Patents by Inventor August Kammerl

August Kammerl 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).

  • Patent number: 5749060
    Abstract: A control configuration for a motor vehicle includes an engine control and a transmission control which are connected to one another through a communication channel. A transmission is shifted by using electrohydraulic pressure control valves for actuating friction elements in the transmission. The transmission control is mounted at a transmission housing. Solenoids of the electrohydraulic pressure control valves are integrated into the transmission control. Sensor signals which are to be evaluated by the transmission control are transmitted by sensors to the transmission control wirelessly.
    Type: Grant
    Filed: April 11, 1996
    Date of Patent: May 5, 1998
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, Kai Storjohann, Michael Ulm, Ralf-Johannes Lenninger, August Kammerl
  • Patent number: 5662007
    Abstract: A control system includes a casing being partially filled with oil and in which an electrical, mechanical and/or hydraulic control device is disposed. An electronic control system is functionally associated with the control device. In order to keep electrical lines from the electronic control system to the control device as short as possible, the electronic control system is located inside the casing and is partially surrounded by oil. A printed circuit board and components of the electronic control system are sealed with a protective layer.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: September 2, 1997
    Assignee: Siemens Aktiengesellschaft
    Inventors: Klaus Starker, August Kammerl
  • Patent number: 5436834
    Abstract: In a transmission control for a motor vehicle, the load acting on the motor vehicle, the engine rpm and the engine torque are taken into consideration when determining a point for shifting gears. A circuit determines if the engine torque lies above a first threshold value characterizing a traction operation of a motor vehicle, as a first condition; if an amount of acceleration lies below a second threshold value characterizing unaccelerated drive, as a second condition; and if the engine torque lies above a torque characterizing a movement resistance on a level surface plus a third threshold value, as a third condition. A signal is generated when the first, second and third conditions have been met for displacing the point for shifting gears in a direction of increased output rpm.
    Type: Grant
    Filed: November 2, 1993
    Date of Patent: July 25, 1995
    Assignee: Siemens Aktiengesellschaft
    Inventors: Friedrich Graf, August Kammerl
  • Patent number: 5335568
    Abstract: A motor vehicle drive has an engine and an automatic transmission. A control for the motor vehicle drive includes an engine control for controlling a variable influencing torque of the engine and a transmission control for controlling shifting events of the transmission and for transmitting an intervention signal initiating a shifting event to the engine control.
    Type: Grant
    Filed: August 28, 1992
    Date of Patent: August 9, 1994
    Assignee: Siemens Aktiengesellschaft
    Inventors: August Kammerl, Friedrich Graf
  • Patent number: 5115148
    Abstract: Interface between two electrical circuits operated from different operating voltages, whereby an input level of the receiving circuit is proportional to the fluctuating operating voltage of the transmitting circuit. An output signal of the transmitting circuit is compared to the input level in a means for comparing that is formed with a transistor. Depending on the connection of the output signal and the input level to the transistor, an inverting or non-inverting interface circuit can be structured with few, economical component parts having small space requirements.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: May 19, 1992
    Assignee: Siemens Aktiengesellschaft
    Inventors: August Kammerl, Ernst Niedermeier