Patents by Inventor Klaus Wittmann
Klaus 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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Patent number: 9821626Abstract: A heating, ventilation and/or air-conditioning apparatus (1) for the passenger compartment of a motor vehicle includes a housing (2) comprising a first air inlet (3) and a second air inlet (4). The housing (2) directs an inner air flow (Fi) from the first air inlet (3) and/or the second air inlet (4) and contains at least a first heat exchanger (5). The housing (2) includes: an air flow channel (24) directing the inner air flow (Fi) in the housing (2) while bypassing the first heat exchanger (5); and an air inlet duct (23) directing the inner air flow (Fi) in the housing (2) through the first heat exchanger (5). A heating, ventilation and/or air-conditioning installation for the passenger compartment of a motor vehicle includes: an air conditioning loop through which a coolant flows. The loop includes at least one compressor, a first expansion member, an outer heat exchanger and the first heat exchanger (5). The installation also includes the heating, ventilation and/or air-conditioning apparatus (1).Type: GrantFiled: May 4, 2012Date of Patent: November 21, 2017Assignee: VALEO SYSTEMES THERMIQUESInventors: Klaus Wittmann, Mohamed Yahia
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Patent number: 9803896Abstract: The present invention relates to a heat conditioning system for a motor vehicle, including: an air conditioning loop of a motor vehicle (B) in which a cooling fluid circulates and which includes a compressor (2), at least two heat exchangers (8,42) and at least one decompression device (24,26), a heat processing unit (U) of a battery (100) of the vehicle, which unit includes a heat processing means (46) which is capable of being in a heat exchange relation with the battery of the vehicle, in which the heat processing means is in a heat exchange relation with the air conditioning loop.Type: GrantFiled: June 14, 2011Date of Patent: October 31, 2017Assignee: VALEO SYSTEMES THERMIQUESInventors: Jugurtha Benouali, Klaus Wittmann, Stefan Karl
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Publication number: 20140194048Abstract: A heating, ventilation and/or air-conditioning apparatus (1) for the passenger compartment of a motor vehicle includes a housing (2) comprising a first air inlet (3) and a second air inlet (4). The housing (2) directs an inner air flow (Fi) from the first air inlet (3) and/or the second air inlet (4) and contains at least a first heat exchanger (5). The housing (2) includes: an air flow channel (24) directing the inner air flow (Fi) in the housing (2) while bypassing the first heat exchanger (5); and an air inlet duct (23) directing the inner air flow (Fi) in the housing (2) through the first heat exchanger (5). A heating, ventilation and/or air-conditioning installation for the passenger compartment of a motor vehicle includes: an air conditioning loop through which a coolant flows. The loop includes at least one compressor, a first expansion member, an outer heat exchanger and the first heat exchanger (5). The installation also includes the heating, ventilation and/or air-conditioning apparatus (1).Type: ApplicationFiled: May 4, 2012Publication date: July 10, 2014Applicant: Valeo Systemes ThermiquesInventors: Klaus Wittmann, Mohamed Yahia
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Patent number: 8516841Abstract: A heating and air conditioning device 20 for an automotive vehicle, including a refrigerant circuit 4 in which a refrigerant circulates between three distinctive units 6, 10, 14 exchanging with respective secondary liquid loops 8, 12, 16. An evaporating unit 6 is dedicated to the evaporation of the refrigerant when operating in a cooling mode. A cooling unit 10 is dedicated to the cooling or condensation of the refrigerant when operating in the cooling mode as well as operating in the heating mode. A reversible unit 14 is dedicated to the evaporation of the refrigerant when operating in the heating mode and dedicated to the cooling or condensation of the refrigerant when operating in the cooling mode.Type: GrantFiled: April 17, 2009Date of Patent: August 27, 2013Assignee: Valeo Systems ThermiquesInventors: Klaus Wittmann, Daniel Neveu, Jean Luc Thuez, Didier Barat
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Publication number: 20130146251Abstract: The present invention relates to a heat conditioning system for a motor vehicle, including: an air conditioning loop of a motor vehicle (B) in which a cooling fluid circulates and which includes a compressor (2), at least two heat exchangers (8,42) and at least one decompression device (24,26), a heat processing unit (U) of a battery (100) of the vehicle, which unit includes a heat processing means (46) which is capable of being in a heat exchange relation with the battery of the vehicle, in which the heat processing means is in a heat exchange relation with the air conditioning loop.Type: ApplicationFiled: June 14, 2011Publication date: June 13, 2013Applicant: VALEO SYSTEMES THERMIQUESInventors: Jugurtha Benouali, Klaus Wittmann, Stefan Karl
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Publication number: 20120300483Abstract: A luminaire assembly, in particular a bi-halogen headlight for a motor vehicle, having at least one light source, which has at least two lighting functions, characterized in that the light source has a different operating voltage in each case with regard to the at least two lighting functions.Type: ApplicationFiled: January 17, 2011Publication date: November 29, 2012Applicant: OSRAM AGInventors: Peter Helbig, Oliver Hering, Harald Kaps, Klaus Wittmann
