Patents Assigned to Polytec
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Publication number: 20170225107Abstract: The invention relates to a cascade impactor having a first stage comprising a plate (2) with fixed bores as gas inlet and at least a first impact wall (4) with a variable distance from the plate (2) as well as at least a second stage having a fixed second impact wall (5), which is arranged in the flow direction downstream of the first impact wall (4).Type: ApplicationFiled: July 10, 2015Publication date: August 10, 2017Applicant: POLYTEC PLASTICS GERMANY GMBH & CO.KGInventors: Hans JANSSEN, Christian MEYER, Christoph LESON
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Publication number: 20170199214Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.Type: ApplicationFiled: January 23, 2017Publication date: July 13, 2017Applicant: Polytec GmbHInventors: Matthias Schussler, Christian Rembe, Alexander Drabenstedt, Sebastian Boedecker, Thian-Hua Xu
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Patent number: 9651042Abstract: The invention relates to a positive displacement pump, including a pot-shaped housing, a rotor rotatably supported in the housing, and at least one blade movably guided in the rotor, the blade tip of which contacts the inner circumferential wall of the housing and divides the interior into chambers, wherein a locking mechanism that inhibits or brakes the movement of the blade in the rotor is provided.Type: GrantFiled: June 13, 2013Date of Patent: May 16, 2017Assignee: Joma-Polytec GmbHInventors: Andreas Blank, Martin Thoma, Torsten Helle, Hans-Peter Ott, Bernd Hess, Benjamin Kawa, Willi Schneider
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Patent number: 9638513Abstract: A device for the interferometric measuring of an object, including a radiation source for generating an output beam, at least one beam splitter, as well as at least one detector, with the beam splitter being arranged in the radiation path of the output beam such that the output beam is split into at least one measuring beam and one reference beam, and the device is embodied to interfere the reference beam on the detector with an interference beam to form an optic interference. The device has an open optic resonator, which is arranged in the radiation path of the device such that the measuring beam enters the open optic resonator and the interference beam emitted from the open optic resonator is interfered with a reference beam on the detector to form an optic interference. The invention further relates to a method for the interferometric measuring of an object.Type: GrantFiled: January 26, 2015Date of Patent: May 2, 2017Assignee: Polytec GmbHInventor: Christian Rembe
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Patent number: 9551726Abstract: A device for the interferometric measuring of an object, including a source to generate a source beam, a beam splitting device to split the source beam into a measuring beam and a reference beam, an optic interference device and a first detector, which cooperate such that the measuring beam reflected by the object at least partially is at least partially interfered as the receiver beam and the reference beam on a detector area of the first detector. The beam splitting device splits the source beam into a measuring beam, a first partial reference beam, and at least one second partial reference beam. There is at least one second detector embodied such that the first receiver beam is interfered with the first partial reference beam on a detection area of the first detector and the second partial receiver beam with a second partial reference beam on a detection area of the second detector, each with the formation of an optic interference.Type: GrantFiled: July 1, 2013Date of Patent: January 24, 2017Assignee: Polytec GmbHInventors: Matthias Schussler, Christian Rembe, Alexander Drabenstedt, Sebastian Boedecker, Thian-Hua Xu
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Patent number: 9385597Abstract: A multi-mode current-allocating device serves to control the DC to DC converter in each power supply device of a distributive power supply system. The multi-mode current-allocating device has an active current-sharing control circuit, a current-allocating bypass circuit, and a droop current sharing control circuit to be selectively operated under an active current-sharing mode, a current-allocating mode or a droop current-sharing mode according to the factors of the type of input power of each power supply device, the state of system load, and the system reliability so as to maintain the power supply efficiency of entire power supply system and reduce unnecessary power loss.Type: GrantFiled: September 13, 2013Date of Patent: July 5, 2016Assignee: ACBEL POLYTEC INC.Inventor: Jin-Biau Wang
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Patent number: 9356272Abstract: A polyolefin-based split-type conjugate fiber according to the present invention is a polyolefin-based split-type conjugate fiber obtained by composite spinning including a first component containing a polypropylene-based resin and a second component containing a polyolefin-based resin, wherein the first component contains, as a primary component, a polypropylene resin having a Q value (the ratio between the weight average molecular weight Mw and the number average molecular weight Mn) of 6 or greater and a melt flow rate according to JIS K 7210 (MFR at a measurement temperature of 230° C. under a load of 2.16 kgf (21.18 N)) of 5 g/10 min or greater and less than 23 g/10 min, and the first component and the second component are adjacent to each other in a cross section of the polyolefin-based split-type conjugate fiber.Type: GrantFiled: March 30, 2011Date of Patent: May 31, 2016Assignees: Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.Inventor: Tatsunori Kida
