Patents Assigned to PIERBURG PUMP TECHNOLOGY GMBH
  • Publication number: 20140161647
    Abstract: A vacuum pump for use in the automotive sector includes a rotor element fixed on a rotor shaft and arranged in a rotor housing, an electric drive arranged in a motor housing, a housing wall comprising at least one passage opening, and a bearing device. The rotor housing comprises at least one inlet and at least one outlet. The electric drive directly or indirectly drives the rotor shaft. The housing wall interconnects the rotor housing and the motor housing so as to form a housing assembly. The at least one passage opening fluidically connects the rotor housing and the motor housing. The bearing device supports the rotor shaft in the housing wall.
    Type: Application
    Filed: July 8, 2011
    Publication date: June 12, 2014
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Nabil Salim Al-Hasan, Sebastian Cramer, Daniel Mueller
  • Publication number: 20140132285
    Abstract: A method of verifying a correct adhesion of a substrate on a body which is configured to be electrically conductive and thermally conductive includes providing the body, providing the substrate comprising a top face and a rear face, connecting to the top face of the substrate an electric circuit comprising conductive paths and electronic components, attaching to the rear face the body via an adhesive layer comprising an adhesive, connecting the conductive paths and the body to an respective opposite terminal of a voltage source via contact tabs, measuring a capacity, and determining a quality of the adhesive layer from the measured capacity.
    Type: Application
    Filed: June 6, 2012
    Publication date: May 15, 2014
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Hagen Friede, Hartmut Selter, Claus Becker
  • Publication number: 20140056697
    Abstract: A mechanical coolant pump for an internal combustion engine includes a pump rotor wheel comprising rotor blades configured to pump a coolant radially outward. A non-rotating ring of pump stator blades is configured to encircle the pump rotor wheel. At least one of the pump stator blades is a static blade. At least one of the pump stator blades is a pivotable blade configured to pivot about a pivot axis arranged within the pivotable blade.
    Type: Application
    Filed: March 24, 2011
    Publication date: February 27, 2014
    Applicant: Pierburg Pump Technology GmbH
    Inventors: Arnaud Fournier, Gilles Simon
  • Publication number: 20140057545
    Abstract: A housing unit for electrical components for use in the automobile sector includes a housing part configured to be closed in a sealed manner by a housing cover arrangement. The housing cover arrangement comprises a membrane, at least one ventilation opening, a main cover element comprising a recess, and a cover closure element. The recess comprises an opening which is configured to be closed in a sealed manner by the membrane. The opening comprises a rib arrangement which is configured to pretension the membrane. The cover closure element is configured to close the recess so as to provide the at least one ventilation opening.
    Type: Application
    Filed: April 27, 2011
    Publication date: February 27, 2014
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Ronald Rathke, Michael Weinert, Wolfgang Zacher, René Patzner
  • Publication number: 20140030120
    Abstract: A lubricant pump for pumping a pressurized lubricant to an engine includes a shiftable control ring, a pump rotor, a pump outlet port, a pressure control system and a preload control arrangement. The pressure control system comprises a first pressure control chamber, a first pressure conduit connecting the pump outlet port with the first pressure control chamber, and a pressure control valve. The pressure control valve comprises an outlet port, a control valve cylinder wall comprising a control port connected with the outlet port, a control plunger which opens and closes the control port, an input pressure plunger connected with the control plunger, and a control spring preloading the control plunger into a closed position. The preload control arrangement comprises a preload cylinder, a preload plunger in the preload cylinder supporting a basis of the control spring, a preload cylinder inlet, and a preload control valve controlling a lubricant pressure.
    Type: Application
    Filed: February 21, 2011
    Publication date: January 30, 2014
    Applicant: Pierburg Pump Technology GMBH
    Inventor: Carmine Cuneo
  • Publication number: 20140010684
    Abstract: An electric coolant pump for a motor vehicle includes a wet section in which is arranged an impeller and a permanently magnetized motor rotor of an electronically commutated electromotor, a dry section in which is arranged an electric circuit board comprising a plurality of power semiconductors which each comprise a cooling lug, and a partition wall lying in a traverse plane. The partition wall is arranged to separate the wet section and the dry section. The plurality of power semiconductors are each arranged on a proximal side of the electric circuit board facing the partition wall. Each cooling lug is arranged on a cooling lug conductor strip. On a side of the partition wall facing the electric circuit board, the partition wall comprises a heat conductor which is configured to be electrically non-conductive. The heat conductor is arranged to rest directly on a respective cooling lug conductor strip.
