Patents by Inventor Jurgen Bohner
Jurgen Bohner 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: 10751730Abstract: A particle separating system for supplying a cam shaft phase adjuster with cleaned lubricating oil. The phase adjuster includes a stator, a rotor connectable to a cam shaft, and a control valve for hydraulically adjusting the rotational angular position of the rotor relative to the stator. The particle separating system includes an oil separator arranged in the flow of the lubricating oil, upstream of an oil gallery of an engine supplied with the lubricating oil, exhibiting a separation efficiency of at least 50% for particles having a size P1 and a separation efficiency of at least 90% at a size P2>P1; a particle separator arranged downstream of the oil separator and upstream of the phase adjuster or control valve, to clean the lubricating oil for the phase adjuster. The particle separator exhibits a separation efficiency of 50% at a size P3, where P1<P3<100 ?m.Type: GrantFiled: August 9, 2017Date of Patent: August 25, 2020Assignee: Schwäbische Hüttenwerke Automotive GmbHInventors: Uwe Meinig, Jürgen Bohner
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Patent number: 10704430Abstract: A phase setter for adjusting the rotational angular position of a cam shaft relative to a crankshaft of an internal combustion engine. The phase setter includes a stator; a rotor which together with the stator forms a first and second pressure chambers; a control valve featuring a pressure port, and first and second working ports; a feed for the inflow of pressure fluid to the pressure port, a first connecting channel connecting the first pressure chamber to the first working port, and a second connecting channel connecting the second pressure chamber to the second working port; and a reflux valve device acts in the feed and includes a valve structure extending annularly around the rotational axis and has one or more spring tongues or can be axially moved to restrict backflow of pressure fluid through the feed more significantly than the inflow of pressure fluid to the pressure port.Type: GrantFiled: November 28, 2018Date of Patent: July 7, 2020Assignee: Schwäbische Hüttenwerke Automotive GmbHInventors: Jürgen Bohner, Uwe Meinig
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Publication number: 20190162084Abstract: A phase setter for adjusting the rotational angular position of a cam shaft relative to a crankshaft of an internal combustion engine. The phase setter includes a stator; a rotor which together with the stator forms a first and second pressure chambers; a control valve featuring a pressure port, and first and second working ports; a feed for the inflow of pressure fluid to the pressure port, a first connecting channel connecting the first pressure chamber to the first working port, and a second connecting channel connecting the second pressure chamber to the second working port; and a reflux valve device acts in the feed and includes a valve structure extending annularly around the rotational axis and has one or more spring tongues or can be axially moved to restrict backflow of pressure fluid through the feed more significantly than the inflow of pressure fluid to the pressure port.Type: ApplicationFiled: November 28, 2018Publication date: May 30, 2019Inventors: JÜRGEN BOHNER, UWE MEINIG
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Publication number: 20180043374Abstract: A particle separating system for supplying a cam shaft phase adjuster with cleaned lubricating oil. The phase adjuster includes a stator, a rotor connectable to a cam shaft, and a control valve for hydraulically adjusting the rotational angular position of the rotor relative to the stator. The particle separating system includes an oil separator arranged in the flow of the lubricating oil, upstream of an oil gallery of an engine supplied with the lubricating oil, exhibiting a separation efficiency of at least 50% for particles having a size P1 and a separation efficiency of at least 90% at a size P2>P1; a particle separator arranged downstream of the oil separator and upstream of the phase adjuster or control valve, to clean the lubricating oil for the phase adjuster. The particle separator exhibits a separation efficiency of 50% at a size P3, where P1<P3<100 ?m.Type: ApplicationFiled: August 9, 2017Publication date: February 15, 2018Inventors: Uwe Meinig, Jürgen Bohner
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Patent number: 9546658Abstract: A gas pump including a first housing part (1) comprising a sealing surface (6); a second housing part (2) comprising a sealing surface (7); a delivery chamber (3) comprising an inlet (4) and an outlet (5) for a gas; and a delivery device (11, 12), which can be moved within the delivery chamber (3), for delivering the gas, wherein the housing parts (1, 2) are joined to each other such that they at least partially enclose the delivery chamber (3) over a circumference of the chamber, and such that their sealing surfaces (6, 7) abut each other in order to seal off the delivery chamber (3), and wherein a sealing recess (9) extends in at least one of the sealing surfaces (6, 7) around the delivery chamber (3) and is filled with a sealing liquid when the gas pump is in operation.Type: GrantFiled: December 10, 2013Date of Patent: January 17, 2017Assignee: SCHWÄBISCHE HÜTTENWERKE AUTOMOTIVE GMBHInventors: Jürgen Bohner, Sven Peters
