Patents by Inventor Christof Lamparski
Christof Lamparski 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: 8770955Abstract: A rotary pump having a variable delivery volume, including: a casing; a delivery chamber formed in the casing; at least one delivery rotor which is rotatable in the delivery chamber; an actuating member which is arranged facing a front face of the delivery rotor or surrounds the delivery rotor, and is moveable in the casing for adjusting the delivery volume; the actuating member chargeable with an actuating force which is dependent on a fluid requirement; a track which is formed in the casing and guides the actuating member on an actuating member sliding surface in a sliding contact; and a sliding material which forms at least one of the track and the actuating member sliding surface.Type: GrantFiled: May 4, 2012Date of Patent: July 8, 2014Assignee: Schwabische Huttenwerke Automotive GmbHInventor: Christof Lamparski
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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: 20120219448Abstract: A rotary pump having a variable delivery volume, including: a casing; a delivery chamber formed in the casing; at least one delivery rotor which is rotatable in the delivery chamber; an actuating member which is arranged facing a front face of the delivery rotor or surrounds the delivery rotor, and is moveable in the casing for adjusting the delivery volume; the actuating member chargeable with an actuating force which is dependent on a fluid requirement; a track which is formed in the casing and guides the actuating member on an actuating member sliding surface in a sliding contact; and a sliding material which forms at least one of the track and the actuating member sliding surface.Type: ApplicationFiled: May 4, 2012Publication date: August 30, 2012Applicant: Schwäbische Hüttenwerke Automotive GmbH & Co., KGInventor: Christof Lamparski
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Patent number: 8186982Abstract: A rotary pump having a variable delivery volume, comprising: a casing; a delivery chamber formed in the casing; at least one delivery rotor which is rotatable in the delivery chamber; an actuating member which is arranged facing a front face of the delivery rotor or surrounds the delivery rotor, and is moveable in the casing for adjusting the delivery volume; the actuating member chargeable with an actuating force which is dependent on a fluid requirement; a track which is formed in the casing and guides the actuating member on an actuating member sliding surface in a sliding contact; and a sliding material which forms at least one of the track and the actuating member sliding surface.Type: GrantFiled: April 4, 2011Date of Patent: May 29, 2012Assignee: Schwabische Huttenwerke Automotive GmbH & Co. KGInventor: Christof Lamparski
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Publication number: 20110182760Abstract: A rotary pump having a variable delivery volume, comprising: a casing; a delivery chamber formed in the casing; at least one delivery rotor which is rotatable in the delivery chamber; an actuating member which is arranged facing a front face of the delivery rotor or surrounds the delivery rotor, and is moveable in the casing for adjusting the delivery volume; the actuating member chargeable with an actuating force which is dependent on a fluid requirement; a track which is formed in the casing and guides the actuating member on an actuating member sliding surface in a sliding contact; and a sliding material which forms at least one of the track and the actuating member sliding surface.Type: ApplicationFiled: April 4, 2011Publication date: July 28, 2011Applicant: Schwabische Huttenwerke Automotive GmbH & Co. KGInventor: CHRISTOF LAMPARSKI
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Patent number: 7654806Abstract: An external toothed wheel pump, comprising a delivery chamber comprising an inlet and an outlet for a fluid; a first feed wheel and a second feed wheel which can be rotationally driven for delivering the fluid and are in a toothed engagement with each other which separates the outlet from the inlet; and sealing surfaces which axially face the feed wheels and form axial sealing gaps with the feed wheels, wherein at least one of the sealing surfaces comprises a relieving pocket on a high-pressure side of the delivery chamber only and except for the relieving pocket, extends circumferentially up to at least the root circle and tip circle of the axially facing feed wheel.Type: GrantFiled: March 9, 2007Date of Patent: February 2, 2010Assignee: Shwaebische Huettenwerke Automotive GmbH & Co. KGInventors: Markus Hanst, Martin Korn, Jörg Weissgärber, Christof Härle, Christof Lamparski
