Patents by Inventor Thomas Stoehr
Thomas Stoehr 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: 11967739Abstract: The invention relates to a separator plate for an electrochemical system, comprising a first and a second plate, which are essentially congruently arranged on top of one another. The first and/or second plates furthermore include at least one elongated projection, which protrudes on opposite sides from a plate plane of the separator plate and extends along the plate plane from an outer edge to an interior of the separator plate so that the projection of the first plate and/or the projection of the second plate, if necessary together, form a receptacle for a connector pin. The projection of the first plate or the projection of the second plate includes an indentation directed toward the respective opposite plate for fixing the connector pin in the receptacle in a force-fit and/or form-locked manner.Type: GrantFiled: September 26, 2019Date of Patent: April 23, 2024Assignee: REINZ-DICHTUNGS-GMBHInventors: Ahmet Oruc, Thomas Stoehr
-
Publication number: 20240014411Abstract: The present disclosure relates to a packaging arrangement comprising a base plate, at least one first bolt secured to the base plate and a multiplicity of separator plates for an electrochemical system, which are stacked on the base plate in a stacking direction so as to form a separator plate stack, wherein the first bolt is received in first cut-outs of the stacked separator plates, said first cut-outs being aligned in the stacking direction. The present disclosure further relates to a packaging system including a light-load carrier and two of the aforementioned packaging arrangements, and to a method for packaging separator plates for an electrochemical system.Type: ApplicationFiled: July 7, 2023Publication date: January 11, 2024Inventors: Thomas STOEHR, Rachel BRODIAK, Benedicto TORRUBIAS
-
Publication number: 20230058717Abstract: A separator plate for an electrochemical system, comprising a first and a second metal layer arranged with flat sides adjacent to each other. The first and the second metal layer each having at least one through-opening for supplying and/or discharging a fluid. Circumferential edges of the through-openings are formed at least in part by a half-bead. An open edge of the half-bead is angled so as to form a collar.Type: ApplicationFiled: August 18, 2022Publication date: February 23, 2023Inventors: Rainer GLUECK, Thomas KINDER, Horst GEHRING, Thomas STOEHR
-
Publication number: 20230054365Abstract: A separator plate comprising a metal layer. The metal layer having at least one bead and the at least one bead having two bead flanks. At least one of the bead flanks having segments with different angles to the plane of the metal layer.Type: ApplicationFiled: August 18, 2022Publication date: February 23, 2023Inventors: Andre SPEIDEL, Thomas STOEHR, Bernadette GRUENWALD, Claudia KUNZ, Ahmet ORUC, Bernd GAUGLER, Rainer GLUECK
-
Patent number: 11581564Abstract: An electrochemical system having two metallic separator plates, an electrochemical cell arranged between the separator plates and sealed by at least one sealing element, and fixing elements for fixing the separator plates. The fixing elements comprise at least two fixing elements which are designed as integral with the first or with the second separator plate, which differ from the at least one sealing element, are spaced apart from the at least one sealing element parallel to the plate planes of the separator plates, and project at least in sections beyond the plate planes of the separator plates in a stacking direction. The first fixing element is thereby supported on the second fixing element in such a way that the second fixing element prevents a displacement of the first separator plate relative to the second separator plate.Type: GrantFiled: December 19, 2018Date of Patent: February 14, 2023Assignee: Reinz-Dichtungs-GmbHInventors: Thomas Stoehr, Andre Speidel, Rainer Glueck
-
Patent number: 11493133Abstract: The present disclosure relates to a sealing assembly for sealing a space between a first machine element and a second machine element that is movable in relation to the first machine element. The first and second machine elements are arranged concentrically to each other. According to the invention, the sealing assembly is characterized in that it further comprises a conductive element that is used to establish an electrically conductive connection between the first and the second machine elements extending from the first machine element to the second machine element, and is mechanically connected at least in sections to the side of the seal facing away from the space to be sealed. The conductive element consists of an electrically conductive fiber fabric embedded in an elastomer matrix.Type: GrantFiled: January 11, 2019Date of Patent: November 8, 2022Assignee: Schaeffler Technologies AG & Co. KGInventors: Thomas Stöhr, Holger Mildenberger
-
Patent number: 11476472Abstract: The invention relates to a separator plate for an electrochemical system, comprising: at least one first through-opening for conducting a reaction medium through the separator plate; an active region having structures for guiding a reactor medium along a flat side of the separator plate; and a first sealing structure, surrounding the first through-opening, for sealing the first through-opening. The first sealing structure has a first passage for conducting a reaction medium through the first sealing structure, which passage points in a direction facing away from the active region. The invention also relates to a bipolar plate for an electrochemical system, which bipolar plate comprises the described separator plate.Type: GrantFiled: May 29, 2019Date of Patent: October 18, 2022Assignee: Reinz-Dichtungs-GmbHInventors: Thomas Stoehr, Andre Speidel
-