    Type: Application
    Filed: July 27, 2011
    Publication date: January 9, 2014
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Witold Joschko, Thomas Joachim Gibat
  • Publication number: 20140010678
    Abstract: An automotive fluidic pump includes a driving device, a pump wheel, a hydraulic coupling configured as a magneto-rheological coupling comprising a rotatable driving clutch element which is permanently connected to the driving device. A rotatable driven clutch element is permanently connected to the pump wheel. A magneto-rheological liquid filling a working gap is arranged between the rotatable driven clutch element and the rotatable driving clutch element. A magnetic unit comprises a permanent magnet and an electromagnet. The permanent magnet and the electromagnet are each configured to magnetically affect the working gap. Each of the driving device and the pump wheel are connectable by the hydraulic coupling. The electromagnet is arranged to compensate a magnetic field created by the permanent magnet in the working gap when the electromagnet is activated.
    Type: Application
    Filed: January 18, 2012
    Publication date: January 9, 2014
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Nicola Novi, Giacomo Armenio
  • Publication number: 20130309084
    Abstract: A motor vehicle coolant pump for supplying coolant to an engine includes a two-part pump housing comprising a pump rotor housing part and a body housing part. The pump rotor housing part comprises a first mounting flange, and the body housing part comprises a second mounting flange which together fix the housing parts with respect to each other and allow a mounting of the housing parts on each other in every rotary position. A pump rotor is arranged in the pump rotor housing part. An axial coolant inlet and a tangential coolant outlet are provided on the pump rotor housing part. A rotary fixation comprises a recess at the pump rotor housing part and a nose which engages in the recess. The rotary fixation allows the pump rotor housing part and the body housing part to be mounted with respect to each other in only one single rotational angle.
    Type: Application
    Filed: August 1, 2011
    Publication date: November 21, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Stephan Schreckenberg, Thomas Wienecke, Bjoern Isenberg
  • Publication number: 20130263815
    Abstract: A variable displacement lubricant pump providing a pressurized lubricant for an engine includes a control ring. A pump housing comprises a pump rotor with radially slidable vanes which rotate in the control ring. A pressure control chamber pushes the control ring into a low pumping volume direction against a force of a flexible pretensioning element. The pressure control chamber is connected with a pump outlet port via a first pressure conduit. A pretension control unit adjusts discharge pressures of the pressurized lubricant. The pretension control unit comprises a pretension cylinder with a plunger and an outlet opening arranged in a cylinder wall. The plunger is axially moveable and supports the flexible pretensioning element to push the control ring into a high pumping volume direction. The pretension cylinder is connected with the pump outlet port via a second pressure conduit. The outlet opening is connectable to a low-pressure via an electrical pretension control valve.
    Type: Application
    Filed: November 24, 2010
    Publication date: October 10, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventor: Carmine Cuneo
  • Publication number: 20130233257
    Abstract: A mechanical coolant pump for an internal combustion engine includes a pump housing configured to be stationary. The pump housing comprises an internal pneumatic actuator supplied by a pneumatic supply device. A pump wheel comprises a pump wheel shaft. The pump wheel shaft is rotatably supported by the pump housing. A driven shaft is directly connected to a pulley-wheel. An internal pneumatic clutch unit comprises a fixed clutch disk attached to the driven shaft or to the pump wheel shaft, and an axially slidable clutch disk. The slidable clutch disk is arranged at the pump wheel shaft or at the driven shaft and is rotatably fixed to the pump wheel shaft or to the driven shaft. The internal pneumatic actuator axially actuates the slidable clutch disk. The driven shaft is connectable to the pump wheel shaft via the internal pneumatic clutch unit.
