Patents by Inventor Hendrik Visser
Hendrik Visser 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: 11933721Abstract: A method for spectroscopically detecting a chemical in a gas sample includes illuminating the gas sample with ultraviolet light and photolyzing a first chemical in the gas sample to generate a photolyzed gas sample and spectroscopically detecting a second chemical in the photolyzed gas sample. The second chemical has an optical absorption range within a respective optical absorption range of the first chemical.Type: GrantFiled: April 22, 2022Date of Patent: March 19, 2024Assignee: Ford Global Technologies, LLCInventors: Reinoud Wolffenbuttel, David Bilby, Nathan Kempema, Jacobus Hendrik Visser
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Publication number: 20230341319Abstract: A method for spectroscopically detecting a chemical in a gas sample includes illuminating the gas sample with ultraviolet light and photolyzing a first chemical in the gas sample to generate a photolyzed gas sample and spectroscopically detecting a second chemical in the photolyzed gas sample. The second chemical has an optical absorption range within a respective optical absorption range of the first chemical.Type: ApplicationFiled: April 22, 2022Publication date: October 26, 2023Applicant: Ford Global Technologies, LLCInventors: Reinoud Wolffenbuttel, David Bilby, Nathan Kempema, Jacobus Hendrik Visser
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Publication number: 20230271683Abstract: A method for retrieving an object exposed to a body of water. The freezing of water is a very power- and time-consuming operation and therefore, can be quite costly. To reduce at least one of these problems, an aqueous viscous mass is provided in a zone adjacent to an outer section of an object, and then the mass is frozen to the object. In some implementations, a thermal conductivity-promoting agent, such as metal, is used, among other variations.Type: ApplicationFiled: July 21, 2021Publication date: August 31, 2023Applicant: HOLLAND MARINE PROJECTS B.V.Inventor: Ewoud Hendrik VISSER
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Patent number: 10989126Abstract: Systems and methods for operating an internal combustion engine that includes an oxygen sensor are described. In one example, a voltage that is applied to a heating element of an oxygen sensor is integrated to determine a resistance of the heating element. The resistance of the heating element is the basis for adjusting voltage applied to the heating element during subsequent engine starts.Type: GrantFiled: February 13, 2019Date of Patent: April 27, 2021Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Hao Zhang, Christopher Paul Glugla, Jacobus Hendrik Visser, Richard E. Soltis
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Publication number: 20200256268Abstract: Systems and methods for operating an internal combustion engine that includes an oxygen sensor are described. In one example, a voltage that is applied to a heating element of an oxygen sensor is integrated to determine a resistance of the heating element. The resistance of the heating element is the basis for adjusting voltage applied to the heating element during subsequent engine starts.Type: ApplicationFiled: February 13, 2019Publication date: August 13, 2020Inventors: Gopichandra Surnilla, Hao Zhang, Christopher Paul Glugla, Jacobus Hendrik Visser, Richard E. Soltis
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Patent number: 9528448Abstract: Methods and systems are provided for determining an amount of alcohol in fuel injected into an engine based on outputs from an exhaust gas sensor. In one example, a method includes estimating a first fuel alcohol content based on an air-fuel ratio estimated with the exhaust oxygen sensor and estimating a second fuel alcohol content based on a change in sensor output during modulating a reference voltage of the exhaust oxygen sensor between a first and second voltage. The method further includes adjusting engine operation based on a difference between the first and second fuel alcohol contents.Type: GrantFiled: February 19, 2015Date of Patent: December 27, 2016Assignee: Ford Global Technologies, LLCInventors: Daniel A. Makled, Gopichandra Surnilla, Richard E. Soltis, Evangelos P. Skoures, Jacobus Hendrik Visser, Timothy Joseph Clark, David James Scholl
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Publication number: 20160245193Abstract: Methods and systems are provided for determining an amount of alcohol in fuel injected into an engine based on outputs from an exhaust gas sensor. In one example, a method includes estimating a first fuel alcohol content based on an air-fuel ratio estimated with the exhaust oxygen sensor and estimating a second fuel alcohol content based on a change in sensor output during modulating a reference voltage of the exhaust oxygen sensor between a first and second voltage. The method further includes adjusting engine operation based on a difference between the first and second fuel alcohol contents.Type: ApplicationFiled: February 19, 2015Publication date: August 25, 2016Inventors: Daniel A. Makled, Gopichandra Surnilla, Richard E. Soltis, Evangelos P. Skoures, Jacobus Hendrik Visser, Timothy Joseph Clark, David James Scholl
