Patents by Inventor Hermann Hofbauer
Hermann Hofbauer 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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Patent number: 9687806Abstract: A fluidized bed reactor system with one or more fluidized bed reactors for carrying out chemical or physical reactions, at least one reactor thereof being a rapidly fluidized reactor to be operated as a circulating fluidized bed and having, at the upper end, a fluid outlet, a particle separator, and a particle line connected thereto for the purpose of feeding back separated fluidized bed particles into the same or a further reactor, wherein, at least one rapidly fluidized reactor has one or more flow control devices producing reaction zones that are separate from one another, and in order to control the flow conditions into the reaction zones, one or more of these flow control devices are specifically adjustable from outside of the system.Type: GrantFiled: November 11, 2013Date of Patent: June 27, 2017Assignee: TECHNISCHE UNIVERSITAET WIENInventors: Johannes Schmid, Tobias Proell, Hermann Hofbauer
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Patent number: 9627898Abstract: In a device and a method for transmitting energy and data between a control unit and a position-measuring device via a line pair, the energy transmission takes place in a charge mode and the data transmission takes place in a communication mode, and an energy storage device is provided in the position-measuring device, which is able to be charged in the charge mode via the line pair, and which is able to supply energy to the position-measuring device in the communication mode, and a charge unit and a switching device are provided in the control unit. The switching unit is adapted to the charge unit to the line pair in two-pole manner.Type: GrantFiled: April 10, 2013Date of Patent: April 18, 2017Assignee: DR. JOHANNES HEIDENHAIN GMBHInventors: Bernhard Beaury, Hermann Hofbauer, Markus Mooshammer, Erich Strasser, Ernst Thielicke, Sebastian Tondorf
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Publication number: 20160288076Abstract: A fluidized bed reactor system with one or more fluidized bed reactors for carrying out chemical or physical reactions, at least one reactor thereof being a rapidly fluidized reactor to be operated as a circulating fluidized bed and having, at the upper end, a fluid outlet, a particle separator, and a particle line connected thereto for the purpose of feeding back separated fluidized bed particles into the same or a further reactor, wherein, at least one rapidly fluidized reactor has one or more flow control devices producing reaction zones that are separate from one another, and in order to control the flow conditions into the reaction zones, one or more of these flow control devices are specifically adjustable from outside of the system.Type: ApplicationFiled: November 11, 2013Publication date: October 6, 2016Inventors: Johannes SCHMID, Tobias PROELL, Hermann HOFBAUER
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Patent number: 9089826Abstract: A fluidized-bed reactor system with at least two fluidized-bed reactors, each being a circulating fluidized bed, a particle line with a particle separator for transferring fluidized-bed particles from the first to the second reactor, and a particle line exiting at the lower half of the second reactor for transferring fluidized-bed particles back to the first reactor, wherein, at least in the second reactor, two or more reaction zones separated by one or more flow controllers and that the particle line opens into the second reactor above at least one flow controller.Type: GrantFiled: June 8, 2011Date of Patent: July 28, 2015Assignee: TECHNISCHE UNIVERSITAT WIENInventors: Tobias Proell, Johannes Schmid, Christoph Pfeifer, Hermann Hofbauer
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Publication number: 20130265000Abstract: In a device and a method for transmitting energy and data between a control unit and a position-measuring device via a line pair, the energy transmission takes place in a charge mode and the data transmission takes place in a communication mode, and an energy storage device is provided in the position-measuring device, which is able to be charged in the charge mode via the line pair, and which is able to supply energy to the position-measuring device in the communication mode, and a charge unit and a switching device are provided in the control unit. The switching unit is adapted to the charge unit to the line pair in two-pole manner.Type: ApplicationFiled: April 10, 2013Publication date: October 10, 2013Applicant: Dr. Johannes Heidenhain GmbHInventors: Bernhard Beaury, Hermann Hofbauer, Markus Mooshammer, Erich Strasser, Ernst Thielicke, Sebastian Tondorf
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Publication number: 20130143167Abstract: A fluidized-bed reactor system with at least two fluidized-bed reactors, each being a circulating fluidized bed, a particle line with a particle separator for transferring fluidized-bed particles from the first to the second reactor, and a particle line exiting at the lower half of the second reactor for transferring fluidized-bed particles back to the first reactor, wherein, at least in the second reactor, two or more reaction zones separated by one or more flow controllers and that the particle line opens into the second reactor above at least one flow controller.Type: ApplicationFiled: June 8, 2011Publication date: June 6, 2013Applicant: TECHNISCHE UNIVERSITAET WIENInventors: Tobias Proell, Johannes Schmid, Christoph Pfeifer, Hermann Hofbauer
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Patent number: 8277736Abstract: The present invention relates to a fluidized bed reactor system made up of at least two fluidized bed reactors, comprising at least one main reactor (1) in the form of a circulating fluidized bed and a secondary reactor (2) in the form of a circulating fluidized bed, and also a particle line comprising a particle separator for transporting fluidized bed particles from the main reactor into the secondary reactor, characterized in that, in the lower region of the respective reactor, a line (10) connects the secondary reactor (2) to the main reactor (1) for transporting fluidized bed particles.Type: GrantFiled: August 14, 2008Date of Patent: October 2, 2012Assignee: Technische Universitat WienInventors: Tobias Proll, Philipp Kolbitsch, Johannes Bolhar-Nordenkampf, Hermann Hofbauer
