A process is described that includes flowing a carrier fluid through a transfer line, feeding polymer pellets into the transfer line at a feed location, measuring a first pressure value of the carrier fluid at a location in the transfer line upstream of the feed location, measuring a second pressure value of the carrier fluid and polymer pellets at a downstream location in the transfer line which is downstream of the feed location, and determining a mass flow rate of the polymer pellets flowing in the transfer line based on a differential pressure between the first pressure value and the second pressure value.

The present invention provides an ultrafine bubble-containing liquid producing apparatus capable of reducing the possibility of intermitting supply of a UFB-containing liquid. An ultrafine bubble-containing liquid producing apparatus includes producing units that produce an ultrafine bubble-containing liquid containing ultrafine bubbles by using a liquid supplied from a liquid introducing unit and deliver the produced ultrafine bubble-containing liquid to a liquid delivering unit. The producing units include a plurality of ultrafine bubble generating units capable of operating independently. Each of the plurality of ultrafine bubble generating units is provided to be capable of independently switching between communicating with and being disconnected from the liquid introducing unit and the liquid delivering unit.

An exhaust aftertreatment system for an internal combustion engine includes an outer casing defining an exhaust flow path for exhaust gases from the internal combustion engine, a selective catalytic reduction unit provided in the exhaust flow path for reducing nitrogen oxides, a urea dosing device for adding urea to the exhaust flow upstream of the selective catalytic reduction unit, and a rotatable mixer device for mixing the urea with exhaust gases upstream of the selective catalytic reduction unit. The exhaust aftertreatment system further comprises an air inlet valve provided upstream of the mixer device for introducing air into the exhaust flow path, and an electric motor arranged for rotating the mixer device to create a suction of air into the exhaust flow path via the air inlet valve.

A linear reciprocating actuator for mixing, agitating, separation, continuous sampling and/or harvesting or filtration, gas mixing, and various other applications. The actuator may have a housing closed on one end, and attached to a vessel in a hermetically-sealed manner such that it is part of the fluidic envelope of the vessel. An agitation device may be attached to a shaft which is partially surrounded by the housing, or the agitation device may surround the housing where the housing protrudes into the vessel. The actuator enables agitation of the contents of a hermetically-sealed vessel without mechanical coupling from outside the fluidic envelope of the process. The agitation device is solely acted upon by a magnetic field, is contained entirely within the fluidic envelope of the process, and is not attached to the vessel in any way. The magnetic flux which drives the agitation device passes through the housing.

The disclosure provides a bulk material unloading system and method. The system includes a bulk material container containing a bulk material and an unloading device. The unloading device is configured to engage the bulk material container and at least partially invert the bulk material container. The method includes engaging a bulk material container containing a bulk material with an unloading device and emptying the bulk material container. Emptying the bulk material into the hopper includes lifting the bulk material container using the unloading device and rotating the bulk material container using the unloading device.

A surgical system including a surgical tool and a navigation system for tracking the position of the surgical tool. The surgical tool comprising a housing including a variable speed motor and control module disposed within the housing. The navigation system comprising a navigation console in communication with the control module of the surgical tool, the navigation console may be configured to communicate instructions to the control module of the surgical tool based on the position of the surgical tool relative to a defined zone. The navigation console may be configured to deactivate the surgical tool based on the position of the surgical tool relative to the defined zone. The navigation console may also be configured to provide a user-selectable override option to allow continued operation of the surgical tool within the defined zone.

An apparatus for mixing a liquid and a substance, including a housing with a liquid inlet and a substance inlet to a mixing chamber, an outlet for a mixture of liquid and substance, and a flow restrictor arranged in the housing, between the liquid inlet and the mixing chamber. The flow restrictor is controllable to switch between a first position providing a first through flow area configured to create a Venturi effect such that a flow of the liquid draws the substance into the mixing chamber, and a second position providing a second through flow area that is larger than the first through flow area to thereby decrease a pressure drop caused by the flow restrictor.

The controller that receives at least one sensor signal indicative of a measured profile of a particulate material within a storage tank of an agricultural system. The controller also determines whether a variation between the measured profile and a target profile is greater than a threshold value. The controller outputs a first output signal to a user interface indicative of instructions to inform an operator of a profile variation, outputs a second output signal to an agitator indicative of activation of the agitator, or a combination thereof, in response to determining that the variation between the measured profile and the target profile is greater than the threshold value.

A foam material generator has a housing; transmission device on the housing; housing cavity within the housing; pressurizing stirring foaming wheel within the cavity; transmission device transmission shaft connected to the wheel; pressurizing stirrers on the wheel; pressurizing stirrer airflow-facing surface forms an inclined angle with a cross sectional surface in a wheel rotational axis direction; housing cavity inlet is on a cavity end, and a housing cavity outlet is on another end; encircling abrasive disc is on a cavity inner wall adjacent to the outlet; encircling abrasive disc inlet is at a encircling disc middle portion; vortex current abrasive foaming disc is on a wheel end adjacent to the encircling disc; vortex current abrasive foaming disc surface conforms to be in close proximity with an encircling disc surface; and vortex current abrasive foaming cavity is between the surfaces of the vortex current abrasive foam disc and encircling disc.

A dispensing device, comprising a plurality of microfluidic pumps, microfluidic valves, and a microfluidic mixer chip, for receiving and mixing microfluidic amounts of a plurality of fluids having differing viscosities, is disclosed. The device includes a plurality of pathways for moving fluids from associated reservoirs to the microfluidic mixer chip. A mix controller controls the microfluidic pumps and valves so that the fluids, having different viscosities, can be accurately mixed at specified microfluidic amounts or volumes according to a specified microfluidic recipe, and the microfluidic mixture dispensed from the device. The device can be in communication with a software application implemented on a mobile compute device, such as a smartphone, and receive instructions for implementing the specified microfluidic recipe from the software application such that the operation of device components is at the direction of the software application executed on the mobile compute device.