Patents by Inventor Achim Brenk
Achim Brenk 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).
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Publication number: 20190339397Abstract: A method for operating a GNSS receiver includes starting a search for GNSS satellites. The search is terminated in response to a first termination condition being met after a first searching time. The search is terminated in response to a second termination condition, different from the first termination condition, being met after a second searching time that is longer than the first searching time.Type: ApplicationFiled: May 2, 2019Publication date: November 7, 2019Inventors: Achim Brenk, Joachim Schurr, Kai Wipplinger, Michael Heigl
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Patent number: 10006312Abstract: A method for operating a line circuit (4) for waste heat utilization of an internal combustion engine (2), and a control unit (1). A feed pump (6), at least one heat exchanger (8), an expansion machine (10), a condenser (12) and a control unit (1) are situated in the line circuit (4). The control unit (1) calculates a time period which is required until individual components or all the components of the line circuit (4) have reached a predefined temperature, in order to start up the line circuit (4) at least partially.Type: GrantFiled: October 12, 2012Date of Patent: June 26, 2018Assignee: Robert Bosch GmbHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Patent number: 9163530Abstract: The invention relates to a method for operating a steam cycle process for using the heat of an internal combustion engine (2), comprising a conduction circuit (4) in which a working medium circulates. Said conduction circuit (4) comprises at least one pump (6, 13), at least one heat exchanger (8), an expansion machine (10), a feedwater tank (14) for storing the liquid working medium, and a condenser (12). Components of the conduction circuit (4) are frost-proofed by partially evacuating the liquid working medium. After the end of the circulation of the working medium, at least one of the pumps (6, 13) continues to operate in order to evacuate the working medium at least from the pump (6, 13) which continues to operate.Type: GrantFiled: February 24, 2012Date of Patent: October 20, 2015Assignee: Robert Bosch GmbHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Patent number: 9080658Abstract: An electromagnetic clutch (4) which serves for connecting a steam engine (2) to a combustion engine (3), wherein a first shaft (8) which can be driven by the steam engine (2) and a second shaft (9) which can be driven by the internal combustion engine (3) are provided, wherein an intermediate gear (23) which is connected to the first shaft (8) and a clutch bell (26) which is at least indirectly connected to the second shaft (9) are provided, wherein a freewheel (27) is provided between the intermediate gear (23) and the clutch bell (26).Type: GrantFiled: June 8, 2011Date of Patent: July 14, 2015Assignee: Robert Bosch GmbHInventors: Nadja Eisenmenger, Achim Brenk, Hans-Christoph Magel, Andreas Wengert
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Patent number: 8991180Abstract: The invention relates to a device and a method for the recovery of waste heat from an internal combustion engine (2), according to which a feed pump (6), a heat exchanger (8), an expansion engine (10) and a capacitor (12) are arranged in a circuit (4) containing a circulating working medium. A bypass connection (14) is mounted in parallel to the expansion engine (10), in the circuit (4), the expansion engine (10) being coupled to the circuit (4), or decoupled therefrom, according to an operating situation of the internal combustion engine (2).Type: GrantFiled: September 7, 2011Date of Patent: March 31, 2015Assignee: Robert Bosch GmbHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20140150426Abstract: The invention relates to a method and a device for using the waste heat of an internal combustion engine (2) comprising a thermodynamic working circuit (4) in which a working medium circulates. A pump (6), at least one heat exchanger (8) at least one expansion machine (10) and at least one capacitor (12) are arranged in the direction of flow of the working medium. The mechanical energy generated by the expansion machine (10) is selectively transferred to a drive train (23) and/or at least one other component (25) which can be driven mechanically.Type: ApplicationFiled: April 20, 2012Publication date: June 5, 2014Applicant: ROBERT BOSCH GMBHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Hans-Christoph Magel, Andreas Wengert, Dieter Seher, Michael Krueger
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Publication number: 20140075942Abstract: The invention relates to a method for operating a steam cycle process for using the heat of an internal combustion engine (2), comprising a conduction circuit (4) in which a working medium circulates. Said conduction circuit (4) comprises at least one pump (6, 13), at least one heat exchanger (8), an expansion machine (10), a feedwater tank (14) for storing the liquid working medium, and a condenser (12). Components of the conduction circuit (4) are frost-proofed by partially evacuating the liquid working medium. After the end of the circulation of the working medium, at least one of the pumps (6, 13) continues to operate in order to evacuate the working medium at least from the pump (6, 13) which continues to operate.Type: ApplicationFiled: