Patents by Inventor Siegfried Stefani
Siegfried Stefani 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: 20230057122Abstract: The present invention relates to a wiping device for a detection system of a vehicle, including a wiper blade, a wiper arm, a motor unit and a drive unit. The drive unit includes a guidance block which carries the wiper arm, and which is inserted in a guidance frame, and a plurality of belt wheels. At least one drive belt wheel is driven in a rotational motion by the motor unit. The drive unit further includes a belt which is driven by the belt wheels and moves the guidance block according to a rectilinear motion.Type: ApplicationFiled: January 11, 2021Publication date: February 23, 2023Applicant: VALEO SYSTEMES D'ESSUYAGEInventor: Siegfried STEFANI
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Patent number: 11088590Abstract: The invention relates to a connection unit (20; 20a) for a wiper motor (100) for windshield wiper systems, with a plug connector element (22) for the reception of electric connection lines (24), which are formed for the at least indirect contacting of a commutator (6) of an electric motor (1), and with a carrier element (26; 26a) in which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged.Type: GrantFiled: December 14, 2016Date of Patent: August 10, 2021Assignee: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Christof Heuberger, Harald Kapitza, David Rignault
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Patent number: 11043873Abstract: The invention relates to a connection unit (20) for a wiper motor (100) for windshield wiper systems with a plug connector element (22) for receiving electric connection lines (24) which are configured for the at least indirect contacting of a commutator (6) of an electric motor (1), with a carrier element (26) on which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged, and with a carbon brush holder plate (30), wherein the carrier element (26) is formed as a pre-mountable construction unit (32) with the carbon brush holder plate (30) formed as separate component.Type: GrantFiled: December 14, 2016Date of Patent: June 22, 2021Assignee: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Christof Heuberger, Harald Kapitza, David Rignault
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Patent number: 10960853Abstract: The invention relates to a wiper motor (10) with a shaft (30) for driving a wiper arm (1), wherein the shaft (30) projects through an opening (31) of a housing (15) and in the region of the opening (31) is mounted radially in a bore (55) of at least one substantially sleeve-shaped element (40), and wherein the sleeve-shaped element (40) is fixed at least axially in the region of the housing (15). According to the invention, it is provided that the sleeve-shaped element (40) has at least two different cross-sections (41, 42), a first cross-section (41) which is designed to protrude axially through the opening (31) and a second cross-section (42) which is designed to be accommodated in an axially fixed manner within said opening (31).Type: GrantFiled: December 16, 2016Date of Patent: March 30, 2021Assignee: Valeo Systèmes d'EssuyageInventors: Harald Kapitza, Siegfried Stefani
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Patent number: 10923985Abstract: The invention relates to a wiper motor (10), with a shaft (28) for driving a wiper arm (1), wherein the shaft (28) projects through an opening (29) of a housing (15) and wherein in the region of the opening (29) the shaft (28) is mounted radially in a bore in an at least substantially sleeve-shaped element (30; 30a), wherein the sleeve-shaped element (30; 30a) is fixed at least axially in the region of the housing (15), and wherein the sleeve-shaped element (30; 30a) has at least two different cross-sections (33; 33a, 34), a first cross-section (33; 33a) which is designed to protrude axially at least through the opening (29) and a second cross-section (34) which is designed to be axially fixed within said opening (29) or within a receiving space (25) of said housing (15).Type: GrantFiled: December 12, 2017Date of Patent: February 16, 2021Assignee: Valeo Systèmes d'EssuyageInventor: Siegfried Stefani
