Patents by Inventor Christian Schaefer

Christian Schaefer 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).

  • Publication number: 20210129819
    Abstract: A control apparatus/method for operating an electromechanical brake booster of a vehicle braking system, including: applying control to an electromechanical brake booster motor in consideration at least of a braking definition signal regarding a braking input of a driver and/or automatic speed control system of the vehicle (ACC); specifying, in consideration at least of the braking definition signal, a target motor force of the electromechanical brake booster motor or a target brake application force of the electromechanical brake booster into a brake master cylinder, downstream from the electromechanical brake booster, of the braking system; and applying control to the electromechanical brake booster motor in consideration of a force difference between the specified target motor force and an estimated/measured actual motor force of the motor, or between the specified target brake application force and an estimated/measured actual brake application force of the electromechanical brake booster into the downstr
    Type: Application
    Filed: November 30, 2017
    Publication date: May 6, 2021
    Inventors: Herbert Vollert, Christian Binder, Manfred Gerdes, Oliver Fuchs, Patrick Christian Schaefer
  • Publication number: 20210122310
    Abstract: Electrified vehicle electrical systems and formatting methods include arranging a first layer including one or more first electrical transmission lines each configured to carry electrical power at a first voltage to one or more electrical powertrain components of the electrified vehicle, arranging a second layer above at least a portion of the first electrical connection layer, wherein the second layer includes one or more second electrical transmission lines each configured to carry electrical power at a second voltage to one or more electrical power distribution components of the electrified vehicle, and arranging a third layer above at least a portion of the first and second layers, wherein the third layer includes one or more third electrical transmission lines each configured to carry electrical power at a third voltage to one or more input/output device components of the electrified vehicle.
    Type: Application
    Filed: October 16, 2020
    Publication date: April 29, 2021
    Applicant: Aptiv Technologies Limited
    Inventors: David R. Peterson, Joseph Sudik, Jr., Jared Bilas, Kurt P. Seifert, David G. Siegfried, Lee Bauer, Christian Schaefer, Magnus Svensson, Martin Bornemann
  • Publication number: 20210031740
    Abstract: System (195) and method (300) for providing an extra torque from a motor (110) to a brake pedal (115). The system comprises a brake pedal (115) having an input rod; a motor (110); a sensor (125); and an electronic controller (130) configured to receive a velocity of the input rod of the brake pedal (115) from the sensor (125), determine a torque ratio based on the velocity, determine a differential stroke of the brake pedal (115), determine a torque offset based on the differential stroke, determine an extra torque based on the torque ratio and the torque offset, and control the motor (110) to apply the extra torque to the brake pedal (115).
    Type: Application
    Filed: January 22, 2019
    Publication date: February 4, 2021
    Inventors: Patrick Christian Schaefer, James Zhu, Hind Harkati, Benoit Herve, Karsten Bieltz
  • Patent number: 10740478
    Abstract: A method of performing an operation on a data storage for storing data being encrypted with a key KD associated with an owner of the data is provided. The method includes deriving, for each authorized client Cj, a first key KCj and a second key KTj, providing the client Cj with the first key KCj, and providing a Trusted Third Party (TTP) with the second key KTj. The method further includes, at a Policy Enforcement Point, receiving a request for performing the operation on the data storage from a client Ck of the authorized clients, acquiring a first key KCk from the client Ck, acquiring a second key KTk from the TTP, deriving the key KD from the first key KCk and the second key KTk, and performing the operation on the data storage using the derived key KD. The disclosed trust model uses two-part secret sharing.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: August 11, 2020
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Mats Näslund, Christian Schaefer
  • Patent number: 10678276
    Abstract: A valve device for controlling a fluid flow includes a flow control valve (15) having a valve housing (19) with a supply connection (9) and a user connection (11). A valve piston (17) is guided inside the valve housing (19) longitudinally moveable and controls the passage to the user connection (11) by a thermocouple (61) via an orifice (37, 39) depending on the temperature of the fluid flow. A pressure compensator (21) is connected to the supply connection (9) and keeps the pressure drop across the orifice (37, 39) constant.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: June 9, 2020
    Assignee: HYDAC FLUIDTECHNIK GMBH
    Inventors: Harald Baer, Josef Christian Schaefer, Ferdinand Friebe, Philipp Gandner, Maximilian Gehring, Philipp Linnebach
  • Patent number: 10661765
    Abstract: A control device for a controllable brake booster of a braking system is configured to: establish a setpoint variable regarding a setpoint operation to be carried out with the aid of the controllable brake booster, under consideration of a provided specified variable regarding a setpoint pressure to be set in a partial volume of the braking system; establish a setpoint difference of the setpoint variable, under consideration of the specified variable and an actual variable regarding an actual pressure present in a subarea of the braking system, to establish a corrected setpoint variable taking the established setpoint difference into consideration; and output a control signal which corresponds to the established corrected setpoint variable to the controllable brake booster and/or to the power supply component of the controllable brake booster.