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Patent number: 9410466Abstract: Embodiments for adjusting engine operating parameters based on output from an exhaust humidity sensor are provided. One example method for an engine comprises based on a dew point of exhaust gas, adjusting an exhaust gas sensor heater configured to heat an exhaust gas sensor disposed in an exhaust passage of the engine, the dew point based on output from a humidity sensor disposed in the exhaust passage.Type: GrantFiled: December 5, 2012Date of Patent: August 9, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Richard E. Soltis, Jacobus Hendrik Visser, Stephen B. Smith, Timothy Clark
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Patent number: 9404432Abstract: Methods are provided for accurately learning part-to-part variability of an intake or exhaust oxygen sensor. A correction factor is learned based on a sensor reading in dry air conditions, the dry air reading learned by applying a higher reference voltage to the sensor. An ethanol transfer function is then adjusted based on the learned correction factor so as to improve the accuracy of combusted fuel ethanol content estimation.Type: GrantFiled: January 9, 2014Date of Patent: August 2, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Richard E. Soltis, Daniel A. Makled, Jacobus Hendrik Visser, David James Scholl
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Patent number: 9382880Abstract: Various systems and methods are described for an engine system with an exhaust gas recirculation system. In one example method, a correction for a gas constituent sensor is determined based on output from the gas constituent sensor and output from a pressure sensor over a range of boost pressure. The gas constituent sensor output is adjusted based on the correction, and an amount of exhaust gas recirculation is adjusted based on the adjusted gas constituent sensor output.Type: GrantFiled: December 5, 2012Date of Patent: July 5, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Richard E. Soltis, Jacobus Hendrik Visser, Timothy Joseph Clark, David James Scholl
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Patent number: 9382858Abstract: Methods and systems are provided for accurately learning the zero point of an intake gas oxygen sensor in varying ambient humidity conditions. The learned zero point is corrected based on an estimated ambient humidity to calibrate the reading for dry air conditions or standard humidity conditions. EGR control is performed by comparing the output of an intake oxygen sensor during EGR conditions relative to the humidity-corrected zero point.Type: GrantFiled: February 29, 2016Date of Patent: July 5, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Timothy Joseph Clark, Richard E. Soltis, Jacobus Hendrik Visser, Christopher House
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Patent number: 9376968Abstract: Methods are provided for accurately learning part-to-part variability of an intake or exhaust oxygen sensor. A correction factor is learned based on sensor readings at voltages above and below a voltage corresponding to dry air conditions. An ethanol transfer function is then adjusted based on the learned correction factor so as to improve the accuracy of combusted fuel ethanol content estimation.Type: GrantFiled: June 5, 2014Date of Patent: June 28, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Daniel A. Makled, Richard E. Soltis, Jacobus Hendrik Visser
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Publication number: 20160177858Abstract: Methods and systems are provided for accurately learning the zero point of an intake gas oxygen sensor in varying ambient humidity conditions. The learned zero point is corrected based on an estimated ambient humidity to calibrate the reading for dry air conditions or standard humidity conditions. EGR control is performed by comparing the output of an intake oxygen sensor during EGR conditions relative to the humidity-corrected zero point.Type: ApplicationFiled: February 29, 2016Publication date: June 23, 2016Inventors: Gopichandra Surnilla, Timothy Joseph Clark, Richard E. Soltis, Jacobus Hendrik Visser, Christopher House
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Patent number: 9273621Abstract: Methods and systems are provided for accurately learning the zero point of an intake gas oxygen sensor in varying ambient humidity conditions. The learned zero point is corrected based on an estimated ambient humidity to calibrate the reading for dry air conditions or standard humidity conditions. EGR control is performed by comparing the output of an intake oxygen sensor during EGR conditions relative to the humidity-corrected zero point.Type: GrantFiled: October 11, 2013Date of Patent: March 1, 2016Assignee: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Timothy Joseph Clark, Richard E. Soltis, Jacobus Hendrik Visser, Christopher House
