Patents by Inventor Joachim Arndt
Joachim Arndt 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: 10094419Abstract: A hybrid shaft bearing, a wind generator comprising the hybrid shaft bearing, a use of the hybrid shaft bearing, and a method of operating the hybrid shaft bearing is provided. The hybrid shaft bearing comprises a hydrodynamic friction bearing and a rolling bearing. Both the hydrodynamic friction and rolling bearings cooperate with a support structure and rotatably support a shaft. The hydrodynamic friction bearing is a passive hydrodynamic bearing.Type: GrantFiled: March 20, 2015Date of Patent: October 9, 2018Assignee: AREVA WIND GMBHInventors: Samer Mtauweg, Joachim Arndt, Klaus Pischel
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Patent number: 9683555Abstract: A wind power installation includes a helicopter hoisting platform configured to be arranged on top of a nacelle of a wind driven power plant. The nacelle and the helicopter platform are configured such that a bottom surface of the helicopter hoisting platform is below a top surface of the nacelle.Type: GrantFiled: December 27, 2011Date of Patent: June 20, 2017Assignee: AREVA Wind GmbHInventors: Joachim Arndt, Ansgar Kohne
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Patent number: 9624910Abstract: A hatch cover is provided for a hatch of a nacelle for a wind driven power plant. The hatch cover includes several segments configured to remain within a hatch opening when a hatch is in an open position.Type: GrantFiled: December 27, 2011Date of Patent: April 18, 2017Assignee: Areva Wind GmbHInventors: Ansgar Kohne, Joachim Arndt
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Publication number: 20170082141Abstract: A hybrid shaft bearing, a wind generator comprising the hybrid shaft bearing, a use of the hybrid shaft bearing and a method of operating the hybrid shaft bearing is provided. The hybrid shaft bearing comprises a hydrodynamic friction bearing and a rolling bearing. Both the hydrodynamic friction and rolling bearings cooperate with a support structure and rotatably support a shaft. The hydrodynamic friction bearing is a passive hydrodynamic bearing.Type: ApplicationFiled: March 20, 2015Publication date: March 23, 2017Inventors: Samer Mtauweg, Joachim Arndt, Klaus Pischel
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Publication number: 20140030111Abstract: A hatch cover is provided for a hatch of a nacelle for a wind driven power plant. The hatch cover includes several segments configured to remain within a hatch opening when a hatch is in an open position.Type: ApplicationFiled: December 27, 2011Publication date: January 30, 2014Applicant: AREVA WIND GMBHInventors: Ansgar Kohne, Joachim Arndt
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Publication number: 20130315735Abstract: A wind power installation includes a helicopter hoisting platform configured to be arranged on top of a nacelle of a wind driven power plant. The nacelle and the helicopter platform are configured such that a bottom surface of the helicopter hoisting platform is below a top surface of the nacelle.Type: ApplicationFiled: December 27, 2011Publication date: November 28, 2013Inventors: Joachim Arndt, Ansgar Kohne
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Patent number: 8237365Abstract: In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic.Type: GrantFiled: November 26, 2010Date of Patent: August 7, 2012Assignee: Osram AGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Patent number: 8026655Abstract: A lamp with a base at one end, in particular a high-pressure lamp, with a light bulb sealed in a vacuum-tight fashion, with the latter being surrounded by an outer bulb and an enveloping part, with a base supporting firstly the outer bulb and secondly the enveloping part, having the following features: a) the base has a base insulator which is produced from an insulating material and has a central opening which holds the outer bulb; b) the base insulator has a circular segment with a plateau; c) the enveloping part has a circular opening with a radially projecting edge which has a lower and upper contact face relative to the base on the base side, the lower contact face of the edge fitting together with the upper plateau of the circular, radially projecting segment on the base insulator; d) the enveloping part is attached to the base insulator by a cement-free mechanical holding mechanism, with an annular damping element being inserted between enveloping bulb and base insulator.Type: GrantFiled: May 20, 2009Date of Patent: September 27, 2011Assignee: OSRAM Gesellschaft mit beschränkter HaftungInventors: Joachim Arndt, Uwe Fidler
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Patent number: 8018157Abstract: Various embodiments provide an electric high-pressure lamp with a base at one end, with a wattage of at most 100 W and with a discharge vessel which is sealed in a vacuum-tight manner, said discharge vessel being surrounded by an inner bulb and furthermore by an outer bulb, a base with electrical terminals supporting the outer bulb on one side and the inner bulb on the other side, wherein an effective axial length of the inner bulb is defined as the length of said inner bulb without the ends, with the following geometrical relations with respect to the length being maintained: the volume VH of a hollow cylinder extending between the inner bulb and the outer bulb is given by 8 cm3?VH?15 cm3; the impact quality IG, defined as the product of the clear width between the inner bulb and the outer bulb and the square of the wall thickness of the outer bulb, in each case calculated in mm, is at least 8 mm3, with the result that the following applies: 8?IG.Type: GrantFiled: October 8, 2009Date of Patent: September 13, 2011Assignee: Osram AGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Patent number: 7967472Abstract: The light unit comprises a light source and a reflector. The light source is surrounded by an exterior pipe. Spring clips with a centering effect for the exterior bulb of the light source are anchored at the open end of the exterior pipe.Type: GrantFiled: November 8, 2006Date of Patent: June 28, 2011Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Joachim Arndt, Uwe Fidler, Markus Herb, Matthias Lenz
