Patents by Inventor Rupert Pfaller
Rupert Pfaller 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: 20130330794Abstract: The invention relates to a production strain for producing 2,3-butanediol. Said production strain has an acetolactate synthase activity 2—68 times higher than the original strain. The invention also relates to a method for producing 2,3-butanediol by fermentation by means of said production strain.Type: ApplicationFiled: January 30, 2012Publication date: December 12, 2013Applicant: WACKER CHEMIE AGInventor: Rupert Pfaller
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Publication number: 20130316418Abstract: The invention relates to a production strain for producing 2,3-butanediol. Said production strain can be produced from an original strain selected from the genes Klebsiella, Raoultella, Paenibacillus and Bacillus and has an acetoin reductase activity at least 3.6-34.8 times higher than the original strain. The invention also relates to the production of 2,3-butanediol by means of said production strain.Type: ApplicationFiled: January 30, 2012Publication date: November 28, 2013Applicant: WACKER CHEMIE AGInventor: Rupert Pfaller
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Publication number: 20130316419Abstract: The invention relates to a microorganism strain which has an acetolactate decarboxylase activity 2-12.8 times higher than the non-improved original strain. The invention also relates to a method for producing 2,3-butanediol (2,3-BDL) by fermentation by means of said strain.Type: ApplicationFiled: January 30, 2012Publication date: November 28, 2013Applicant: WACKER CHEMIE AGInventor: Rupert Pfaller
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Patent number: 8586344Abstract: The invention relates to a tubular photobioreactor that has a core structure in the shape of a truncated cone and one or more transparent or translucent tubes which are helically wound around the outer surface and/or inner surface of the core structure. The tubular photobioreactor is characterized in that the transparent or translucent tube has at least two chambers, through at least one of which the cultivation medium flows and through at least one of which a heat transfer medium flows.Type: GrantFiled: October 19, 2010Date of Patent: November 19, 2013Assignee: Wacker Chemie AGInventors: Christoph Mueller-Rees, Rupert Pfaller, Christian Walter, Fritz Cotta
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Publication number: 20130034442Abstract: A lead lag damper (10, 11) for a helicopter rotor unit has a rotor and a hub (8), said rotor having N rotor modes, with N being the number of blades. This centered single lead lag damper (10, 11) for the entire rotor unit has an essentially cylindrical shape, with an elastomer material shear element between a first side (7) and a second side (9) having a homogenous resistance to shear deformation and being axially preloaded, so that the lead lag damper (10, 11) acts in a homogenous manner in the rotor inplane eigenmodes. Thus, the lead lag damper (10, 11) acts as a single unit on the critical inplane mode of the rotor, which is having N identical blades (1-4). The elastomeric material is loaded by a uniform shear deformation in contrary to the commonly used oscillatory deformation.Type: ApplicationFiled: July 31, 2012Publication date: February 7, 2013Applicant: EUROCOPTER DEUTSCHLAND GMBHInventors: Bernard Enenkl, Rupert Pfaller
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Publication number: 20130034443Abstract: A planar flexbeam unit (1, 40) as interface between a rotor shaft (2) and a multi-blade rotor, especially for a multi-blade main rotor of a helicopter. The planar flexbeam unit (1, 40) comprises a plurality of essentially planar torque arms (3-7, 41-46), each torque arm (3-7, 41-46) having essentially a concave profile (8) along its radial extension and being integral with its adjacent torque arms (3-7, 41-46). Each of said torque arms (3-7, 41-46) comprises two bundles (10-14) of straight, essentially uni-directional fibers agglomerated by a hardened synthetic resin and arranged along the essentially concave profile (8) along its radial extension. Each of said bundles passing into two essentially opposed torque arms (3-7, 41-46) without remarkable change of direction.Type: ApplicationFiled: August 2, 2012Publication date: February 7, 2013Applicant: EUROCOPTER DEUTSCHLAND GMBHInventors: Rupert Pfaller, Bernhard Enenkl
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Publication number: 20120202290Abstract: The invention relates to a tubular photobioreactor that has a core structure in the shape of a truncated cone and one or more transparent or translucent tubes which are helically wound around the outer surface and/or inner surface of the core structure. Said tubular photobioreactor is characterized in that the transparent or translucent tube has at least two chambers, through at least one of which the cultivation medium flows and through at least one of which a heat transfer medium flows.Type: ApplicationFiled: October 19, 2010Publication date: August 9, 2012Applicant: WACKER CHEMIE AGInventors: Christoph Mueller-Rees, Rupert Pfaller, Christian Walter, Fritz Cotta
