Patents Assigned to Marquardt GmbH
  • Publication number: 20070108777
    Abstract: A lock for a household appliance, such as a tumble drier, a washing machine, a dishwasher or the like, has a movable retaining element. The movable retaining element is configured in the style of a slider for interaction with a locking bar located on a door, a lid, a hinged opening or the like of the household appliance. The lock has a two-state locking mechanism for the retaining element, such that the locking mechanism in a first state blocks the movement of the retaining element and in a second state frees the movement of the retaining element. The locking mechanism can be electromagnetically controlled between the two states.
    Type: Application
    Filed: October 26, 2006
    Publication date: May 17, 2007
    Applicant: Marquardt GmbH
    Inventors: Heinrich MUELLER, Manfred LONAU
  • Publication number: 20070046405
    Abstract: The invention relates to a power breaker for switching electrical loads having a parallelepipedal shape having four longitudinal sides lying in the longitudinal direction (LQ) of the parallelepiped, a first transverse side and an opposing second transverse side, an electromagnetic coil having a longitudinal axis (LS), an input connection, an output connection, and a moving contact path that is electrically connected to the input connection or the output connection. The invention also relates to power supply assembly arrangement for switching an electrical current between an external power supply line and at least one load where the moving contact path and the coil are arranged longitudinally parallel to one another in the longitudinal direction (LQ) of the parallelepipedal shape.
    Type: Application
    Filed: October 26, 2005
    Publication date: March 1, 2007
    Applicant: Marquardt GmbH
    Inventor: Heinrich Muller
  • Publication number: 20060290306
    Abstract: A circuit arrangement is provided, including at least one heat-generating power component and means for monitoring the temperature of the circuit arrangement. When a preset limiting temperature is reached, the means for monitoring the temperature reduces the power of the load using the power component by reducing the load current flowing through the power component. An electric switch including such a circuit arrangement is also provided.
    Type: Application
    Filed: August 29, 2006
    Publication date: December 28, 2006
    Applicant: Marquardt GmbH
    Inventor: Peter Broghammer
  • Patent number: 7121893
    Abstract: An electrical switch for an electric device is provided, including a contact system including at least one electrical power supply line, an electronic control circuit and an electrical connection element arranged between at least one contact face of the control circuit and the power supply line. The electrical connection element has at least one metal pin that is fixed in an electrically non-conductive fixing element such that the pin is aligned with respect to the contact face and the power supply line, and such that the pin protrudes from the fixing element on both sides thereof to contact the contact face and the power supply line.
    Type: Grant
    Filed: July 21, 2005
    Date of Patent: October 17, 2006
    Assignee: Marquardt GmbH
    Inventors: Peter Broghammer, Peter Wahl
  • Publication number: 20060201797
    Abstract: An electrical switch, in the form of a short-stroke key is provided, including a housing having a base and a cover fixed to the base. A contact system is located in the housing, and an actuating member acts on the contact system in a switching manner. The base has a cutout in the underside that is positioned remote from the cover. The cover at least partially covers the base on the upper side and on the side face of the base, and an attachment on the cover engages the cutout in a flange manner such that the attachment is accommodated in the base and is at the most flush with the underside of the base.
    Type: Application
    Filed: February 21, 2006
    Publication date: September 14, 2006
    Applicants: Marquardt GmbH, DaimlerChrysler AG
    Inventors: Axel Rastemborski, Bernd Hellbeck
  • Publication number: 20060124438
    Abstract: An electrical switch having a form of one of a joystick and a cursor switch is provided, including an operating element. The operating element interacts with at least one of rotation means such that the operating element can be rotated, and with movement means such that the operating element can be moved in at least one linear direction on a movement plane. The operating element has a switching effect on a switching element during rotation and/or during movement.
    Type: Application
    Filed: February 3, 2006
    Publication date: June 15, 2006
    Applicant: Marquardt GmbH
    Inventors: Michael Bader, Markus Kramer
  • Patent number: 7034523
    Abstract: The invention relates to a path and/or position measuring device (1) comprising a magnet (2) and a sensor (3) detecting the magnetic field intensity. The magnet (2) and/or the sensor (3) co-operate with a movable element (4), it being possible for a relative movement between the sensor (3) and the magnet (2) to be brought about by means of the movable element (4). Furthermore, the magnet (2) is formed in such a way that the magnetic field intensity varies along an axis (5) of the magnet (2) and is not constant. The relative movement is substantially in the direction of this axis (5) of the magnet (2). The path and/or the position of the movable element (4) can be determined on the basis of the magnetic field intensity detected by the sensor (3).