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Publication number: 20110148296Abstract: In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include an elongated discharge vessel that is accommodated in a tubular outer bulb which is held at one end in a base, the outer bulb being surrounded by a second outer bulb, wherein the second outer bulb is fastened in the region of the base.Type: ApplicationFiled: December 16, 2010Publication date: June 23, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Publication number: 20110148295Abstract: In various embodiments, a high-pressure discharge lamp is provided. The high-pressure discharge lamp may include a discharge vessel which is accommodated in a tubular outer bulb, wherein a major part of the outer bulb is closely surrounded by a transparent sleeve composed of highly heat-resistant plastic.Type: ApplicationFiled: November 26, 2010Publication date: June 23, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Publication number: 20110127910Abstract: In various embodiments, a metal halide discharge lamp is provided, which may include a ceramic discharge vessel containing a metal halide fill, including a tubular central part and two end sections which are configured asymmetrically, in each of which an electrode system is held, wherein a pointed first end section tapers as seen from the central part, while a blunt second end section either remains constant in its dimensions or widens as seen from the central part, a stopper being fitted at least in the blunt end.Type: ApplicationFiled: November 23, 2010Publication date: June 2, 2011Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Patent number: 7876032Abstract: The invention relates to a light unit, comprising a concave reflector (7) with an outlet opening and an axis, whereby the reflector encloses a light source running in the direction of the axis. The light source is enclosed at a separation from an open-ended cylindrical protective tube (16), with a glare shield (19), provided at the open end of the protective tube. The glare shield (19) is a sheet, cupped over the burst-protection tube, whereby the glare shield comprises a semi-circular end piece with a given maximum diameter, on which a straight cylindrical section of greater diameter is mounted which itself is further provided with an offset screen (21).Type: GrantFiled: February 2, 2006Date of Patent: January 25, 2011Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Joachim Arndt, Uwe Fidler, Markus Herb
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Publication number: 20100244647Abstract: A high-pressure discharge lamp may include a ceramic elongated discharge vessel with a central part and two ends and an axis, the ends being sealed by means of seals, electrodes, which extend into the discharge volume enveloped by the discharge vessel, being anchored in the seals at leadthroughs, and the leadthroughs being sealed in the seal by means of glass solder, and a fill being accommodated in the discharge volume, wherein a cover rests on at least one end of a seal, which has a hollow-cylindrical body which is matched to the diameter of the seal, the cover covering at least exposed glass solder.Type: ApplicationFiled: October 19, 2007Publication date: September 30, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Karen Twesten
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Patent number: 7791259Abstract: A light bulb (1) with a base and inner vessel sealed in a vacuum-tight manner and surrounded by an enveloping part is provided with an adapter (13) at the end thereof made from ceramic polymer and fixed in a base insulator (12). The base insulator and the enveloping part are fastened to each other. The base insulator may be provided in pieces which fasten together and hold the adapter. The adapter allows cementless fastening of the inner bulb. The base insulator and the adapter part have matching indexing and mating indexing means for holding the base insulator and the adapter part in position relative to each other. Multiple mating indexing means on the base insulator allow the adapter to assume secure position at multiple heights relative to the base insulator.Type: GrantFiled: February 2, 2006Date of Patent: September 7, 2010Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Joachim Arndt, Uwe Fidler, Markus Herb
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Publication number: 20100090600Abstract: Various embodiments provide an electric high-pressure lamp with a base at one end, with a wattage of at most 100 W and with a discharge vessel which is sealed in a vacuum-tight manner, said discharge vessel being surrounded by an inner bulb and furthermore by an outer bulb, a base with electrical terminals supporting the outer bulb on one side and the inner bulb on the other side, wherein an effective axial length of the inner bulb is defined as the length of said inner bulb without the ends, with the following geometrical relations with respect to the length being maintained: the volume VH of a hollow cylinder extending between the inner bulb and the outer bulb is given by 8 cm3?VH?15 cm3; the impact quality IG, defined as the product of the clear width between the inner bulb and the outer bulb and the square of the wall thickness of the outer bulb, in each case calculated in mm, is at least 8 mm3, with the result that the following applies: 8?IG.Type: ApplicationFiled: October 8, 2009Publication date: April 15, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Ralph Hauschild
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Publication number: 20100061103Abstract: The light unit comprises a light source and a reflector. The light source is surrounded by an exterior pipe. Spring clips with a centering effect for the exterior bulb of the light source are anchored at the open end of the exterior pipe.Type: ApplicationFiled: November 8, 2006Publication date: March 11, 2010Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNGInventors: Joachim Arndt, Uwe Fidler, Markus Herb, Matthias Lenz
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Publication number: 20090302736Abstract: A lamp with a base at one end, in particular a high-pressure lamp, with a light bulb sealed in a vacuum-tight fashion, with the latter being surrounded by an outer bulb and an enveloping part, with a base supporting firstly the outer bulb and secondly the enveloping part, having the following features: a) the base has a base insulator which is produced from an insulating material and has a central opening which holds the outer bulb; b) the base insulator has a circular segment with a plateau; c) the enveloping part has a circular opening with a radially projecting edge which has a lower and upper contact face relative to the base on the base side, the lower contact face of the edge fitting together with the upper plateau of the circular, radially projecting segment on the base insulator; d) the enveloping part is attached to the base insulator by a cement-free mechanical holding mechanism, with an annular damping element being inserted between enveloping bulb and base insulator.Type: ApplicationFiled: May 20, 2009Publication date: December 10, 2009Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Joachim Arndt, Uwe Fidler
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Publication number: 20090267477Abstract: The light source has external electrical power supply lines which are held in contact pins in the cap. The connection is made by crimping, with the electrical power supply line in each case having a plurality of notches.Type: ApplicationFiled: October 12, 2007Publication date: October 29, 2009Inventors: Joachim Arndt, Uwe Fidler, Markus Herb, Matthias Lenz