Abstract: The invention relates to a mechanical seal assembly (1) for sealing between a high-pressure region (8) and a low-pressure region (9) on a rotating component (7), comprising a mechanical seal (2) with a rotating slide ring (3) with a first slide surface (30) and a stationary slide ring (4) with a second slide surface (40), wherein a sealing gap (5) is defined between the slide surfaces (30, 40), a slide ring carrier (31) for the rotating slide ring (3), which is configured to connect the rotating slide ring (3) to the rotating component (7) in a rotationally fixed manner, wherein the slide ring carrier (31) comprises a sleeve region (32), and a force support arrangement (6), which is configured to support an axial force (F) acting on the mechanical seal assembly (1), wherein the force support arrangement (6) is arranged on an end face (32a) of the sleeve region (32) of the slide ring carrier (31), wherein the force support arrangement (6) comprises a clamping sleeve (60), a conical sleeve (61) and a split ring

Abstract: An imaging system includes a first image pickup and a second image pickup, a first imaging device imaging a first scene onto the first image pickup, a second imaging device imaging a second scene onto the second image pickup; wherein the first imaging device includes a front optical unit including a front lens, a beam splitter, and a first rear optical unit, wherein the second imaging device includes the front optical unit, the beam splitter, a second rear optical unit, a focus point of one of the imaging devices is a macro focus point, a focus point of the other imaging device is a wide-angle focus point, the macro focus point is within a range from 0 mm to 1 mm in front of the front lens and the wide-angle focus point is at least 3 mm in front of the front lens.

Abstract: The present disclosure relates to a system and a method for determining the dry weight of a patient after dialysis therapy, wherein the patient's blood volume is monitored and blood volume values are output. The blood volume values are recorded and evaluated for a predetermined period of time after reaching an ultrafiltration volume appropriately predetermined for the patient, wherein the dry weight of the patient then is determined on the basis of the rate of change of the blood volume during the predetermined period of time.

Abstract: A holding device for holding and fixing at least one electronic terminal device, in particular of the entertainment electronics type, during a medical treatment, more particularly dialysis treatment. The terminal device is or can be attached to a medical treatment apparatus, such as a dialysis machine, or to a patient bed. The holding device includes an integrated charging unit to supply the held and/or fixed electronic terminal device with power, more particularly from the medical treatment apparatus, with a protection circuit being integrated in the holding device to detect a defect of a terminal device that has just been connected. A charging unit includes an integral power supply unit on a dialysis machine or patient bed having a holding device.

Abstract: A method of operating a microgrid includes operating one of a plurality of power sources to deliver power to the microgrid. The method also includes measuring a quantity of power delivered to the microgrid, drawing power from the microgrid to power one of a plurality of loads, each load including a plurality of separately operable subsystems, and calculating an automation level and a production change capability for each load and subsystem of the plurality of subsystems. The method also includes measuring a quantity of power drawn from the microgrid and reducing the quantity of power drawn from the microgrid in response to a measured quantity of power drawn exceeding a measured quantity of power provided.

Abstract: A method of operating a microgrid while isolated from an outside grid includes dispatching a plurality of green generating systems to deliver a first quantity of power to the microgrid. The method also includes drawing a second quantity of power from the microgrid to power a system that operates to produce a final output product. The method also includes calculating a power different between the first quantity of power and the second quantity of power and reducing the second quantity of power in response to the power difference indicating that the second quantity of power is greater than the first quantity of power.

Abstract: The invention relates to a compressor arrangement comprising a compressor (2) for compressing a process gas (13) from a suction region (21) towards a pressure region (22), a mechanical seal arrangement (3) for sealing against an atmosphere (6) on a shaft (5) of the compressor (2), wherein the mechanical seal arrangement comprises a mechanical seal (4) having a stationary slide ring (41) with a first sliding surface (41a) and a rotating slide ring (42) with a second sliding surface (42a), which define a sealing gap (42a) between the sliding surfaces (41a, 42a), and a barrier fluid supply (7) with a barrier fluid line (70) which extends from the pressure region (22) of the compressor (2) to the mechanical seal (4) and through which process gas is branched off from the pressure region, the stationary slide ring (41) having a through opening (8), which extends from a rear side (41b) of the stationary slide ring (41) to an orifice at the first sliding surface (41a) of the stationary slide ring to supply process ga

Abstract: The invention relates to a compressor arrangement comprising a compressor (2) for compressing a process gas (13) from a suction region (21) towards a pressure region (22), a mechanical seal arrangement (3) for sealing against an atmosphere (6) on a shaft (5) of the compressor (2), wherein the mechanical seal arrangement comprises a mechanical seal (4) having a stationary slide ring (41) with a first sliding surface (41a) and a rotating slide ring (42) with a second sliding surface (42a), which define a sealing gap (42a) between the sliding surfaces (41a, 42a), and a barrier fluid supply (7) with a barrier fluid line (70) which extends from the pressure region (22) of the compressor (2) to the mechanical seal (4) and through which process gas is branched off from the pressure region, the stationary slide ring (41) having a through opening (8), which extends from a rear side (41b) of the stationary slide ring (41) to an orifice at the first sliding surface (41a) of the stationary slide ring to supply process ga

Abstract: The invention relates to a mechanical seal assembly (1) for sealing between a high-pressure region (8) and a low-pressure region (9) on a rotating component (7), comprising a mechanical seal (2) with a rotating slide ring (3) with a first slide surface (30) and a stationary slide ring (4) with a second slide surface (40), wherein a sealing gap (5) is defined between the slide surfaces (30, 40), a slide ring carrier (31) for the rotating slide ring (3), which is configured to connect the rotating slide ring (3) to the rotating component (7) in a rotationally fixed manner, wherein the slide ring carrier (31) comprises a sleeve region (32), and a force support arrangement (6), which is configured to support an axial force (F) acting on the mechanical seal assembly (1), wherein the force support arrangement (6) is arranged on an end face (32a) of the sleeve region (32) of the slide ring carrier (31), wherein the force support arrangement (6) comprises a clamping sleeve (60), a conical sleeve (61) and a split ring

Abstract: The invention relates to a civil engineering device with an undercarriage with a crawler chassis, an upper carriage, which is arranged on the undercarriage, and a mast, which is mounted vertically oriented on the upper carriage. According to the invention it is provided that arranged on an upper area of the mast is at least one camera, by which an image of the civil engineering device and its surroundings can be recorded.