    Type: Grant
    Filed: May 27, 2004
    Date of Patent: April 25, 2006
    Assignee: Marquardt GmbH
    Inventors: Klaus Fahrländer, Dierk Tille, Heinrich Müller, Florian Kampf
  • Patent number: 7023318
    Abstract: The invention relates to an electronic lock for a locking system, in particular an electronic ignition lock for a motor vehicle. The lock has a holder into which an associated electronic key can be introduced. The key, which is in the holder, exchanges at least one coded operating signal with the lock. After positively evaluating the operating signal, the holder can be moved into at least one actuating position. The lock has a blocking element which adjusts on introduction of the key into the holder and/or removal of the key from the holder. Movement of the holder is possible when the key is correctly in the holder. Furthermore, the lock has a switching element on which the adjusting movement of the blocking element exerts a switching action via a separate transmitter which can be brought into operative connection both with the blocking element and with the switching element.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: April 4, 2006
    Assignee: Marquardt GmbH
    Inventors: August Geiger, Karl Müller, Michael Geber, Hartmut Fitz
  • Patent number: 7015688
    Abstract: A device for adjusting rotation angles, e.g. an electrical rotary switch (1), has a stator (2) and a rotator (3) mounted on the stator (2). The rotator (3) rotates between at least two rotational angle positions. The device has a magnet (4), e.g. a permanent magnet, which can be moved by the rotor (3), and a magnet field sensor (5), e.g. a Hall sensor, which together with the magnet (4) produces a signal which corresponds to the rotational angle position. The stator (2) has a receptacle (8) open on one side and shaped like a pot, with the receptacle (8) forming a rotating bearing for the rotator (3). The magnetic field sensor (5) is arranged in the receptacle (8) on the stator (2) and/or on a part which is mounted on the stator (2), such that the stator is a mount for the magnet field sensor (5).
    Type: Grant
    Filed: August 25, 2003
    Date of Patent: March 21, 2006
    Assignee: Marquardt GmbH
    Inventors: Ralph Wolber, Rainer Kizele, Wolfgang Haeussler, Peter Bachmann
  • Publication number: 20060028353
    Abstract: The invention relates to a locking system, for providing authorization to access and drive a motor vehicle. The locking system has a first device, which is a control device for unlocking and locking the car doors, the ignition lock, the steering wheel lock, etc. Additionally, the locking system has a second device, which is an electronic key or an identifier. The two devices have transmission means and/or receiving means for electromagnetic signals with frequencies ? lying in a frequency band between two cut-off frequencies ?a, ?b. At least one of the signals, transmitted between the devices, is a coded operating signal for authenticating the second device. The actual frequency ?i with which the transmission means of the second device is operated is stored in a storage means of the first device.
    Type: Application
    Filed: August 17, 2005
    Publication date: February 9, 2006
    Applicant: Marquardt GmbH
    Inventors: Karl Mueller, Johannes Mattes, Uwe Hipp, Dietmar Weisser, Michael Geber, Markus Ruther, Andreas Pohlmann, Matthias Reinhardt
  • Patent number: 6989670
    Abstract: A path and/or position measuring device is provided, including a magnet and a sensor for detecting the magnetic field intensity. The magnet and/or the sensor cooperate with a movable element. The magnet is formed such that the magnetic field intensity varies along an axis of the magnet and is not constant. The relative movement between the sensor and the magnet is substantially in the direction of the axis of the magnet. The path and/or the position of the movable element can be determined based on the magnetic field intensity detected by the sensor.
    Type: Grant
    Filed: March 25, 2004
    Date of Patent: January 24, 2006
    Assignee: Marquardt GmbH
    Inventors: Klaus Fahrländer, Dierk Tille
  • Publication number: 20060009053
    Abstract: An electrical switch for an electric device is provided, including a contact system including at least one electrical power supply line, an electronic control circuit and an electrical connection element arranged between at least one contact face of the control circuit and the power supply line. The electrical connection element has at least one metal pin that is fixed in an electrically non-conductive fixing element such that the pin is aligned with respect to the contact face and the power supply line, and such that the pin protrudes from the fixing element on both sides thereof to contact the contact face and the power supply line.
    Type: Application
    Filed: July 21, 2005
    Publication date: January 12, 2006
    Applicant: Marquardt GmbH
    Inventors: Peter Broghammer, Peter Wahl
  • Patent number: 6967297
    Abstract: A sensor for detecting a rupture or length change in a belt. The sensor has a movable transmission element operatively connected to the belt, that acts on an electrical switch having a contact system in the event of a length change or rupture of the belt. The contact system comprises a switching contact with a contact surface arranged on a first end, and an associated fixed contact. The transmission element acts on the second end of the leaf spring. A limb extends approximately from the first end of the leaf spring in the direction of the second end, and a further limb extends from the second end of the leaf spring in the direction of the first end. The free ends of the two limbs are clamped offset from one another on a carrier part of the switch, such that the switching contact switches over in a bistable manner.