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Patent number: 9249052Abstract: A cement reinforcing fiber of the present invention is a cement reinforcing fiber made of a polyolefin fiber, wherein a fiber treating agent is adhered to a surface of the polyolefin fiber, and the fiber treating agent is a polyoxyethylene alkyl phosphoric ester salt. One preferred polyoxyethylene alkyl phosphoric ester salt is a compound represented by chemical formula (2) below. A cured cement of the present invention contains the above-described cement reinforcing fiber. In the chemical formula (2) above, R is an alkyl group with a carbon number of 2 to 20, A is an alkali metal element, and n is 1 to 20.Type: GrantFiled: February 25, 2013Date of Patent: February 2, 2016Assignees: DAIWABO HOLDINGS CO., LTD., DAIWABO POLYTEC CO., LTD.Inventor: Shigeki Kawakami
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Publication number: 20160010646Abstract: 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.Type: ApplicationFiled: July 8, 2015Publication date: January 14, 2016Applicant: JOMA-POLYTEC GMBHInventors: Bernd Hess, Hans-Peter Ott, Martin Thoma, Andreas Blank, Torsten Helle
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Patent number: 9212896Abstract: 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.Type: GrantFiled: May 27, 2014Date of Patent: December 15, 2015Assignee: POLYTEC GMBHInventors: Michael Wortge, Christian Rembe, Alexander Drabenstedt, Tobias Braun
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Patent number: 9207227Abstract: In a method for determining a total hydrocarbon composition of a multiphase flow including gas and liquid, the method includes taking different samples of the gas and liquid at at least two different thermodynamic states of the multiphase flow. The method further includes analyzing the different samples, and using a molar balance of the different samples at the at least two different thermodynamic states to calculate a gas molar fraction and a liquid molar fraction. The gas molar fraction and liquid molar fraction may be used for deriving an overall composition of the multiphase flow and for deriving the gas and liquid volume fractions.Type: GrantFiled: November 17, 2010Date of Patent: December 8, 2015Assignee: PolytecInventor: Carl Nilsson
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Publication number: 20150211841Abstract: A device for the interferometric measuring of an object, including a radiation source for generating an output beam, at least one beam splitter, as well as at least one detector, with the beam splitter being arranged in the radiation path of the output beam such that the output beam is split into at least one measuring beam and one reference beam, and the device is embodied to interfere the reference beam on the detector with an interference beam to form an optic interference. The device has an open optic resonator, which is arranged in the radiation path of the device such that the measuring beam enters the open optic resonator and the interference beam emitted from the open optic resonator is interfered with a reference beam on the detector to form an optic interference. The invention further relates to a method for the interferometric measuring of an object.Type: ApplicationFiled: January 26, 2015Publication date: July 30, 2015Applicant: Polytec GmbHInventor: Christian Rembe
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Patent number: 9011125Abstract: A vane pump includes at least one vane, a pump housing with a bottom and a lid, and a rotor rotatably mounted in the pump housing, with the at least one vane being slidingly mounted in a groove in the rotor and having at least one vane tip which protrudes from the outer peripheral surface of the rotor and rests upon the inner peripheral surface of the pump housing so that the vane defines with the bottom and the lid an intake chamber and a pressure chamber to respectively interact with a radially outer inlet opening and outlet opening in the bottom and/or in the lid, wherein the rotor is provided on the peripheral edge with a chamfer in facing relationship to the housing bottom and/or the housing lid having the inlet opening and/or outlet opening.Type: GrantFiled: July 27, 2011Date of Patent: April 21, 2015Assignee: Joma-Polytec GmbHInventors: Dirk Ehrenfeld, Willi Schneider, Torsten Helle
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Patent number: 8997781Abstract: The invention relates to a vacuum pump, in particular a vane pump, having a pump housing in which an intake chamber is provided, and a pump housing opening which feeds into the intake chamber, wherein an intake check valve is arranged in the pump housing opening and communicates with the atmosphere or feeds into an external vacuum chamber, with the intake check valve being accommodated in a pot-shaped valve housing, and with the pot-shaped valve housing having a housing bottom and a housing jacket, wherein the housing bottom is connectable to the housing jacket and the housing bottom can be snapped onto the housing jacket.Type: GrantFiled: August 16, 2011Date of Patent: April 7, 2015Assignee: Joma-Polytec GmbHInventors: Hans-Peter Ott, Willi Schneider, Torsten Helle