February 24, 2012Publication date: March 20, 2014Applicant: ROBERT BOSCH GMBHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20140075934Abstract: A line circuit (4) and a method for operating a line circuit (4) for waste-heat utilization of an internal combustion engine (2) are proposed. A working medium circulates in the line circuit (4). The line circuit (4) contains a feed pump (6), at least one heat exchanger (8), an expansion machine (10), a feed-water container (14), in order to store the liquid working medium, and a condenser (12), wherein the feed-water container (14) is connected to the feed pump (6) by way of a line (29). The feed pump (6) has a return-flow line (30), via which liquid working medium can be discharged from the feed pump (6).Type: ApplicationFiled: April 27, 2012Publication date: March 20, 2014Applicant: ROBERT BOSCH GMBHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20130283790Abstract: The invention relates to a device and a method for the recovery of waste heat from an internal combustion engine (2), according to which a feed pump (6), a heat exchanger (8), an expansion engine (10) and a capacitor (12) are arranged in a circuit (4) containing a circulating working medium. A bypass connection (14) is mounted in parallel to the expansion engine (10), in the circuit (4), the expansion engine (10) being coupled to the circuit (4), or decoupled therefrom, according to an operating situation of the internal combustion engine (2).Type: ApplicationFiled: September 7, 2011Publication date: October 31, 2013Applicant: ROBERT BOSCH GMBHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20130192225Abstract: The invention relates to a device and a method for the recovery of waste heat from an internal combustion engine (2). A feed pump (6), a heat exchanger (8), an expansion engine (10) and a capacitor (12) are arranged in a circuit (4) containing a circulating working medium. A steam accumulator (40) for storing the vaporous working medium is also arranged in the circuit (4).Type: ApplicationFiled: September 7, 2011Publication date: August 1, 2013Applicant: ROBERT BOSCH GMBHInventors: Gregory Rewers, Nadja Eisenmenger, Achim Brenk, Dieter Seher, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20130174693Abstract: The invention relates to an electromagnetic clutch (4) which is used to connect a steam engine (2) to a combustion engine (3) and which comprises a first shaft (8) that can be driven by the steam engine (2), and a second shaft (9) that can be driven by the combustion engine (3), an idler gear (23) being connected to the first shaft (8) and a clutch bell (26) being connected to the second shaft (9). A freewheel (27) is provided between the idler gear (23) and the clutch bell (26) and is used to transmit a rotational movement from the idler gear (23), which is connected to the first shaft (8), onto the clutch bell (26) and allows the clutch bell (26) to freewheel in relation to the idler gear (23). An electromagnetic actuation force can furthermore generate a frictional force between the idler gear (23) and the clutch bell (26) to carry along the steam engine (2).Type: ApplicationFiled: June 8, 2011Publication date: July 11, 2013Applicant: ROBERT BOSCH GMBHInventors: Nadja Eisenmenger, Achim Brenk, Hans-Christoph Magel, Andreas Wengert
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Publication number: 20130014504Abstract: The invention relates to a device (1) for converting waste heat of an internal combustion machine (2) into mechanical energy. The device comprises a piston machine (3) that converts the waste heat of the internal combustion machine (2) during an OCR process into mechanical energy which can be transmitted onto a shaft (7) driven by the internal combustion machine (2). Furthermore, a variable gear (6) is provided via which the piston machine (3) transmits the mechanical energy onto the shaft (7) of the internal combustion machine (2). The variable gear (6) translates an initial rotational speed of the piston machine (3) into a rotational speed of the shaft (7) driven by the internal combustion machine (2). In this way, the ORC process can be carried out in an optimal manner.Type: ApplicationFiled: December 6, 2010Publication date: January 17, 2013Applicant: ROBERT BOSCH GMBHInventors: Achim Brenk, Dieter Seher
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Patent number: 8136741Abstract: Disclosed is a fuel injection device comprising a housing and a valve element disposed therein and cooperating with a valve seat located in the area of at least one fuel discharge port. The valve element is composed of several parts while at least two parts of the valve element are coupled to each other via a hydraulic coupler.Type: GrantFiled: May 31, 2006Date of Patent: March 20, 2012Assignee: Robert Bosch GmbHInventors: Juergen Hanneke, Nadja Eisenmenger, Achim Brenk, Lorenz Zerle, Michael Mennicken, Helmut Clauss, Hans-Christoph Magel, Dirk Vahle, Andreas Kellner, Hrvoje Lalic, Joachim Boltz, Falko Bredow, Martin Katz
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Patent number: 7926736Abstract: An apparatus for injecting fuel into an internal combustion engine having a fuel injector acted on with highly pressurized fuel actuated by means of a metering valve device that is able to control the pressure in a pressure booster control chamber so that in a pressure booster pressure chamber delimited by a pressure booster piston which can be filled via a check valve with high-pressure fuel and communicates with an injection valve member pressure chamber, the pressure booster piston increases the pressure, causing an injection valve member for injecting fuel to open.Type: GrantFiled: October 19, 2005Date of Patent: April 19, 2011Assignee: Robert Bosch GmbHInventors: Achim Brenk, Hans-Christoph Magel, Volkmar Kern, Goran Kanis