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Patent number: 8154427Abstract: A multiturn rotary encoder includes: a single-turn unit, including a code carrier and a single-turn evaluation unit for processing single-turn position signals to form a single-turn code word; a first multiturn unit, including at least one first multiturn code carrier and a first multiturn evaluation unit for processing first multiturn position signals to form a first multiturn code word that indicates the number of revolutions covered by input shaft; and a second multiturn unit, including at least one second multiturn code carrier and a second multiturn evaluation unit for processing second multiturn position signals to form a second multiturn code word that likewise indicates the number of revolutions covered by the input shaft. The functioning of the multiturn units is ascertainable by the multiturn code words generated independently of each other.Type: GrantFiled: August 30, 2010Date of Patent: April 10, 2012Assignee: Dr. Johannes Heidenhain GmbHInventors: Elmar Mayer, Erich Strasser, Hermann Hofbauer
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Publication number: 20110120560Abstract: The present invention relates to a fluidized bed reactor system made up of at least two fluidized bed reactors, comprising at least one main reactor (1) in the form of a circulating fluidized bed and a secondary reactor (2) in the form of a circulating fluidized bed, and also a particle line comprising a particle separator for transporting fluidized bed particles from the main reactor into the secondary reactor, characterized in that, in the lower region of the respective reactor, a line (10) connects the secondary reactor (2) to the main reactor (1) for transporting fluidized bed particles.Type: ApplicationFiled: August 14, 2008Publication date: May 26, 2011Inventors: Tobias Proll, Philipp Kolbitsch, Johannes Bolhar-Nordenkampf, Hermann Hofbauer
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Publication number: 20110063145Abstract: A multiturn rotary encoder includes: a single-turn unit, including a code carrier and a single-turn evaluation unit for processing single-turn position signals to form a single-turn code word; a first multiturn unit, including at least one first multiturn code carrier and a first multiturn evaluation unit for processing first multiturn position signals to form a first multiturn code word that indicates the number of revolutions covered by input shaft; and a second multiturn unit, including at least one second multiturn code carrier and a second multiturn evaluation unit for processing second multiturn position signals to form a second multiturn code word that likewise indicates the number of revolutions covered by the input shaft. The functioning of the multiturn units is ascertainable by the multiturn code words generated independently of each other.Type: ApplicationFiled: August 30, 2010Publication date: March 17, 2011Inventors: Elmar Mayer, Erich Strasser, Hermann Hofbauer
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Patent number: 7395178Abstract: A measuring system includes a measuring device, another device and a device configured to transmit data enabling bits of data to be transmitted between the measuring device and the other device. The measuring device also includes a signal monitoring circuit and a switch element. The switch element is electrically contacted to a test potential source. The test potential source is in contact with the signal monitoring circuit according to a switch element state. The signal monitoring circuit is also in contact with the device for transmitting date. A method provides for functional monitoring of such a measuring system in a monitoring mode when a test potential is applied.Type: GrantFiled: July 5, 2007Date of Patent: July 1, 2008Assignee: Dr. Johannes Heidenhain GmbHInventors: Hermann Hofbauer, Erich Strasser
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Patent number: 7333911Abstract: In a method for operating a positional measurement device and a corresponding positional measurement device, the device includes a signal generation unit configured to generate positional data and is connected to sequential or follower electronics by a communication unit. Data is transmitted between the signal generation unit and the communication unit via an internal interface unit, whereas measurement-data request instructions, which are transmitted by the sequential or follower electronics to the positional measurement device, are transmitted to the signal generation unit by bypassing the internal interface unit.Type: GrantFiled: September 19, 2003Date of Patent: February 19, 2008Assignee: Dr. Johannes Heidenhain GmbHInventors: Hermann Hofbauer, Erich Strasser
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Patent number: 7295946Abstract: A measuring system includes a measuring device, another device and a device configured to transmit data enabling bits of data to be transmitted between the measuring device and the other device. The measuring device also includes a signal monitoring circuit and a switch element. The switch element is electrically contacted to a test potential source. The test potential source is in contact with the signal monitoring circuit according to a switch element state. The signal monitoring circuit is also in contact with the device for transmitting date. A method provides for functional monitoring of such a measuring system in a monitoring mode when a test potential is applied.Type: GrantFiled: September 4, 2003Date of Patent: November 13, 2007Assignee: Dr. Johannes Heidenhain GmbHInventors: Hermann Hofbauer, Erich Strasser
