Patents Assigned to Retsch GmbH
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Patent number: 12629693Abstract: A device module for a laboratory device is shown and described. The device module has at least one temperature control medium connection for connecting the device module, as required, to a temperature control medium supply of, in particular, a liquid or gaseous temperature control medium, at least one line connection for connecting, as required, to at least one supply line of the laboratory device for the temperature control medium, and at least one actuator of a control process and/or control loop for controlling and/or regulating at least one temperature in the laboratory device.Type: GrantFiled: February 3, 2021Date of Patent: May 19, 2026Assignee: Retsch GmbHInventors: Zilan Orhan, Uwe Orth
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Publication number: 20250116580Abstract: A laboratory mill is shown and described with at least one sample holder for receiving at least one sample vessel and with at least one holding device arranged to be rotatable about an axis of rotation and/or to oscillate about an axis of oscillation for holding and carrying along the sample holder during operation of the laboratory mill, wherein the sample vessel is moved on an orbit with an effective radius during operation of the laboratory mill, wherein complementary coupling geometries are provided on the sample holder and the holding device for a positive coupling of the sample holder to the holding device, and wherein the sample holder can be coupled to the holding device via the coupling geometries in at least two different orientations relative to the axis of rotation and/or the axis of oscillation in order to change the effective radius of the orbit of a sample vessel.Type: ApplicationFiled: January 20, 2023Publication date: April 10, 2025Applicant: Retsch GmbHInventor: Zilan Orhan
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Patent number: 12259305Abstract: A laboratory mill is shown and described with at least one oscillatably mounted grinding bowl holder for at least one grinding bowl and with at least one line for transporting a liquid or gaseous medium, the line having at least one compensating element for compensating relative movements between the grinding bowl holder and/or the grinding bowl and a stationary part of the laboratory mill. In accordance with the invention, a rigid compensating element is provided for compensating relative movements, wherein the compensating element is elastically deformed at least in regions during an oscillating movement of the grinding bowl holder and wherein the compensation of relative movements is effected free of parts of the compensating element connected to one another so as to be movable, in particular rotatable and/or pivotable, relative to one another and only by elastic deformation of the compensating element.Type: GrantFiled: September 1, 2020Date of Patent: March 25, 2025Assignee: Retsch GmbHInventors: Uwe Orth, Zilan Orhan, Stefan Mahler, Alexander Mühlig
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Publication number: 20250025885Abstract: Shown and described is a laboratory ball mill, in particular a vibrating mill, centrifugal ball mill or planetary ball mill, further in particular a planetary ball mill with a transmission ratio of 1:?1, with at least one grinding bowl holder for at least one grinding bowl arranged on a machine part of the ball mill which is moved during the grinding operation of the ball mill, with a clamping device arranged on the moving machine part for transmitting a clamping force to the grinding bowl and with a coupling device with at least one coupling element, wherein an energy transmission from the stationary machine part to the moving machine part for generating the clamping force is provided via the coupling device. According to the invention, it is provided that the coupling element is coupled to the stationary machine part and to the moving machine part during the grinding operation.Type: ApplicationFiled: August 29, 2022Publication date: January 23, 2025Applicant: Retsch GmbHInventor: Zilan Orhan
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Patent number: 12121904Abstract: The invention illustrates and describes a laboratory vibratory mill with at least one milling beaker holder which is mounted so as to be capable of oscillating, for at least one milling beaker, and with a temperature control device for controlling the temperature of the milling beaker by feeding in and/or carrying away a liquid or gaseous temperature control medium via at least one temperature control line to the milling beaker holder. According to the invention there is provision that the milling beaker holder has at least one heat transfer element which is connected to the temperature control line, wherein the heat transfer element has at least one medium duct for feeding through the temperature control medium, and wherein the temperature control of a milling beaker which is secured to and/or in the milling beaker holder is carried out by transferring heat between the temperature control medium conducted in the medium duct and the milling beaker via a wall of the heat transfer element.Type: GrantFiled: September 3, 2020Date of Patent: October 22, 2024Assignee: Retsch GmbHInventor: Zilan Orhan
