Patents by Inventor Rolf Wittmann
Rolf Wittmann 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: 20220368065Abstract: A plug connector for connecting to a mating plug connector along an insertion direction. The plug connector includes a housing including an interior and a contact element situated in the interior. The plug connector further includes a connector position assurance. The housing includes a pressure equalization element for equalizing the pressure of the interior with respect to the exterior of the housing. The CPA is situated at the housing and is movable between a first position and a second position relative to the housing, a sealing element being provided at CPA, the pressure equalization element being sealed with respect to the exterior by the sealing element in the second position.Type: ApplicationFiled: June 18, 2020Publication date: November 17, 2022Inventor: Rolf Wittmann
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Publication number: 20220271459Abstract: A contact element for inserting a mating contact element along an insertion direction. The contact element includes an insertion opening for inserting the mating contact element and at least one contact lamella for electrically contacting the mating contact element, and a clamping sleeve that is displaceable along the insertion direction, relative to the at least one contact lamella, between a first position and a second position. The clamping sleeve and the contact lamella are in an operational relationship with one another such that when the clamping sleeve moves from the first position into the second position, the contact lamella is moved in a radial direction perpendicular to the insertion direction. The clamping sleeve includes a run-up element, which in a projection along the insertion direction through the insertion opening at least partially covers the insertion opening.Type: ApplicationFiled: June 18, 2020Publication date: August 25, 2022Inventor: Rolf Wittmann
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Patent number: 11024997Abstract: An electrical plug contact for high-current applications. The plug contact encompasses a housing that extends along a longitudinal axis and an interior space for receiving a single counterpart contact element. The plug contact encompasses a cable having a plurality of strands, the cable being guided from an exterior space of the housing into the interior space and being fastened thereon. The cable has an end in the interior space, the cable having, adjacently to the end, a damping portion in which the cable is split into a plurality of separate conductors; a plurality of contacting elements, each of which is arranged suitable for electrically and mechanically contacting the single counterpart contact element, each of which is secured on a corresponding one of at least two of the conductor strands, so that each conductor strand is connected to one contact element, and so that each conductor strand is at the same electrical potential.Type: GrantFiled: July 31, 2018Date of Patent: June 1, 2021Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Patent number: 10784628Abstract: An electrical plug connector. The electrical plug connector has: a connector housing for accommodating at least one electrical cable that extends along an axial direction; a shielding plate that completely encloses the connector housing in a circumferential direction around the axial direction. The connector housing has, on an external surface, a play-limiting element for limiting a degree of play in the state plugged together with the mating plug connector. The shielding plate has an opening, the play-limiting element protruding from the connector housing and extending through the opening of the shielding plate and/or the play-limiting element being fashioned as a connector housing opening in the connector housing and being adjacent to the opening.Type: GrantFiled: January 24, 2019Date of Patent: September 22, 2020Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Publication number: 20200243996Abstract: An electrical plug contact for high-current applications. The plug contact encompasses a housing that extends along a longitudinal axis and has an interior space for reception of a counterpart contact element. The plug contact further encompasses a cable that is constituted from a plurality of strands, the cable being guided from an exterior space of the housing into the interior space of the housing and being fastened on the housing. The cable has an end in the interior space, the cable having, adjacently to the end, a damping portion in which the cable is split into a plurality of separate conductors; a contacting element, which is suitable for electrical and mechanical contacting of the counterpart contact element, being secured on at least two conductors.Type: ApplicationFiled: July 31, 2018Publication date: July 30, 2020Inventor: Rolf Wittmann
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Patent number: 10665994Abstract: A multiple-contact plug and a plug connector system equipped therewith are described. The multiple-contact plug has a plug housing having contact receiving chambers and a plurality of contacts that are each inserted into one of the contact receiving chambers. The contacts are each formed having a contact base body and an elastically deflectable primary lance protruding laterally from this contact base body, which lance is elastically reversibly deflectable from an outward-protruding position into a position deflected toward the contact base body. The multiple-contact plug in addition has at least one short-circuit jumper element. Electrically conductive contact surfaces of the short-circuit jumper element are situated in at least two of the contact receiving chambers and are electrically conductively connected.Type: GrantFiled: July 28, 2017Date of Patent: May 26, 2020Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Patent number: 10511124Abstract: An electrical plug connection includes a plug including a housing with a plurality of electrical plug contacts and including an operating element moveably fastened on the housing and including a sliding track that includes first and second sections oriented such that plugging the plug into the plug module or detaching the plug from the plug module is carried out by two movements of the operating element that