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Patent number: 10882494Abstract: The invention relates to a wiper motor (10), with an output shaft (11) which rotates in exclusively one direction (12) and is designed at least indirectly to move at least one wiper blade (1) between two reversal positions (A, B). According to the invention, it is provided that the wiper motor (10) has means (30) which are designed at least indirectly to activate a pump (25) for conveying a cleaning fluid in such a manner that cleaning fluid can be applied to a vehicle window (2) exclusively in front of the wiper blade (1) in the respective wiping direction.Type: GrantFiled: December 16, 2015Date of Patent: January 5, 2021Assignee: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Jörg Bürkle
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Publication number: 20200290569Abstract: The invention relates to a connection unit (20; 20a) for a wiper motor (100) for windshield wiper systems, with a plug connector element (22) for the reception of electric connection lines (24), which are formed for the at least indirect contacting of a commutator (6) of an electric motor (1), and with a carrier element (26; 26a) in which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged.Type: ApplicationFiled: December 14, 2016Publication date: September 17, 2020Applicant: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Christof Heuberger, Harald Kapitza, David Rignault
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Patent number: 10686271Abstract: The invention concerns a contact element (10; 10a) for forming an electric connection (1) with a counterpart element (50), wherein the contact element (10; 0a) has at least two sections (12; 12a, 13; 13a) with respectively at least one contact region (21; 21a, 22; 22a, 22b; 23; 23a), wherein the sections (12; 12a, 13; 3a) are constructed to bear against the counterpart element (50) under elastic pre-stress, and wherein the at least two contact regions (21; 21a, 22; 22a, 22b; 23; 23a) are arranged on mutually facing sides of the sections (12; 12a, 13; 13a) with respect to a longitudinal plane (25) of the contact element (10; 10a) defined by two axes (X, Y) arranged perpendicular to each other.Type: GrantFiled: April 28, 2017Date of Patent: June 16, 2020Assignee: Valeo Systèmes d'EssuyageInventors: Michael Schaeuble, Harald Kapitza, Karl-Heinz Susser, Siegfried Stefani, Markus Stubbe
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Patent number: 10641339Abstract: The invention relates to a securing element (1; 1a) for a bearing device (50) in a housing (20) of a drive device (10), wherein the plate-like securing element (1; 1a) has two side legs (34, 35) and a base leg (36) which connects the side legs (34, 35), wherein, between the base leg (36) and the side legs (34, 35), there is formed a cutout (38) for receiving a shaft (12) which is mounted rotatably in a bearing (15), wherein the two side legs (34, 35) are designed to interact, by means of a first face side (21), with the bearing (15) and, by means of a second face side (23), with a stop surface (33) in the housing (20).Type: GrantFiled: December 21, 2018Date of Patent: May 5, 2020Assignee: Valeo Systèmes d'EssuyageInventors: Christof Heuberger, Siegfried Stefani
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Publication number: 20200099186Abstract: The invention relates to a carbon holder plate for an electric motor, comprising a guide element for a carbon brush, wherein the carbon brush is longitudinally displaceable arranged in the guide element in the direction of a longitudinal axis of the carbon brush, a first end face of the carbon brush, which is designed to rest against a collector of the electric motor, a second end face located opposite the first end face, against which in an operational state, a spring element rests under spring tension in order to press the carbon brush in the direction of the collector, and a device for positioning the first end face of the carbon brush in a mounting position of the carbon holder plate at a distance from the collector.Type: ApplicationFiled: May 15, 2018Publication date: March 26, 2020Inventor: Siegfried Stefani
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Publication number: 20190211878Abstract: The invention relates to a securing element (1; 1a) for a bearing device (50) in a housing (20) of a drive device (10), wherein the plate-like securing element (1; 1a) has two side legs (34, 35) and a base leg (36) which connects the side legs (34, 35), wherein, between the base leg (36) and the side legs (34, 35), there is formed a cutout (38) for receiving a shaft (12) which is mounted rotatably in a bearing (15), wherein the two side legs (34, 35) are designed to interact, by means of a first face side (21), with the bearing (15) and, by means of a second face side (23), with a stop surface (33) in the housing (20).Type: ApplicationFiled: December 21, 2018Publication date: July 11, 2019Applicant: Valeo Systèmes d'EssuyageInventors: Christof Heuberger, Siegfried Stefani
