Patents Assigned to Leobersdorfer Maschinenfabrik AG
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Patent number: 8708666Abstract: A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region (2), and at least one reciprocating piston compressor (6) with two cylinders (7) is provided in the high-pressure region (5), and wherein a common engine (4) is provided for driving the rotary compressor (3) and the reciprocating piston compressor (6), wherein the cylinders (7) are arranged to be rotated relative to each other by 180° in the high-pressure region (5).Type: GrantFiled: January 25, 2013Date of Patent: April 29, 2014Assignee: Leobersdorfer Maschinenfabrik AGInventor: Ernst Huttar
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Patent number: 8568107Abstract: A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region (2), and at least one reciprocating piston compressor (6) with two cylinders (7) is provided in the high-pressure region (5), and wherein a common engine (4) is provided for driving the rotary compressor (3) and the reciprocating piston compressor (6), wherein the cylinders (7) are arranged to be rotated relative to each other by 180° in the high-pressure region (5).Type: GrantFiled: January 25, 2013Date of Patent: October 29, 2013Assignee: Leobersdorfer Maschinenfabrik AGInventor: Ernst Huttar
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Publication number: 20130164151Abstract: A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region (2), and at least one reciprocating piston compressor (6) with two cylinders (7) is provided in the high-pressure region (5), and wherein a common engine (4) is provided for driving the rotary compressor (3) and the reciprocating piston compressor (6), wherein the cylinders (7) are arranged to be rotated relative to each other by 180° in the high-pressure region (5).Type: ApplicationFiled: January 25, 2013Publication date: June 27, 2013Applicant: LEOBERSDORFER MASCHINENFABRIK AGInventor: LEOBERSDORFER MASCHINENFABRIK AG
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Publication number: 20130164150Abstract: A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region (2), and at least one reciprocating piston compressor (6) with two cylinders (7) is provided in the high-pressure region (5), and wherein a common engine (4) is provided for driving the rotary compressor (3) and the reciprocating piston compressor (6), wherein the cylinders (7) are arranged to be rotated relative to each other by 180° in the high-pressure region (5).Type: ApplicationFiled: January 25, 2013Publication date: June 27, 2013Applicant: LEOBERSDORFER MASCHINENFABRIK AGInventor: LEOBERSDORFER MASCHINENFABRIK AG
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Patent number: 8376717Abstract: A multi-stage compressor (1) for compressing gases with a low-pressure region (2) and a high-pressure region (5), wherein at least one rotary compressor (3) is provided in the low-pressure region (2), and at least one reciprocating piston compressor (6) with two cylinders (7) is provided in the high-pressure region (5), and wherein a common engine (4) is provided for driving the rotary compressor (3) and the reciprocating piston compressor (6), wherein the cylinders (7) are arranged to be rotated relative to each other by 180° in the high-pressure region (5).Type: GrantFiled: August 16, 2007Date of Patent: February 19, 2013Assignee: Leobersdorfer Maschinenfabrik AGInventor: Ernst Huttar
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Patent number: 8231357Abstract: A high-pressure compressor (1) for compressing gases, which has at least two working spaces (3, 3?) and is optionally adjustable between a single-stage operating position, in which the gas to be compressed is compressed in one single stage, and a multi-stage operating position, in which at least one working space (3?) is connected in series with at least one further working space (3), wherein at least three working spaces (3, 3?) are provided which all have the same working volume.Type: GrantFiled: January 10, 2007Date of Patent: July 31, 2012Assignee: Leobersdorfer Maschinenfabrik AGInventors: Ernst Huttar, Günther Ognar
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Patent number: 7530798Abstract: A multistage compressor (1) for compressing gases has a low-pressure range (7) and a high-pressure range (4), the high-pressure range (4) including at least one reciprocating compressor (3) driven via a crankshaft (5) and the low-pressure range (7) including at least one screw compressor (20) provided as a low-pressure compressor (6) having a rotating displacer (8) coupled to the crankshaft (5) of the reciprocating compressor (3).Type: GrantFiled: July 23, 2002Date of Patent: May 12, 2009Assignee: Leobersdorfer Maschinenfabrik AGInventors: Ernst Huttar, Grimbert Tschinkel