Patent number: 11430999Abstract: A separator plate for an electrochemical system is described. The separator plate may be used with a bipolar plate and for an electrochemical system comprising a plurality of bipolar plates. The separator plate may have a flow field and guiding structures for guiding a medium through the flow field. The guiding structures of the flow field have a mean height h1 determined perpendicularly to the planar surface plane of the plate. The separator plate may also have a contiguous, lowered transition region where medium flowing from a channel into the flow field, or from the flow field into the channel, flows through the transition region, wherein the transition region has a maximum height hmax determined perpendicularly to the planar surface plane of the plate, where applies: hmax?0.95·h1.Type: GrantFiled: December 18, 2017Date of Patent: August 30, 2022Assignee: REINZ-DICHTUNGS-GMBHInventors: Claudia Kunz, Joachim Scherer, Thomas Stoehr
-
Patent number: 11309551Abstract: The present invention relates to a separator plate for an electro-chemical system. The separator plate comprises: a first passage; an active region with structures for guiding a reaction medium along a first flat face of the separator plate and guiding a coolant along a rear face of the active region on the second flat face of the separator plate; a bead formed in the separator plate for sealing at least the active region; and barrier elements formed in the separator plate, which reduce or prevent a flow of reaction medium on the first flat face of the separator plate along the bead and past the active region. The separator plate fully encloses the first passage and the active region together and that at least one of the barrier elements is at least in parts sunk.Type: GrantFiled: May 30, 2018Date of Patent: April 19, 2022Assignee: Reinz-Dichtungs-GmbHInventors: Thomas Stöhr, Claudia Kunz
-
Publication number: 20220006105Abstract: The invention relates to a separator plate for an electrochemical system, comprising a first and a second plate, which are essentially congruently arranged on top of one another. The first and/or second plates furthermore include at least one elongated projection, which protrudes on opposite sides from a plate plane of the separator plate and extends along the plate plane from an outer edge to an interior of the separator plate so that the projection of the first plate and/or the projection of the second plate, if necessary together, form a receptacle for a connector pin. The projection of the first plate or the projection of the second plate includes an indentation directed toward the respective opposite plate for fixing the connector pin in the receptacle in a force-fit and/or form-locked manner.Type: ApplicationFiled: September 26, 2019Publication date: January 6, 2022Inventors: Ahmet ORUC, Thomas STOEHR
-
Patent number: 11069908Abstract: A flow plate for a humidifier, and to such a humidifier having a plurality of flow plates and water exchange membranes are described. The flow plate has a flow field with a plurality of free-standing support elements, wherein the support elements extend, at least in sections, perpendicular to the flat surface plane of the flow plate. Gas to be humidified or gas giving off moisture flows on the flow field. In the humidifier, the flow plates are arranged in a stack, wherein a membrane composite having at least one water exchange membrane is arranged between each pair of adjacent flow plates in the stack. The support elements improve the performance of the humidifier and therefore the number of flow plates can be reduced, making a lower-weight and space-saving design possible.Type: GrantFiled: September 22, 2017Date of Patent: July 20, 2021Assignee: REINZ-DICHTUNGS-GMBHInventors: Werner Buntz, Rainer Glueck, Andre Speidel, Thomas Stoehr
-
Publication number: 20210210769Abstract: The invention relates to a separator plate for an electrochemical system, comprising: at least one first through-opening for conducting a reaction medium through the separator plate; an active region having structures for guiding a reactor medium along a flat side of the separator plate; and a first sealing structure, surrounding the first through-opening, for sealing the first through-opening. The first sealing structure has a first passage for conducting a reaction medium through the first sealing structure, which passage points in a direction facing away from the active region. The invention also relates to a bipolar plate for an electrochemical system, which bipolar plate comprises the described separator plate.Type: ApplicationFiled: May 29, 2019Publication date: July 8, 2021Inventors: Thomas STOEHR, Andre SPEIDEL
-
Publication number: 20210210773Abstract: A separator plate for an electrochemical system has two metal individual plates. The plates have passage openings for operating media and possibly coolant, and distribution structures. The distribution structures are formed in the metal individual plates and which each communicate with at least two of the passage openings. A peripherally extending sealing structure is formed in each of the metal individual plates at least peripherally around the electrochemically active region and at a distance therefrom and/or peripherally around at least one of the passage openings and at a distance from the edge thereof. The cross-section of the sealing structure has a bead roof, two bead flanks, and at least in some segments, two bead feet. At least in the region of the bead roof of the sealing structure at least in some segments, the sealing structure extends sinuously with at least two wave periods having convex and concave segments.Type: ApplicationFiled: January 14, 2021Publication date: July 8, 2021Inventors: Thomas STOEHR, Claudia KUNZ, Stephan WENZEL
-
Patent number: 11024858Abstract: A separator plate for an electrochemical system has two metal individual plates. The plates have passage openings for operating media and possibly coolant, and distribution structures. The distribution structures are formed in the metal individual plates and which each communicate with at least two of the passage openings. A peripherally extending sealing structure is formed in each of the metal individual plates at least peripherally around the electrochemically active region and at a distance therefrom and/or peripherally around at least one of the passage openings and at a distance from the edge thereof. The cross-section of the sealing structure has a bead roof, two bead flanks, and at least in some segments, two bead feet. At least in the region of the bead roof of the sealing structure at least in some segments, the sealing structure extends sinuously with at least two wave periods having convex and concave segments.Type: GrantFiled: October 16, 2015Date of Patent: June 1, 2021Assignee: REINZ-DICHTUNGS-GMBHInventors: Thomas Stoehr, Claudia Kunz, Stephan Wenzel