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Publication number: 20080210787Abstract: Disclosed is a fuel injection device comprising a housing and a valve element disposed therein and cooperating with a valve seat located in the area of at least one fuel discharge port. The valve element is composed of several parts while at least two parts of the valve element are coupled to each other via a hydraulic coupler.Type: ApplicationFiled: May 31, 2006Publication date: September 4, 2008Inventors: Juergen Hanneke, Nadja Eisenmenger, Achim Brenk, Lorenz Zerle, Michael Mennicken, Helmut Clauss, Hans-Christoph Magel, Dirk Vahle, Andreas Kellner, Hrvoje Lalic, Joachim Boltz, Falko Bredow, Martin Katz
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Publication number: 20080121735Abstract: An apparatus for injecting fuel into an internal combustion engine having a fuel injector acted on with highly pressurized fuel actuated by means of a metering valve device that is able to control the pressure in a pressure booster control chamber so that in a pressure booster pressure chamber delimited by a pressure booster piston which can be filled via a check valve with high-pressure fuel and communicates with an injection valve member pressure chamber, the pressure booster piston increases the pressure, causing an injection valve member for injecting fuel to open.Type: ApplicationFiled: October 19, 2005Publication date: May 29, 2008Inventors: Achim Brenk, Hans-Christoph Magel, Volkmar Kern, Goran Kanis
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Patent number: 7198203Abstract: A fuel injector in injection systems for internal combustion engines having a valve body containing a control chamber that can be pressure-relieved and can be acted on with fuel via an inlet throttle and can be pressure-relieved via an outlet throttle. A first actuator can actuate a closing element. The valve body is connected to a holding body that has a nozzle body connected to it, which encompasses an injection valve element. In order to relieve the pressure in the control chamber, an additional, second outlet throttle is provided, whose closing element can be actuated either by an additional actuator or as a function of the power supply to a double-switching actuator.Type: GrantFiled: July 10, 2003Date of Patent: April 3, 2007Assignee: Robert Bosch GmbHInventors: Achim Brenk, Martin Kropp, Manfred Mack, Juergen Hammer, Reinhard Tampe, Heike Bastian
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Patent number: 7066400Abstract: A fuel injection system for internal combustion engines with a fuel injector that can be supplied from a high-pressure fuel source has an injection valve, with injection nozzles pointing toward the combustion chamber, and coaxial inner and outer nozzle needles assigned to the injection nozzles are triggerable as a function of pressure to open and close various injection cross sections at the injection nozzles. Each of the nozzle needless is assigned a respective damping piston, and the damping pistons are movable relative to one another and act on a damping chamber which can be made to communicate with a low-pressure return system via an outlet throttle. In addition to the damping chamber, a closing chamber is provided, to which an end face of the outer nozzle needle is exposed in the closing direction.Type: GrantFiled: March 2, 2005Date of Patent: June 27, 2006Assignee: Robert Bosch GmbHInventors: Achim Brenk, Martin Kropp
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Publication number: 20050263621Abstract: A fuel injector in injection systems for internal combustion engines having a valve body containing a control chamber that can be pressure-relieved and can be acted on with fuel via an inlet throttle and can be pressure-relieved via an outlet throttle. A first actuator can actuate a closing element. The valve body is connected to a holding body that has a nozzle body connected to it, which encompasses an injection valve element. In order to relieve the pressure in the control chamber, an additional, second outlet throttle is provided, whose closing element can be actuated either by an additional actuator or as a function of the power supply to a double-switching actuator.Type: ApplicationFiled: July 10, 2003Publication date: December 1, 2005Inventors: Achim Brenk, Martin Kropp, Manfred Mack, Juergen Hammer, Reinhard Tampe, Heike Bastian
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Patent number: 6964266Abstract: The invention relates to a 3/2-port directional-control valve for controlling the injection of fuel in a common rail injection system of an internal combustion engine, with a first switched position in which an injection nozzle is connected to a fuel return and with a second switched position in which the injection nozzle is connected to a high-pressure fuel reservoir. The beginning of the injection takes place in a pressure-controlled manner, whereas the end of the injection takes place in a stroke-controlled manner.Type: GrantFiled: January 22, 2002Date of Patent: November 15, 2005Assignee: Robert Bosch GmbHInventors: Achim Brenk, Wolfgang Klenk, Uwe Gordon, Manfred Mack