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1. 发明授权

US11415030B2 Suction device for crankcase ventilation 有权
公开(公告)号：US11415030B2
公开(公告)日：2022-08-16
申请号：US16761333
申请日：2019-01-07
申请人： Joma-Polytec GmbH , Bayerische Motoren Werke Aktiengesellschaft
发明人： Jörg Ströse , Christian Scheibe , Tobias Köhnlein
IPC分类号： F01M13/04 , F01M13/02 , F01M13/00 , F04D25/04 , F04D29/28
摘要： The invention enables an adequate crankcase negative pressure in an internal combustion engine, in all operating ranges to the extent possible and using a suction device for the crankcase ventilation of an internal combustion engine, which suction device is equipped with a housing, a controllable electric motor and a compressor for conveying crankcase gas, which compressor is driven by the electric motor, the compressor having connection points for a crankcase ventilation line, such that the crankcase pressure of the internal combustion engine is controllable by controlling the electric motor.

2. 发明申请

US20220187120A1 METHOD AND APPARATUS FOR INTERFEROMETRIC VIBRATION MEASUREMENT AT A PLURALITY OF A MEASUREMENT POINTS BY MEANS OF A MEASURING LASER BEAM 有权
公开(公告)号：US20220187120A1
公开(公告)日：2022-06-16
申请号：US17442839
申请日：2020-03-09
申请人： Polytec GmbH
发明人： Matthias SCHÜSSLER
IPC分类号： G01H9/00 , G01P3/36
摘要： A method for interferometric vibration measurement at a plurality of measurement points using a measuring laser beam, including A. generating the measuring laser beam having a wavelength in the infrared wavelength range and a pilot laser beam having a wavelength in the visible wavelength range; B. deflecting the measuring laser beam and the pilot, laser beam by a common optical deflection unit, and controlling the deflection unit such that the pilot laser beam is incident on the measurement point; and C. carrying out a vibration measurement using the measuring laser beam. An angular deviation between the pilot laser beam and the measuring laser beam is determined and, in a correction step B 1, between method step B and C, the deflection unit is actuated in order to compensate for the angular deviation between the pilot laser beam and the measuring laser beam.

3. 发明授权

US11333485B2 Alignment method for a beam-directing unit of an interferometric measuring device, and measuring device for carrying out an interferometric measurement by means of laser radiation 有权
公开(公告)号：US11333485B2
公开(公告)日：2022-05-17
申请号：US17251353
申请日：2019-06-05
申请人： Polytec GmbH
发明人： Bernd Armbruster , Matthias Schussler , Bernd Heinen
IPC分类号： G01B9/02055 , G01S17/894 , G01B11/24 , G01B11/25 , G01H9/00
摘要： An alignment method for a beam-directing unit of an interferometric measuring device for directing a laser beam of a laser beam source towards a plurality of measurement points of an object under measurement, wherein a three-dimensional model of a measurement surface of an object under measurement is created by a plurality of spatially resolved images. A measuring device for carrying out an interferometric measurement by laser radiation is also provided, having a controller which is designed to align a beam-directing unit of the measurement device.

4. 发明申请

US20190186303A1 OIL SUPPLY DEVICE FOR A VACUUM PUMP OF AN INTERNAL COMBUSTION ENGINE 审中-公开
公开(公告)号：US20190186303A1
公开(公告)日：2019-06-20
申请号：US16221923
申请日：2018-12-17
申请人： Joma-Polytec GmbH
发明人： Torsten Helle , Hans-Peter Ott , Mathias Schlotterer , Stefan Spille , Werner Engelin , Uwe Bindel , Frank Hoffmann , Dirk Ebert
IPC分类号： F01L1/047 , F01L9/02 , F01M9/10
CPC分类号： F01L1/047 , F01L9/026 , F01L2810/02 , F01M9/10
摘要： An oil supply device for a vacuum pump of an internal combustion engine, in particular of a car, including an oil feed line via which the vacuum pump can be supplied with oil for lubricating the vacuum pump. The oil feed line includes a valve connected to the oil feed line in an oil-conducting manner, which valve has a piston that is accommodated in a valve interior of the valve and can move at least between a supply position in which it allows a supply of oil to the vacuum pump and a blocking position in which it prevents the supply of oil to the vacuum pump, and has a spring element, by means of which a spring force that holds the piston in the blocking position can be applied to the piston when the internal combustion engine is at rest.