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Patent number: 8212476Abstract: Disclosed are a welding aid for a spiral-wound filament of a lamp and a lamp comprising such a welding aid. The spiral-wound filament has a spiral-wound filament body and at least one spiral-wound filament tail. The welding aid is arranged at a distance d from the spiral-wound filament body and is designed to connect the at least one spiral-wound filament tail to a current-conducting support, the distance d being defined in accordance with a power P at which the lamp is operated.Type: GrantFiled: December 5, 2007Date of Patent: July 3, 2012Assignee: Osram AGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Patent number: 8188658Abstract: Disclosed is a lamp, particularly for a vehicle headlight, comprising two spiral-wound filaments which are retained by three feeders within a bulb that is inserted into a base. The feeders are arranged on top of one another when the lamp is adequately oriented. A tail of the first spiral-wound filament is connected to a dimming cap, said tail being located at a distance from the base, while a tail of the second spiral-wound filament is connected to the central feeder, said tail being close to the base. The second filament tail that faces away and is located at a distance from the base is connected to the upper feeder. According to the invention, the lower feeder is connected to the dimming cap by means of an end, some sections of which are angled away from a longitudinal axis of the lamp.Type: GrantFiled: December 10, 2007Date of Patent: May 29, 2012Assignee: Osram AGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Patent number: 8164240Abstract: The invention relates to a dipping cap comprising a filament for a dual-filament lamp. The dimension between an outlet of an outgoing section of the filament, on the side of the base, and the point on the outgoing section of the filament, arranged opposite the outgoing section of the filament on the side of the base and welded to the dipping cap, measures more than approximately 5.2 mm and less than 9.7 mm, and the dimension between the outlet of the outgoing section of the filament, on the side of the base, and the front surface of the dipping cap, which is adjacent to the outgoing section of the filament, welded to the dipping cap, measures more than approximately 5.9 mm and less than 11.9 mm.Type: GrantFiled: December 5, 2007Date of Patent: April 24, 2012Assignee: Osram AGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Patent number: 8102109Abstract: Disclosed is a lamp, particularly a halogen incandescent lamp, comprising a bulb that is provided with a pinch seal which is inserted into a base by means of an attachment ring. The attachment ring has a receiving section within which the pinch seal is clampingly fastened by means of attachment ring brackets that are supported on support surfaces. According to the invention, the support surfaces are placed at an angle from the longitudinal axis of the lamp.Type: GrantFiled: December 6, 2007Date of Patent: January 24, 2012Assignee: OSRAM AGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Patent number: 8084928Abstract: The invention relates to a halogen bulb comprising two filaments that are located (21, 22) in a lamp body (10), a first filament (21) being designed for operation at a higher electrical output than the second filament (22). To fulfil a daylight driving function, the second filament (22) is designed to produce an electrical output that is lower by a factor of 2.5 to 4 than the electrical output of the first filament (21) when operating with a standard operating voltage and is designed in such a way that it can be operated with an operating voltage that is lower than the standard operating voltage in order to produce a dimmed position light function.Type: GrantFiled: November 8, 2007Date of Patent: December 27, 2011Assignee: Osram AGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Patent number: 8011798Abstract: The invention relates to a halogen incandescent lamp for motor vehicle headlamps with two incandescent filaments (21, 22), which are arranged within a lamp vessel (10), wherein a first incandescent filament (21) is designed for operation with a higher electrical power than the second incandescent filament (22), wherein the incandescent filaments (21, 22) are constructed in such a way that their dimensions and/or their geometry are in each case matched to an operating voltage of at least 20 volts, and at least the second incandescent filament (22) is an incandescent filament in the form of a single coil. Preferably, both incandescent filaments (21, 22) are in the form of incandescent filaments with a single coil, wherein the first incandescent filament (21) is used, for example, for producing the upper beam or lower beam and the second incandescent filament (22) is used for producing the daytime driving light or foglight.Type: GrantFiled: February 12, 2008Date of Patent: September 6, 2011Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Manfred Bühler, Hans Mayer, Klaus Wittmann, Sascha Zelt
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Publication number: 20110146318Abstract: The invention relates to an air conditioning device (1) comprising elements (15,16,13,14,19,22,P1,P2;17) of an A/C loop (4) inside which circulates a cooling fluid FR, of a primary circuit (5) inside which circulates a coolant fluid FC and of a secondary circuit (6) inside which circulates a coolant liquid LC. The air conditioning device (1) comprises a support (100) on which the elements (15,16,13,14,19,22,P1,P2;17) are fixed.Type: ApplicationFiled: December 15, 2010Publication date: June 23, 2011Inventors: Klaus WITTMANN, Mohamed YAHIA, Bertrand NICOLAS