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Patent number: 11719605Abstract: The invention shows and describes a vibration mill for at least two grinding beakers performing vibrations in the horizontal position, with at least one multi-part pendulum drive, wherein the pendulum drive has at least one eccentric shaft mounted to rotate about a vertical eccentric axis, and at least two rockers each mounted so as to be capable of vibrating about a vertical vibration axis and connected by means of couplers to the eccentric shaft, said rockers holding the grinding beakers. The pendulum drive further has a motor unit coupled to the eccentric shaft as a drive for the eccentric shaft and optionally further components, wherein a rotary movement of the eccentric shaft via the couplers can be converted into a vibrating movement of the rockers. According to the invention, the centre of gravity of the pendulum drive in a horizontal centre of gravity plane is substantially equidistant from both vibration axes.Type: GrantFiled: May 7, 2019Date of Patent: August 8, 2023Assignee: Retsch GmbHInventors: Uwe Orth, Stefan Drechsler, Frank Janetta, Alexander Mühlig
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Publication number: 20230065817Abstract: A device module for a laboratory device is shown and described. The device module has at least one temperature control medium connection for connecting the device module, as required, to a temperature control medium supply of, in particular, a liquid or gaseous temperature control medium, at least one line connection for connecting, as required, to at least one supply line of the laboratory device for the temperature control medium, and at least one actuator of a control process and/or control loop for controlling and/or regulating at least one temperature in the laboratory device.Type: ApplicationFiled: February 3, 2021Publication date: March 2, 2023Applicant: Retsch GmbHInventors: Zilan Orhan, Uwe Orth
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Publication number: 20220347692Abstract: The invention illustrates and describes a laboratory vibratory mill with at least one milling beaker holder which is mounted so as to be capable of oscillating, for at least one milling beaker, and with a temperature control device for controlling the temperature of the milling beaker by feeding in and/or carrying away a liquid or gaseous temperature control medium via at least one temperature control line to the milling beaker holder. According to the invention there is provision that the milling beaker holder has at least one heat transfer element which is connected to the temperature control line, wherein the heat transfer element has at least one medium duct for feeding through the temperature control medium, and wherein the temperature control of a milling beaker which is secured to and/or in the milling beaker holder is carried out by transferring heat between the temperature control medium conducted in the medium duct and the milling beaker via a wall of the heat transfer element.Type: ApplicationFiled: September 3, 2020Publication date: November 3, 2022Applicant: Retsch GmbHInventor: Zilan Orhan
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Publication number: 20220113226Abstract: A laboratory mill is shown and described with at least one oscillatably mounted grinding bowl holder for at least one grinding bowl and with at least one line for transporting a liquid or gaseous medium, the line having at least one compensating element for compensating relative movements between the grinding bowl holder and/or the grinding bowl and a stationary part of the laboratory mill. In accordance with the invention, a rigid compensating element is provided for compensating relative movements, wherein the compensating element is elastically deformed at least in regions during an oscillating movement of the grinding bowl holder and wherein the compensation of relative movements is effected free of parts of the compensating element connected to one another so as to be movable, in particular rotatable and/or pivotable, relative to one another and only by elastic deformation of the compensating element.Type: ApplicationFiled: September 1, 2020Publication date: April 14, 2022Applicant: Retsch GmbHInventors: Uwe Orth, Zilan Orhan, Stefan Mähler, Alexander Mühlig
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Patent number: 10974252Abstract: A comminution device for laboratory operation is described. More specifically, a laboratory mill, particularly a centrifugal mill, is provided that includes a milling tool arranged in a milling chamber, a housing assembly, and a milling material channel running through the housing assembly. The milling material channel opens into the milling chamber and is configured to supply, for supplying milling material to the milling chamber or to discharge milled material from the milling chamber. The milling material channel may be open to the environment and/or can be opened for successively supplying milling material to the milling chamber during the milling operation. At least one system for passively reducing noise emissions is provided and situated in the region of the milling material channel.Type: GrantFiled: March 24, 2017Date of Patent: April 13, 2021Assignee: RETSCH GMBHInventors: Frank Janetta, Ralf Eisenbach, Alexander Hoehne
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Publication number: 20200333219Abstract: The invention shows and describes a vibration mill for at least two grinding beakers performing vibrations in the horizontal position, with at least one multi-part pendulum drive, wherein the pendulum drive has at least one eccentric shaft mounted to rotate about a vertical eccentric axis, and at least two rockers each mounted so as to be capable of vibrating about a vertical vibration axis and connected by means of couplers to the eccentric shaft, said rockers holding the grinding beakers. The pendulum drive further has a motor unit coupled to the eccentric shaft as a drive for the eccentric shaft and optionally further components, wherein a rotary movement of the eccentric shaft via the couplers can be converted into a vibrating movement of the rockers. According to the invention, the centre of gravity of the pendulum drive in a horizontal centre of gravity plane is substantially equidistant from both vibration axes.Type: ApplicationFiled: May 7, 2019Publication date: October 22, 2020Applicant: Retsch GmbHInventors: Uwe Orth, Stefan Drechsler, Frank Janetta, Alexander Mühlig
