Patents by Inventor Johann Graf
Johann Graf 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: 20210102580Abstract: In a method for producing a subassembly for a household appliance, at least one of a first rail and a separate second rail is cleaned by a mechanical and/or chemical cleaning operation. Subsequently the first and second rails are connected to one another so as to be able to slide relative to one another and thereby form a rail withdrawal device of the subassembly.Type: ApplicationFiled: December 16, 2020Publication date: April 8, 2021Inventors: Johann Graf, Angelika Namberger, Philipp Nather
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Patent number: 10948020Abstract: In a method for producing a subassembly for a household appliance, at least one of a first rail and a separate second rail is cleaned by a mechanical and/or chemical cleaning operation. Subsequently the first and second rails are connected to one another so as to be able to slide relative to one another and thereby form a rail withdrawal device of the subassembly.Type: GrantFiled: September 14, 2017Date of Patent: March 16, 2021Assignee: BSH Hausgeräte GmbHInventors: Johann Graf, Angelika Namberger, Philipp Nather
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Publication number: 20200032849Abstract: In a method for producing a subassembly for a household appliance, at least one of a first rail and a separate second rail is cleaned by a mechanical and/or chemical cleaning operation. Subsequently the first and second rails are connected to one another so as to be able to slide relative to one another and thereby form a rail withdrawal device of the subassembly.Type: ApplicationFiled: April 14, 2017Publication date: January 30, 2020Inventors: Johann GRAF, Angelika NAMBERGER, Philipp NATHER
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Publication number: 20190180570Abstract: A gaming system may include a gaming machine having a monetary input device, a wager input device, and a processor. The processor may establish a credit balance based on the monetary value, decrease the credit balance by the selected wager, and present the wagering game at an interface. A game server may transmit content for the wagering game to the gaming machine. The game server may determine prize payouts during game play by detecting sporting event outcomes occurring during live sporting games. Each detected sporting event outcome may correspond to a previously determined prize value. The prize values may be determined based on a data analysis of the probable occurrence of each sporting event outcome in previously completed sporting events.Type: ApplicationFiled: December 13, 2017Publication date: June 13, 2019Applicant: Novomatic AGInventors: Roman Czubak, Johann Graf
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Patent number: 9903255Abstract: The invention relates to a coolant circuit (1) for an internal combustion engine (2), wherein the coolant can circulate between the internal combustion engine (2) and a heat sink (3) depending upon a switchable valve (4), which is closed in the initial state during a cold start of the internal combustion engine (2), wherein the valve (4) can be switched to an at least partially opened sequential state depending on an exhaust gas mass flow emitted by the internal combustion engine (2), and wherein a control device (6) determines an integral of the exhaust gas mass flow with respect to the time and switches the valve (4) into the sequential state when an integral threshold value is exceeded.Type: GrantFiled: June 30, 2012Date of Patent: February 27, 2018Assignee: Audi AGInventor: Johann Graf
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Patent number: 9611765Abstract: A method and apparatus for operating a valve train of an internal combustion engine having a main camshaft for which at least one rotationally-fixed cam carrier is provided that can be shifted between two axial positions is disclosed. An actuator cooperates with at least one shift gate to axially shift the cam carrier into a target position. The actuator comprises a driver that is extended in the direction of at least one sliding slot of the shift gate to shift the cam carrier. The sliding slot has an ejection ramp in an ejection region that ejects the driver out of the sliding slot until the conclusion of the shift. A voltage induced in the actuator by the ejection is detected, the induced voltage is integrated across a rotational-angle range associated with the ejection region, and a confirmation signal is generated when the integrated voltage exceeds a threshold level.Type: GrantFiled: June 5, 2013Date of Patent: April 4, 2017Assignee: AUDI AGInventor: Johann Graf