    Type: Grant
    Filed: July 21, 2014
    Date of Patent: May 26, 2020
    Assignee: Robert Bosch GmbH
    Inventors: Michael Butz, Manfred Gerdes, Patrick Christian Schaefer
  • Publication number: 20200093999
    Abstract: A medical instrument with an aerosol outlet, which is fluidically connected—via an aerosol line—to a generation device. The generation device is adapted to generate aerosol for dispensing by means of the medical instrument. In addition, a generation device is stated, which, in embodiments of the generation device, for example can be used in a device with the instrument according to the invention. The generation device comprises a mixing unit for mixing a liquid and a gas together, which mixing unit is connected to a liquid container for supplying the mixing unit with a liquid, in which case the generation device is adapted to utilize the gas pressure of a gas under pressure subjecting the liquid to a pressure in order to press the liquid out of the liquid container to the mixing unit.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 26, 2020
    Inventors: Alexander Neagos, Markus Enderle, Christian Schaefer
  • Patent number: 10463061
    Abstract: The present invention relates to compositions containing (fat-soluble) active ingredients and/or colorants in a matrix based on modified plant gums, i.e. plant gums that have been submitted to hydrolysis to degrade either the protein portion and/or where appropriate, the polysaccharide, and to a process for preparing these compositions as well as to modified plant gums, whose protein part is hydrolyzed up to a degree of about 30%, preferably to a degree of from about 0.05 to about 30%, and/or whose polysaccharide part is hydrolyzed up to a degree of about 50%, a process for the manufacture thereof and such modified plant gums themselves. The present invention further relates to the use of the compositions of this invention for the enrichment, fortification and/or for the coloration of food, beverages, animal feed, cosmetics and pharmaceutical compositions and to such food, beverages, animal feed, cosmetics and pharmaceutical compositions themselves.
    Type: Grant
    Filed: November 18, 2005
    Date of Patent: November 5, 2019
    Assignee: DSM IP ASSETS B.V.
    Inventors: Markus Beck, Bruno H. Leuenberger, Christina Rebernig-Staiger, Christian Schaefer, Gerhard Wagner
  • Publication number: 20190193699
    Abstract: A control device and a method for operating an electromechanical brake booster of a brake system configured to execute anti-lock control actions, including the steps: determining a setpoint variable regarding a setpoint brake pressure to be produced by the electromechanical brake booster, in view of at least a differential travel; and controlling the electromechanical brake booster in view of the determined setpoint variable; at least during an anti-lock control action carried out in the brake system, it being ascertained if the differential travel lies outside of a specified normal value range, and in some instances, the additional steps being executed: determining a correction variable for the setpoint variable in view of at least a difference between the determined setpoint variable and an actual variable regarding an actual pressure present in at least part of the volume of the brake system, and controlling the electromechanical brake booster in additional view of the determined correction variable.
    Type: Application
    Filed: June 8, 2017
    Publication date: June 27, 2019
    Inventors: Manfred Gerdes, Patrick Christian Schaefer
  • Patent number: 10308231
    Abstract: A method for controlling a brake booster in a hydraulic brake system, in which the smallest partial pressure target value of at least three partial pressure target values is ascertained, and is then defined as the target pressure value and is then set using a brake booster.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: June 4, 2019
    Assignee: ROBERT BOSCH GMBH
    Inventors: Michael Butz, Manfred Gerdes, Patrick Christian Schaefer, Herbert Vollert
  • Publication number: 20190098924
    Abstract: The present invention is directed towards a solid formulation comprising a milled carotenoid, at least one hydrocolloid, a glucose syrup, sucrose and at least one water-soluble antioxidant (preferably sodium ascorbate), wherein the carotenoid is selected from the group consisting of lutein and zeaxanthin and any mixture thereof, wherein the hydrocolloid is selected from the group consisting of modified food starches and any mixtures thereof, and wherein the milled carotenoid has the following particle size distribution: D [3, 2] in the range of from 0.6 to 1.5 ?m and D [v, 0.5] in the range of from 1.1 to 3.5 ?m, all D values as measured by laser diffraction (Malvern Instruments Ltd, Malvern, UK, Mastersizer 3000) according to the Fraunhofer scattering model. This solid formulation is in form of granules which are used for dietary supplements and pharmaceuticals, such as e.g. multi-vitamin and/or multi-mineral tablets. Surprisingly these tablets show a low compression loss.