5. 发明授权

US10018460B2 Interferometric measuring device with detectors set at different angular ranges 有权
公开(公告)号：US10018460B2
公开(公告)日：2018-07-10
申请号：US13667309
申请日：2012-11-02
申请人： Polytec GmbH
发明人： Matthias Schussler , Christian Rembe , Alexander Drabenstedt , Robert Kowarsch , Wanja Ochs
IPC分类号： G01B9/02 , G01B11/14 , G01H9/00
CPC分类号： G01B9/02022 , G01B9/02002 , G01B9/02028 , G01B2290/45 , G01B2290/70 , G01H9/00
摘要： A device for the interferometric measuring of an object, including a light source to generate an emitted beam, a beam splitting device for splitting the emitted beam into a measuring beam and at least first and second reference beams, an optic interference device, and first and second detectors, with the interference device and the first detector being embodied cooperating such that the measuring beam, at least partially reflected by the object, and the first reference beam are interfered on at least one detector area of the first detector. The interference device and the second detector are embodied cooperating such that the measuring beam, at least partially scattered by the object, and the second reference beam are interfered on at least one detector area of the second detector. A method is also provided for the interferometric measuring of an object.

6. 发明申请

US20160010646A1 ROTARY VANE PUMP FOR GENERATING A VACUUM 审中-公开
标题翻译：用于产生真空的旋转叶轮泵
公开(公告)号：US20160010646A1
公开(公告)日：2016-01-14
申请号：US14793790
申请日：2015-07-08
申请人： Joma-Polytec GmbH
发明人： Bernd Hess , Hans-Peter Ott , Martin Thoma , Andreas Blank , Torsten Helle
IPC分类号： F04C29/00 , H02K7/14 , F04C18/344
CPC分类号： F04C29/0085 , F04C2/344 , F04C11/008 , F04C15/0073 , F04C15/008 , F04C18/344 , F04C23/02 , F04C29/005 , F04C2240/40 , H02K7/14
摘要： A rotary vane pump for generating a vacuum, having an electric drive with a motor stator and a motor rotor, wherein the motor stator and the motor rotor radially encompass the pump housing. The motor stator is non-rotatably disposed around or on the pump housing. The motor rotor is disposed on the side of the motor stator facing away from the pump housing, such that an overall housing is provided that accommodates the electric drive and the pump housing, and the overall housing has a housing floor and a housing shell, wherein the housing floor, together with the pump housing delimits the pump chamber.
摘要翻译：一种用于产生真空的旋片式泵，其具有电动机定子和电动机转子的电驱动，其中所述电动机定子和所述电动机转子径向地包围所述泵壳体。电动机定子不可旋转地设置在泵壳体周围或其上。马达转子设置在马达定子的背离泵壳体的一侧，从而提供一个整体的壳体，其容纳电驱动器和泵壳体，并且整个壳体具有壳体底板和壳体外壳，其中外壳地板与泵壳一起限定泵室。

7. 发明授权

US09212896B2 Optical interferometer and vibrometer comprising such an optical interferometer 有权
标题翻译：包括这种光学干涉仪的光学干涉仪和振动计
公开(公告)号：US09212896B2
公开(公告)日：2015-12-15
申请号：US14287300
申请日：2014-05-27
申请人： Polytec GmbH
发明人： Michael Wortge , Christian Rembe , Alexander Drabenstedt , Tobias Braun
IPC分类号： G01B9/02 , G01H9/00
CPC分类号： G01B9/02023 , G01B9/02002 , G01B9/02028 , G01B9/02029 , G01B9/02051 , G01B2290/45 , G01H9/00
摘要： An optical interferometer including an output-beam beam input for coupling-in an output beam, and a beam splitter device for splitting the output beam into at least one first sub-beam and one second sub-beam, the interferometer being embodied as a heterodyne interferometer by virtue of at least one optical frequency shifter being arranged in the beam path of the interferometer and the interferometer including one or more optical waveguide elements, by which optical waveguides are formed, at least between the output-beam beam input, beam splitter device and frequency shifter. The frequency shifter is arranged in the beam path of the first or second sub-beam.
摘要翻译：一种光学干涉仪，包括用于耦合输出光束的输出光束输入和用于将输出光束分成至少一个第一子光束和一个第二子光束的分束器装置，所述干涉仪被实施为外差干涉仪由至少一个光学移频器布置在干涉仪的光束路径中，干涉仪至少包括一个或多个光波导元件，至少在输出光束输入，分束器装置和变频器。该移频器设置在第一或第二子光束的光束路径中。

8. 发明授权

US08480386B2 Vane for a single-vane vacuum pump 有权
标题翻译：叶片用于单叶片真空泵
公开(公告)号：US08480386B2
公开(公告)日：2013-07-09
申请号：US13126171
申请日：2009-07-23
申请人： Willi Schneider
发明人： Willi Schneider
IPC分类号： F01C21/10 , F03C2/00 , F03C4/00 , F04C2/00
CPC分类号： F01C21/0809 , F04C18/3441 , F04C2230/91
摘要： The invention relates to a vane for a vane pump, in particular a vane vacuum pump, having a crucible-shaped housing and provided with a rotor mounted eccentrically and rotatably in the housing, wherein the vane is displaceably mounted perpendicular to the axis of rotation in the rotor and the free ends thereof are in contact with the interior circumferential surface of the housing, wherein the vane has a closed surface, at least in the sections protruding beyond the rotor, in the direction of the interior circumferential surface, and the surface is formed by an exterior wall, which is provided with a coating, wherein the coating is provided with perforations in the area located inside the rotor.
摘要翻译：本发明涉及一种用于叶片泵的叶片，特别是叶片真空泵，其具有坩埚形壳体，并且设置有偏心和可旋转地安装在壳体中的转子，其中，叶片可垂直于旋转轴线可移动地安装所述转子及其自由端与所述壳体的内周面接触，其中，所述叶片至少在所述内周面的方向上至少突出超过所述转子的部分中，所述表面为由设置有涂层的外壁形成，其中涂层在位于转子内部的区域中设有穿孔。