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Publication number: 20150136052Abstract: A method and apparatus for operating a valve train of an internal combustion engine having a main camshaft for which at least one rotationally-fixed cam carrier is provided that can be shifted between two axial positions is disclosed. An actuator cooperates with at least one shift gate to axially shift the cam carrier into a target position. The actuator comprises a driver that is extended in the direction of at least one sliding slot of the shift gate to shift the cam carrier. The sliding slot has an ejection ramp in an ejection region that ejects the driver out of the sliding slot until the conclusion of the shift. A voltage induced in the actuator by the ejection is detected, the induced voltage is integrated across a rotational-angle range associated with the ejection region, and a confirmation signal is generated when the integrated voltage exceeds a threshold level.Type: ApplicationFiled: June 5, 2013Publication date: May 21, 2015Applicant: AUDI AGInventor: Johann Graf
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Patent number: 8915127Abstract: In a method and a device for diagnosing a switchable coolant pump for circulating a coolant in a coolant circuit of an internal combustion engine, an actual value of the cylinder head temperature of the internal combustion engine is measured and the actual value of the cylinder head temperature is compared with a model value of the cylinder head temperature. The functionality of the coolant pump is assessed according to the comparison result.Type: GrantFiled: July 22, 2011Date of Patent: December 23, 2014Assignee: Audi AGInventor: Johann Graf
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Publication number: 20140182523Abstract: The invention relates to a coolant circuit (1) for an internal combustion engine (2), wherein the coolant can circulate between the internal combustion engine (2) and a heat sink (3) depending upon a switchable valve (4), which is closed in the initial state during a cold start of the internal combustion engine (2), wherein the valve (4) can be switched to an at least partially opened sequential state depending on an exhaust gas mass flow emitted by the internal combustion engine (2), and wherein a control device (6) determines an integral of the exhaust gas mass flow with respect to the time and switches the valve (4) into the sequential state when an integral threshold value is exceeded.Type: ApplicationFiled: June 30, 2012Publication date: July 3, 2014Applicant: Audi AGInventor: Johann Graf
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Patent number: 8589010Abstract: In a motor vehicle having two different drives, in particular an internal combustion engine and an electric drive, there are two control units for the respective drives and a leading control unit (Hybrid), which preferably controls the internal combustion engine and assigns torque to the individual drives when there are torque requests. Corresponding request signals are sent and implemented only if the existence of a certain situation (key inserted, “terminal 15”) is detected by an engine immobilizer control unit (EI master). In order for not too much time to pass due to the querying of the engine immobilizer control unit, the leading control unit informs the other control units that a query is sent so that the other control units can also send a query already.Type: GrantFiled: March 29, 2011Date of Patent: November 19, 2013Assignee: Audi AGInventors: Johann Graf, Martin Steinbrueck
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Patent number: 8569908Abstract: In a hybrid vehicle which has a plurality of drives, of which in particular one drive is a combustion engine and the other is an electric drive, all the drive control units, if appropriate even a transmission control unit, require enabling by an immobilizer control unit before the first control unit outputs control commands to communicate a torque request, input by a vehicle driver.Type: GrantFiled: April 15, 2011Date of Patent: October 29, 2013Assignee: Audi AGInventors: Johann Graf, Martin Steinbrueck
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Publication number: 20130156065Abstract: In a method and a device for diagnosing a switchable coolant pump for circulating a coolant in a coolant circuit of an internal combustion engine, an actual value of the cylinder head temperature of the internal combustion engine is measured and the actual value of the cylinder head temperature is compared with a model value of the cylinder head temperature. The functionality of the coolant pump is assessed according to the comparison result.Type: ApplicationFiled: July 22, 2011Publication date: June 20, 2013Applicant: Audi AGInventor: Johann Graf
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Publication number: 20130103237Abstract: In a motor vehicle having two different drives, in particular an internal combustion engine and an electric drive, there are two control units for the respective drives and a leading control unit (Hybrid), which preferably controls the internal combustion engine and assigns torque to the individual drives when there are torque requests. Corresponding request signals are sent and implemented only if the existence of a certain situation (key inserted, “terminal 15”) is detected by an engine immobilizer control unit (EI master). In order for not too much time to pass due to the querying of the engine immobilizer control unit, the leading control unit informs the other control units that a query is sent so that the other control units can also send a query already.Type: ApplicationFiled: March 29, 2011Publication date: April 25, 2013Inventors: Johann Graf, Martin Steinbrueck
