Patents by Inventor Claudius Muschelknautz
Claudius Muschelknautz 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: 11927192Abstract: A pump apparatus has a rotor shaft, a pump impeller connected to the rotor shaft, at least one axial bearing which rotatably supports the rotor shaft at a side facing the pump impeller, a magnetic pump stator, a magnetic pump rotor which is connected to the rotor shaft, a containment can which extends between the stator and the rotor, and at least one central support element which is mounted in the region of the pump impeller. The pump apparatus has an elastomer disk which is arranged between the support element and the axial bearing. The stator and the rotor are arranged with an axial offset with respect to each other. The stator and the rotor are provided as a result of the axial offset to produce an axial force F in the direction of the elastomer disk.Type: GrantFiled: July 11, 2022Date of Patent: March 12, 2024Assignee: Robert Bosch GmbHInventors: Johannes Walter, Claudius Muschelknautz, Gerald Zierer, Hannes Butscher, Pierre Werny, Ralf Herrmann, Thomas Eckerle
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Publication number: 20230019571Abstract: The invention is based on a pump apparatus, in particular a magnetic coupling pump apparatus, having a rotor shaft (16), having a pump impeller (22) which is securely connected to the rotor shaft (16), having at least one axial bearing (18) which rotatably supports the rotor shaft (16) at a side facing the pump impeller (22), having a magnetic pump stator (42), having a magnetic pump rotor (44) which is connected to the rotor shaft (16) in a rotationally secure manner, having a containment can (30) which extends between the magnetic pump stator (42) and the magnetic pump rotor (44) and which at least partially closes a central pump space (28), and having at least one central support element (32) which is mounted in the region of the pump impeller (22) in a rotationally secure manner.Type: ApplicationFiled: July 11, 2022Publication date: January 19, 2023Inventors: Johannes Walter, Claudius Muschelknautz, Gerald Zierer, Hannes Butscher, Pierre Werny, Ralf Herrmann, Thomas Eckerle
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Patent number: 9671022Abstract: The invention relates to known housing seals of two housing parts lying against each other, a first housing part (1) having a first sealing surface (6) and a second housing part (2) having a second sealing surface (7), which housing seals are equipped with a seal (15), which is inserted into a groove (10) in the first sealing surface (6) of the first housing part (1), wherein the groove (10) is covered by the second sealing surface (7) of the second housing part (2). According to the invention, in order to prevent crevice corrosion, the groove (10) has an opening (11) between the sealing surfaces (6, 7), which is used to ventilate the groove (10) having the inserted seal. The invention is intended for water pumps, in particular for auxiliary water pumps of motor vehicles.Type: GrantFiled: July 25, 2013Date of Patent: June 6, 2017Assignee: Robert Bosch GmbHInventors: Thomas Lojowski, Christoph Klappenbach, Roland Schmidt, Claudius Muschelknautz, Klaus Eppel, Werner Decker, Christoph Heier, Joerg Wolf, Guenther Riehl, Norbert Knab, Benoit Monzie, Jerome Thiery
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Patent number: 9347457Abstract: A liquid pump, in particular a water pump, comprises a pump housing, which has a thrust bearing seat, a bearing bolt and a bearing mounted on the bearing bolt. In this case, a thrust washer is arranged between the thrust bearing seat of the pump housing and the bearing. Furthermore, a flexible washer is arranged between the thrust bearing seat and the thrust washer.Type: GrantFiled: November 15, 2012Date of Patent: May 24, 2016Assignee: Robert Bosch GmbHInventors: Dietmar Ahrens, Christoph Heier, Claudius Muschelknautz
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Publication number: 20150337962Abstract: The invention relates to known housing seals of two housing parts lying against each other, a first housing part (1) having a first sealing surface (6) and a second housing part (2) having a second sealing surface (7), which housing seals are equipped with a seal (15), which is inserted into a groove (10) in the first sealing surface (6) of the first housing part (1), wherein the groove (10) is covered by the second sealing surface (7) of the second housing part (2). According to the invention, in order to prevent crevice corrosion, the groove (10) has an opening (11) between the sealing surfaces (6, 7), which is used to ventilate the groove (10) having the inserted seal. The invention is intended for water pumps, in particular for auxiliary water pumps of motor vehicles.Type: ApplicationFiled: July 25, 2013Publication date: November 26, 2015Inventors: Thomas Lojewski, Christoph Klappenbach, Roland Schmidt, Claudius Muschelknautz, Klaus Eppel, Werner Decker, Christoph Heier, Joerg Wolf, Guenther Riehl, Norbert Knab, Benoit Monzie, Jerome Thiery
