Patents by Inventor Harald Römer
Harald Römer 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: 8454868Abstract: The present invention is related to a method for testing multilayer tablets in a multiple rotary press, in which die holes of a circulating die plate are successively filled with tablet material of different layers in succeeding filling devices, and the tablet material is compressed one layer after the foregoing layer into pressed articles having n layers by means of synchronously circulating compression punches, and the pressed articles are subsequently ejected in an unloading station and taken out, in which in a testing procedure, pressed articles with m layers are taken out after the compression in a respective unloading station and are conveyed to a testing station, wherein applies 1<=m<=n, wherein before taking out the pressed articles, at least the m-th layer is compressed more strongly than during the normal manufacture of the multilayer tablets, wherein applies m<n.Type: GrantFiled: December 4, 2008Date of Patent: June 4, 2013Assignee: Fette GmbHInventors: Harald Roemer, Jan Naeve, Heinrich Behrmann, Kurt Marquardt
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Patent number: 8186988Abstract: A powder press, with a press frame, which comprises an upper and lower frame section, an upper linear drive attached to the upper frame section and a lower linear drive attached to the lower frame section, wherein the drives are connected to an upper and lower punch plate or a die table, respectively, wherein the punch plates have a clamping system for an upper or a lower punch, a die clamping system on a die table with a die, and at least one force measuring device for measuring the pressing force on at least one punch, characterized in that at least one force measuring device is disposed between a punch plate and the associated clamping system.Type: GrantFiled: June 26, 2009Date of Patent: May 29, 2012Assignee: Fette GmbHInventors: Udo Baltruschat, Stephan Mallon, Harald Römer, Jan Naeve, Ingo Schmidt
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Patent number: 8162650Abstract: A filling apparatus for a rotary tablet press, which itself being arranged stationarily is associated to a circulating die plate of a rotor of the tablet press, with a filling chamber, which features an upper inlet opening for powder-shaped compression material and a filling opening aligned with die bores of the die plate, and with a conveying means in the filling chamber driven by a drive motor, wherein the filling chamber is circular, one single disc-shaped filling wheel is rotatably mounted around a vertical axis in the filling chamber, which has plural wings on the perimeter, spaced apart in the perimeter direction, which sweep over the filling opening upon rotation of the filling wheel, and the inlet opening is arranged in a distance above the filling wheel, preferably approximately centered with the axis of the filling wheel.Type: GrantFiled: November 3, 2008Date of Patent: April 24, 2012Assignee: Fette GmbHInventors: Harald Roemer, Jan Naeve, Matthias Dederichs, Wolfgang Soltau, Ulrich Arndt
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Patent number: 8137089Abstract: A punch for a rotary press, which has a shaft and a head, wherein the head has an upper mirror surface, a cylinder surface and a rounded transition area between the mirror surface and cylinder surface with a first and a second radius, wherein the first radius is larger than the second radius and wherein the punch head also has a preferably conical transition area from the cylinder surface to the shaft, wherein the diameter of the head is less than 25 mm and the first radius of the transition area is selected such that its height is less than half the height of the cylinder surface.Type: GrantFiled: April 2, 2009Date of Patent: March 20, 2012Assignee: Fette GmbHInventors: Jürgen Schikowski, Friedrich Meissner, Jan Naeve, Harald Römer, Reinhard Wagner
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Patent number: 7951215Abstract: A filtering plant for removing dusts from gases, with a plurality of filter units, which are parallel connected to a line for crude gas and the outlets thereof are parallel connected to a line for purified gas, wherein an extraction blowing engine is connected to the line for purified gas, further with an apparatus for cleaning the filter units, which has a lower collecting space for the filter cake with a discharge opening with flap on the lower end of the collecting space, characterized in that the dust discharge openings of all the filter units except one are connected to a common collecting main and the collecting main is connected to the crude gas region of the one filter unit.Type: GrantFiled: December 20, 2007Date of Patent: May 31, 2011Assignee: Fette GmbHInventors: Harald Römer, Detlef Nuppenau, Eugen Krüger, Dieter Schmidt, Michael Markl, Bernd Granzow, Jens Mannshard
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Patent number: 7942662Abstract: A rotary press wherein the dosage drive and the compression roller drive have identical installation means, the stand has an upper and a lower accommodation platform and the accommodation platforms have identical accommodation means for the installation means on the sides facing each other, which are in a coincident arrangement with respect to each other.Type: GrantFiled: November 26, 2008Date of Patent: May 17, 2011Assignee: Fette GmbHInventors: Harald Roemer, Frank Schade, Peter Lueneburg