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Patent number: 10639644Abstract: The invention relates to a laboratory mill comprising at least one counter-vibration device (27) which has at least one control unit (29a) for providing a counter-vibration signal (29b) and at least one controllable vibration generation unit (29) for converting the counter-vibration signal (29b) into counter-vibrations (30), wherein the vibration-generation unit (29) counteracts a device- and/or housing part (31) of the laboratory mill (1) and the counter-vibrations (30) lead to an active reduction in the vibrations of the device- and/or housing part (31) and/or an at least partial suppression of noise-inducing vibrations of the device- and/or housing part (31), by means of destructive interference.Type: GrantFiled: April 3, 2017Date of Patent: May 5, 2020Assignee: Retsch GmbHInventor: Frank Janetta
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Patent number: 10058871Abstract: A ball mill is provided comprising at least two milling cup retainers arranged on a machine base plate, each milling cup retainer being designed for a milling cup clamped in the milling cup retainer in a lying position, each milling cup having end-face milling cup ends and a filling of balls as milling bodies and comprising a drive that causes an out-of-phase rotational motion between the milling cup retainers.Type: GrantFiled: June 14, 2013Date of Patent: August 28, 2018Assignee: RETSCH GMBHInventors: Jürgen Pankratz, Stefan Mähler, Matthias Niewind, Frank Janetta
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Patent number: 8720806Abstract: A laboratory grinding mill having at least one grinding bowl configured to carry out a rotary movement about its central axis, and designed for conveying a liquid or gaseous medium therethrough. A rotary lead-through device having a stationary part and a movable part is coupled to the movement of the grinding bowl. The stationary part is provided with at least one connection for a stationary conduit, and the movable part is provided with at least one connection with a conduit that leads to the grinding bowl.Type: GrantFiled: January 26, 2010Date of Patent: May 13, 2014Assignee: Retsch GmbHInventor: Stefan Reinhold Mahler
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Patent number: 8042754Abstract: A laboratory vibration grinding mill comprising a circular oscillating drive that operates in at least two dimensions, at least one support, and a respective elongated grinding bowl held in each support. The grinding bowl has a filling of grinding bodies and is provided with frontal grinding bowl bases. The support for a grinding bowl is configured such that a longitudinal axis of the grinding bowl forms an angle of less than 90° with a plane of movement of the circular oscillating drive such that due to movement paths of the grinding bodies in the grinding bowl caused by the inclined position of the grinding bowl relative to the plane of movement of the circular oscillating drive, the frontal grinding bowl bases are incorporated into a size-reduction process as abutment and grinding surfaces.Type: GrantFiled: July 12, 2008Date of Patent: October 25, 2011Assignee: Retsch GmbHInventors: Stefan Mähler, Jürgen Pankratz
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Publication number: 20100181402Abstract: A laboratory vibration grinding mill comprising a circular oscillating drive that operates in at least two dimensions, at least one support, and a respective elongated grinding bowl held in each support. The grinding bowl has a filling of grinding bodies and is provided with frontal grinding bowl bases. The support for a grinding bowl is configured such that a longitudinal axis of the grinding bowl forms an angle of less than 90° with a plane of movement of the circular oscillating drive such that due to movement paths of the grinding bodies in the grinding bowl caused by the inclined position of the grinding bowl relative to the plane of movement of the circular oscillating drive, the frontal grinding bowl bases are incorporated into a size-reduction process as abutment and grinding surfaces.Type: ApplicationFiled: July 12, 2008Publication date: July 22, 2010Applicant: Retsch GmbHInventors: Stefan Mähler, Jürgen Pankratz
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Patent number: D1106746Type: GrantFiled: March 8, 2024Date of Patent: December 23, 2025Assignee: Retsch GmbHInventors: Ingo Michelmann, Christof Paul
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Patent number: D1107247Type: GrantFiled: March 8, 2024Date of Patent: December 23, 2025Assignee: Retsch GmbHInventors: Ingo Michelmann, Christof Paul
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Patent number: D1116149Type: GrantFiled: March 8, 2024Date of Patent: March 3, 2026Assignee: Retsch GmbHInventors: Ingo Michelmann, Christof Paul
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Patent number: D1123182Type: GrantFiled: March 8, 2024Date of Patent: April 21, 2026Assignee: Retsch GmbHInventors: Ingo Michelmann, Christof Paul