITOLD JOSCHKO
  • Patent number: 10714991
    Abstract: An automotive single-phase electrical motor of a claw pole type includes a rotating motor rotor which rotates around a rotating axis, a stator defined by a pair of annular stator bodies, and a stator coil arrangement which magnetizes the stator bodies. The stator bodies includes a first stator body having a radial arm and at least two magnetic claws, and a second stator body having a radial arm and at least two magnetic claws. The at least two magnetic claws of the first stator body mesh with the at least two magnetic claws of the second stator body so that the stator bodies mate with each other. The stator coil arrangement is provided as a satellite of the stator bodies. The radial arm of the first stator body and the radial arm of the second stator body are magnetically connected to each other at the stator coil arrangement.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: July 14, 2020
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Enrico Lindner, Mathias Zill, Toni Henke
  • Patent number: 10696280
    Abstract: A mechanical automotive vacuum pump includes a housing with a housing cylindrical bearing surface. A pumping chamber is arranged in the housing. A pump rotor which includes a rotor body having a rotor body bearing section and a chamber section is rotatably supported by the housing. A radial vane slit is arranged at the chamber section. A rotor body cylindrical bearing surface is arranged at the rotor body bearing section. The rotor body bearing section includes a circular lubrication ring groove. A radially shiftable pump vane is supported in the radial vane slit. A friction bearing is defined by the rotor body cylindrical bearing surface and the housing cylindrical bearing surface. The housing cylindrical bearing surface includes a lubrication inlet opening which lies in a same transversal plane as and opposite to the circular lubrication ring groove. The lubrication inlet opening is directly connected to a lubricant pump connector.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: June 30, 2020
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Giorgio Peroni, Raffaele Squarcini, Giacomo Armenio
  • Patent number: 10619638
    Abstract: A vacuum pump includes a pump rotor comprising a rotor body, a housing arrangement, a slidable pump vane, and a backing support cone structure. The rotor body comprises a vane slit, a conical ring, a coupling-sided end portion, and a vane-sided end portion. The housing arrangement comprises a static conical ring corresponding to the conical ring. The slidable pump vane is supported in the vane slit. The backing support cone structure is arranged at a front end of the vane-sided end portion and is defined by the conical ring of the rotor body and the static conical ring of the housing arrangement. A coupling structure and a single radial bearing are each arranged at the coupling-sided end portion of the rotor body and a radial bearing is not arranged at the vane-sided end portion of the rotor body so that the rotor body is radially supported cantilevered.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: April 14, 2020
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Giorgio Peroni, Raffaele Squarcini, Michael Rombach, Giorgio Mamberti
  • Patent number: 10590935
    Abstract: An automotive electric liquid pump includes a pump housing comprising a first longitudinal end and a second longitudinal end, a rotor which defines a longitudinal rotor axis, a pump chamber inlet, a pump chamber outlet, an electric motor, a power electronics chamber, a pump chamber, and a separation wall. The electric motor comprises stator coils arranged at the first longitudinal end. The electric motor drives a pump rotor. The power electronics chamber comprises power semiconductors to drive the stator coils. The power electronics chamber is arranged at the second longitudinal end. The pump chamber is configured to have the pump rotor driven by the electric motor rotate therein so as to pump a liquid from the pump chamber inlet to the pump chamber outlet. The separation wall is arranged in a transversal plane. The separating wall separates the pump chamber from the power electronics chamber.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: March 17, 2020
    Assignee: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Alessandro Malvasi, Giacomo Armenio
  • Publication number: 20190353166
    Abstract: An electric motor-vehicle coolant pump includes a housing, a pump unit with blade elements, a motor unit with a motor stator and a motor rotor which are mounted in the housing via a bearing, and inlet and outlet openings with respective center axes. The pump unit pumps a cooling fluid. The motor rotor has an impeller element and a drive element which extends in an axial direction and which has an axis of rotation. The blade elements are arranged on the impeller element. The inlet and outlet openings each allow the cooling fluid to flow through the motor unit. The outlet openings of the pump unit are arranged in the motor rotor. When viewed in an outlet direction, the respective center axes of the outlet openings include an angle ? of 10° to 135° with respect to a projection of the axis of rotation into the respective outlet opening.
    Type: Application
    Filed: September 18, 2017
    Publication date: November 21, 2019
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: LARS HEITZIG, CLEMENS REICHEL, HEMKE MAETER, FALK STEIGER
  • Publication number: 20190345943
    Abstract: A vane type gas pump for a compressible fluid. The vane-type gas pump includes a pump housing which forms a pump chamber in which a pump rotor with at least one slidable sliding element is rotatably mounted. At least one fluid inlet opening and at least one elongated fluid outlet opening are dedicated to the pump chamber. The at least one slidable sliding element has a tangential width. The at least one elongated fluid outlet opening has a tangential width. The tangential width of the at least one slidable sliding element at least corresponds to the tangential width of the at least one elongated fluid outlet opening so that the at least one slidable sliding element temporarily completely covers the at least one elongated fluid outlet opening.
    Type: Application
    Filed: February 1, 2017
    Publication date: November 14, 2019
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: STEFFEN SCHNURR, SEBASTIAN CRAMER, NABIL SALIM AL-HASAN, STANISLAUS RUSS, TOBIAS GRUENE