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Patent number: 10308226Abstract: The invention relates to a wiper motor (10) for the cleaning of vehicle windows, with an output element (17) rotatable about an axis (19), wherein in the output element (17) at a distance (a) the first axis (19) a bearing mount (25) is constructed for a drive lever (30) for driving a wiper shaft (11), wherein the wiper shaft (11) is pivotably mounted in a further axis (16) arranged at least substantially parallel to the axis (19) of the output element (17), and wherein the drive lever (30) is received with an extension (35) in a clamping manner in the bearing mount (25) and extends at least substantially in a plane arranged perpendicularly to the axes (16, 19). According to the invention, it is provided that the extension (35) has a fastening region (36) in the shape of a spherical segment, which cooperates with the bearing mount (25), and that the extension (35) is pivot able about a center point of the fastening region (36).Type: GrantFiled: May 30, 2016Date of Patent: June 4, 2019Assignee: Valeo Wischersysteme GmbHInventors: Christof Heuberger, Siegfried Stefani, Markus Stubbe
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Publication number: 20190148866Abstract: The invention concerns a contact element (10; 10a) for forming an electric connection (1) with a counterpart element (50), wherein the contact element (10; 0a) has at least two sections (12; 12a, 13; 13a) with respectively at least one contact region (21; 21a, 22; 22a, 22b; 23; 23a), wherein the sections (12; 12a, 13; 3a) are constructed to bear against the counterpart element (50) under elastic pre-stress, and wherein the at least two contact regions (21; 21a, 22; 22a, 22b; 23; 23a) are arranged on mutually facing sides of the sections (12; 12a, 13; 13a) with respect to a longitudinal plane (25) of the contact element (10; 10a) defined by two axes (X, Y) arranged perpendicular to each other.Type: ApplicationFiled: April 28, 2017Publication date: May 16, 2019Applicant: Valeo Systèmes d'EssuyageInventors: Michael Schaeuble, Harald Kapitza, Karl-Heinz Susser, Siegfried Stefani, Markus Stubbe
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Publication number: 20180375401Abstract: The invention relates to a connection unit (20) for a wiper motor (100) for windshield wiper systems with a plug connector element (22) for receiving electric connection lines (24) which are configured for the at least indirect contacting of a commutator (6) of an electric motor (1), with a carrier element (26) on which connection elements (40) for contacting the commutator (6) and/or at least one component of an electric circuit are arranged, and with a carbon brush holder plate (30), wherein the carrier element (26) is formed as a pre-mountable construction unit (32) with the carbon brush holder plate (30) formed as separate component.Type: ApplicationFiled: December 14, 2016Publication date: December 27, 2018Applicant: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Christof Heuberger, Harald Kapitza, David Rignault
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Publication number: 20180370493Abstract: The invention relates to a wiper motor (10) with a shaft (30) for driving a wiper arm (1), wherein the shaft (30) projects through an opening (31) of a housing (15) and in the region of the opening (31) is mounted radially in a bore (55) of at least one substantially sleeve-shaped element (40), and wherein the sleeve-shaped element (40) is fixed at least axially in the region of the housing (15). According to the invention, it is provided that the sleeve-shaped element (40) has at least two different cross-sections (41, 42), a first cross-section (41) which is designed to protrude axially through the opening (31) and a second cross-section (42) which is designed to be accommodated in an axially fixed manner within said opening (31).Type: ApplicationFiled: December 16, 2016Publication date: December 27, 2018Applicant: Valeo Systèmes d'EssuyageInventors: Harald Kapitza, Siegfried Stefani