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Publication number: 20130096755Abstract: In a hybrid vehicle which has a plurality of drives, of which in particular one drive is a combustion engine and the other is an electric drive, all the drive control units, if appropriate even a transmission control unit, require enabling by an immobilizer control unit before the first control unit outputs control commands to communicate a torque request, input by a vehicle driver.Type: ApplicationFiled: April 15, 2011Publication date: April 18, 2013Applicant: AUDI AGInventors: Johann Graf, Martin Steinbrueck
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Patent number: 7762230Abstract: The invention relates to a method for operating at least one drive motor, particularly an internal combustion engine, of an automobile, particularly a motor vehicle, wherein the engine speed of the drive motor in the detected idle state of the motor vehicle does not exceed a predetermined maximum value by means of engine speed limitation. It is provided that the idle state detected is verified at least once by means of a test cycle.Type: GrantFiled: January 24, 2008Date of Patent: July 27, 2010Assignee: Audi AGInventor: Johann Graf
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Publication number: 20100132665Abstract: The motion of a piston in an engine is braked, for example, within the scope of a method for controlling the engine speed, in that ignition takes place prior to a predetermined optimum ignition point. In this way, more than half of the fuel burns before the piston reaches top dead center. Thus, before the actual stroke of performing work, the motion of the piston is opposed and the piston and thus the crankshaft are braked.Type: ApplicationFiled: November 19, 2009Publication date: June 3, 2010Applicant: Audi AGInventors: Johann Graf, Frank Mueller
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Publication number: 20080184959Abstract: The invention relates to a method for operating at least one drive motor, particularly an internal combustion engine, of an automobile, particularly a motor vehicle, wherein the engine speed of the drive motor in the detected idle state of the motor vehicle does not exceed a predetermined maximum value by means of engine speed limitation. It is provided that the idle state detected is verified at least once by means of a test cycle.Type: ApplicationFiled: January 24, 2008Publication date: August 7, 2008Applicant: Audi AGInventor: Johann Graf
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Publication number: 20070207861Abstract: A doorframe is provided that uses angled display areas in a single frame to allow more than one display means to be mounted or placed behind the door with the viewing area facing outward. This allows a player to more comfortably view a multiple-display gaming machine from a single location while at the same time, allows attendants or engineers working on a gaming machine to more readily access the internal workings of the gaming machine by having to only open a single door.Type: ApplicationFiled: September 30, 2004Publication date: September 6, 2007Applicant: NOVOMATIC AGInventors: Marek Gawel, Johann Graf
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Patent number: 6684689Abstract: The activation of a swirl control valve which is seated downstream of a throttle valve in the intake tract of an internal combustion engine is diagnosed. The swirl control valve is activated by a specific adjustment travel within a supercritical operating range of the intake pipe pressure in the intake tract downstream of the throttle valve. If a specific jump in pressure that is dependent on the adjustment travel does not take place in the intake tract downstream of the throttle valve, a defect in the actuation of the swirl control valve is diagnosed.Type: GrantFiled: April 1, 2002Date of Patent: February 3, 2004Assignee: Siemens AktiengesellschaftInventors: Robert Fromm, Johann Graf, Michael Henn, Hong Zhang
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Patent number: 6619262Abstract: An internal combustion engine having cylinders with injection valves and air mass-setting actuators, an air/fuel ratio sensor detecting the ratio in the individual cylinders, and a sensor detecting a torque generated in the individual cylinders or differences in the torques generated in the cylinders includes individually determining the air/fuel ratio for each cylinder, individually correcting an activation of the fuel injection valve for each cylinder as a function of the detected air/fuel ratio and of a desired value of the air/fuel ratio, determining the variable characterizing the torque or the differences in the torque for each cylinder, individually correcting an activation of the air mass-setting actuator for each cylinder as a function of the detected value of the variable characterizing the torque or of the variable characterizing the difference in the torque specifically with the effect of assimilating the torques generated by the individual cylinders.Type: GrantFiled: April 1, 2002Date of Patent: September 16, 2003Assignee: Siemens AktiengesellschaftInventors: Johann Graf, Michael Henn, Gerhard Schopp