-
Publication number: 20210075050Abstract: An electrochemical system having two metallic separator plates, an electrochemical cell arranged between the separator plates and sealed by at least one sealing element, and fixing elements for fixing the separator plates. The fixing elements comprise at least two fixing elements which are designed as integral with the first or with the second separator plate, which differ from the at least one sealing element, are spaced apart from the at least one sealing element parallel to the plate planes of the separator plates, and project at least in sections beyond the plate planes of the separator plates in a stacking direction. The first fixing element is thereby supported on the second fixing element in such a way that the second fixing element prevents a displacement of the first separator plate relative to the second separator plate.Type: ApplicationFiled: December 19, 2018Publication date: March 11, 2021Inventors: Thomas STOEHR, Andre SPEIDEL, Rainer GLUECK
-
Publication number: 20210040785Abstract: A drive apparatus for a closure element of a motor vehicle, including a tube defining an axis, a spindle disposed within the tube and configured to translate along the axis from an extended position to a first retracted position and a second retracted position, a spindle nut disposed within the tube and operatively engaged to the spindle, a stop nut fixed to the spindle, and a damping element disposed between the spindle nut and the stop nut. The tube defines a first end stop face and the stop nut defines a second end stop face, and when the spindle is in the first retracted position, the damping element engages the first end stop face and is spaced apart from the stop nut.Type: ApplicationFiled: November 8, 2018Publication date: February 11, 2021Applicant: Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, BambergInventors: Michael WITTELSBÜRGER, Thomas STÖHR, Rainer JARAND, Marco SCHRAMM, Andreas WEIGAND, Alwin MACHT, Harald KRÜGER, Mattias FISCHER
-
Publication number: 20210003220Abstract: The present disclosure relates to a sealing assembly for sealing a space between a first machine element and a second machine element that is movable in relation to the first machine element. The first and second machine elements are arranged concentrically to each other. According to the invention, the sealing assembly is characterized in that it further comprises a conductive element that is used to establish an electrically conductive connection between the first and the second machine elements extending from the first machine element to the second machine element, and is mechanically connected at least in sections to the side of the seal facing away from the space to be sealed. The conductive element consists of an electrically conductive fiber fabric embedded in an elastomer matrix.Type: ApplicationFiled: January 11, 2019Publication date: January 7, 2021Applicant: Schaeffler Technologies AG & Co. KGInventors: Thomas Stöhr, Holger Mildenberger
-
Publication number: 20200153000Abstract: The present invention relates to a separator plate for an electro-chemical system. The separator plate comprises: a first passage; an active region with structures for guiding a reaction medium along a first flat face of the separator plate and guiding a coolant along a rear face of the active region on the second flat face of the separator plate; a bead formed in the separator plate for sealing at least the active region; and barrier elements formed in the separator plate, which reduce or prevent a flow of reaction medium on the first flat face of the separator plate along the bead and past the active region. The separator plate fully encloses the first passage and the active region together and that at least one of the barrier elements is at least in parts sunk.Type: ApplicationFiled: May 30, 2018Publication date: May 14, 2020Inventors: Thomas STÖHR, Claudia KUNZ
-
Publication number: 20190319279Abstract: A separator plate for an electrochemical system is described. The separator plate may be used with a bipolar plate and for an electrochemical system comprising a plurality of bipolar plates. The separator plate may have a flow field and guiding structures for guiding a medium through the flow field. The guiding structures of the flow field have a mean height h1 determined perpendicularly to the planar surface plane of the plate. The separator plate may also have a contiguous, lowered transition region where medium flowing from a channel into the flow field, or from the flow field into the channel, flows through the transition region, wherein the transition region has a maximum height hmax determined perpendicularly to the planar surface plane of the plate, where applies: hmax?0.95·h1.Type: ApplicationFiled: December 18, 2017Publication date: October 17, 2019Inventors: CLAUDIA KUNZ, JOACHIM SCHERER, THOMAS STOEHR
-
Publication number: 20190260044Abstract: A flow plate for a humidifier, and to such a humidifier having a plurality of flow plates and water exchange membranes are described. The flow plate has a flow field with a plurality of free-standing support elements, wherein the support elements extend, at least in sections, perpendicular to the flat surface plane of the flow plate. Gas to be humidified or gas giving off moisture flows on the flow field. In the humidifier, the flow plates are arranged in a stack, wherein a membrane composite having at least one water exchange membrane is arranged between each pair of adjacent flow plates in the stack. The support elements improve the performance of the humidifier and therefore the number of flow plates can be reduced, making a lower-weight and space-saving design possible.Type: ApplicationFiled: September 22, 2017Publication date: August 22, 2019Inventors: WERNER BUNTZ, RAINER GLUECK, ANDRE SPEIDEL, THOMAS STOEHR