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Publication number: 20180166944Abstract: The invention relates to a wiper motor (10), with a shaft (28) for driving a wiper arm (1), wherein the shaft (28) projects through an opening (29) of a housing (15) and wherein in the region of the opening (29) the shaft (28) is mounted radially in a bore in an at least substantially sleeve-shaped element (30; 30a), wherein the sleeve-shaped element (30; 30a) is fixed at least axially in the region of the housing (15), and wherein the sleeve-shaped element (30; 30a) has at least two different cross-sections (33; 33a, 34), a first cross-section (33; 33a) which is designed to protrude axially at least through the opening (29) and a second cross-section (34) which is designed to be axially fixed within said opening (29) or within a receiving space (25) of said housing (15).Type: ApplicationFiled: December 12, 2017Publication date: June 14, 2018Applicant: Valeo Systèmes d'EssuyageInventor: Siegfried Stefani
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Publication number: 20180162324Abstract: The invention relates to a wiper motor (10) for the cleaning of vehicle windows, with an output element (17) rotatable about an axis (19), wherein in the output element (17) at a distance (a) the first axis (19) a bearing mount (25) is constructed for a drive lever (30) for driving a wiper shaft (11), wherein the wiper shaft (11) is pivotably mounted in a further axis (16) arranged at least substantially parallel to the axis (19) of the output element (17), and wherein the drive lever (30) is received with an extension (35) in a clamping manner in the bearing mount (25) and extends at least substantially in a plane arranged perpendicularly to the axes (16, 19). According to the invention, it is provided that the extension (35) has a fastening region (36) in the shape of a spherical segment, which cooperates with the bearing mount (25), and that the extension (35) is pivot able about a centre point of the fastening region (36).Type: ApplicationFiled: May 30, 2016Publication date: June 14, 2018Applicant: Valeo Wischersysteme GmbHInventors: Christof Heuberger, Siegfried Stefani, Markus Stubbe
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Patent number: 9991768Abstract: A windscreen wiper motor with a housing is disclosed. In the housing, an armature shaft is arranged with a commutator which cooperates with carbon elements arranged in the region of a carbon holder plate, which elements are connected in an electrically conducting manner with voltage supply lines via electrical connections, preferably in the form of carbon strands. The voltage supply lines are connected with the electrical connections via a suppression device arranged at least substantially in a suppression housing, which is connected with the carbon holder plate, and the voltage supply lines are connected with at least one plug connection element, which is able to be connected to a plug connection region of the housing with mating plug connectors on the vehicle side.Type: GrantFiled: March 28, 2013Date of Patent: June 5, 2018Assignee: Valeo Wischersysteme GmbHInventors: Bernd Schmid, Jörg Bürkle, Siegfried Stefani, Timo Rukwid
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Patent number: 9905984Abstract: A windscreen wiper motor with a housing is disclosed. In the housing, an armature shaft with a commutator is arranged, which cooperates with carbon elements arranged in the region of a carbon holder plate in carbon holder elements, which carbon elements are connected via electrical connections, in the form of strands, in an electrically conducting manner with voltage supply lines. An electrical connection and a voltage supply line are in a fixed manner in their respective end region in respectively a clamping holder element, where the clamping holder element is part of the carbon holder element.Type: GrantFiled: March 28, 2013Date of Patent: February 27, 2018Assignee: Valeo Wischersysteme GmbHInventors: Christof Heuberger, Siegfried Stefani, Werner Hartmann
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Publication number: 20170259787Abstract: The invention relates to a wiper motor (10), with an output shaft (11) which rotates in exclusively one direction (12) and is designed at least indirectly to move at least one wiper blade (1) between two reversal positions (A, B). According to the invention, it is provided that the wiper motor (10) has means (30) which are designed at least indirectly to activate a pump (25) for conveying a cleaning fluid in such a manner that cleaning fluid can be applied to a vehicle window (2) exclusively in front of the wiper blade (1) in the respective wiping direction.Type: ApplicationFiled: December 16, 2015Publication date: September 14, 2017Applicant: Valeo Systèmes d'EssuyageInventors: Siegfried Stefani, Jörg Bürkle