are in two opposite movement directions; and a plug module with a plurality of complementary plug contacts that electrically contact the electrical plug contacts in a plugged-in position and attached to a pin that is guided in the track. During a movement of the operating element relative to the housing, a force is transmittable from the sliding track to the pin so that the plug and plug module move toward each other or move away from each other.Type: GrantFiled: January 23, 2017Date of Patent: December 17, 2019Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Patent number: 10446980Abstract: A plug includes: a housing with a plurality of electrical plug contacts that electrically contact complementary plug contacts of a plugging module in a completely plugged-on position; and a slider movably attached to the housing, including first and second gear rack segments, and configured to engage with the plugging module such that, in response to a movement of the slider relative to the housing, a force is transmitted by the slider to the plugging module by which the plug and plugging module move towards each other or away from each other. A lever is rotationally mounted to the housing so that, responsive to a movement of the lever in one direction, the gear meshes with the first gear rack segment moving the slider in a first movement direction, and subsequently meshes with the second gear rack segment moving the slider in a second opposite movement direction.Type: GrantFiled: January 23, 2017Date of Patent: October 15, 2019Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Publication number: 20190229474Abstract: A multiple-contact plug and a plug connector system equipped therewith are described. The multiple-contact plug has a plug housing having contact receiving chambers and a plurality of contacts that are each inserted into one of the contact receiving chambers. The contacts are each formed having a contact base body and an elastically deflectable primary lance protruding laterally from this contact base body, which lance is elastically reversibly deflectable from an outward-protruding position into a position deflected toward the contact base body. The multiple-contact plug in addition has at least one short-circuit jumper element. Electrically conductive contact surfaces of the short-circuit jumper element are situated in at least two of the contact receiving chambers and are electrically conductively connected.Type: ApplicationFiled: July 28, 2017Publication date: July 25, 2019Inventor: Rolf Wittmann
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Publication number: 20190229469Abstract: An electrical plug connector. The electrical plug connector has: a connector housing for accommodating at least one electrical cable that extends along an axial direction; a shielding plate that completely encloses the connector housing in a circumferential direction around the axial direction. The connector housing has, on an external surface, a play-limiting element for limiting a degree of play in the state plugged together with the mating plug connector. The shielding plate has an opening, the play-limiting element protruding from the connector housing and extending through the opening of the shielding plate and/or the play-limiting element being fashioned as a connector housing opening in the connector housing and being adjacent to the opening.Type: ApplicationFiled: January 24, 2019Publication date: July 25, 2019Inventor: Rolf Wittmann
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Publication number: 20190044280Abstract: An electrical plug connection includes a plug including a housing with a plurality of electrical plug contacts and including an operating element moveably fastened on the housing and including a sliding track that includes first and second sections oriented such that plugging the plug into the plug module or detaching the plug from the plug module is carried out by two movements of the operating element that are in two opposite movement directions; and a plug module with a plurality of complementary plug contacts that electrically contact the electrical plug contacts in a plugged-in position and attached to a pin that is guided in the track. During a movement of the operating element relative to the housing, a force is transmittable from the sliding track to the pin so that the plug and plug module move toward each other or move away from each other.Type: ApplicationFiled: January 23, 2017Publication date: February 7, 2019Inventor: Rolf Wittmann
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Publication number: 20190036273Abstract: A plug includes: a housing with a plurality of electrical plug contacts that electrically contact complementary plug contacts of a plugging module in a completely plugged-on position; and a slider movably attached to the housing, including first and second gear rack segments, and configured to engage with the plugging module such that, in response to a movement of the slider relative to the housing, a force is transmitted by the slider to the plugging module by which the plug and plugging module move towards each other or away from each other. A lever is rotationally mounted to the housing so that, responsive to a movement of the lever in one direction, the gear meshes with the first gear rack segment moving the slider in a first movement direction, and subsequently meshes with the second gear rack segment moving the slider in a second opposite movement direction.Type: ApplicationFiled: January 23, 2017Publication date: January 31, 2019Inventor: Rolf Wittmann
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Patent number: 9761984Abstract: A contact element. The contact element has a contact body extending along a longitudinal axis and a cable holder connected to the contact body and extending along the longitudinal axis, wherein the cable holder has at least one retaining section for fixing a cable to the cable holder. The contact element additionally has a protective element. In order to prevent the protruding strands of the cable from damaging the sealing mat when inserting the contact element through the sealing mat, the protective element is displaceable along the longitudinal axis from a first position into a second position, wherein the protective element covers the cable holder in the second position. A method for producing a contact-element/cable arrangement is also described.Type: GrantFiled: March 13, 2015Date of Patent: September 12, 2017Assignee: Robert Bosch GmbHInventor: Rolf Wittmann