    Type: Application
    Filed: September 7, 2010
    Publication date: September 12, 2013
    Applicant: Pierburg Pump Technology GmbH
    Inventor: Jean-Michel Durand
  • Publication number: 20130220291
    Abstract: An electric exhaust gas recirculation valve for an internal combustion engine of a motor vehicle includes a motor rotor. A drive motor is configured to be mechanically commutated. The drive motor comprises a plastic carrier panel lying in a transverse plane arranged at a longitudinal end of the drive motor. The plastic carrier panel comprises, on a side facing the motor rotor, at least two commutator brushes and suppression reactance coils assigned to the at least two commutator brushes. Suppression capacitors are arranged on a side averted from the motor rotor. A valve body. A reduction gearing is connected to the drive motor. The reduction gearing is mechanically connected to the valve body.
    Type: Application
    Filed: June 29, 2011
    Publication date: August 29, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Enrico Lindner, Mathias Zill, Ronald Rathke, Frank Schwabbauer
  • Publication number: 20130136641
    Abstract: A variable-displacement lubricant pump includes a first plunger. A control ring is pushed by the first plunger in a high pumping volume direction. The first plunger is arranged in a first control chamber with a side wall. A first pressure conduit connects a pump outlet port with the first control chamber. A pumping volume limitation unit is arranged so that the first plunger covers and closes an outlet opening arranged in the side wall in a lower pumping volume position of the control ring. A thermostatic element actuates a temperature controlled valve based on lubricant temperature. The thermostatic element pushes a shiftable valve body against a retraction spring to an extended closed end position when the lubricant has an operation temperature.
    Type: Application
    Filed: July 29, 2010
    Publication date: May 30, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Nicola Novi, Jerome Maffeis
  • Publication number: 20130092476
    Abstract: A variable displacement lubricant pump includes a housing, a control ring configured to be shiftable arranged inside the housing, a first control chamber and a second control chamber. The first control chamber and the second control chamber are defined by the housing and by the control ring. A seal comprising a stiff bar and an elastomeric stripe fixed to the stiff bar. The seal is configured to seal the first control chamber and the second control chamber. The stiff bar is configured to slide at the housing. The elastomeric stripe of the seal is attached to the control ring.
    Type: Application
    Filed: March 30, 2011
    Publication date: April 18, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Stefano Fiorini, Daniele Righetti
  • Publication number: 20130071275
    Abstract: A variable displacement lubricant pump for providing a pressurized lubricant for an internal combustion engine includes a shiftable control ring. The control ring comprises a plurality of pump chambers and a pressure relief valve. The plurality of pump chambers rotate through a charge zone and a discharge zone. A pump rotor comprises radially slidable vanes. The pump rotor rotates in the control ring. A pretensioning element pushes the control ring to a high pumping volume direction. A first control chamber pushes the control ring to a low pumping volume direction. A second control chamber pushes the control ring to the high pumping volume direction. A pump outlet is connected to the first control chamber. A throttle valve connects the first control chamber with the second control chamber. The pressure relief valve of the control ring connects the discharge zone to the second control chamber.
    Type: Application
    Filed: May 28, 2010
    Publication date: March 21, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Matteo Gasperini, Stefano Fiorini, Massimiliano Lazzerini, Raffaele Squarcini
  • Publication number: 20130039790
    Abstract: A variable displacement lubricant pump includes a first plunger which pushes a shiftable control ring into a high pumping volume direction. A pump rotor comprises radially slidable vanes which rotate in the control ring. A pressure control system comprises a first pressure control chamber wherein a first plunger is axially moveable. A first pressure conduit connects a pump outlet port with the first pressure control chamber. A first pressure control valve controls a pressure in the first pressure control chamber. A second pressure control valve between an outlet opening in a side wall of the first pressure control chamber and a low pressure source controls the outlet opening and is a centrifugal valve mechanically connected with the pump rotor which closes at a high rotational speed of the pump rotor. The outlet opening is closed by the first plunger in a low pumping volume position and opened in a high pumping volume position.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 14, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Carmine Cuneo, Giacomo Armenio
  • Publication number: 20130039784
    Abstract: An electric motor vehicle coolant pump for cooling an internal combustion engine of a motor vehicle includes a pump housing and a rotor rotatably supported in the pump housing. The rotor comprises a motor rotor configured to be substantially pot-shaped. The motor rotor comprises a pot bottom and a ferromagnetic substance so as to be magnetized in at least a bipolar manner. A pump rotor comprises a plurality of rotor blades and an annular cover ring arranged on distal ends of the plurality of rotor blades. The plurality of rotor blades are configured to stand directly on the pot bottom of the motor rotor. The pump rotor and the motor rotor are each integral plastic material parts separately produced by an injection molding. The pump rotor and the motor rotor are made from different materials. The pump rotor is not ferromagnetic.
