Abstract: A structural load cell case for a pick and place robotic system that prevents torsion, bending, and overloading from damaging sensors is disclosed. The structural load cell case includes a base, an inner tube that houses the load cell, and a roller sleeve outside the inner tube. The base is adapted to connect to a load and includes a compression spring interfaced with a first part of the load cell. The roller sleeve includes a plurality of roller bearings in contact with the inner tube. The inner tube is free to slide along an axis of the roller sleeve up to pre-determined limits, but is constrained from rotating or translating in directions other than the axis of the roller sleeve.

Abstract: A measuring device for measuring a mass flow rate of a material flow having a rotatably mounted, bladed measurement wheel for deflecting the material flow, a drive shaft for driving the measurement wheel, an output shaft rigidly connected to the measurement wheel, a bearing sleeve, surrounding at least part of the output shaft, for the rotatable mounting of the output shaft, a force-measuring apparatus, and a gearbox which has a first gearbox element and a second gearbox element, and an intermediate element for transmitting a torque from the first gearbox element to the second gearbox element. The measuring device has a rocker which is rigidly connected to the bearing sleeve and on which the intermediate element of the gearbox is mounted. The force-measuring apparatus is connected to the rocker, so that a force transmitted to the rocker can be measured by the force-measuring apparatus.

Abstract: A centrifugal pump includes at least one pump stage (14). This pump stage (14) includes an impeller (18) which is mounted rotationally fixed on a pump shaft (26). Apart from the pump stage (14), the centrifugal pump is equipped with a turbine wheel (32) which is arranged on the pump shaft (26), without a movement coupling to the pump shaft, in the delivery flow of the centrifugal pump. This turbine wheel (32) forms a transducer of a flow measuring device. A blading of the turbine wheel (32) is such that a torque exerted by the delivery flow onto the turbine wheel (32?) is directed counter to a torque exerted via the pump shaft (26) onto the impeller (18).

Abstract: A system and a method is provided to measure the material discharge from a mill for grinding one in a real time. The system includes at least a strain gage located on at least one insert positioned in a pulp lifter or discharge cone. The strain gage is connected to an adaptor unit. A wireless transmitter is connected to the adaptor unit to transmit signals from the strain gage to a wireless receiver. A signal reader is connected to the wireless receiver to process the signal.

Abstract: In accordance with one embodiment, a machine for generating electrical energy comprises a housing. A rotor has interior blades for rotation in response to receipt of material. The rotor has an outer surface and an inlet. A first magnet assembly is secured to the outer surface of the rotor. A first stator winding is in electromagnetic communication with the corresponding first magnetic assembly, such that if the rotor rotates a first electromagnetic signal energizes the first stator windings based on the flow of material into or through the inlet.

Abstract: A motorless mass flowmeter in accordance with one embodiment of the invention comprises a turbine subassembly, a drum, and an impeller. The drum is rigidly connected to the turbine subassembly such that the drum rotates in accompaniment to rotation of the turbine subassembly. The impeller is rotationally coupled to the drum by way of a spring that allows relative rotation against the bias of the spring. The turbine subassembly has jets and bypass valves. The turbine subassembly may be implemented in the form of a laminated bypass valve structure. The laminated bypass valve structure may include an entrance layer having entrance port(s), a closure layer having closure member(s), an exit layer defining exit passage(s), and an intermediary layer forming conduit(s) for guiding fluid from entrance port(s) to exit passage(s).

Abstract: A device for the measurement of the mass flow, in particular, of a bulk material flow, by the Coriolis measuring principle, comprising a motor with an impeller, driven at constant speed. The bulk material flow is dispensed onto the impeller, radially deflected and measured by means of a force measurement device for the drive torque of the impeller. A drive shaft supporting the impeller is rotatably mounted in a bearing sleeve and is coaxially enclosed by the same. The bearing sleeve is driven at a speed which corresponds to the speed of the drive shaft. The force measurement device is arranged directly between the drive shaft and the bearing sleeve.

Abstract: The invention relates to a measuring device for determining the mass rate of flow of a mass flow, especially for measuring a flow of bulk material. An impeller wheel (2), which is connected to the drive shaft (3) and which is driven at a constant rotational speed, is thus provided. The impeller wheel (2) deviates an axially impinged mass flow in a radial direction and provides it with a radial and tangential speed component. The drive shaft (3) includes a spur-toothed wheel (11) which engages with an intermediate spur-toothed wheel (21) and which is driven by a driving spur-toothed wheel (20, 31). The intermediate spur-toothed wheel (21) is mounted on a force transmitting arm (24) which is maintained in a radial position by a force measuring device.

