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公开(公告)号：US10544812B2
公开(公告)日：2020-01-28
申请号：US15735100
申请日：2016-05-03
申请人： NORMA GERMANY GMBH
摘要： The invention relates to a clamp comprising a clamp band having a clamping head with two clamping jaws, in each of which a guide-through opening is formed, through which a clamping element for clamping the clamp is guided, wherein at least one contact surface is formed on a respective edge of the guide-through openings, on which contact surface a support surface of the clamping element can at least partially be contacted. In order to achieve minimum inner tensions in the clip, the clamping jaws are arranged at an angle to one another, wherein at least one reinforcing bead is formed in the clamping jaws and one of the clamping jaws has an anti-rotation means for the clamping element.
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公开(公告)号：US20240077157A1
公开(公告)日：2024-03-07
申请号：US18274330
申请日：2021-07-27
申请人： NORMA Germany GmbH
IPC分类号： F16L23/08
CPC分类号： F16L23/08
摘要： A profiled clamp having a first profiled clamp half and a second profiled clamp half, by means of which two flange parts can be connected to one another with the application of an axial force. A first tightening head is formed at one end of the first clamp half and a second tightening head is formed at one end of the second clamp half in order to form a tightening device. The ends of the clamp halves which are located opposite the tightening heads are connected to one another by means of an articulated connection. The articulated connection is formed from a mechanically machined or formed flat strip section. As a result, the flat strip section has an increased flexibility and/or a defined flexibility adapted to the intended application and can thus be mounted more easily.
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公开(公告)号：US20230374956A1
公开(公告)日：2023-11-23
申请号：US18029456
申请日：2021-08-04
申请人： NORMA Germany GmbH
CPC分类号： F02M25/08 , F01M13/021 , F04F5/20 , F04F5/46 , F01M2013/026
摘要： A vehicle drive having a vacuum system for a vehicle having an internal combustion engine that is connected to a supply air line and to an exhaust air line. The vacuum system has an ejector. A propellant gas line opens into a nozzle channel of a propellant nozzle of the ejector. The nozzle channel opens into a mixing chamber of the ejector through a nozzle opening. A suction line opens into the mixing chamber and the mixing chamber on an outlet side opens directly or indirectly into a mixed gas line. The mixed gas line opens into the supply air line. The suction line is connected to a vacuum consumer, and the nozzle opening in the propellant nozzle is formed by a nozzle edge having teeth and/or corrugations.
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公开(公告)号：US20220213904A1
公开(公告)日：2022-07-07
申请号：US17602442
申请日：2020-03-30
申请人： NORMA Germany GmbH
IPC分类号： F04F5/46
摘要： A jet pump comprising a jet nozzle for accelerating a propellant. The jet nozzle has a convergent inlet part and an outlet part connected to the convergent inlet part. The outlet comprises an inner wall diverging at an opening angle. The opening angle is designed such that a propellant flowing through the outlet part at subsonic speed is detached from the inner wall and a propellant flowing through the outlet part at supersonic speed is guided by the inner wall. An automatic, cost-effective and simple changeover of the jet pump to different pressure ratios is hence provided.
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公开(公告)号：US20200041040A1
公开(公告)日：2020-02-06
申请号：US16485212
申请日：2018-01-31
申请人： NORMA Germany GmbH
发明人： Helmut Geppert , Frank Schmidt , Gerrit von Breitenbach , Daniel Kintea , Michael Lenz , Natan Lantsmann
IPC分类号： F16L3/123 , F16L55/035
摘要： A clamp for fastening an object in the form of a tube or hose, having an elongate clamp strap at each of the ends of which there is provided a radially outwardly projecting fastening leg, and having a rubber profile which is provided on the radial inner face of the clamp strap and which at least partially engages around each of the edges of the clamp strap by way of a lip. At least one first holding geometry is provided on the radial inner face of the clamp strap, and at least one second holding geometry is provided on the radial outer face of the rubber profile.
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公开(公告)号：US09599134B2
公开(公告)日：2017-03-21
申请号：US14579381
申请日：2014-12-22
申请人： NORMA GERMANY GMBH
CPC分类号： F16B2/08 , F16L23/08 , Y10T24/44239
摘要： A profile clamp is disclosed having an annular clamping band that comprises two circumferential ends having respectively one tensioning head (6) and, at its axial ends, flanks sloped radially inwards, wherein the tensioning heads (6) are connected to one another by a tensioning device and at least one tensioning head (6) comprises a head contact tab (10).The object is to reduce the requirements for precision during installation.For this purpose, it is provided that the head contact tab (10) projects past the tensioning head (6) on at least one side in an axial direction.
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公开(公告)号：US11905978B2
公开(公告)日：2024-02-20
申请号：US17602442
申请日：2020-03-30
申请人： NORMA Germany GmbH
IPC分类号： F04F5/46
CPC分类号： F04F5/465
摘要： A jet pump comprising a jet nozzle for accelerating a propellant. The jet nozzle has a convergent inlet part and an outlet part connected to the convergent inlet part. The outlet comprises an inner wall diverging at an opening angle. The opening angle is designed such that a propellant flowing through the outlet part at subsonic speed is detached from the inner wall and a propellant flowing through the outlet part at supersonic speed is guided by the inner wall. An automatic, cost-effective and simple changeover of the jet pump to different pressure ratios is hence provided.
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公开(公告)号：US20220221088A1
公开(公告)日：2022-07-14
申请号：US17606573
申请日：2020-04-20
申请人： NORMA Germany GmbH
发明人： Daniel Kintea , Gerrit von Breitenbach , Stephan Senftleben , Christian Sakowski , Sven Schwäblein , David Schoumacher
IPC分类号： F16L11/15
摘要： A fluid line having a wave form portion is furnished. The wave form portion extends at least at a minimum distance along a longitudinal axis of the fluid line. The wave form portion has a wave peak element (18), which itself has, along a peripheral direction extending around the longitudinal axis of the fluid line, a varying distance from the longitudinal axis, the distance including a distance curve in the peripheral direction, the distance curve providing a non-circular contour. A fluid line is thus provided having a wave form portion, which fluid line reduces the pressure drop at the wave form portion.
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公开(公告)号：US20220163139A1
公开(公告)日：2022-05-26
申请号：US17669453
申请日：2022-02-11
申请人： NORMA Germany GmbH
发明人： Helmut Geppert , Frank Schmidt , Gerrit von Breitenbach , Daniel Kintea , Michael Lenz , Natan Lantsmann
摘要： A clamp for fastening an object in the form of a tube or hose, having an elongate clamp strap at each of the ends of which there is provided a radially outwardly projecting fastening leg, and having a rubber profile which is provided on the radial inner face of the clamp strap and which at least partially engages around each of the edges of the clamp strap by way of a lip. At least one first holding geometry is provided on the radial inner face of the clamp strap, and at least one second holding geometry is provided on the radial outer face of the rubber profile.
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公开(公告)号：US20210317935A1
公开(公告)日：2021-10-14
申请号：US17259667
申请日：2019-06-18
申请人： NORMA Germany GmbH
摘要： A profile clamp has a clamp strip that has a base with flanks on both sides. A flank angle α is enclosed between the flanks and a clamping head is arranged at each end of the clamp strip. For even stress distribution, the flank angle α decreases from a clamping head of the clamp strip up to a region diametrically opposite the clamping heads, and then increases again from that region to the other clamping head.
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