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Patent number: 8215908Abstract: An aerodynamic profile includes a main profile body defining a profile depth direction and being shear-flexible in the profile depth direction, a tension-stiff and compression-stiff upper covering skin, a tension-stiff and compression-stiff lower covering skin, wherein the upper and lower covering skins envelope the main profile body, a bearingless and hingeless rear profile deformation region disposed at a rear edge region, and at least one actuator disposed in the main profile body. The at least one actuator is configured to initiate a flexural motion of the main profile body resulting in a curvature of the upper and lower covering skins and to deform the rear profile deformation region and so as to yield a flap deflection directed opposite to a direction of the flexural motion.Type: GrantFiled: March 14, 2008Date of Patent: July 10, 2012Assignee: Eurocopter Deutschland GmbHInventors: Andree Altmikus, Rupert Pfaller, Bernhard Enenkl
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Publication number: 20120134835Abstract: A connection means (1) for mounting a rotor blade (2) to a rotor hub, particularly for mounting a rotor blade (2) to a rotor hub of a helicopter, with at least two bolts (4, 5) inserted vertically relative to a main plane of said rotor blade (2) into an end (7) of said rotor blade (2) that is generally directed towards the rotor hub. At least two bolts (4, 5) are arranged distant from each other along a longitudinal axis (6) of said rotor blade (2) to said rotor hub.Type: ApplicationFiled: November 2, 2011Publication date: May 31, 2012Applicant: EUROCOPTER DEUTSCHLAND GMBHInventors: Elif Ahci-Ezgi, Rupert Pfaller, Lukas Schimke, Wolfgang Wagner
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Publication number: 20120135514Abstract: The invention relates to a bioreactor for cultivating phototrophic organisms in an aqueous culture medium. The reactor parts and/or fittings that come into contact with the culture medium are entirely or partially coated with a silicone layer, and the surface of the silicone layer has a contact angle to the water of at least 100°.Type: ApplicationFiled: August 6, 2010Publication date: May 31, 2012Applicant: Wacker Chemie AGInventors: Christoph Muller-Rees, Rupert Pfaller
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Publication number: 20120135513Abstract: The invention relates to a bioreactor for cultivating phototrophic organisms in an aqueous culture medium, the reactor parts that come into contact with the culture medium being entirely or partially produced from silicone materials. The invention is characterized in that the silicone materials are produced from addition-crosslinked silicones, and the surface of the silicone materials has a contact angle to the water of at least 100°.Type: ApplicationFiled: August 6, 2010Publication date: May 31, 2012Inventors: Christoph Müller-Rees, Rupert Pfaller
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Patent number: 8128367Abstract: A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade segment. The inner rotor blade segment includes a blade root region and an aerodynamically effective rotor blade profile having a front profile region and a rear profile region relative to a blade depth direction. The front profile region includes a spar disposed in the blade root region and extending in the blade radius direction, the front profile region and spar embodied as a torsionally flexible hollow body in a region of the inner rotor blade segment, and the rear profile region being torsionally stiff. The front profile region and the rear profile are separated by a separation distance in the inner rotor blade segment. The torsional flexibility of the front profile region and the separation distance decreases with increasing blade radius in the inner rotor blade segment.Type: GrantFiled: March 14, 2008Date of Patent: March 6, 2012Assignee: Eurocopter Deutschland GmbHInventors: Bernhard Enenkl, Rupert Pfaller
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Publication number: 20100181415Abstract: The invention relates to a rotor blade (20), especially for a rotary wing aircraft.Type: ApplicationFiled: June 5, 2008Publication date: July 22, 2010Applicants: EUROCOPTER DEUTSCHLAND GMBH, EADS DEUTSCHLAND GMBHInventors: Andree Altmikus, Markus Bauer, Boris Grohmann, Stephan Mangelsdorf, Christoph Maucher, Rupert Pfaller, Elif Ahci
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Publication number: 20100090067Abstract: An aerodynamic profile (10) for aircraft, in particular for rotary wing aircraft, which profile (10) includes a cover skin (14, 15) on the pressure side and on the suction side, with a profile contour that is controllably formable in the rear profile region (13) by actuators (30), wherein each cover skin (14, 15) is designed as a non-shear-resistant sandwich that includes a film or foil (21, 22) which is connected to a non-shear-resistant core (20), wherein the cover skins (14, 15) are held in their profile shape by flexible webs (17).Type: ApplicationFiled: May 27, 2009Publication date: April 15, 2010Applicant: EUROCOPTER DEUTSCHLAND GMBHInventor: Rupert PFALLER