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Patent number: 9240919Abstract: A polar modulator (200) comprises a modulation generator (10) arranged to generate phase modulation data and amplitude modulation data; and a phase modulation stage (20) arranged to generate a phase modulated, PM, carrier signal and a PM clock signal, wherein the PM carrier signal has a PM carrier signal frequency and the PM clock signal has a PM clock signal frequency, and the PM carrier signal frequency is higher than the PM clock signal frequency, the PM carrier signal and the PM clock signal are phase modulated by the phase modulation data, and the phase modulation stage (20) comprises an adjustable delay stage (50) arranged to adjust a relative delay between the PM carrier signal and the PM clock signal to a target value.Type: GrantFiled: June 18, 2013Date of Patent: January 19, 2016Assignee: ST-ERICSSON SAInventors: Hendrik Visser, Roeland Heijna
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Patent number: 9217350Abstract: Various systems and methods for detecting exhaust reductant injector degradation based on an exhaust NOx sensor are disclosed. In one example, degradation of the reductant injector is indicated when an actual NOx sensor output differs from an expected NOx sensor output by more than a threshold amount under engine off conditions.Type: GrantFiled: November 13, 2013Date of Patent: December 22, 2015Assignee: Ford Global Technologies, LLCInventors: Devesh Upadhyay, In Kwang Yoo, David John Kubinski, Jacobus Hendrik Visser, Garth Michael Meyer, Michiel J. Van Nieuwstadt
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Publication number: 20150192085Abstract: Methods are provided for accurately learning part-to-part variability of an intake or exhaust oxygen sensor. A correction factor is learned based on sensor readings at voltages above and below a voltage corresponding to dry air conditions. An ethanol transfer function is then adjusted based on the learned correction factor so as to improve the accuracy of combusted fuel ethanol content estimation.Type: ApplicationFiled: June 5, 2014Publication date: July 9, 2015Inventors: Gopichandra Surnilla, Daniel A. Makled, Richard E. Soltis, Jacobus Hendrik Visser
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Publication number: 20150192084Abstract: Methods are provided for accurately learning part-to-part variability of an intake or exhaust oxygen sensor. A correction factor is learned based on a sensor reading in dry air conditions, the dry air reading learned by applying a higher reference voltage to the sensor. An ethanol transfer function is then adjusted based on the learned correction factor so as to improve the accuracy of combusted fuel ethanol content estimation.Type: ApplicationFiled: January 9, 2014Publication date: July 9, 2015Applicant: Ford Global Technologies, LLCInventors: Gopichandra Surnilla, Richard E. Soltis, Daniel A. Makled, Jacobus Hendrik Visser, David James Scholl
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Publication number: 20150139360Abstract: A polar modulator (200) comprises a modulation generator (10) arranged to generate phase modulation data and amplitude modulation data; and a phase modulation stage (20) arranged to generate a phase modulated, PM, carrier signal and a PM clock signal, wherein the PM carrier signal has a PM carrier signal frequency and the PM clock signal has a PM clock signal frequency, and the PM carrier signal frequency is higher than the PM clock signal frequency, the PM carrier signal and the PM clock signal are phase modulated by the phase modulation data, and the phase modulation stage (20) comprises an adjustable delay stage (50) arranged to adjust a relative delay between the PM carrier signal and the PM clock signal to a target value.Type: ApplicationFiled: June 18, 2013Publication date: May 21, 2015Applicant: ST-Ericsson SAInventors: Hendrik Visser, Roeland Heijna
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Patent number: RE47702Abstract: The invention relates to a display device comprising a device body with upper and lower body sides and having at least one surface support part for supporting the body on a surface, and a continuous flexible display. A support frame is configured to support at least a part of the flexible display, at least a portion of the support frame is connected with the device body and is movable with respect to the device body between a closed configuration for fixing the flexible display in a storage position and an open configuration for fixing the flexible display in an open position. There is at least one surface support part for supporting the support frame on a surface. In the open configuration the surface support parts of the support frame and of the lower body side are positioned in one plane, enabling a supporting of the surface support parts on a surface for a stable user interaction with the device in the open position of the display.Type: GrantFiled: December 10, 2015Date of Patent: November 5, 2019Assignee: Samsung Electronics Co., Ltd.Inventors: Volker Barnhart Verschoor, Johannes Cornelis Adriaan Hamers, Hendrik Visser, Michael Johannes Anna Maria Walters