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Patent number: 7881058Abstract: A cooling system for a rotary tablet press with which a rotor is driven by an electrical drive motor and the rotor and drive motor are arranged in a closed housing, and a control cabinet for the drive motor and further units in the housing, wherein arranged within the housing is a cooling machine whose evaporator is part of a first heat exchanger, whose other part is arranged in a coolant circuit for the drive motor, a fan is arranged in a channel in the housing closed relative to the housing interior, where the fan draws cool air in via an air inlet of the housing and gives it off via an air outlet of the housing, wherein the cool air is engaged in heat exchange with a condenser of the cooling machine.Type: GrantFiled: July 18, 2008Date of Patent: February 1, 2011Assignee: Fette GmbHInventors: Harald Römer, Ingo Schmidt, Werner Seifert, Peter Lüneburg
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Patent number: 7799105Abstract: An apparatus for the elimination of dusts from gases, with a filter arrangement, which is flown through by a loaded volume flow, and a cyclone which is arranged upstream to the filter arrangement, wherein a collector funnel below the filter arrangement forms the cover of the cyclone, wherein a branch stub forming the dust outlet opening of the collector funnel forms the dip pipe of the cyclone and an outlet opening of the cyclone is connected to a dust collector tank arranged under it.Type: GrantFiled: March 25, 2008Date of Patent: September 21, 2010Assignee: Fette GmbHInventors: Detlef Nuppenau, Gabriele Oelerich, Dieter Schmidt, Eugen Krüger, Regine Wrage, Harald Römer
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Patent number: 7637728Abstract: A rotary tablet press, with a rotor driven by a driving motor, which has a die plate as well as an upper and a lower guiding for upper and lower punches, which co-operate with bores of the die plate, a stationary housing closely surrounding the rotor, which constitutes a pressing room, and with at least one ring-shaped sealing arrangement, which seals the housing against a punch guiding, wherein the sealing arrangement has a ring-shaped holder inside the housing, wherein the ring-shaped holder is axially movable between a first and a second position by means of a stationarily arranged lifting device, the sealing arrangement has a first sealing portion, which is continuously in engagement with a first sealing surface of the housing in the first and in the second position, and a second sealing portion which is in engagement with a second sealing surface of the punch guiding with a first sealing force in the first position and is in engagement with the second sealing surface in the second position either with aType: GrantFiled: September 12, 2008Date of Patent: December 29, 2009Assignee: Fette GmbHInventors: Harald Roemer, Wolfgang Soltau, Kai Huebner, Hans Wolf
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Publication number: 20090152751Abstract: The present invention is related to a method for testing multilayer tablets in a multiple rotary press, in which die holes of a circulating die plate are successively filled with tablet material of different layers in succeeding filling devices, and the tablet material is compressed one layer after the foregoing layer into pressed articles having n layers by means of synchronously circulating compression punches, and the pressed articles are subsequently ejected in an unloading station and taken out, in which in a testing procedure, pressed articles with m layers are taken out after the compression in a respective unloading station and are conveyed to a testing station, wherein applies 1<=m<=n, wherein before taking out the pressed articles, at least the m-th layer is compressed more strongly than during the normal manufacture of the multilayer tablets, wherein applies m<n.Type: ApplicationFiled: December 4, 2008Publication date: June 18, 2009Applicant: Fette GmbHInventors: Harald Roemer, Jan Naeve, Heinrich Behrmann, Kurt Marquardt
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Publication number: 20090142437Abstract: A filling apparatus for a rotary tablet press, which itself being arranged stationarily is associated to a circulating die plate of a rotor of the tablet press, with a filling chamber, which features an upper inlet opening for powder-shaped compression material and a filling opening aligned with die bores of the die plate, and with a conveying means in the filling chamber driven by a drive motor, wherein the filling chamber is circular, one single disc-shaped filling wheel is rotatably mounted around a vertical axis in the filling chamber, which has plural wings on the perimeter, spaced apart in the perimeter direction, which sweep over the filling opening upon rotation of the filling wheel, and the inlet opening is arranged in a distance above the filling wheel, preferably approximately centred with the axis of the filling wheel.Type: ApplicationFiled: November 3, 2008Publication date: June 4, 2009Applicant: FETTE GmbHInventors: Harald ROEMER, Jan NAEVE, Matthias DEDERICHS, Wolfgang SOLTAU, Ulrich ARNDT