    Type: Application
    Filed: August 4, 2010
    Publication date: February 14, 2013
    Applicants: KOLEKTOR MAGNET TECHNOLOGY GMBH, PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Jens Teubel, Ronald Rathke, Martin Fiedlschuster, Michael Weinert, Norbert Weber, Pietro Giannico, Friedel Schlusnus
  • Publication number: 20130034427
    Abstract: An adjustable mechanical coolant pump for an internal combustion engine includes a pump rotor wheel comprising an axial inlet. The pump rotor wheel is configured to pump a coolant radially outwardly. Variable pump stator blades are arranged so as to pivot radially outwardly at a circle concentrically with the pump rotor wheel. A control ring is configured to pivot the variable pump stator blades when the control ring is rotated. An actuator is configured to rotate the control ring so as to pivot the variable pump stator blades between an open position and a closed position. A pump housing body is configured to support the variable pump stator blades and the control ring. A separate static blade holding frame is mounted to the pump housing body. The variable pump stator blades and the control ring are captively mounted at the separate static blade holding frame.
    Type: Application
    Filed: March 5, 2010
    Publication date: February 7, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Arnaud Fournier, Gilles Simon, Gabriel Mele, Eric Majchrzak, Gilles Magnier
  • Publication number: 20130019821
    Abstract: A mechanical combustion engine coolant pump for pumping a coolant for an internal combustion engine includes a stationary cylindrical support body. A rotatable driving wheel is supported by a driving wheel roller bearing at the stationary cylindrical support body. The rotatable driving wheel is configured to be driven by the internal combustion engine. A pump wheel is arranged at a rotatable rotor shaft. The pump wheel is supported by a shaft roller bearing at the stationary cylindrical supporting body. A switchable friction clutch is configured to couple the rotatable driving wheel with the pump wheel. The stationary cylindrical support body integrally comprises an inner ring of the driving wheel roller bearing. The stationary cylindrical support body integrally comprises an outer ring of the shaft roller bearing.
    Type: Application
    Filed: December 15, 2010
    Publication date: January 24, 2013
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Jean-Michel Durand, Pierre Reininger, Laurent Finidori
  • Publication number: 20130011250
    Abstract: A mechanical coolant pump for an internal combustion engine includes a main pump body comprising a volute housing and an outlet channel. A pump wheel is arranged in the volute housing. The pump wheel is configured to pump a coolant into the outlet channel. A volute tongue wall comprising a flap is configured to be axially pivotable. The volute tongue wall is configured to separate the outlet channel from a volute. An outlet valve defined by the flap of the volute tongue wall in an open position forms an end of the volute tongue wall. The outlet valve is configured to control a coolant outlet flow of the mechanical coolant pump. A pivot axis of the flap is arranged adjacent to the volute housing.
    Type: Application
    Filed: February 16, 2010
    Publication date: January 10, 2013
    Applicant: Pierburg Pump Technology GMBH
    Inventors: Arnaud Fournier, Gilles Simon
  • Publication number: 20120321487
    Abstract: A mechanical combustion engine coolant pump for pumping a coolant for an internal combustion engine includes a pump wheel. A rotor shaft is arranged at the pump wheel. The rotor shaft is rotatable and radially supported. A driving wheel is rotatable, radially supported is driven by the internal combustion engine. A connecting device is connects the rotor shaft with the driving wheel so as to be rotatably fixed. A first roller bearing comprises a separate outer bearing ring. The separate outer bearing is directly fixed to a pump frame body. The first roller bearing directly radially supports the rotor shaft or the driving wheel. A separate bearing fixation structure axially pushes the separate outer bearing ring of the first roller bearing so as to be clearance-free against the pump frame body so that the separate bearing fixation structure is directly fixed to the pump frame body.
    Type: Application
    Filed: August 24, 2010
    Publication date: December 20, 2012
    Applicant: PIERBURG PUMP TECHNOLOGY GMBH
    Inventors: Jean-Michel Durand, Pierre Reininger, Laurent Finidori