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Publication number: 20110146942Abstract: The invention relates to a distribution unit (22) that is able to manage the circulation of a cooling fluid FR in an A/C loop (4). The distribution unit (22) comprises nine inlets E1, E2, E3, E4, E5, E6, E7, E8, E9 of the cooling fluid FR inside the distribution unit (22) and four outlets S1, S2, S3, S4 of the cooling fluid FR outside the distribution unit (22). Each outlet S1, S2, S3, S4 is linked with at least two inlets E1, E2, E3, E4, E5, E6, E7, E8, E9.Type: ApplicationFiled: December 15, 2010Publication date: June 23, 2011Inventors: Klaus WITTMANN, Mohamed YAHIA, Bertrand NICOLAS
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Publication number: 20100320900Abstract: Disclosed are a welding aid for a spiral-wound filament of a lamp and a lamp comprising such a welding aid. The spiral-wound filament has a spiral-wound filament body and at least one spiral-wound filament tail. The welding aid is arranged at a distance d from the spiral-wound filament body and is designed to connect the at least one spiral-wound filament tail to a current-conducting support, the distance d being defined in accordance with a power P at which the lamp is operated.Type: ApplicationFiled: December 5, 2007Publication date: December 23, 2010Inventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Publication number: 20100296216Abstract: The disclosure relates to a protective device, for example an overload relay, for attaching the same to a switching device, such as a contactor. The housing wall of the protective device has at least one first and one second recess each on a first side facing the switching device, and on a second side facing away from the switching device, and the recesses are connected to each other such that the switching device is accessible through the recesses for the purpose of connecting a terminal lead.Type: ApplicationFiled: June 21, 2010Publication date: November 25, 2010Applicant: ABB AGInventors: Ruediger SCHWEITZER, Richard Kommert, Klaus Wittmann
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Patent number: 7830076Abstract: The invention relates to an incandescent halogen lamp, comprising at least one tungsten incandescent filament (3) in a transparent light bulb (1) and a filling in the light bulb (1), which has a halogen component for a halogen recycling process and a noble gas component containing krypton or xenon, whereby the noble gas component comprises at least one further noble gas, the atoms of which have a smaller atomic radius than krypton atoms and the cold filling pressure within the light bulb (1) is greater than or equal to 0.7 Megapascal. Said incandescent halogen lamp is suitable as light source in a curved lamp or as combined day running or position light in a motor vehicle.Type: GrantFiled: September 9, 2006Date of Patent: November 9, 2010Assignee: Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbHInventors: Klaus Wittmann, Sascha Zelt
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Publication number: 20100090578Abstract: The invention relates to a dipping cap comprising a filament for a dual-filament lamp. The dimension between an outlet of an outgoing section of the filament, on the side of the base, and the point on the outgoing section of the filament, arranged opposite the outgoing section of the filament on the side of the base and welded to the dipping cap, measures more than approximately 5.2 mm and less than 9.7 mm, and the dimension between the outlet of the outgoing section of the filament, on the side of the base, and the front surface of the dipping cap, which is adjacent to the outgoing section of the filament, welded to the dipping cap, measures more than approximately 5.9 mm and less than 11.9 mm.Type: ApplicationFiled: December 5, 2007Publication date: April 15, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Publication number: 20100090598Abstract: Disclosed is a lamp, particularly a halogen incandescent lamp, comprising a bulb that is provided with a pinch seal which is inserted into a base by means of an attachment ring. The attachment ring has a receiving section within which the pinch seal is clampingly fastened by means of attachment ring brackets that are supported on support surfaces. According to the invention, the support surfaces are placed at an angle from the longitudinal axis of the lamp.Type: ApplicationFiled: December 6, 2007Publication date: April 15, 2010Applicant: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt
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Publication number: 20100067247Abstract: The invention relates to a shield device for a headlamp, said device having a reflector with an opening that has a diameter of less than 38.2 mm and two luminous bodies. The shield device is designed in such a way that at least one boundary of the sector shielded by the shield device on the reflector in the vicinity of the opening, said sector lying on a straight line between the reflector opening and a circle around the reflector opening with a diameter of 38.2 mm, when viewed on a plane running parallel to the reflector opening.Type: ApplicationFiled: December 12, 2007Publication date: March 18, 2010Inventors: Frank Auer, Gerhard Behr, Peter Helbig, Christian Seichter, Klaus Wittmann, Sascha Zelt