Patents by Inventor Manfred Weiffen

Manfred Weiffen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method and device for operating an asynchronous machine, and an asynchronous machine
    Patent number: 9641116
    Abstract: The invention relates to a method for operating an asynchronous machine (1) comprising a rotor (3) and a stator (2), in which a torque of the asynchronous machine (1) is adjusted by specifying a desired magnetic flux of a surrounding magnetic field of the stator (2) and specifying a desired slip between a rotational speed of the rotor (3) and the rotational speed of the surrounding magnetic field. According to the invention, at least in the load condition and when a rotary frequency of the surrounding magnetic field of the stator is equal to zero, the desired magnetic flux and/or the desired slip with constant torque is changed in such a way that an actual rotary frequency of the surrounding magnetic field is not equal to zero.
    Type: Grant
    Filed: June 4, 2014
    Date of Patent: May 2, 2017
    Assignee: Robert Bosch GmbH
    Inventor: Manfred Weiffen
  • METHOD AND DEVICE FOR OPERATING AN ASYNCHRONOUS MACHINE, AND AN ASYNCHRONOUS MACHINE
    Publication number: 20160156298
    Abstract: The invention relates to a method for operating an asynchronous machine (1) comprising a rotor (3) and a stator (2), in which a torque of the asynchronous machine (1) is adjusted by specifying a desired magnetic flux of a surrounding magnetic field of the stator (2) and specifying a desired slip between a rotational speed of the rotor (3) and the rotational speed of the surrounding magnetic field. According to the invention, at least in the load condition and when a rotary frequency of the surrounding magnetic field of the stator is equal to zero, the desired magnetic flux and/or the desired slip with constant torque is changed in such a way that an actual rotary frequency of the surrounding magnetic field is not equal to zero.
    Type: Application
    Filed: June 4, 2014
    Publication date: June 2, 2016
    Inventor: Manfred Weiffen
  • Method and device for controlling the drive unit of a vehicle
    Patent number: 7093587
    Abstract: A method and a device for controlling the drive unit of a vehicle make possible an effective kinesthetic signaling of an event. Based on a detection of the event, an output variable of the drive unit is changed in a stepwise manner, as a function of whether the vehicle is in an overrun state or an acceleration state.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: August 22, 2006
    Assignee: Robert Bosch GMBH
    Inventors: Michael Glora, Manfred Weiffen
  • Method and device for controlling the drive unit of a vehicle
    Publication number: 20050016497
    Abstract: A method and a device for controlling the drive unit of a vehicle make possible an effective kinesthetic signaling of an event. Based on a detection of the event, an output variable of the drive unit is changed in a stepwise manner, as a function of whether the vehicle is in an overrun state or an acceleration state.
    Type: Application
    Filed: June 9, 2004
    Publication date: January 27, 2005
    Inventors: Michael Glora, Manfred Weiffen