    Type: Application
    Filed: April 3, 2017
    Publication date: April 4, 2019
    Inventors: Antonio ESTRELLA, Elger FUNDA, Zdravka MISIC, Christian SCHAEFER, Markus Ivo BECK, Bernd SCHLEGEL, Kai URBAN
  • Publication number: 20190090517
    Abstract: The present invention is directed towards the use of granules in beverages, wherein the granules comprise (i) a milled carotenoid selected from the group consisting of lutein and zeaxanthin and any mixture thereof having the following particle size distribution: D [3,2] in the range of from 0.6 to 1.5 ?m, and D [v, 0.5] in the range of from 1.1 to 3.5 ?m, and (ii) a matrix comprising at least one modified food starch, a glucose syrup and sucrose, (iii) a water-soluble antioxidant, wherein the granules have the following particle size distribution: D [3,2] in the range of from 200 to 300 ?m, and D [v, 0.5] in the range of from 220 to 320 ?m, all D values as measured by laser diffraction according to the Fraunhofer scattering model, whereby the milled carotenoid is encapsulated by the matrix. The present invention is also directed towards the beverages and the granules as such, as well as to a process for the manufacture of the granules. Preferably the carotenoid is lutein, zeaxanthin or any mixture thereof.
    Type: Application
    Filed: April 3, 2017
    Publication date: March 28, 2019
    Applicant: DSM IP Assets B.V.
    Inventors: Markus BECK, Antonio ESTRELLA, Elger FUNDA, Andrea HITZFELD, Christian SCHAEFER, Bernd SCHLEGEL, Kai URBAN
  • Patent number: 10224785
    Abstract: A cooling system for a dynamoelectric machine comprising a cooling jacket for assembly on an outer circumference of a stator of the dynamoelectric machine, a housing for receiving the stator having the mounted cooling jacket such that a hollow chamber, which can be filled with a liquid cooling medium, remains between an outer wall of the cooling jacket and an inner wall of the housing, wherein an inlet opening for inlet of the cooling medium into an inlet region and an outlet opening for outlet of the cooling medium from an outlet region of the hollow chamber are arranged on the housing and a barrier element connected to the cooling jacket for spatial separation of the inlet region from the outlet region is provided. The efficiency of such a cooling system is improved in that the barrier element presses against the inner wall of the housing having increasing pressure difference of the cooling medium in the inlet and outlet region.
    Type: Grant
    Filed: June 12, 2014
    Date of Patent: March 5, 2019
    Assignee: Schaeffler Technologies AG & Co. KG
    Inventors: Johannes Weis, Christian Schaefer, Stefan Mackowiak, Sebastian Heitz
  • Patent number: 10103965
    Abstract: A measuring unit for measuring transmission parameters of a device under test, comprising a control unit, a transmitter and receiver unit and an evaluation unit. The transmitter and receiver unit is connected via a first connection to the control unit and via at least one transmission channel to the device under test. The device under test is connected via a second connection to the evaluation unit, wherein, for the measurement of the transmission parameters of the device under test, control-data packets and test-data packets are transmitted separately between the control unit and the evaluation unit, and wherein a transmission channel for the test-data packets can be disturbed in a targeted manner.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: October 16, 2018
    Assignee: Rohde & Schwarz GmbH & Co. KG
    Inventors: Heinz Mellein, Christian Schaefer
  • Patent number: 10077037
    Abstract: A hydraulic control device for at least one hydraulic aggregate of a brake system, and a brake booster control device, interacting therewith, for an electromechanical brake booster of the brake system. The hydraulic control device includes a first control electronics by which at least one motor target quantity that is to be realized by a motor of the electromechanical brake booster can be determined, taking into account a provided brake actuating strength quantity relating to a current actuation of a brake actuating element, and by which a specification signal corresponding to the at least one determined motor target quantity can be outputted to the brake booster control device. The brake booster control device has a second control electronics that, at least in a normal mode, outputs the control signal to the motor of the electromechanical brake booster, taking into account the specification signal outputted by the hydraulic control device.