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Patent number: 9184645Abstract: The invention relates to an electric machine, comprising a stator (2), a rotor (3), a split cage (4), which separates a wet region (5) from a dry region (6), control electronics (9) and an interconnection element (7, 8), which produces an electrical contact between the stator (2) and the control electronics (9), wherein the rotor (3) is arranged in the wet region (5), wherein the interconnection element (7, 8) is surrounded at least partially by an insulating element (10), and wherein the insulating element (10) divides the dry region (6) into a first subregion (60), in which the stator (2) is arranged, and a second subregion (61), in which the control electronics (9) are arranged.Type: GrantFiled: November 18, 2011Date of Patent: November 10, 2015Assignee: Robert Bosch GmbHInventors: Guenther Riehl, Johann Braun, Joerg Schmid, Christoph Heier, Thomas Heid, Claudius Muschelknautz, Tilo Koenig, Jerome Thiery
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Publication number: 20140346921Abstract: The invention relates to a device for retaining a machine component (3), in particular a stator, in a housing (2, 13) of an electric machine, wherein a pressure element (20) is provided in the housing (2, 13) in order to press the machine component (3) with a force against a stop (31).Type: ApplicationFiled: November 19, 2012Publication date: November 27, 2014Applicant: Robert Bosch GmbHInventors: Claudius Muschelknautz, Roland Schmidt, Christoph Heier, Tilo Koenig, Joerg Schmid, Samir Mahfoudh, Claude Berling, Jerome Thiery
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Patent number: 8668204Abstract: The invention relates to a seal (160) for sealing two opposite contact surfaces along a closed contour, comprising an elastic sealing element (210), which has two opposite sealing surfaces (240) to bear against the contact surfaces in the region of the contour, two spring elements (220, 230), each of which is associated with one of the sealing surfaces, and a supporting element (250) arranged between the spring elements, wherein each spring element comprises two limbs (260, 270), one limb pressing the sealing surface associated with the spring element against one of the contact surfaces and the other limb being supported on the supporting element.Type: GrantFiled: July 5, 2010Date of Patent: March 11, 2014Assignee: Robert Bosch GmbHInventors: Georg Reeb, Claudius Muschelknautz
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Publication number: 20130270942Abstract: The invention relates to an electric machine, comprising a stator (2), a rotor (3), a split cage (4), which separates a wet region (5) from a dry region (6), control electronics (9) and an interconnection element (7, 8), which produces an electrical contact between the stator (2) and the control electronics (9), wherein the rotor (3) is arranged in the wet region (5), wherein the interconnection element (7, 8) is surrounded at least partially by an insulating element (10), and wherein the insulating element (10) divides the dry region (6) into a first subregion (60), in which the stator (2) is arranged, and a second subregion (61), in which the control electronics (9) are arranged.Type: ApplicationFiled: November 18, 2011Publication date: October 17, 2013Applicant: Robert Bosch GmbHInventors: Guenther Riehl, Johann Braun, Joerg Schmid, Christoph Heier, Thomas Heid, Claudius Muschelknautz, Tilo Koenig, Jerome Thiery
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Publication number: 20130193801Abstract: An electrical machine (100) comprises a housing (110), a stator (200) arranged in the housing and a conical spring washer (300), which holds the stator (200) in its installed position by means of a predetermined axial spring force (FA). In this case, the conical spring washer (300) comprises an annular base body (310), which is attached to a housing inner wall (110) by means of an attachment device (330), as well as a number of spring structures (320) which extend from the annular base body (310) in the direction of the stator (200) and support the stator (200) axially.Type: ApplicationFiled: August 26, 2011Publication date: August 1, 2013Applicant: ROBERT BOSCH GMBHInventors: Joerg Schmid, Samir Mahfoudh, Christoph Heier, Claudius Muschelknautz, Tilo Koenig, Jerome Thiery