Abstract: A mass flowmeter of the Coriolis type with a tube through which a medium flows during operation and with excitation elements for causing the entire tube or part thereof to perform a rotational vibration about a primary axis of rotation during operation. The excitation elements are electromagnetic and do not make contact with the tube during operation and have no components that are fastened to the tube. More The tube is made of an electrically conducting material, and the excitation elements include first members for causing an electric current to flow through the tube during operation and second elements for generating a magnetic field at the area of a portion of the tube. The magnetic field is perpendicular to the direction of the current and in operation either the current or the magnetic field changes its sign periodically.

Abstract: Device for measuring a mass flow according to the Coriolis principle comprises impeller driven at a constant speed, on which the flow of materials is fed, redirected and accelerated, and whereby the torque of the impeller is measured. The impeller is suspended on a torsion spring bar, which is arranged within a sleeve shaft. The torsion spring bar drives the impeller. There is at least one sensor to measure the angular shift between the powering sleeve shaft and the impeller.

Abstract: The invention relates to a measuring device for determining the mass rate of flow of a mass flow, especially for measuring a flow of bulk material. An impeller wheel (2), which is connected to the drive shaft (3) and which is driven at a constant rotational speed, is thus provided. The impeller wheel (2) deviates an axially impinged mass flow in a radial direction and provides it with a radial and tangential speed component. The drive shaft (3) includes a spur-toothed wheel (11) which engages with an intermediate spur-toothed wheel (21) and which is driven by a driving spur-toothed wheel (20, 31). The intermediate spur-toothed wheel (21) is mounted on a force transmitting arm (24) which is maintained in a radial position by a force measuring device.

Abstract: Device for measuring a mass flow according to the Coriolis principle comprises impeller driven at a constant speed, on which the flow of materials is fed, redirected and accelerated, and whereby the torque of the impeller is measured. The impeller is suspended on a torsion spring bar, which is arranged within a sleeve shaft. The torsion spring bar drives the impeller. There is at least one sensor to measure the angular shift between the powering sleeve shaft and the impeller.

Abstract: The invention relates to a device for measuring a mass flow, comprising a measuring wheel (3) that is supported by a shaft (4) and that is driven and impinged axially by the mass flow. Said wheel deflects the flow, giving it both radial and tangential speed components. The shaft bears an actuation spur wheel (7), which engages with an intermediate spur wheel (8) that is held in position by a force measuring device (14) and has a second meshing with a drive spur wheel (9) that is driven by a drive motor (13). The diameter of the actuation spur wheel (7) is more than 0.3 fold, preferably 0.5 to 1 of the diameter of the measuring wheel (3). This provides a device for measuring a mass flow, which has a high zero constant and thus a high degree of measuring precision, is cost-effective to produce, robust during operation and which has none of the disadvantages of prior art.

Abstract: Measures of a torque and rotational speed of a pump or fan are obtained, from which a mechanical input power can be calculated. By further using predetermined relations between mechanical input power and flow rate through the pump or fan, a measure of the flow rate can be derived without use of in-line flow or pressure sensors. In preferred embodiments the torque and/or rotational speed is obtained by measuring the input current and voltage of a motor driving the pump or fan and using predetermined relations between on the one hand current and voltage and on the other hand torque and rotational speed. Furthermore, also other flow properties, such as pump head, pump efficiency and total efficiency can be determined in this manner.

Abstract: The invention relates to a device for measuring the flow of material, especially of a flow of bulk material, according to the Coriolis principle of measurement. The device has an impeller (2) which is driven by a motor (9) with a constant r.p.m. The flow of material is fed to the impeller (2) and is radially deflected. The driving torque is measured by a torque measuring sensor. The driving torque is transmitted to a force sensor (22) by a pivot bearing (12) for determining the torque. The force-sensing element (22) has at least two horizontal leaf springs (16, 17) which cross each other and which are arranged in such a way that the crossing point of the leaf springs (16, 17) coincides with a rotational axis (13). A thrust bearing (14) is integrated into the pivot bearing (12). The weight of the drive train is transmitted to a stationary housing (8) by the thrust bearing (14) with the help of a ball bearing or toe bearing.

Abstract: The invention relates to a device for measuring a mass flow, comprising a measuring wheel (3) that is supported by a shaft (4) and that is driven and impinged axially by the mass flow. Said wheel deflects the flow, giving it both radial and tangential speed components. The shaft bears an actuation spur wheel (7), which engages with an intermediate spur wheel (8) that is held in position by a force measuring device (14) and has a second meshing with a drive spur wheel (9) that is driven by a drive motor (13). The diameter of the actuation spur wheel (7) is more than 0.3 fold, preferably 0.5 to 1 of the diameter of the measuring wheel (3). This provides a device for measuring a mass flow, which has a high zero constant and thus a high degree of measuring precision, is cost-effective to produce, robust during operation and which has none of the disadvantages of prior art.