    Type: Grant
    Filed: January 4, 2005
    Date of Patent: November 22, 2005
    Assignee: Marquardt GmbH
    Inventors: Heinrich Müller, Manfred Lonau
  • Patent number: 6965087
    Abstract: An electric switch, in particular for a high load, such as a power switch. The switch has a contact system comprising a movable switching contact and at least one stationary contact. A movable actuation member, when moved, interacts with the switching contact for the purpose of switching the contact system. If appropriate, the switch may also have a movable locking means, which interacts with the actuation member in an interlocking manner. The actuation member is in operative connection with a lever in such a way that, when there is movement of the actuation member, the lever carries out a pivoting movement. The pivoting movement of the lever moves the switching contact for the purpose of switching and/or the locking means for the purpose of interlocking, in particular with increasing transformation of the displacement covered by the actuation member.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: November 15, 2005
    Assignee: Marquardt GmbH
    Inventors: Ralph Wolber, Rainer Kizele, Heinrich Müller, Thomas Mejerl
  • Publication number: 20050161310
    Abstract: A sensor for detecting a rupture or length change in a belt. The sensor has a movable transmission element operatively connected to the belt, that acts on an electrical switch having a contact system in the event of a length change or rupture of the belt. The contact system comprises a switching contact with a contact surface arranged on a first end, and an associated fixed contact. The transmission element acts on the second end of the leaf spring. A limb extends approximately from the first end of the leaf spring in the direction of the second end, and a further limb extends from the second end of the leaf spring in the direction of the first end. The free ends of the two limbs are clamped offset from one another on a carrier part of the switch, such that the switching contact switches over in a bistable manner.
    Type: Application
    Filed: January 4, 2005
    Publication date: July 28, 2005
    Applicant: Marquardt GmbH
    Inventors: Heinrich Muller, Manfred Lonau
  • Publication number: 20050007101
    Abstract: The invention relates to a path and/or position measuring device (1) comprising a magnet (2) and a sensor (3) detecting the magnetic field intensity. The magnet (2) and/or the sensor (3) co-operate with a movable element (4), it being possible for a relative movement between the sensor (3) and the magnet (2) to be brought about by means of the movable element (4). Furthermore, the magnet (2) is formed in such a way that the magnetic field intensity varies along an axis (5) of the magnet (2) and is not constant. The relative movement is substantially in the direction of this axis (5) of the magnet (2). The path and/or the position of the movable element (4) can be determined on the basis of the magnetic field intensity detected by the sensor (3).
    Type: Application
    Filed: May 27, 2004
    Publication date: January 13, 2005
    Applicant: Marquardt GmbH
    Inventors: Klaus Fahrlander, Dierk Tille, Heinrich Muller, Florian Kampf
  • Publication number: 20040262140
    Abstract: The invention relates to an electric switch, in particular for a high load, such as a power switch. The switch has a contact system comprising a movable switching contact and at least one stationary contact. A movable actuation member, when moved, interacts with the switching contact for the purpose of switching the contact system. If appropriate, the switch may also have a movable locking means, which interacts with the actuation member in an interlocking manner. The actuation member is in operative connection with a lever in such a way that, when there is movement of the actuation member, the lever carries out a pivoting movement. The pivoting movement of the lever moves the switching contact for the purpose of switching and/or the locking means for the purpose of interlocking, in particular with increasing transformation of the displacement covered by the actuation member.
    Type: Application
    Filed: April 30, 2004
    Publication date: December 30, 2004
    Applicant: Marquardt GmbH
    Inventors: Ralph Wolber, Rainer Kizele, Heinrich Muller, Thomas Mejerl
  • Publication number: 20040232907
    Abstract: The invention relates to a path and/or position measuring device (1) comprising a magnet (2) and a sensor (3) detecting the magnetic field intensity. The magnet (2) and/or the sensor (3) co-operate with a movable element (4), it being possible for a relative movement between the sensor (3) and the magnet (2) to be brought about by means of the movable element (4). Furthermore, the magnet (2) is formed in such a way that the magnetic field intensity varies along an axis (5) of the magnet (2) and is not constant. The relative movement is substantially in the direction of this axis (5) of the magnet (2). The path and/or the position of the movable element (4) can be determined on the basis of the magnetic field intensity detected by the sensor (3).
    Type: Application
    Filed: March 25, 2004
    Publication date: November 25, 2004
    Applicant: Marquardt GmbH
    Inventors: Klaus Fahrlander, Dierk Tille
  • Patent number: 6727450
    Abstract: An electrical switch is provided having at least one contact system having a switching contact movable between two switch positions, an operating member that acts on the switching contact, a slide hinged on the operating member, and delay means operatively connected to the switching contact in at least one of the two switch positions. The delay means delaying movement of the switching contact, and being arranged in an extension of the slide. The delay means, the operating member and the slide are arranged on a same side of the contact system.
    Type: Grant
    Filed: July 22, 2002
    Date of Patent: April 27, 2004
    Assignee: Marquardt GmbH
    Inventors: Alois Schaeffeler, Alfons Steidle, Paul Leibinger
  • Patent number: 6635972
    Abstract: The invention relates to an electrical switch, in particular for a motor vehicle. The switch has a housing in which a contact system is located. Electrical connections which are located on the housing lead to the contact system, of which electrical connections first electrical connections are used to apply a power voltage for a high power current, and second electrical connections are used to apply a signal voltage for a low signal current. Optionally and if required, one connection can carry the power current via the first electrical connections and/or the signal current via the second electrical connections. Electrical switches designed in such a way are particularly suitable for arrangement in a control panel for a motor vehicle.
    Type: Grant
    Filed: April 20, 2000
    Date of Patent: October 21, 2003
    Assignee: Marquardt GmbH
    Inventors: Klaus Barthel, Reinhold Hafen, Karl Mueller