Patents by Inventor Willi Schneider
Willi Schneider 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: 7736134Abstract: A vane machine comprises an inner rotor (28) and an outer rotor (51). A plurality of radially extending vane elements (32) separates first vane chambers (89) from one another. The van elements (32), with a radially inner end region (34), are accommodated in the inner rotor (28) in a radially displaceable manner and, with a radially outer end region (36), are accommodated in the outer rotor (51) in a pivotable manner. It is proposed that the radially inner end regions (34) of the vane elements (32) be accommodated in the inner rotor (28) at a fixed angle and that the outer rotor (51) comprise individual shoes (38) which are separate for each vane element (32) and in which the vane elements (32) are accommodated in a pivotable manner.Type: GrantFiled: October 10, 2006Date of Patent: June 15, 2010Assignee: Joma-Polytec Kunststofftechnik GmbHInventor: Willi Schneider
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Publication number: 20100111722Abstract: The invention relates to a rotor pump having an internally toothed outer ring and an externally toothed inner ring which is mounted therein and intermeshes therewith, wherein the outer ring and the inner ring are arranged axis-parallel to one another, and the axes of the outer ring and of the inner ring are at a distance from one another, and the outer ring is connected to a hollow shaft motor with a stator which is fitted with windings, and to a rotor which is rotatably mounted therein, characterized in that the outer ring forms the rotor of the hollow shaft motor.Type: ApplicationFiled: January 6, 2010Publication date: May 6, 2010Applicant: Joma-Polytec Kunststofftechnik GmbHInventors: Willi Schneider, Torsten Helle
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Publication number: 20090169409Abstract: A vane machine comprises an inner rotor (28) and an outer rotor (51). A plurality of radially extending vane elements (32) separates first vane chambers (89) from one another. The van elements (32), with a radially inner end region (34), are accommodated in the inner rotor (28) in a radially displaceable manner and, with a radially outer end region (36), are accommodated in the outer rotor (51) in a pivotable manner. It is proposed that the radially inner end regions (34) of the vane elements (32) be accommodated in the inner rotor (28) at a fixed angle and that the outer rotor (51) comprise individual shoes (38) which are separate for each vane element (32) and in which the vane elements (32) are accommodated in a pivotable manner.Type: ApplicationFiled: October 10, 2006Publication date: July 2, 2009Inventor: Willi Schneider
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Patent number: 7540729Abstract: The disclosure relates to a vane cell pump having an inner rotor (12) and a plurality of vanes (18) which are secured in a pivotable manner to the external rotor (28) and which are displacably mounted in a radial manner in the inner rotor, essentially in radial slots (16). The external rotor is formed on guide blocks (22). Said guide blocks are guided, with the axial front sides thereof, on the guiding path and are guided along the internal circumferential surface of a stator (26). The guiding path is arranged in a guide ring (36).Type: GrantFiled: August 28, 2007Date of Patent: June 2, 2009Assignee: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Publication number: 20090078241Abstract: The invention relates to a method for adjusting a displacement pump that has a variable volume flow rate in an internal combustion engine. Said method comprises the following steps: the displacement pump is driven; the fluid is conveyed to the consumption points in the internal combustion engine; at least one characteristic value is determined from the exhaust gas flow of the internal combustion engine; said characteristic value is forwarded to a control device as an actual value signal; the actual value signal is compared to a given target value; a control signal is preprocessed from the deviation between the actual value signal and the target value; the control signal is fed to an actuator; the volume flow rate of the displacement pump is modified by means of the actuator in accordance with the control signal; the steps of the method are repeated until the actual value signal is identical to the target value.Type: ApplicationFiled: November 25, 2008Publication date: March 26, 2009Applicant: Joma-Hydromechanic GmbHInventors: Willi Schneider, Torsten Helle
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Publication number: 20090082901Abstract: The invention relates to a control device for the removal of a partial stack from a stack of paper sheets comprising a camera (30) for generating of a camera image, means (41) for generating of at least two substantially parallel light beams whose reflections (52, 53) on the stack of paper sheets are reproduced in the camera image (50), and means providing a control signal for the removal of a partial stack (12) using the distance (54) of the reflections (52, 53) in the camera image (50). Furthermore, the invention relates to un unstacking device for the removal of a partial stack from a stack of paper sheets, comprising a parting mechanism (20) with a parting knife (21), wherein the parting knife (21) can be swivelled upwards and/or downwards in order to be able to follow the paper progress upwards and/or downwards during unstacking.Type: ApplicationFiled: October 25, 2006Publication date: March 26, 2009Inventors: Rolf Schneider, Markus Wick, Willi Schneider
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Publication number: 20080279699Abstract: The disclosure relates to a feed pump for hydraulic media having an input and an output. A pressure-reducing element is connected to the output, at the output of the element the system pressure being present and the output being connected to a consumer, wherein the output is connected to the first input of a pump controller, the second input being connected to the output of the pressure-reducing element, and wherein the pump controller adjusts the feed pump toward maximum delivery if the system pressure is smaller than a minimum pressure or if the system pressure is smaller than the feed pressure, and wherein parallel to the pump controller a pressure limiter is switched such that at the first input thereof the feed pressure is present and at the control input the system pressure is present, wherein the pressure limiter opens if the feed pressure is greater than a desired quantity.Type: ApplicationFiled: September 2, 2007Publication date: November 13, 2008Applicant: Joma-Hydromechanic GmbHInventors: Willi Schneider, Torsten Helle
