Patents by Inventor Frank Sager

Frank Sager 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: 7992459
    Abstract: In a shifting claw transmission for a motor vehicle including a main shaft and a countershaft and an electric motor for rotating the countershaft or being rotated thereby with freely rotatable gear wheels supported on the counter shaft and engageable with the countershaft by claw engagement structures, the speed of the countershaft is adjustable by the electric motor to be close to, but somewhat different from, the speed of the freely rotatable gear wheels to be engaged in order to facilitate shifting but avoid a tooth-on-tooth problem which would inhibit shifting.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: August 9, 2011
    Assignee: Daimler AG
    Inventors: Karl-Ludwig Krieger, Frank Sager
  • Patent number: 7992458
    Abstract: In a motor vehicle, in particular a utility vehicle, having a shifting claw transmission and an electric motor connected to a countershaft of the transmission to facilitate central synchronization for gear speed changes, a transmission controller is connected to the electric motor for sensing the electric motor speed and, together therewith the rotational speed of the countershaft based on the induction values present in at the electric motor and sensed by the transmission controller for use in adjusting the energization of the electric motor.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: August 9, 2011
    Assignee: Daimler AG
    Inventors: Karl-Ludwig Krieger, Frank Sager
  • Publication number: 20090107270
    Abstract: In a motor vehicle, in particular a utility vehicle, having a shifting claw transmission and an electric motor connected to a countershaft of the transmission to facilitate central synchronization for gear speed changes, a transmission controller is connected to the electric motor for sensing the electric motor speed and, together therewith the rotational speed of the countershaft based on the induction values present in at the electric motor and sensed by the transmission controller for use in adjusting the energization of the electric motor.
    Type: Application
    Filed: March 13, 2008
    Publication date: April 30, 2009
    Inventors: Karl-Ludwig Krieger, Frank Sager
  • Publication number: 20080314176
    Abstract: In a shifting claw transmission for a motor vehicle including a main shaft and a countershaft and an electric motor for rotating the countershaft or being rotated thereby with freely rotatable gear wheels supported on the counter shaft and engageable with the countershaft by claw engagement structures, the speed of the countershaft is adjustable by the electric motor to be close to, but somewhat different from, the speed of the freely rotatable gear wheels to be engaged in order to facilitate shifting but avoid a tooth-on-tooth problem which would inhibit shifting.
    Type: Application
    Filed: March 13, 2008
    Publication date: December 25, 2008
    Inventors: Karl-Ludwig Krieger, Frank Sager
  • Publication number: 20060184654
    Abstract: Described herein are one or more implementations facilitating the extensibility of a tool for configuration and management of server-functionality role(s) of a network server. One or more implementations, described herein, provide an extensibility model that allows additional server-functionality roles to be included in the list of user-selectable server-functionality roles available on a server. When selected by user, the model enables management and configuration of the additional server-functionality roles.
    Type: Application
    Filed: February 11, 2005
    Publication date: August 17, 2006
    Applicant: Microsoft Corporation
    Inventors: Eduardo Melo, Edward French, Saif Hasan, Bryan Walton, Cheryl Evans, Frank Sager
  • Patent number: 6196644
    Abstract: The method of controlling a motor vehicle braking system to prevent wheel slip or skidding includes generating wheel speed signals indicative of wheel speeds of each of at least two wheels; determining the wheel speeds from each wheel speed signal; determining a vehicle reference speed from one of the wheel speeds; determining whether or not the vehicle reference speed is within a predetermined speed range of 47 to 63 Hz, during which interference signals from a vehicle power source at about a mains frequency are generated that produce false wheel speed signals and controlling the motor vehicle braking system according to a special ABS control method when the vehicle reference speed is within the predetermined speed range. In the special ABS control method the interference signals are accounted for so that improper activation of or influence on the braking system due to the interference signals is prevented.
    Type: Grant
    Filed: January 30, 1997
    Date of Patent: March 6, 2001
    Assignee: Robert Bosch GmbH
    Inventor: Frank Sager
  • Patent number: 5890778
    Abstract: A simple, economical brake system for small front-wheel-drive vehicles. The brake system has a hydraulic service brake system for the front axle wheels and an electric service brake system for the rear axle wheels. The hydraulic service brake system has a pedal-actuated master cylinder, from which brake lines lead to hydraulic wheel brakes. There is one shutoff valve in each of the brake lines, and each shutoff valve is bypassed by a line to a pump that pumps pressure fluid from the corresponding wheel brake to the master cylinder. The shutoff valves and the pumps, together with an electronic control unit and sensors that monitor the wheel rotation performance form an anti-lock arrangement for the hydraulic service brake system of the front axle of the vehicle.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: April 6, 1999
    Assignee: Robert Bosch GmbH
    Inventor: Frank Sager
  • Patent number: 5760682
    Abstract: Wheel speed values for each of four wheels are collected and analyzed for a statistical variation which would indicate low tire pressure. Prior to analysis, and following reset of the system, calibration factors are determined for each of the wheels to compensate rolling radius variations, and subsequently used to correct all wheel speed values. The corrected speed values are then filtered to exclude values which represent wheel slippage, rough road fluctuations, vehicle cornering, and uphill or downhill travel. When a sufficient number of values have been collected, an F-value is calculated substantially according to the statistical method "analysis of the variance", and the F-value is compared to an empirically determined value corresponding to a predetermined pressure loss. This comparison can provide the basis for a driver warning. Since a larger F-value indicates a larger statistical difference in wheel speeds, the value can be rechecked after a further interval for additional pressure loss.
    Type: Grant
    Filed: March 7, 1997
    Date of Patent: June 2, 1998
    Assignee: Robert Bosch GmbH
    Inventors: John Yong Liu, Frank Sager
  • Patent number: 5727855
    Abstract: An anti-locking control system is described in which the by electrical interference in the range of the mains frequency of conventional power supplies are detected and eliminated. To that end, in the range of critical speeds, a new reference vehicle speed is formed from the ascertained vehicle speed only if the time intervals between the arriving signal edges of the various rpm sensors are not in the range of the mains frequency.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: March 17, 1998
    Assignee: Robert Bosch GmbH
    Inventors: Heinz-Jurgen Koch-Ducker, Peter Dominke, Martin Pfau, Frank Sager
  • Patent number: 5482363
    Abstract: In order to avoid faults as a result of different diameters of tires, under prescribed conditions a correction of one wheel speed with respect to the other on each side of the vehicle is performed. The conditions are based on a comparison of the throttle valve angle to the zero torque angle, and a comparison of the speed of the driven wheel to the speed of the non-driven wheel.
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: January 9, 1996
    Assignee: Robert Bosch GmbH
    Inventors: Bernd Grossardt, Frank Sager