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Patent number: 9200546Abstract: A device for adjusting the rotational angular position of a cam shaft relative to a crankshaft of a combustion engine includes a supply branch for supplying pressure fluid to setting chambers to generate torque acting on a rotor; and a pressure storage device arranged in the supply branch and including a spring and a storage chamber which can be filled with the pressure fluid against a spring force of the spring, wherein the storage chamber begins to fill, against the spring force, at a start-of-filling pressure which is at most as large as a hot idling pressure which the pressure fluid exhibits when the combustion engine is idling in its hot operational state, and continues to be filled against the spring force if the hot idling pressure is exceeded.Type: GrantFiled: December 8, 2011Date of Patent: December 1, 2015Assignee: Schwabische Huttenwerke Automotive GmbHInventors: Uwe Meinig, Jürgen Bohner, Franz Maucher
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Patent number: 8910602Abstract: A control valve for controlling a pressure fluid, said control valve comprising: a valve housing (10) comprising a valve inlet (P) for the pressure fluid, a control port (A, B) for connecting to an assembly which is to be operated using the pressure fluid, and a valve outlet (TA, TB); a valve piston (20) which can be moved in the valve housing (10) along an axis (R) and which comprises a hollow space (21) through which the pressure fluid can flow from the valve inlet (P) to the control port (A, B); and a filter device (30) which is arranged in the control valve and comprises a filter cross-section (35) which filters the pressure fluid as it passes through it, wherein at least a part of the filter cross-section (35) of the filter device (30) is situated in the hollow space (21) of the valve piston (20).Type: GrantFiled: October 4, 2012Date of Patent: December 16, 2014Assignee: Schwabische Huttenwerke Automotive GmbHInventors: Jürgen Bohner, Jens Krüger, Uwe Meinig
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Publication number: 20140161645Abstract: A gas pump including a first housing part (1) comprising a sealing surface (6); a second housing part (2) comprising a sealing surface (7); a delivery chamber (3) comprising an inlet (4) and an outlet (5) for a gas; and a delivery device (11, 12), which can be moved within the delivery chamber (3), for delivering the gas, wherein the housing parts (1, 2) are joined to each other such that they at least partially enclose the delivery chamber (3) over a circumference of the chamber, and such that their sealing surfaces (6, 7) abut each other in order to seal off the delivery chamber (3), and wherein a sealing recess (9) extends in at least one of the sealing surfaces (6, 7) around the delivery chamber (3) and is filled with a sealing liquid when the gas pump is in operation.Type: ApplicationFiled: December 10, 2013Publication date: June 12, 2014Applicant: SCHWÄBISCHE HÜTTENWERKE AUTOMOTIVE GMBHInventors: Jürgen Bohner, Sven Peters
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Patent number: 8523535Abstract: An adjusting valve adjusting valve for adjusting the delivery volume of a displacement pump includes a valve casing, a valve piston which is mounted such that the valve piston can be moved within the valve casing, a valve spring which counteracts a force exerted by the valve-actuating pressure on the valve piston, and an adjusting device serving to adjust the valve piston in the direction of or counter to the force exerted by the valve-actuating pressure. A displacement pump exhibiting an adjustable delivery volume, includes a pump casing, a delivery chamber formed in the pump casing and a delivery member and the adjusting valve for adjusting the delivery volume, arranged in a flow of the fluid delivered by the delivery member.Type: GrantFiled: July 11, 2008Date of Patent: September 3, 2013Assignee: Schwabische Huttenwerke Automotive GmbH & Co. KGInventors: Christof Lamparski, Jürgen Bohner
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Publication number: 20120145100Abstract: A device for adjusting the rotational angular position of a cam shaft relative to a crankshaft of a combustion engine includes a supply branch for supplying pressure fluid to setting chambers to generate torque acting on a rotor; and a pressure storage device arranged in the supply branch and including a spring and a storage chamber which can be filled with the pressure fluid against a spring force of the spring, wherein the storage chamber begins to fill, against the spring force, at a start-of-filling pressure which is at most as large as a hot idling pressure which the pressure fluid exhibits when the combustion engine is idling in its hot operational state, and continues to be filled against the spring force if the hot idling pressure is exceeded.Type: ApplicationFiled: December 8, 2011Publication date: June 14, 2012Applicant: Schwabische Huttenwerke Automotive GmbHInventors: Uwe Meinig, Jürgen Bohner, Franz Maucher
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Patent number: 8061317Abstract: A device for adjusting the phase position of a cam shaft of an internal combustion engine and for supplying an assembly with a partial vacuum, said device comprising: a phase setter for adjusting the phase position of the cam shaft relative to a crankshaft of the internal combustion engine; a vacuum pump for the assembly; and an attachment housing for the vacuum pump, wherein the attachment housing is mounted on the internal combustion engine and forms a housing or at least a housing cover for the phase setter.Type: GrantFiled: April 25, 2008Date of Patent: November 22, 2011Assignee: Schwabische Huttenwerke Automotive GmbH & Co. KGInventors: Jürgen Bohner, Claus Welte, Franz Maucher