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Publication number: 20080014108Abstract: The present disclosure relates to a vane cell pump (12) which includes an internal rotor (16) and a plurality of vanes (20) which are displacably mounted in a radial manner in the internal rotor, essentially, in radial slots (18) and are directly or indirectly guided on the internal circumferential surface (26) of a stator (28). The axis of the stator and the axis of the internal rotor are offset in relation to each other and the stator (28) can be adjusted in relation to the internal rotor (16) in the radial direction and the offset can be altered. The stator (28) comprises a pivotable bearing (36) which is arranged in the housing of the vane cell pump. At least one piston section (42) protrudes from the stator, whereby the piston axis thereof (44) extends in the direction of the periphery to the pivotable bearing (36).Type: ApplicationFiled: August 27, 2007Publication date: January 17, 2008Applicant: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Publication number: 20070292291Abstract: The disclosure relates to a vane cell pump having an external rotor, an internal rotor and a plurality of vanes which are secured in a pivotable manner on the external rotor and which are displacably mounted in a radial manner in the inner rotor, essentially in radial slots. The external rotor is guided along the inner circumferential surface of a stator. The axis of the stator and the axis of the internal rotor are offset in relation to each other, and the stator can be adjusted in the radial direction in relation to the internal rotor and can be modified by the offset. Said stator is partially enclosed by a clamp which is mounted in a pivotable bearing in the housing of the vane cell pump. The clamp includes clamp arms which protrude on both sides of the pivotable bearing, which partially enclose, respectively, the stator.Type: ApplicationFiled: August 28, 2007Publication date: December 20, 2007Applicant: Joma-Hydromechanic GmbHInventors: Willi Schneider, Torsten Helle, Dirk Ehrenfeld
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Publication number: 20070292292Abstract: The disclosure relates to a vane cell pump having an inner rotor (12) and a plurality of vanes (18) which are secured in a pivotable manner to the external rotor (28) and which are displacably mounted in a radial manner in the inner rotor, essentially in radial slots (16). The external rotor is formed on guide blocks (22). Said guide blocks are guided, with the axial front sides thereof, on the guiding path and are guided along the internal circumferential surface of a stator (26). The guiding path is arranged in a guide ring (36).Type: ApplicationFiled: August 28, 2007Publication date: December 20, 2007Applicant: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Patent number: 7153110Abstract: Rotational pump with variable volume flow, comprising a pump housing having a suction connection and a pressure connection, an outer rotor with inner toothing which is rotatably disposed inside the housing, and an inner rotor with outer toothing which is eccentrically disposed in the outer rotor, and which can be driven by a drive shaft which is disposed in the pump housing parallel to the axis of the outer rotor, wherein a rotatable adjusting ring is provided coaxially to the drive shaft to change the volume flow in the pump housing, and in which the outer rotor is eccentrically and rotatably disposed, characterized in that a slider, which can change the size of at least one of the connections, is disposed, as viewed in the turning direction, between the pressure connection and the suction connection.Type: GrantFiled: November 21, 2003Date of Patent: December 26, 2006Assignee: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Publication number: 20060169371Abstract: A component, in particular a safety, structural or ground connection component for a motor vehicle, cast under pressure, and made of an aluminum alloy with the following composition (in wt. %): Mg: 1.0-4.5; Si: 0.2-1.3; Cu<0.3; Zn<0.1; Fe<0.3, Ti<0.3 and at least one element for reducing adherence to the mold which is Mn (0.3-1), Cr (0.1-0.4), Co (0.1-0.4), V (0.1-0.4) and Mo (0.1-0.4), other elements<0.05 each and 0.15 in total, the remainder being aluminum.Type: ApplicationFiled: December 17, 2002Publication date: August 3, 2006Inventors: Francois Cosse, Jean-Jacques Perrier, Stig Brusethaug, Jorunn Maeland, Lutz Storsberg, Willi Schneider, Gisele Perrier, Nicole Perrier
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Patent number: 7028659Abstract: The invention relates to a method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine involving the following method steps: operating the positive displacement pump; delivering the fluid to the consumption points in the internal combustion engine; determining at least one characteristic value of the internal combustion engine; forwarding this characteristic value as an actual value signal to a control device; comparing the actual value signal with a predetermined set-point value; preparing an actuating signal from the difference between the actual signal and the set-point value; feeding the actuating signal to an actuator; using the actuator to alter the volumetric flow of the positive displacement according to the actuating signal; repeating the method steps until the actual value signal is equal to the set-point value.Type: GrantFiled: February 22, 2002Date of Patent: April 18, 2006Assignee: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Publication number: 20050118033Abstract: The invention relates to a method for adjusting a volumetric flow-variable positive displacement pump in an internal combustion engine involving the following method steps: operating the positive displacement pump; delivering the fluid to the consumption points in the internal combustion