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Publication number: 20080226459Abstract: A rotor blade for a bearingless rotor of a rotorcraft includes a flapwise-flexible and lead-lag-flexible rotor blade attachment region, an inner rotor blade segment, and an outer rotor blade segment. The inner rotor blade segment includes a blade root region and an aerodynamically effective rotor blade profile having a front profile region and a rear profile region relative to a blade depth direction. The front profile region includes a spar disposed in the blade root region and extending in the blade radius direction, the front profile region and spar embodied as a torsionally flexible hollow body in a region of the inner rotor blade segment, and the rear profile region being torsionally stiff. The front profile region and the rear profile are separated by a separation distance in the inner rotor blade segment. The torsional flexibility of the front profile region and the separation distance decreases with increasing blade radius in the inner rotor blade segment.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Inventors: Bernhard Enenkl, Rupert Pfaller
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Publication number: 20080226448Abstract: An aerodynamic profile includes a main profile body defining a profile depth direction and being shear-flexible in the profile depth direction, a tension-stiff and compression-stiff upper covering skin, a tension-stiff and compression-stiff lower covering skin, wherein the upper and lower covering skins envelope the main profile body, a bearingless and hingeless rear profile deformation region disposed at a rear edge region, and at least one actuator disposed in the main profile body. The at least one actuator is configured to initiate a flexural motion of the main profile body resulting in a curvature of the upper and lower covering skins and to deform the rear profile deformation region and so as to yield a flap deflection directed opposite to a direction of the flexural motion.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Inventors: Andree Altmikus, Rupert Pfaller, Bernhard Enenkl
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Rotor, rotocraft comprising a rotor of this type and method for adjusting the blade angle of a rotor
Patent number: 7384238Abstract: A rotor, in particular for a rotorcraft, encompassing: a rotor head, at least one rotor blade, and a rotor-head-end rotor-blade connector having an integral, bearingless, centrifugal-force-controlled blade angle adjustment device. A rotorcraft, in particular a helicopter, in particular a tiltrotor helicopter, encompassing at least one such rotor. A method for adjusting the blade angle of a rotor blade of a rotor, in particular of a bearingless rotor that possesses a rotor head and a rotor-head-end rotor-blade connector, encompassing the following steps: rotating the rotor blade; and automatically adjusting the blade angle by twisting the rotor-head-end rotor-blade connector, and thus the rotor blade, about its longitudinal axis by means of centrifugal forces acting on the rotor blade.Type: GrantFiled: April 6, 2004Date of Patent: June 10, 2008Assignee: Eurocopter Deutschland GmbHInventors: Gerold Becker, Rupert Pfaller -
Patent number: 7275913Abstract: A rotor, comprising at least one rotor blade connectable to a rotor head, which rotor blade possesses a blade neck having a virtual flapping hinge in the form of a flexurally soft, flexurally elastic blade-neck portion, there being provided, in a blade-connector region of the blade neck, two auxiliary flapping hinges, spaced apart from one another in the radial longitudinal direction of the rotor blade with reference to a rotor radius, between which the virtual flapping hinge is substantially disposed and between which the blade neck is deformable in flexurally elastic and curved fashion in the context of a flapwise motion. A rotorcraft, in particular a helicopter, in particular a tiltrotor helicopter, having at least one such rotor.Type: GrantFiled: April 6, 2004Date of Patent: October 2, 2007Assignee: Eurocopter Deutschland GmbHInventors: Gerold Becker, Rupert Pfaller
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Patent number: 7270516Abstract: A hingeless rotor, in particular for a rotorcraft, comprising: a rotor head, a rotor mast having a rotor axis, a torque-transmission element nonrotatably joined to the rotor mast, at least one rotor blade, and a rotor-head-side rotor-blade connector having a centrifugal-force-discharging blade connector loop, which loop encircles the rotor axis or the rotor mast and is nonrotatably joined to the torque-transmission element.Type: GrantFiled: April 6, 2004Date of Patent: September 18, 2007Assignee: Eurocopter Deutschland GmbHInventors: Gerold Becker, Rupert Pfaller
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Publication number: 20070212766Abstract: A method of producing a chiral secondary alcohol in which a biotransformation composition containing a ketone of the formula (I), R1 and R2 being different and each being an organic radical, an oxidoreductase and a co-substrate is reacted to form a chiral secondary alcohol with the adsorbent being associated with the oxidoreductase. The adsorbent associated with the oxidorecutase is separated off from the biotransformation composition after completion of the reaction.Type: ApplicationFiled: March 7, 2007Publication date: September 13, 2007Inventors: Rupert Pfaller, Jurgen Stohrer