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Publication number: 20090142438Abstract: A rotary press with a stand, in which a rotor driven by a drive motor is rotatably mounted around a vertical axis, wherein the rotor has an upper and a lower punch guide for upper and lower punches and a die plate between the punch guides, wherein further the compression punches co-operate with die bores of the die plate, and further with at least one filling- and dosage station arranged on a circle, which has a radial dosage cam element which is adjustable in its height by means of a dosage drive and which presets the height of the lower punches in the filling- and dosage station, with at least one compression station arranged on a circle with at least one upper and one lower compression roller, which co-operate with the upper and lower punches, wherein the compression rollers are adjustable in the height by a compression roller drive, and with fastening means for fastening the compression roller- and dosage drives on the stand, wherein the dosage drive and the compression roller drive have identical installType: ApplicationFiled: November 26, 2008Publication date: June 4, 2009Applicant: Fette GmbHInventors: Harald Roemer, Frank Schade, Peter Lueneburg
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Publication number: 20090072491Abstract: A rotary tablet press, with a rotor driven by a driving motor, which has a die plate as well as an upper and a lower guiding for upper and lower punches, which co-operate with bores of the die plate, a stationary housing closely surrounding the rotor, which constitutes a pressing room, and with at least one ring-shaped sealing arrangement, which seals the housing against a punch guiding, wherein the sealing arrangement has a ring-shaped holder inside the housing, wherein the ring-shaped holder is axially movable between a first and a second position by means of a stationarily arranged lifting device, the sealing arrangement has a first sealing portion, which is continuously in engagement with a first sealing surface of the housing in the first and in the second position, and a second sealing portion which is in engagement with a second sealing surface of the punch guiding with a first sealing force in the first position and is in engagement with the second sealing surface in the second position either with aType: ApplicationFiled: September 12, 2008Publication date: March 19, 2009Applicant: Fette GmbHInventors: Harald Roemer, Wolfgang Soltau, Kai Huebner, Hans Wolf
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Patent number: 7374414Abstract: Rotary press with a rotor, rotatingly drivable around a vertical axis of rotation, which has a die plate with die bores and upper and lower punches guided in guidings, radial cams for the upper and lower punches, at least one compression station with upper and lower pressing roller, at least one filling equipment and at least one stripping device for pressed articles which are ejected from the die bores, characterized in that the rotor has an annular plane situated radially outside of the graduated circle for the die bores, which is concentric to the axis of rotation and is lowered with respect to the upper side of the die plate about a predetermined degree, first deflection portion direct the ejected pressed articles to the annular plane and second deflection portion direct the pressed articles from the annular plane towards the outside.Type: GrantFiled: May 12, 2006Date of Patent: May 20, 2008Assignee: Fette GmbHInventors: Harald Römer, Ulrich Zeuschner, Thorsten Ehrich, Kurt Marquardt
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Patent number: 6471212Abstract: In a brush seal for sealing off the gap between a rotating and a stationary component, a plurality of radially inwardly running, elastically flexible brushes are held at one end in a basic body seated in a first of the components. They bear sealingly at the other end on the annular other component. The brushes bear, over their predominant longitudinal extent, on a guide plate. Both the basic body and the guide plate are seated in a groove of one of the components. The basic body and the guide plate are held in their mutual position by means of a wire mortised into the groove.Type: GrantFiled: September 18, 1998Date of Patent: October 29, 2002Assignee: AlstomInventors: Olaf Dierker, Harald Römer, Heinrich Roth
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Patent number: 6308407Abstract: In a method of manufacturing a plurality of steam turbines for use in various applications which differ in the respective thermodynamic parameters such as, for example, cooling-water temperature, ambient temperature, given boiler data, process-steam requirement, etc., the steam turbines in each case having at least one high-pressure part with first blading and a control-wheel stage for part-load operation, a simplification and cost saving is achieved owing to the fact that standard blading, which is identical for all the steam turbines, is used as first blading, and in that the adaption of the individual steam turbine to the thermodynamic parameters of the respective application is carried out by appropriate design or variation of the control-wheel stage.Type: GrantFiled: December 13, 1999Date of Patent: October 30, 2001Assignee: ABB Alstom Power (Schweiz) AGInventors: Peter Graf, Maurus Herzog, Pierre Meylan, Harald Römer