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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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Patent number: 7427192Abstract: A toothing of a toothed wheel, consisting of tooth tips and tooth roots of teeth which are formed by second or higher order curves, wherein said curves point tangentially toward each other at their ends, and wherein at least the curves forming the tooth tips or at least the curves forming the tooth roots are not cycloids.Type: GrantFiled: February 27, 2003Date of Patent: September 23, 2008Assignee: Schwabische Huttenwerke GmbHInventors: Christof Lamparski, Sven Peters
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Publication number: 20080025862Abstract: An external toothed wheel pump, comprising a delivery chamber comprising an inlet and an outlet for a fluid; a first feed wheel and a second feed wheel which can be rotationally driven for delivering the fluid and are in a toothed engagement with each other which separates the outlet from the inlet; and sealing surfaces which axially face the feed wheels and form axial sealing gaps with the feed wheels, wherein at least one of the sealing surfaces comprises a relieving pocket on a high-pressure side of the delivery chamber only and except for the relieving pocket, extends circumferentially up to at least the root circle and tip circle of the axially facing feed wheel.Type: ApplicationFiled: March 9, 2007Publication date: January 31, 2008Inventors: Markus Hanst, Martin Korn, Jorg Weissgarber, Christof Harle, Christof Lamparski
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Publication number: 20070248481Abstract: A rotary pump having a variable delivery volume, comprising: a casing; a delivery chamber formed in the casing; at least one delivery rotor which is rotatable in the delivery chamber; an actuating member which is arranged facing a front face of the delivery rotor or surrounds the delivery rotor, and is moveable in the casing for adjusting the delivery volume; the actuating member chargeable with an actuating force which is dependent on a fluid requirement; a track which is formed in the casing and guides the actuating member on an actuating member sliding surface in a sliding contact; and a sliding material which forms at least one of the track and the actuating member sliding surface.Type: ApplicationFiled: April 19, 2007Publication date: October 25, 2007Applicant: SCHWÄBISCHE HUTTENWERKE AUTOMOTIVE GMBH & CO.KGInventor: Christof Lamparski
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Patent number: 6935851Abstract: External gear pump, comprising: a casing (3a, 3b) with a gear chamber (4), comprising an inlet (5) for a fluid on a low pressure side and an outlet (6) on a high pressure side and comprising axial and radial sealing stays (7, 8); toothed wheels (1, 2) being in toothed mesh, wherein the external toothings of the wheels (1, 2) form delivery cells (10) for the fluid which are axially sealed off by the axial sealing stays (7) and radially sealed off by the radial sealing stays (8); and at least one pressure fluid supply (15, 16) through which pressure fluid may be supplied to the low pressure side, wherein the at least one pressure fluid supply (15, 16) opens on the low pressure side into a delivery cell (10) which is radially opposed by one of the radial sealing stays (8).Type: GrantFiled: August 28, 2003Date of Patent: August 30, 2005Assignee: Schwäbische Hüttenwerke GmbHInventors: Dieter Peters, Robert Laux, Herbert Ailinger, Lothar Preisler, Sven Peters, Christof Lamparski
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Publication number: 20040228752Abstract: External gear pump, comprising: a casing (3a, 3b) with a gear chamber (4), comprising an inlet (5) for a fluid on a low pressure side and an outlet (6) on a high pressure side and comprising axial and radial sealing stays (7, 8); toothed wheels (1, 2) being in toothed mesh, wherein the external toothings of the wheels (1, 2) form delivery cells (10) for the fluid which are axially sealed off by the axial sealing stays (7) and radially sealed off by the radial sealing stays (8); and at least one pressure fluid supply (15, 16) through which pressure fluid may be supplied to the low pressure side, wherein the at least one pressure fluid supply (15, 16) opens on the low pressure side into a delivery cell (10) which is radially opposed by one of the radial sealing stays (8).Type: ApplicationFiled: August 28, 2003Publication date: November 18, 2004Inventors: Dieter Peters, Robert Laux, Herbert Ailinger, Lothar Preisler, Sven Peters, Christof Lamparski
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Publication number: 20040009085Abstract: A toothing of a toothed wheel, consisting of tooth tips (3k) and tooth roots (3f) of teeth which are formed by second or higher order curves, wherein said curves point tangentially toward each other at their ends, and wherein at least the curves forming the tooth tips (3k) or at least the curves forming the tooth roots (3f) are not cycloids.Type: ApplicationFiled: February 27, 2003Publication date: January 15, 2004Inventors: Christof Lamparski, Sven Peters