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Patent number: 8277181Abstract: The invention relates to a fluid pump, in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing and having a rotationally fixed shaft, which is arranged in the pump housing, for an inner rotor which has an impeller wheel. According to the invention, it is proposed that the shaft is mounted at one side and, at its end remote from the bearing point, supports a bearing cap which engages at least partially around the shaft. The invention also relates to a method for producing a fluid pump of said type, in which method the shaft is fixed with its first end in a housing, in particular in a plastic housing, of the pump, the inner rotor of the pump is pushed onto the shaft and is secured axially by means of a bearing cap which is placed onto the shaft and is supported by the shaft.Type: GrantFiled: May 29, 2007Date of Patent: October 2, 2012Assignee: Robert Bosch GmbHInventors: Bernd Hein, Jerome Thiery, Christoph Heier, Claudius Muschelknautz
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Publication number: 20120146293Abstract: The invention relates to a seal (160) for sealing two opposite contact surfaces along a closed contour, comprising an elastic sealing element (210), which has two opposite sealing surfaces (240) to bear against the contact surfaces in the region of the contour, two spring elements (220, 230), each of which is associated with one of the sealing surfaces, and a supporting element (250) arranged between the spring elements, wherein each spring element comprises two limbs (260, 270), one limb pressing the sealing surface associated with the spring element against one of the contact surfaces and the other limb being supported on the supporting element.Type: ApplicationFiled: July 5, 2010Publication date: June 14, 2012Applicant: ROBERT BOSCH GMBHInventors: Georg Reeb, Claudius Muschelknautz
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Publication number: 20120037828Abstract: A valve (100) for controlling a flow of a medium in a heating and/or cooling system of a motor vehicle comprises a valve housing (110), which has at least one first channel (140), and a regulating wheel (170), which is provided to open and close the first channel. For this purpose, the regulating wheel is arranged at a first end of a rotatably mounted drive shaft (180), which extends from the regulating wheel through an axial opening (160) of the valve housing into a spring chamber (230) arranged in the valve housing. A second end of the drive shaft arranged in the spring chamber has a spur gear (190). Furthermore, a spring (240), the first end of which is supported on the valve housing and the second end of which is supported on the spur gear, is arranged in said spring chamber.Type: ApplicationFiled: April 9, 2010Publication date: February 16, 2012Applicant: ROBERT BOSCH GMBHInventors: Georg Reeb, Claudius Muschelknautz
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Publication number: 20110180737Abstract: The invention proposes a valve (1) for controlling volume flows, in particular in a heating and/or cooling system of a motor vehicle, having a disk-shaped valve body (2) with at least one control opening (3) which, to control the volume flow, interacts with a disk-shaped sealing body (10) having at least one passage opening (11), wherein the disk-shaped valve body (2) has an external toothing (49) into which a pinion (42) engages in order to rotate the valve body (2). According to the invention, the pinion (42) and the external toothing (49) of the disk-shaped valve body (2) interact with one another by means of an evoloid toothing (43; 44). The valve according to the invention is provided for controlling volume flows, in particular in a heating and/or cooling system of a motor vehicle.Type: ApplicationFiled: October 5, 2009Publication date: July 28, 2011Applicant: ROBERT BOSCH GMBHInventors: Jochen Moench, Alois Hils, Georg Reeb, Claudius Muschelknautz, Sven Urlaub
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Publication number: 20110033320Abstract: The invention relates to a pump rotor (26) for a canned motor pump. The pump rotor (26) comprises a base body (32) designed in one piece, with an impeller base disk (34) and a rotor holder bushing (36) and a rotor unit (40) with rotor magnets that are arranged on the rotor holder bushing (36).Type: ApplicationFiled: July 14, 2008Publication date: February 10, 2011Applicant: Robert Bosch GMBHInventors: Christoph Heier, Claudius Muschelknautz