engine; determining at least one characteristic value of the internal combustion engine; forwarding this characteristic value as an actual value signal to a control device; comparing the actual value signal with a predetermined set-point value; preparing an actuating signal from the difference between the actual signal and the set-point value; feeding the actuating signal to an actuator; using the actuator to alter the volumetric flow of the positive displacement according to the actuating signal; repeating the method steps until the actual value signal is equal to the set-point value.Type: ApplicationFiled: February 22, 2002Publication date: June 2, 2005Applicant: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Publication number: 20050085754Abstract: The invention relates to a device for externally immobilizing broken bones, particularly bones of the extremities. According to the invention, the device has a multi-articulartion rod that can be place don the outside of the body while extending along a broken bone. This rod comprises elements (1), which can move in relation to one another and can be fixed in appointed directions. One of the elements (1) has a bone pin (7), which can be held therein in a manner that permits it to turn and which is provided for being anchored inside the bone. In addition, the tip of at least one of the bone pins (7) is provided in the form of a screw having a self-tapping thread (8).Type: ApplicationFiled: February 10, 2003Publication date: April 21, 2005Inventors: Gerd Werding, Willi Schneider
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Publication number: 20050069447Abstract: Rotational pump with variable volume flow, comprising a pump housing having a suction connection and a pressure connection, an outer rotor with inner toothing which is rotatably disposed inside the housing, and an inner rotor with outer toothing which is eccentrically disposed in the outer rotor, and which can be driven by a drive shaft which is disposed in the pump housing parallel to the axis of the outer rotor, wherein a rotatable adjusting ring is provided coaxially to the drive shaft to change the volume flow in the pump housing, and in which the outer rotor is eccentrically and rotatably disposed, characterized in that a slider, which can change the size of at least one of the connections, is disposed, as viewed in the turning direction, between the pressure connection and the suction connection.Type: ApplicationFiled: November 21, 2003Publication date: March 31, 2005Inventor: Willi Schneider
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Publication number: 20050038425Abstract: The invention relates to a device for externally immobilizing broken bones, particularly bones of the extremities. According to the invention, interspaced bone pins (9), which are provided for insertion into the bone while passing through the skin and soft-tissue mantle are arranged on a multi-articulation rod. This multi-articulation rod can be placed on the outside of the body while extending along a broken bone and comprises elements (1), which are interconnected in a ball-and-socket type manner and which can be fixed in selected relative positions. The elements (1) have a ball (2) on one end and a ball socket (3) on the other end, and the ball (2) of one element is located inside the ball socket (3) of an adjacent element. The ball and ball socket each geometrically extend over more than one hemisphere, and the surfaces of the ball (2) and ball socket (3) are roughened.Type: ApplicationFiled: February 10, 2003Publication date: February 17, 2005Inventors: Gerd Werding, Willi Schneider
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Patent number: 6722856Abstract: The invention relates to a vane-cell pump comprising a pump rotor (20), provided with a radially displaceable rotor blade (22). Said pump rotor is mounted in a pump stator (12) which can be pivoted inside a pump bearing house (10) around a stationary pivotal axis (34) in a radial position with regard to said pump rotor. A control device (30) is associated with the pump stator (12) for automatic pressure adjustment. Said control device has an actuating member protruding on the outside, therefrom, perpendicular to the pivotal axis thereof. The actuating member forms a pivoting piston (38) in a guide element (10) of the pumpbearing housing (10) which is directly impinged upon by a pumping medium. The pivotable piston can pivot in a direction against the action of a pressure spring (50).Type: GrantFiled: August 7, 2002Date of Patent: April 20, 2004Assignee: Joma-Hydromechanic GmbHInventor: Willi Schneider
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Patent number: 6604924Abstract: A positive-displacement pump including a rotating vane disposed within a pump housing. The rotating vane is driven by a rotating drive shaft and the rotating vane is radially displaceable relative to the drive shaft wherein the ends of the rotating vane carry sealing strips that adjoin an inner wall of the pump housing. At least one energy storage device is included for engaging the vane and holding the sealing strips in sealing contact with the housing.Type: GrantFiled: March 14, 2001Date of Patent: August 12, 2003Assignees: Joma-Hydromechanic GmbH, Bayerische Motorenwerke AktiengesellschaftInventors: Willi Schneider, Peter Jeschonnek, Reiner Schmid
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Publication number: 20030012665Abstract: The invention relates to a vane-cell pump comprising a pump rotor (20), provided with a radially displaceable rotor blade (22). Said pump rotor is mounted in a pump stator (12) which can be pivoted inside a pump bearing house (10) around a stationary pivotal axis (34) in a radial position with regard to said pump rotor. A control device (30) is associated with the pump stator (12) for automatic pressure adjustment. Said control device has an actuating member protruding on the outside, therefrom, perpendicular to the pivotal axis thereof. The actuating member forms a pivoting piston (38) in a guide element (10) of the pumpbearing housing (10) which is directly impinged upon by a pumping medium. The pivotable piston can pivot in a direction against the action of a pressure spring (50).Type: ApplicationFiled: August 7, 2002Publication date: January 16, 2003Inventor: Willi Schneider