    Type: Grant
    Filed: April 7, 2015
    Date of Patent: September 18, 2018
    Assignee: ROBERT BOSCH GMBH
    Inventors: Bertram Foitzik, Patrick Christian Schaefer
  • Publication number: 20180135771
    Abstract: Valve device. 2. Valve device for controlling a fluid flow, consisting of a flow control valve (15), which comprises a valve housing (19) with at least one supply connection (9) and one user connection (11) as well as a valve piston (17) that is guided inside the valve housing (19) longitudinally moveable and which controls the passage to the user connection (11) by means of a thermocouple (61) via an orifice (37, 39) depending on the temperature of the fluid flow, and a pressure compensator (21), connected to the supply connection (9), keeps the respective pressure drop across the orifice (37, 39) constant.
    Type: Application
    Filed: November 16, 2016
    Publication date: May 17, 2018
    Inventors: Harald BAER, Josef Christian SCHAEFER, Ferdinand FRIEBE, Philipp GANDNER, Maximilian GEHRING, Philipp LINNEBACH
  • Patent number: 9935419
    Abstract: In an optical fiber device having a configuration in which an optical fiber is joined to a side surface of another optical fiber, a joint portion is suppressed from reaching a high temperature. The optical fiber device includes a first fluoride fiber, a second fluoride fiber, and a heat dissipation member. The first fluoride fiber guides light. The second fluoride fiber has a first end on or from which light is incident or output and a second end at which an end surface of the second fluoride fiber is obliquely joined to a side surface of the first fluoride fiber.
    Type: Grant
    Filed: July 24, 2015
    Date of Patent: April 3, 2018
    Assignees: MITSUBOSHI DIAMOND INDUSTRIAL CO., LTD., OSAKA UNIVERSITY
    Inventors: Masanao Murakami, Christian Schaefer, Satoshi Hattori, Takahisa Hayashi, Seiji Shimizu, Shigeki Tokita
  • Patent number: 9923328
    Abstract: A cooling device that enables the tip position of optical fiber to be adjusted and is able to efficiently cool an entirely of the optical fiber. This cooling device is provided with a cooling base plate, a fiber holder and an adjustment member. The cooling base plate has a recessed accommodating part. The fiber holder is disposed in the recessed accommodating part so as to be freely movable in a first direction. The adjustment member is disposed in a gap between the fiber holder and an end face of the recessed accommodating part and is movable in the first direction by moving in a second direction that intersects the first direction. The adjustment member abuts against both the end face of the recessed accommodating part and an end face of the fiber holder.
    Type: Grant
    Filed: July 15, 2015
    Date of Patent: March 20, 2018
    Assignee: Mitsuboshi Diamond Industrial Co., LTD.
    Inventors: Masanao Murakami, Christian Schaefer
  • Patent number: 9902692
    Abstract: The present invention relates to an improved process for isolating a carotenoid from a carotenoid-producing bioorganism, as well as to a formulation comprising such a carotenoid, and the use of such a solid formulation in feed products (or pre-mixes).
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: February 27, 2018
    Assignee: DSM IP Assets B.V.
    Inventors: James Treganowan, Carlos Santos, Julia Kessler, Daniel Grenfell-Lee, Claudia Toniato, Christian Schaefer
  • Publication number: 20170329982
    Abstract: A method of performing an operation on a data storage for storing data being encrypted with a key KD associated with an owner of the data is provided. The method includes deriving, for each authorized client Cj, a first key KCj and a second key KTj, providing the client Cj with the first key KCj, and providing a Trusted Third Party (TTP) with the second key KTj. The method further includes, at a Policy Enforcement Point, receiving a request for performing the operation on the data storage from a client Ck of the authorized clients, acquiring a first key KCk from the client Ck, acquiring a second key KTk from the TTP, deriving the key KD from the first key KCk and the second key KTk, and performing the operation on the data storage using the derived key KD. The disclosed trust model uses two-part secret sharing.
    Type: Application
    Filed: July 31, 2017
    Publication date: November 16, 2017
    Inventors: Mats NÄSLUND, Christian SCHAEFER