9. 发明授权

US08111403B2 Method and device for non-contact oscillation measurements 有权
标题翻译：用于非接触式振荡测量的方法和装置
公开(公告)号：US08111403B2
公开(公告)日：2012-02-07
申请号：US12122879
申请日：2008-05-19
申请人： Matthias Schuessler
发明人： Matthias Schuessler
IPC分类号： G01B11/02
CPC分类号： G01H9/00
摘要： A method and a device for non-contact vibration measurement of an object. Method steps include: Moving at least one laser interferometer, which emits at least one measuring beam to at least one measuring point on the object, detecting the measuring beam reflected by the object, determining the vibration data from the emitted and reflected measuring beam, allocating the vibration data to the measuring point, as well as evaluating the vibration data and displaying the vibration data of the measuring point, with at least one comparison of a position of the laser interferometer being performed using at least one position of a known freely predetermined point on the object and a transformation rule being prepared to determine the position of the laser interferometer in reference to the object for arbitrary measuring positions based on the comparison. The device for measuring vibrations is also disclosed.
摘要翻译：一种用于物体的非接触式振动测量的方法和装置。方法步骤包括：移动至少一个激光干涉仪，其将至少一个测量光束发射到物体上的至少一个测量点，检测由物体反射的测量光束，从发射和反射的测量光束确定振动数据，分配测量点的振动数据，以及评估振动数据并显示测量点的振动数据，至少使用已知的自由预定点的至少一个位置进行激光干涉仪的位置比较并且根据该比较准备一个变换规则，以确定激光干涉仪参考任意测量位置的物体的位置。还公开了用于测量振动的装置。

10. 发明授权

US07852487B2 Heterodyne interferometer device for optically measuring an object 有权
标题翻译：用于光学测量物体的异步干涉仪装置
公开(公告)号：US07852487B2
公开(公告)日：2010-12-14
申请号：US12040030
申请日：2008-02-29
申请人： Christian Rembe , Alexander Drabenstedt , Georg Siegmund
发明人： Christian Rembe , Alexander Drabenstedt , Georg Siegmund
IPC分类号： G01B9/02
CPC分类号： G01B9/02027 , G01B9/02002 , G01B9/02042 , G01B9/02045 , G01B9/0209 , G01B9/02091 , G01B2290/45
摘要： A device for the optic measuring of an object (1), including a signal processing unit (2) as well as an interferometer with a light source (3) and with at least one detector (4a, 4d). The interferometer is embodied such that a light beam (12) created by the light source (3) is split at least into a working beam (12a) and a reference beam (12b), with the working beam (12a) impinging the object (1) and the working beam (12a) is at least partially reflected by the object and interfered with the reference beam (12b) on the detector (4a, 4b). The signal processing unit (2) is connected to the detector (4a, 4b) and includes a vibrometer processing unit (2f), which detects the motion of the object (1) from the measuring signals of the detector (4a, 4d). It is essential that the light source (3) creates light with a coherence length shorter than 1 cm and that the interferometer comprises a device for changing the optic path length (11), and the signal processing unit comprises a focus control (2d) controlling a device for changing the optic path length which controls the device for changing the optic path length such that the optic path length of the working beam and the reference beam are approximately adjusted to each other.
摘要翻译：一种用于物体（1）的光学测量的装置，包括信号处理单元（2）以及具有光源（3）和至少一个检测器（4a，4d）的干涉仪。干涉仪被实施为使得由光源（3）产生的光束（12）至少分裂成工作光束（12a）和参考光束（12b），工作光束（12a）撞击物体（ 1），并且工作光束（12a）至少部分地被物体反射并且与检测器（4a，4b）上的参考光束（12b）干涉。信号处理单元（2）连接到检测器（4a，4b），并包括一个根据检测器（4a，4d）的测量信号检测物体（1）运动的振动计处理单元（2f）。重要的是，光源（3）产生具有短于1cm的相干长度的光，并且干涉仪包括用于改变光路长度（11）的装置，并且信号处理单元包括控制用于改变光路长度的装置，其控制用于改变光路长度的装置，使得工作光束和参考光束的光路长度彼此近似调整。

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