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Patent number: 8973604Abstract: The invention relates to a device for producing and providing a vacuum for a vacuum consumer, having a vacuum source, having a suction valve, having a non-return valve arranged between the vacuum consumer and the suction valve, and having a ventilation valve, the control inlet of which ventilation valve is connected to the suction port of the vacuum source, the output of which ventilation valve opens out between the control valve and the non-return valve, and the input of which ventilation valve is open to the environment.Type: GrantFiled: June 29, 2009Date of Patent: March 10, 2015Assignee: Joma-Polytec GmbHInventor: Willi Schneider
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Patent number: 8968859Abstract: A heat extensible fiber comprises a conjugate fiber including a first resin component having an orientation index of 30% to 70% and a second resin component having a lower melting point or softening point than the melting point of the first resin component and an orientation index of 40% or more, the second resin component being present on at least part of the surface of the conjugate fiber in a lengthwise continuous configuration. The conjugate fiber is a heat-treated or crimped fiber and being configured to thermally extend when heated at a temperature lower than the melting point of the first resin component. The heat extensible fiber has higher heat self-extensibility than conventional extensible fibers.Type: GrantFiled: December 1, 2006Date of Patent: March 3, 2015Assignees: Kao Corporation, Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.Inventors: Manabu Matsui, Yoshiji Usui, Shigeki Kawakami
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Patent number: 8913247Abstract: A device for interferometric vibration measurement, having a radiation source for generating an original beam, a first beam splitter for dividing it into measuring and reference beams, a detector and a focusing device. The measuring beam at least partly reflected by the object and the reference beam are superimposed on a detection area of the detector, and the focusing device in the beam path of the measuring beam between the image unit and object focuses it onto a measuring point. Here, a measuring beam having a wavelength greater than 1100 nm is generated and the device has an image unit for two-dimensional imaging of the object surrounding the measuring point. The measuring beam focus lies in the focal plane of the image unit and, by use of the focusing device, the focal point of the measuring beam and the focal plane of the imaging unit are displaceable simultaneously.Type: GrantFiled: October 19, 2010Date of Patent: December 16, 2014Assignee: Polytec GmbHInventors: Christian Rembe, Alexander Dräbenstedt, Michael Gartner, Mike Herberich, Andreas Leonhardt
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Patent number: 8911753Abstract: A skin-covering sheet for impregnation with a cosmetic preparation according to the present invention includes a non-woven fabric in which a splittable conjugate fiber containing at least two components as viewed in fiber cross-section, namely a polyethylene component and another polymer component, and a hydrophilic fiber are blended, and hydroentangled. The conjugate fiber is partially split and includes a polyethylene ultrafine fiber having a fineness of 0.6 dtex or less. A face mask according to the present invention includes the skin-covering sheet for impregnation with a cosmetic preparation impregnated with 500 to 2000 mass % of a liquid containing a cosmetic preparation. It is therefore possible to obtain a skin-covering sheet for impregnation with a cosmetic preparation and a face mask that have good impregnating ability of a cosmetic liquid into the sheet layer, cause very little irritation to the skin, and are soft in texture.Type: GrantFiled: June 2, 2009Date of Patent: December 16, 2014Assignees: Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.Inventor: Akihiko Kawanaka
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Publication number: 20140347670Abstract: 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.Type: ApplicationFiled: May 27, 2014Publication date: November 27, 2014Applicant: POLYTEC GMBHInventors: Michael Wortge, Christian Rembe, Alexander Drabenstedt, Tobias Braun
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Patent number: 8889573Abstract: The present invention relates to a fiber assembly obtained by electrifying a resin in a melted state by application of voltage between a supply-side electrode and a collection-side electrode so as to extend the resin into an ultrafine composite fiber by electrospinning, and accumulating the ultrafine composite fiber, wherein the ultrafine composite fiber includes at least two polymeric components and the ultrafine composite fiber includes at least one type of composite fiber selected from a sea-island structure composite fiber and a core-sheath structure composite fiber as viewed in fiber cross section, at least one selected from an island component and a core component has a volume specific resistance of 1015?·cm or less, and at least one selected from a sea component and a sheath component has a volume specific resistance exceeding 1015?·cm.Type: GrantFiled: September 4, 2009Date of Patent: November 18, 2014Assignees: Daiwabo Holdings Co., Ltd., Daiwabo Polytec Co., Ltd.Inventor: Toshio Kamisasa