Abstract: A device includes an offset subtraction unit; an image sensor which receives, for each of a plurality of bright frames, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit, and receives, for a dark frame, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit; and a control unit which ensures that the image sensor alternately transmits a number of bright frames and one dark frame to the offset subtraction unit. An amount of light by which the respective image signal for each of the bright frames is generated is larger than an amount of light by which the respective image signal for the dark frame is generated; and the offset subtraction unit obtains an offset and subtracts the offset from a signal.

Abstract: A method and a device for activating a function of a device, preferably of a medical device. The method includes the steps of: detecting an actual state of the device using a camera, preferably an AR device, which is preferably AR glasses; comparing the actual state of the device with a desired state of the device using a CPU connected to the camera; transmitting, on the basis of the comparison, a command for starting the function of the device or a function test, preferably a function test, from the CPU to the device; and activating the function or the function test of the device on the basis of this command.

Abstract: An imaging system includes a first image pickup and a second image pickup, a first imaging device imaging a first scene onto the first image pickup, a second imaging device imaging a second scene onto the second image pickup; wherein the first imaging device includes a front optical unit including a front lens, a beam splitter, and a first rear optical unit, wherein the second imaging device includes the front optical unit, the beam splitter, a second rear optical unit, a focus point of one of the imaging devices is a macro focus point, a focus point of the other imaging device is a wide-angle focus point, the macro focus point is within a range from 0 mm to 1 mm in front of the front lens and the wide-angle focus point is at least 3 mm in front of the front lens.

Abstract: A method for preventing a forward flip-over or a flip-over about the vehicle transverse axis of a single-track motor vehicle, during a braking action of its front wheel. In the method, a lift-off indicator parameter is ascertained, which represents the flip-over hazard by a rear wheel at risk of lifting off or already having lifted off the ground surface, and the braking force at the front wheel is reduced as a function thereof to prevent a flip-over.

Abstract: An interface for a medical device, in particular an extracorporeal blood treatment machine or a dialysis machine, includes a display for displaying display operating elements, base operating elements provided next to the display, and an optical actuation sensor. The optical actuation sensor detects a user interaction with, in particular a touching of, the display operating elements of the display and the base operating elements disposed in the same plane. The optical actuation sensor can be partially activated or deactivated.

Abstract: The invention relates to a mechanical seal arrangement comprising a mechanical seal (2) having a rotating sliding ring (3) and a stationary sliding ring (4) defining a sealing gap (5) between the sealing surfaces (30, 40) thereof, a slide ring carrier (6) for holding the stationary sliding ring (4), an axially movable thrust ring (7) arranged on a rear side (43) of the stationary sliding ring (4) between the slide ring carrier (6) and the stationary sliding ring, a pretensioning device (8) arranged between the thrust ring (7) and the slide ring carrier (6) to pretension the stationary sliding ring (4) in the axial direction X-X of the mechanical seal arrangement, and an anti-rotation device (10) to keep the stationary sliding ring (4) rotationally fixed and axially movable, the anti-rotation device (10) having a first transmission device (11) for transmitting force between the sliding ring carrier (6) and the thrust ring (7) and a second transmission device (12) for transmitting force between the thrust ring

Abstract: The present disclosure relates to a system and a method for determining the dry weight of a patient after dialysis therapy, wherein the patient's blood volume is monitored and blood volume values are output. The blood volume values are recorded and evaluated for a predetermined period of time after reaching an ultrafiltration volume appropriately predetermined for the patient, wherein the dry weight of the patient then is determined on the basis of the rate of change of the blood volume during the predetermined period of time.

Abstract: A device includes an offset subtraction unit; an image sensor which receives, for each of a plurality of bright frames, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit, and receives, for a dark frame, a respective image signal obtained during a respective exposure time of the image sensor, and transmits the same to the offset subtraction unit; and a control unit which ensures that the image sensor alternately transmits a number of bright frames and one dark frame to the offset subtraction unit. An amount of light by which the respective image signal for each of the bright frames is generated is larger than an amount of light by which the respective image signal for the dark frame is generated; and the offset subtraction unit obtains an offset and subtracts the offset from a signal.

Abstract: A method for determining the dry weight of a patient after dialysis therapy, wherein the patient's blood volume is monitored and blood volume values are output. The blood volume values are recorded and evaluated for a predetermined period of time after reaching an ultrafiltration volume appropriately predetermined for the patient, wherein the dry weight of the patient then is determined on the basis of the rate of change of the blood volume during the predetermined period of time.

Abstract: An interface for a medical device, in particular an extracorporeal blood treatment machine or a dialysis machine, includes a display for displaying display operating elements, base operating elements provided next to the display, and an optical actuation sensor. The optical actuation sensor detects a user interaction with, in particular a touching of, the display operating elements of the display and the base operating elements disposed in the same plane. The optical actuation sensor can be partially activated or deactivated.