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Publication number: 20090252607Abstract: The invention relates to a fluid pump, in particular a liquid pump for a cooling and/or heating circuit of a motor vehicle, having a pump housing and having a rotationally fixed shaft, which is arranged in the pump housing, for an inner rotor which has an impeller wheel. According to the invention, it is proposed that the shaft is mounted at one side and, at its end remote from the bearing point, supports a bearing cap which engages at least partially around the shaft. The invention also relates to a method for producing a fluid pump of said type, in which method the shaft is fixed with its first end in a housing, in particular in a plastic housing, of the pump, the inner rotor of the pump is pushed onto the shaft and is secured axially by means of a bearing cap which is placed onto the shaft and is supported by the shaft.Type: ApplicationFiled: May 29, 2007Publication date: October 8, 2009Inventors: Bernd Hein, Jerome Thiery, Christoph Heier, Claudius Muschelknautz
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Patent number: 7520734Abstract: A method to manufacture a secondary air pump for a motor vehicle with an internal combustion engine, wherein the air pump features a housing, in which a pump mechanism with at least one fan wheel as well as an electric motor driving the at least one fan wheel are arranged. The air pump is counterbalanced with the electric motor built into the housing via balancing in at least two planes that are spaced apart axially.Type: GrantFiled: November 7, 2003Date of Patent: April 21, 2009Assignee: Robert Bosch GmbHInventors: Ulrich Luedtke, Claudius Muschelknautz, Fabrice Burg
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Publication number: 20060115368Abstract: The invention relates to a method to manufacture an electrically driven air pump (10), in particular a method to manufacture a secondary air pump (10) for a motor vehicle with an internal combustion engine, wherein the air pump (10) features a housing (12), in which a pump mechanism (13) with at least one fan wheel (36, 38) as well as an electric motor (16) driving the at least one fan wheel (36, 38) are arranged. It is proposed in accordance with the invention that the air pump (10) be counterbalanced with the electric motor (16) built into the housing (12) via balancing in at least two planes (A, B) that are spaced apart axially.Type: ApplicationFiled: November 7, 2003Publication date: June 1, 2006Inventors: Ulrich Luedtke, Claudius Muschelknautz, Fabrice Burg
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Patent number: 6561759Abstract: The invention is based on a blower (10) with an electric motor (52) whose drive shaft (40) supports a radial impeller (30) whose blower housing (14), in an end face wall (20), has an inlet opening (24) through which air is aspirated and which is adjoined by a sound damper (12) whose housing (16) is fastened to the blower housing (14) with fastening elements, wherein a common end wall (20) is provided between the housing (16) and the blower housing (14). It is proposed that the housing (16) of the sound damper (12) constitute the end wall (20) of the blower housing (14) and define the chamber (28) for the impeller (30).Type: GrantFiled: June 12, 2001Date of Patent: May 13, 2003Assignee: Robert Bosch GmbHInventor: Claudius Muschelknautz
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Patent number: 5738503Abstract: A method of balancing an electronically driven air blower unit comprising a radial blower with a high-speed electronically commutated d.c. motor which drives the blower and which is of external rotor design, utilizing a balancing device into which the completely mounted air blower unit (1) can be inserted, without housing lid, and with which electrical contact (101, 102, 103; 201, 202, 203) can be made. The balancing device is provided with a control device for the motor (3, 4, 5) of the air blower unit and with a device (9) for bridging the motor electronics (10) of the air blower unit (1) itself. In order to drive the part to balanced of the air blower unit, its electromechanical transducer (3, 4, 5) is used, which for this purpose is actuated by the control device provided in the balancing device. The balancing process is essentially carried out in two compensation planes which are spaced axially from one another and are parallel with one another.Type: GrantFiled: January 24, 1996Date of Patent: April 14, 1998Assignee: Robert Bosch GmbHInventors: Otfried Schmidt-Marloh, Claudius Muschelknautz, Johann Bohnert, Guenter Bauer, Juergen Herp, Kay Kroeger, Josef Wehberg, Gerd Knoepfel, Jochen Goehre, Henning Schroeder, Hans Kobschaetzky