Patents by Inventor Klaus Buttner
Klaus Buttner 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: 9154017Abstract: An electrical machine includes a stator, a rotor magnetically interacting with the stator, a shaft supported on the stator for rotation in a first direction of rotation and in a second direction of rotation which is opposite to the first direction of rotation, wherein the rotor is arranged on the shaft, a first axial fan mounted on the shaft on a side of the rotor for co-rotation with the shaft in the first direction of rotation and having freewheeling capability on the shaft in the second direction of rotation, and a second axial fan mounted on the shaft on the same side of the rotor as the first axial shaft for co-rotation with the shaft in the second direction of rotation and having freewheeling capability on the shaft in the first direction of rotation.Type: GrantFiled: July 3, 2012Date of Patent: October 6, 2015Assignee: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Norbert Wöhner
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Publication number: 20150251744Abstract: A device for treating ballast water includes a housing having a ballast water inlet and a ballast water outlet, a hydrocyclone connected to the ballast water inlet and having a particle outlet discharging particles from the device and an outlet carrying particle-depleted ballast water, a filter surrounding the hydrocyclone, which filter divides the device into an intermediate chamber disposed between hydrocyclone and filter and an outer chamber disposed between filter and housing. The intermediate chamber is communicatively connected to the outlet of the hydrocyclone carrying particle-depleted ballast water. Ultrasound is generated to act on the outer chamber and/or the filter, UV light is generated to act on the outer chamber and/or the filter, and a gas is introduced into the outer chamber of the device.Type: ApplicationFiled: September 12, 2013Publication date: September 10, 2015Inventor: Klaus Büttner
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Publication number: 20150214810Abstract: A cooling jacket for cooling using a fluid includes an inner part, an outer jacket that extends in an axial direction and surrounds the inner part in a cross-sectional plane perpendicular to the axial direction, and a duct for holding the fluid. A first boundary of the duct an outer surface of the inner part, while a second boundary of the duct (includes an inner surface of the outer jacket. The inner part is arranged inside the outer jacket, and a material property of the outer jacket is different from the material property of the inner part.Type: ApplicationFiled: June 20, 2013Publication date: July 30, 2015Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Klaus Kirchner, Matthias Warmuth
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Publication number: 20150207378Abstract: A cooling jacket includes a jacket having an axial end provided with an opening, and a sealing structure which is arranged in the opening. A member selected from the group consisting of the jacket and the sealing structure has a radial deformation to connect the jacket to the sealing structure. The radial deformation is configured to extend into the opening.Type: ApplicationFiled: June 20, 2013Publication date: July 23, 2015Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Stephan Hellmuth, Klaus Kirchner, Matthias Warmuth
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Publication number: 20150069861Abstract: An electric machine includes a stator, a rotor interacting magnetically with the stator, a housing surrounding the stator and rotor, and a hollow shaft provided for arrangement of the rotor and mounted on the housing. A radial fan is mounted rotationally fixed on the hollow shaft on the ventilation side. A section of a fan blade of the radial fan extends axially away from the housing to a greater extent than the hollow shaft. A guide element with radially extending plate is arranged in the hollow shaft, wherein the plate is arranged axially further away from the housing than the end side of the hollow shaft on the ventilation side. An inner coolant flow can thus be delivered from the section of the fan blade out of the hollow shaft through a passage between the end side of the hollow shaft on the ventilation side and the plate radially outwards.Type: ApplicationFiled: June 27, 2012Publication date: March 12, 2015Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Klaus Kirchner, Michael Müller
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Patent number: 8963394Abstract: The invention relates to a cage rotor for an asynchronous machine (1) comprising starting bars for improving the starting behavior. The invention further relates to a method for producing such a cage rotor. In order to achieve as great an efficiency as possible, the cage rotor comprises a laminated rotor core (2) having grooves (3) and operating bars (5; 6; 7; 8; 15) disposed in the grooves (3) and contacting the laminated rotor core (2) directly on the inner groove base as seen in the radial direction of the cage rotor, wherein the operating bars (5; 6; 7; 8; 15) comprise partial cladding (9; 10; 11) enclosing an outer surface of the operating bars (5; 6; 7; 8; 15) as seen in the radial direction (12) of the cage rotor, wherein the material of the operating bars (5; 6; 7; 8; 15) comprises a greater specific conductivity than the material of the partial cladding (9; 10; 11).Type: GrantFiled: August 13, 2010Date of Patent: February 24, 2015Assignee: Siemens AGInventors: Klaus Büttner, Klaus Kirchner, Michael Müller