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Patent number: 7967580Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.Type: GrantFiled: January 21, 2009Date of Patent: June 28, 2011Assignee: Dr. Ing h.c. F. Porsche AGInventors: Norman Wöckel, Jürgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gärtner
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Patent number: 7544052Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.Type: GrantFiled: June 23, 2006Date of Patent: June 9, 2009Assignee: Dr. Ing. h.c.F. Porsche AktiengesellschaftInventors: Norman Wöckel, Jürgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gärtner
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Publication number: 20090123314Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.Type: ApplicationFiled: January 21, 2009Publication date: May 14, 2009Applicants: DR. ING. H.C. F. PORSCHE AKTIENGESELLSCHAFT, SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBHInventors: Norman Wockel, Jurgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gartner
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Publication number: 20090041605Abstract: An adjusting valve adjusting valve for adjusting the delivery volume of a displacement pump includes a valve casing, a valve piston which is mounted such that the valve piston can be moved within the valve casing, a valve spring which counteracts a force exerted by the valve-actuating pressure on the valve piston, and an adjusting device serving to adjust the valve piston in the direction of or counter to the force exerted by the valve-actuating pressure. A displacement pump exhibiting an adjustable delivery volume, includes a pump casing, a delivery chamber formed in the pump casing and a delivery member and the adjusting valve for adjusting the delivery volume, arranged in a flow of the fluid delivered by the delivery member.Type: ApplicationFiled: July 11, 2008Publication date: February 12, 2009Applicant: Schwabische Huttenwerke Automotive GmbH & Co. KGInventors: Christof Lamparski, Jurgen Bohner
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Publication number: 20080283010Abstract: A device for adjusting the phase position of a cam shaft of an internal combustion engine and for supplying an assembly with a partial vacuum, said device comprising: a phase setter for adjusting the phase position of the cam shaft relative to a crankshaft of the internal combustion engine; a vacuum pump for the assembly; and an attachment housing for the vacuum pump, wherein the attachment housing is mounted on the internal combustion engine and forms a housing or at least a housing cover for the phase setter.Type: ApplicationFiled: April 25, 2008Publication date: November 20, 2008Applicant: SCHWABISCHE HUTTENWERKE AUTOMOTIVE GMBH & CO. KGInventors: Jurgen Bohner, Claus Welte, Franz Maucher
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Publication number: 20070009372Abstract: An oil pump for an internal combustion engine for drawing up the lubricating oil situated in an oil collector device has an oil pump housing wherein at least two pairs of gears are disposed. The pairs of gears, in order to form the pumping stages, are connected on the suction side to a suction passage formed in the oil pump housing and on the delivery side to a delivery passage. The oil pump housing is further formed with an oil supply passage that is connected to the suction passage of a first pumping stage and via which lubricating oil can be delivered to the suction side of the first pumping stage.Type: ApplicationFiled: June 23, 2006Publication date: January 11, 2007Inventors: Norman Wockel, Jurgen Bohner, Kurt Schlegel, Sven Peters, Paul Wahl, Hilmar Gartner
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Patent number: 6544019Abstract: The invention is related to a pump, preferably a positive-displacement pump, comprising: a) a rotary drive member (1) driven at a speed dependent on a speed of a driving motor; b) a casing (3); c) and a first feed wheel (5) arranged in said casing (3), said first feed wheel (5) being coupled to said rotary drive member (1) for introducing a torque; d) said first feed wheel (5) forming, with the walls of said casing alone or in conjunction with a second feed wheel (6), a delivery space (7) comprising a low-pressure side (8) connected to a pump inlet port and a high-pressure side (9) connected to a pump outlet port; wherein: e) limiting delivery of said pump is achieved by using a magnetic clutch (11-17) which couples said rotary drive member (1) to said first feed wheel (5) for transmitting said torque; f) an input half (11-14) of said magnetic clutch (11-17) is non-rotatably connected to said rotary drive member (1), and an output half (15-17) of said magnetic clutch (11-17) is non-rotatably connectedType: GrantFiled: July 13, 2001Date of Patent: April 8, 2003Assignee: Schwäbische Hüttenwerke GmbHInventors: Hans Martin, Jürgen Bohner, Raimund Rosch
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Publication number: 20020068000Abstract: The invention is related to a pump, preferably a positive-displacement pump, comprising:Type: ApplicationFiled: July 13, 2001Publication date: June 6, 2002Inventors: Hans Martin, Jurgen Bohner, Raimund Rosch
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Patent number: 6057270Abstract: The invention relates to new substituted pyrazol derivatives of general formula (I) in which: R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have the meanings given in the description, agents with herbicidal action containing at least one compound of formula (I), and their use as herbicides.Type: GrantFiled: July 7, 1999Date of Patent: May 2, 2000Assignee: Hoechst Schering AgrEvo GmbHInventors: Jens Geisler, Helga Franke, Uwe Hartfiel, Michael Ganzer, Jurgen Bohner, Richard Rees