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Publication number: 20070255523Abstract: A measuring system includes a measuring device, another device and a device configured to transmit data enabling bits of data to be transmitted between the measuring device and the other device. The measuring device also includes a signal monitoring circuit and a switch element. The switch element is electrically contacted to a test potential source. The test potential source is in contact with the signal monitoring circuit according to a switch element state. The signal monitoring circuit is also in contact with the device for transmitting date. A method provides for functional monitoring of such a measuring system in a monitoring mode when a test potential is applied.Type: ApplicationFiled: July 5, 2007Publication date: November 1, 2007Inventors: Hermann Hofbauer, Erich Strasser
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Patent number: 7043398Abstract: A system for determining a signal running time between a position measuring system and an evaluation unit. The system includes a position measuring system that has a graduation connected to a moving element, a scanning unit that scans the graduation, wherein scanning of the graduation generates signals representative of a position of the moving element and a transceiver means for generating serial data that is transmitted along a data line connected to the transceiver. The system further includes an evaluation unit connected to the data line, the evaluation unit having means for determining a signal running time between the position measuring system and the evaluation unit.Type: GrantFiled: May 7, 2002Date of Patent: May 9, 2006Assignee: Dr. Johannes Heidenhain GmbHInventors: Hermann Hofbauer, Helmut Huber, Erich Strasser, Steffen Bielski
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Patent number: 6996494Abstract: A position measuring device having a scanning element assigned to a periodic measuring graduation, the scanning element moves relative to the measuring graduation so as to scan the measuring graduation and generates a first analog signal and a second analog signal that is phase shifted relative to the first analog signal. A module that forms a measured position value, wherein the first and second analog signals are present at the module, and a code word defines a position that is present at an output of the module. An output module that digitally outputs the code word over a data channel and a conversion device that converts the first analog signal and the second analog signal into multi-digit amplitude-proportional code words, wherein the code words are also available at the output module for outputting on the data channel and is digitally transmitted by the output module over the data channel.Type: GrantFiled: October 10, 2001Date of Patent: February 7, 2006Assignee: Dr. Johannes Heidenhain GmbHInventors: Jan Braasch, Hermann Hofbauer, Rudolf Mittmann, Erich Strasser, Sebastian Tondorf
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Publication number: 20050273294Abstract: In a method for operating a positional measurement device and a corresponding positional measurement device, the device includes a signal generation unit configured to generate positional data and is connected to sequential or follower electronics by a communication unit. Data is transmitted between the signal generation unit and the communication unit via an internal interface unit, whereas measurement-data request instructions, which are transmitted by the sequential or follower electronics to the positional measurement device, are transmitted to the signal generation unit by bypassing the internal interface unit.Type: ApplicationFiled: September 19, 2003Publication date: December 8, 2005Inventors: Hermann Hofbauer, Erich Strasser
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Publication number: 20050246123Abstract: A measuring system includes a measuring device, another device and a device configured to transmit data enabling bits of data to be transmitted between the measuring device and the other device. The measuring device also includes a signal monitoring circuit and a switch element. The switch element is electrically contacted to a test potential source. The test potential source is in contact with the signal monitoring circuit according to a switch element state. The signal monitoring circuit is also in contact with the device for transmitting date. A method provides for functional monitoring of such a measuring system in a monitoring mode when a test potential is applied.Type: ApplicationFiled: September 4, 2003Publication date: November 3, 2005Inventors: Hermann Hofbauer, Erich Strasser
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Publication number: 20040193624Abstract: A system for determining a signal running time between a position measuring system and an evaluation unit. The system includes a position measuring system that has a graduation connected to a moving element, a scanning unit that scans the graduation, wherein scanning of the graduation generates signals representative of a position of the moving element and a transceiver means for generating serial data that is transmitted along a data line connected to the transceiver. The system further includes an evaluation unit connected to the data line, the evaluation unit having means for determining a signal running time between the position measuring system and the evaluation unit.Type: ApplicationFiled: May 21, 2004Publication date: September 30, 2004Inventors: Hermann Hofbauer, Helmut Huber, Erich Strasser, Steffen Bielski
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Publication number: 20040133373Abstract: The invention relates to a position measuring device (100), which supplies a multidigit code word (P) to a numeric control (300) via a serial interface (14). To determine the current functional state of the position measuring device (100) instantaneous values of analogue sampled signals (S6, S7) are also serially transmitted as multidigit amplitude-proportional code words (D6, D7). Said code words (D6, D7) are supplied to a diagnostic device (200), which displays a Lissajous figure (201) derived from said words, or independently performs an evaluation and generates warnings or alarms.Type: ApplicationFiled: September 26, 2003Publication date: July 8, 2004Inventors: Jan Braasch, Hermann Hofbauer, Rudolf Mittmann, Erich Strasser, Sebastian Tondorf