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Publication number: 20150042185Abstract: The invention relates to an electrical machine (1, 51), in particular an asynchronous machine, comprising a stator (2), a rotor (4) which is rotatably mounted about a rotation axis (3) and magnetically interacts with the stator (2) during operation of the electrical machine (1, 51), a shaft (5) on which the rotor (4) is fixed and which has an axial hole (6), and an inflow element (7, 47) which extends into the axial hole (6) such that a coolant (15), in particular a cooling liquid (15), can flow into the axial hole (6) from the inflow element (7, 47). The invention also relates to a cooling system (50) comprising an electrical machine (1, 51) and a coolant circuit (55) for transporting the coolant (15), in particular the cooling liquid (15), through the axial hole (6), and to a vehicle (61) comprising a cooling system (50).Type: ApplicationFiled: March 6, 2013Publication date: February 12, 2015Inventors: Klaus Büttner, Klaus Kirchner, Matthias Warmuth
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Patent number: 8836193Abstract: The invention relates to a squirrel-cage rotor for an asynchronous machine. In order to increase the electrical efficiency for a cage rotor composed of two materials, the cage rotor comprises a rotor core (1) having grooves (3), end rings (5) of a first material that are cast onto the rotor core on the end face, and conductors (4) that are arranged in the grooves and that are made of a second material that has an electric conductivity that is higher than the electric conductivity of the first material, wherein the conductors (4) comprise a coating (8) made of a coating material on the surface of the conductors, wherein the coating adjoins the second material of the conductors (4) by means of a first alloy layer (2) made of the second material and the coating material and adjoins the cast first material by means of a second alloy layer (9); made of the first material and the coating material.Type: GrantFiled: February 5, 2010Date of Patent: September 16, 2014Assignee: Siemens AktiengesellschaftInventors: Klaus Büttner, Jens Kurth, Michael Müller, Norbert Wöhner
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Publication number: 20140217840Abstract: A stator (1) for an electric motor, which comprises a substantially hollow-cylindrical stator stack (2) provided with wire windings and an end winding (6), which adjoins the stator stack (2) in the axial direction, wherein the stator stack (2) comprises a number of slots (4), wherein a coolant line (8) is inserted into the respective slot (4), is intended to enable a further improvement of the efficiency of the electric motor. For this purpose, a section (10) of the respective coolant line (8) extends into the region of the end winding (6).Type: ApplicationFiled: August 15, 2012Publication date: August 7, 2014Inventors: Klaus Büttner, Klaus Kirchner, Norbert Wöhner
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Publication number: 20130257197Abstract: An electric machine includes a stator device having axial first cooling channels, and second and third cooling channels. The third cooling channels are arranged in the first cooling channels and extend at least substantially along an entire axial length thereof. The stator device is configured for inflow and outflow of a liquid cooling medium at least partially through the second cooling channels and for the liquid cooling medium to be conducted through the third cooling channels. A rotor is arranged on a rotor shaft for rotation around a rotational axis. Limiting elements are mounted on the stator device axially on both sides to thereby bound an internal rotor space which is in communication with axial ends of the first cooling channels of the stator device to thereby establish an internal air-cooling circuit from the internal rotor space through the first cooling channels and back into the internal rotor space.Type: ApplicationFiled: March 27, 2013Publication date: October 3, 2013Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Klaus Kirchner, Michael Muller
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Publication number: 20130234543Abstract: An electrical machine includes a stator and a rotor which is pivotally mounted about an axis of rotation and interacts magnetically with the stator during operation of the electrical machine. The rotor has a rotor cooling system for cooling the rotor using a first coolant flow, and the stator is cooled by a stator cooling system using a second coolant flow.Type: ApplicationFiled: March 5, 2013Publication date: September 12, 2013Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Klaus Kirchner
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Publication number: 20130187512Abstract: A squirrel-cage rotor of an asynchronous machine has a rotor bar (4) in a rotor stack (1), wherein the bar (4) can be tipped at a tipping point (11, 12, 13) when the bar (4) has not yet been cast. The rotor bar (4) can in this case have a contour on a radial outer face, wherein the bar (4) can also have a channel (27), the opening (29) in said channel being wider than the shoulders (32, 33) of the limbs (30, 31) which form the channel (27).Type: ApplicationFiled: September 29, 2011Publication date: July 25, 2013Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Michael Müller, Norbert Wöhner
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Publication number: 20130175892Abstract: An electrical machine includes a stator, a rotor magnetically interacting with the stator, a shaft supported on the stator for rotation in a first direction of rotation and in a second direction of rotation which is opposite to the first direction of rotation, wherein the rotor is arranged on the shaft, a first axial fan mounted on the shaft on a side of the rotor for co-rotation with the shaft in the first direction of rotation and having freewheeling capability on the shaft in the second direction of rotation, and a second axial fan mounted on the shaft on the same side of the rotor as the first axial shaft for co-rotation with the shaft in the second direction of rotation and having freewheeling capability on the shaft in the first direction of rotation.Type: ApplicationFiled: July 3, 2012Publication date: July 11, 2013Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Norbert Wöhner