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Publication number: 20170062967Abstract: A contact element. The contact element has a contact body extending along a longitudinal axis and a cable holder connected to the contact body and extending along the longitudinal axis, wherein the cable holder has at least one retaining section for fixing a cable to the cable holder. The contact element additionally has a protective element. In order to prevent the protruding strands of the cable from damaging the sealing mat when inserting the contact element through the sealing mat, the protective element is displaceable along the longitudinal axis from a first position into a second position, wherein the protective element covers the cable holder in the second position. A method for producing a contact-element/cable arrangement is also described.Type: ApplicationFiled: March 13, 2015Publication date: March 2, 2017Inventor: Rolf Wittmann
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Publication number: 20160372854Abstract: A plug connector assembly for establishing an electrical plug connection, the plug connector assembly including a contact carrier and a contact. The contact is insertable into the contact carrier in a plug-in direction and extends along a longitudinal axis. It has a contact section and a connecting neck section. The contact section including a contact latching element, which includes a protrusion transverse to the longitudinal axis and is, in particular, immovable in relation to the contact section. The contact carrier includes a contact carrier housing having a chamber for receiving the contact section of the contact. The chamber includes a first inner wall generally in parallel to the plug-in direction, a contact carrier latching element, provided adjacent to the first inner wall generally transverse to the plug-in direction, which includes a contact carrier latching surface, and a second inner wall opposite the first inner wall.Type: ApplicationFiled: June 15, 2016Publication date: December 22, 2016Inventors: Ulrich Schmatz, Martin Saur, Zhenyu Hu, Wolfgang Pade, Rolf Wittmann
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Patent number: 9219324Abstract: A connector is described for establishing an electrical connection to a plug. The connector has a housing having an inner surface and a plurality of contact chambers. Each contact chamber is designed to establish an electrical connection with respectively one plug contact of the plug. A contact chamber has an outer surface and is designed to be movable in one direction parallel to an insertion direction of the plug in order to assume an inserted state or an extended state.Type: GrantFiled: September 10, 2013Date of Patent: December 22, 2015Assignee: ROBERT BOSCH GMBHInventor: Rolf Wittmann
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Patent number: 9130294Abstract: A contact is provided for latching in a contact chamber of a plug connection element. The contact has a contact box having an upper wall, a lower wall, and two opposing side walls. A primary locking lance protrudes resiliently diagonally outward from the upper wall. To protect the primary locking lance against harmful plastic deformations due to externally attacking forces, at least one of the side walls, in an area laterally adjoining the primary locking lance, is configured to protrude outward beyond a plane of the upper wall. An outside edge is bent toward the primary locking lance, so that it overlaps a side edge of the primary locking lance so that it counteracts outward bending of the primary locking lance in a form-locked manner.Type: GrantFiled: October 1, 2013Date of Patent: September 8, 2015Assignee: ROBERT BOSCH GMBHInventors: Ulrich Schmatz, Rolf Wittmann
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Publication number: 20140099841Abstract: A contact is provided for latching in a contact chamber of a plug connection element. The contact has a contact box haying an upper wall, a lower wall, and two opposing side walls. A primary locking lance protrudes resiliently diagonally outward from the upper wall. To protect the primary locking lance against harmful plastic deformations due to externally attacking forces, at least one of the side walls, in an area laterally adjoining the primary locking lance, is configured to protrude outward beyond a plane of the upper wall. An outside edge is bent toward the primary locking lance, so that it overlaps a side edge of the primary locking lance so that it counteracts outward bending of the primary locking lance in a form-locked manner.Type: ApplicationFiled: October 1, 2013Publication date: April 10, 2014Applicant: Robert Bosch GmbHInventors: Ulrich SCHMATZ, Rolf WITTMANN
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Publication number: 20140073192Abstract: A connector is described for establishing an electrical connection to a plug. The connector has a housing having an inner surface and a plurality of contact chambers. Each contact chamber is designed to establish an electrical connection with respectively one plug contact of the plug. A contact chamber has an outer surface and is designed to be movable in one direction parallel to an insertion direction of the plug in order to assume an inserted state or an extended state.Type: ApplicationFiled: September 10, 2013Publication date: March 13, 2014Applicant: ROBERT BOSCH GMBHInventor: Rolf Wittmann
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Patent number: 7938691Abstract: Unipolar or multipolar electrical plug connectors include contact carriers having contact chambers, into which contact elements can be inserted. These contact elements latch with so-called snap-on lances. In the present SYSTEM, the latching is produced by a part of the contact element with a snap-on lance, a smooth outer geometry of the contact element being present in the assembled state, but by latching of a non-resilient snap-on lance within the contact chamber. Consequently, the advantages of the snap-on lance locking mechanism unite with those of the clean-body construction.Type: GrantFiled: September 12, 2006Date of Patent: May 10, 2011Assignee: Robert Bosch GmbHInventor: Rolf Wittmann