Patents by Inventor Hans-Jürg Jost
Hans-Jürg Jost 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).
-
Patent number: 10295464Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one torr (1 Torr).Type: GrantFiled: December 11, 2018Date of Patent: May 21, 2019Assignee: Thermo Fisher Scientific (Bremen) GmbHInventors: James J. Scherer, Joshua B. Paul, Hans-Juerg Jost
-
Publication number: 20190086333Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one ton (1 Torr).Type: ApplicationFiled: December 11, 2018Publication date: March 21, 2019Inventors: James J. SCHERER, Joshua B. PAUL, Hans-Juerg JOST
-
Patent number: 10107751Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one torr (1 Torr).Type: GrantFiled: May 15, 2017Date of Patent: October 23, 2018Assignee: Thermo Fisher Scientific (Bremen) GmbHInventors: James J. Scherer, Joshua B. Paul, Hans-Juerg Jost
-
Patent number: 9829431Abstract: A system for controlling flow of gas in a continuous flow isotope ratio analyser is provided. The system comprises gas inlet and gas outlet lines for providing gas into and from a measuring cell, and at least one switchable flow restriction on the gas inlet line, for selectively controlling gas flow into the isotope ratio analyser. Also provided is a method for determining an isotope ratio using the system according to the invention.Type: GrantFiled: April 29, 2016Date of Patent: November 28, 2017Assignee: Thermo Fisher Scientific (Bremen) GmbHInventors: Hans-Juergen Schlueter, Eric Wapelhorst, Nils Stoebener, Hans-Juerg Jost, Tim Stoltmann
-
Publication number: 20170248517Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one torr (1 Torr).Type: ApplicationFiled: May 15, 2017Publication date: August 31, 2017Inventors: James J. SCHERER, Joshua B. PAUL, Hans-Juerg JOST
-
Patent number: 9651488Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one torr (1 Torr).Type: GrantFiled: September 9, 2011Date of Patent: May 16, 2017Assignee: Thermo Fisher Scientific (Bremen) GmbHInventors: James J. Scherer, Joshua B. Paul, Hans-Jürg Jost
-
Publication number: 20160320294Abstract: A system for controlling flow of gas in a continuous flow isotope ratio analyser is provided. The system comprises gas inlet and gas outlet lines for providing gas into and from a measuring cell, and at least one switchable flow restriction on the gas inlet line, for selectively controlling gas flow into the isotope ratio analyser. Also provided is a method for determining an isotope ratio using the system according to the invention.Type: ApplicationFiled: April 29, 2016Publication date: November 3, 2016Inventors: Hans-Juergen SCHLUETER, Eric WAPELHORST, Nils STOEBENER, Hans-Juerg JOST, Tim STOLTMANN
-
Patent number: 9012851Abstract: A gas sensor system includes a laser module, optical chamber module, and a gas sensor cell. The laser chamber module includes two laser light sources producing laser light emissions at wavelengths ?1 and ?2, respectively. Each beam path optionally includes an optical isolator. The beam paths enter the housing of the optical chamber module where they are combined into a third wavelength, ?. The housing of the optical chamber module includes an inlet and an outlet for passing a selected target gas. The gas sensor cell mates to the inlet of the housing. The target gas passes through the adjacent gas cell and into the optical chamber module through the inlet. The target gas exits the optical chamber module through the outlet. Within the optical chamber module, a nonlinear crystal receives the laser light emissions at wavelengths ?1 and ?2 and generates the third wavelength, ?3. The wavelength ?3 is selected to be at the mid-IR spectral absorption feature of the target gas, i.e.Type: GrantFiled: September 9, 2011Date of Patent: April 21, 2015Assignee: Thermo Fisher Scientific (Bremen) GmbHInventors: James J. Scherer, Joshua B. Paul, Hans-Juerg Jost
-
Publication number: 20130175450Abstract: A gas sensor system includes a laser module, optical chamber module, and a gas sensor cell. The laser chamber module includes two laser light sources producing laser light emissions at wavelengths ?1 and ?2, respectively. Each beam path optionally includes an optical isolator. The beam paths enter the housing of the optical chamber module where they are combined into a third wavelength, ?. The housing of the optical chamber module includes an inlet and an outlet for passing a selected target gas. The gas sensor cell mates to the inlet of the housing. The target gas passes through the adjacent gas cell and into the optical chamber module through the inlet. The target gas exits the optical chamber module through the outlet. Within the optical chamber module, a nonlinear crystal receives the laser light emissions at wavelengths ?1 and ?2 and generates the third wavelength, ?3. The wavelength ?3 is selected to be at the mid-IR spectral absorption feature of the target gas, i.e.Type: ApplicationFiled: September 9, 2011Publication date: July 11, 2013Inventors: James J. Scherer, Joshua B. Paul, Hans-Juerg Jost
-
Publication number: 20120287418Abstract: A gas sensor system is provided, comprising: a gas cell operable so as to receive a sample gas; a vacuum system fluidically coupled to the gas cell operable to maintain the sample gas within the gas cell at a sub-ambient pressure; a pressure sensor operable to sense a pressure of the sample gas; a thermally insulated enclosure having the gas cell therein; a heat source or heat exchanger operable to influence an interior temperature of the thermally insulated enclosure; a light source within the thermally insulated enclosure operable to provide a mid-infrared (mid-IR) light into and through the gas cell; a photodetector within the thermally insulated enclosure operable to receive the attenuated mid-IR; and a control system electronically coupled to the vacuum system and to the pressure sensor operable to maintain the sample gas within the gas cell at the predetermined pressure to within one torr (1 Torr).Type: ApplicationFiled: September 9, 2011Publication date: November 15, 2012Inventors: James J. SCHERER, Joshua B. Paul, Hans-Jürg Jost