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Publication number: 20120205996Abstract: The invention relates to an electric machine (100) comprising a stator (107) and a rotor (101), wherein the rotor (101) comprises a hollow shaft (102), wherein a closed hollow space (103) is formed by means of the hollow shaft (102), wherein the closed hollow space (103) is provided for receiving a cooling agent, wherein a three-dimensional transport structure (200) is provided in the closed hollow chamber (103) for transporting the cooling agent. The three-dimensional structure can, for example, be produced by means of applying an adaptive material.Type: ApplicationFiled: October 22, 2010Publication date: August 16, 2012Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Vladimir Danov, Olaf Rehme, Martin Schäfer
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Publication number: 20120187796Abstract: The invention relates to a cage rotor for an asynchronous machine (1) comprising starting bars for improving the starting behavior. The invention further relates to a method for producing such a cage rotor. In order to achieve as great an efficiency as possible, the cage rotor comprises a laminated rotor core (2) having grooves (3) and operating bars (5; 6; 7; 8; 15) disposed in the grooves (3) and contacting the laminated rotor core (2) directly on the inner groove base as seen in the radial direction of the cage rotor, wherein the operating bars (5; 6; 7; 8; 15) comprise partial cladding (9; 10; 11) enclosing an outer surface of the operating bars (5; 6; 7; 8; 15) as seen in the radial direction (12) of the cage rotor, wherein the material of the operating bars (5; 6; 7; 8; 15) comprises a greater specific conductivity than the material of the partial cladding (9; 10; 11).Type: ApplicationFiled: August 13, 2010Publication date: July 26, 2012Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Klaus Kirchner, Michael Müller
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Publication number: 20120169158Abstract: The invention relates to a cage rotor for an asynchronous machine (7), said cage rotor comprising a rotor sheet stack (1), short-circuit rods (2) which are arranged inside said rotor sheet stack (1) and short-circuit rings (3) which are cast onto the rotor sheet stack (1) and which electrically interconnect said short-circuit rods (1) to the front sides of the rotor sheet stacks. The aim of the invention is to improve heat dissipation. As a result, heat pipes (4) are introduced into the rotor sheet stack (1) in the axial direction such that they protrude onto the front side from the rotor sheet stack (1) and protrude into the short-circuit rings (3).Type: ApplicationFiled: September 10, 2010Publication date: July 5, 2012Applicant: Siemens AktiengesellschaftInventors: Klaus Büttner, Klaus Kirchner
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Publication number: 20120133236Abstract: The invention relates to a method for producing a beveled cage rotor (1) for an asynchronous machine (2) and to a cage rotor (1) that can be produced by means of such a method. In order to improve the efficiency of the asynchronous machine (2), the cage rotor (1) comprises a laminated rotor core (5) having grooves (4), short-circuit rings (6) made of a first material and case onto the end face of the laminated rotor core (5), and short-circuit bars (3; 11; 12) made of a second material having a higher specific electrical conductivity than the first material and disposed in the grooves (4), wherein the laminated rotor core (5) and the short-circuit bars (3; 11; 12) comprise a bevel and nearly completely fill in an inner groove region (7) as seen in the radial direction of the laminated rotor core (5).Type: ApplicationFiled: July 27, 2010Publication date: May 31, 2012Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Klaus Kirchner, Michael Müller
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Publication number: 20110316380Abstract: The invention relates to a squirrel-cage rotor for an asynchronous machine. In order to increase the electrical efficiency for a cage rotor composed of two materials, the cage rotor comprises a rotor core (1) having grooves (3), end rings (5) of a first material that are cast onto the rotor core on the end face, and conductors (4) that are arranged in the grooves and that are made of a second material that has an electric conductivity that is higher than the electric conductivity of the first material, wherein the conductors (4) comprise a coating (8) made of a coating material on the surface of the conductors, wherein the coating adjoins the second material of the conductors (4) by means of a first alloy layer (2) made of the second material and the coating material and adjoins the cast first material by means of a second alloy layer (9); made of the first material and the coating material.Type: ApplicationFiled: February 5, 2010Publication date: December 29, 2011Applicant: SIEMENS AKTIENGESELLSCHAFTInventors: Klaus Büttner, Jens Kurth, Michael Müller, Norbert Wöhner
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Patent number: 7566695Abstract: The present invention provides multimeric apoprotein agonists. Pharmaceutical compositions which include a multimeric apoprotein agonist and a pharmaceutically acceptable carrier, excipient or diluent are also provided. These pharmaceutical are useful to treat a variety of disorders associated with dyslipidemia.Type: GrantFiled: June 23, 2006Date of Patent: July 28, 2009Assignee: Pfizer Inc.Inventors: Jean-Louis Dasseux, Renate Sekul, Klaus Büttner, Isabelle Cornut, Günther Metz
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Publication number: 20080058270Abstract: The present invention provides peptides and peptide analogues that mimic the structural and pharmacological properties of human ApoA-I. The peptides and peptide analogues are useful to treat a variety of disorders associated with dyslipidemia.Type: ApplicationFiled: February 9, 2007Publication date: March 6, 2008Inventors: Jean-Louis Dasseux, Renate Sekul, Klaus Buttner, Isabelle Cornut, Gunther Metz