A sensor housing includes an inlet flow port, an outlet flow port, a flow sensing region, and a flow channel extending between the inlet flow port, the flow sensing region and the outlet flow port. The flow channel defines a flow path between the inlet flow port and the flow sensing region that is contorted in three-dimensions. The three-dimensional contorted flow path between the inlet flow port and a flow sensing region may include a particle collection region that is configured to decelerate a fluid and collect particles that are released from the fluid. The deceleration of the fluid flow and/or one or more changes in the direction of fluid flow along the contorted three-dimensional flow path may cause dust and/or other particulate matter to be released from the fluid prior to reaching a sensor in the sensing region.

A fluid monitor for measuring flow of a fluid, including: a housing including a shell including a lower end for cooperating with a conduit; an inset board configured to be installed in the housing by inserting from the lower end; a monitor circuit board arrangeable between the inset board and the shell, wherein the inset board and an inner portion of the shell may be configured so that a perimeter of the inset board contacts the inner portion of the shell forming a fluidly tight connection when the inset board may be installed in the shell and forming a fluidly tight cavity for housing the monitor circuit board; wherein in installed configuration, the inset board is at a distance of the lower end of the housing, thereby providing a lower volume for receiving the conduit.

A flow passage adapter of the present disclosure is a flow passage adapter configured to be attached to an inflow port of a flow rate measuring unit to introduce a measurement target fluid into the flow rate measuring unit. The flow passage adapter includes a flow passage which is disposed in a body of the flow passage adapter and through which the measurement target fluid is to flow and a plurality of ribs disposed in the flow passage such that the measurement target fluid introduced into the flow passage collides with the plurality of ribs, and the flow passage adapter being configured to be attached to the flow rate measuring unit such that the flow passage adapter covers the inflow port of the flow rate measuring unit.

A filter assembly includes a conditioning device that conditions a flow of air upstream of a mass air flow sensor. The filter assembly includes a support frame. The filter assembly further includes a filter media coupled to the support frame, the filter media having a dirty side configured to receive a stream of air and a clean side configured to output a stream of air that has been filtered through the filter media. The filter assembly includes a conditioning device coupled to the support frame, the conditioning device positioned in a downstream direction from the clean side of the filter media with respect to the stream of air, the conditioning device offset from the clean side of the filter media by a separation distance.

A filter apparatus for an electrochemical device that improves durability and stability includes a supply line configured to supply a target fluid to an electrochemical device, a first filter part provided in the supply line, a second filter part positioned at a downstream side of the first filter part, a first bypass line having a first end positioned at an upstream side of the first filter part, and a second end positioned between the first filter part and the second filter part, a second bypass line having a first end positioned at a downstream side of the second filter part, and a second end positioned at the upstream side of the first filter part, and a third bypass line having a first end positioned between the first filter part and the second filter part, and a second end positioned at the downstream side of the second filter part.

A flow rate assembly can include a housing having a measurement channel extending along the housing axis and through a portion of the housing between the first and second ends of the housing, an outer cup portion positioned at least partly within the housing, and a transducer positioned within the outer cup portion and sealed from fluid flow past the outer cup portion, the transducer having a width perpendicular to the housing axis and greater than the width of the measurement channel, the transducer configured to generate an ultrasonic signal and to direct the ultrasonic signal through the measurement channel.

An ageing and dust detection system, comprising: a data collection unit configured to collect a plurality of parameters of a gas meter; and a processing unit, configured to: receive the plurality of the parameters of the gas meter; calculate a numerical value of the plurality of the parameters; compare the calculated numerical value of the plurality of the parameters with a corresponding predefined higher range of values and a predefined lower range of values for the plurality of parameters; determine a reason of a fault in the gas meter based on the compared values, wherein the reason of the fault in the gas meter is at least one of, a presence of a dust, an ageing of the gas meter, or a combination thereof.

A method of tracking liquid consumption for a bottle assembly may include sensing a dispensing operation of an external liquid dispenser. The method may further include determining an identity of the external liquid dispenser based on sensing the dispensing operation of the external liquid dispenser. The method may also include adjusting the flow assembly in response to determining the identity of the external liquid dispenser. The flow assembly may define a filter position and a bypass position. The method may also include measuring liquid data of the liquid reservoir following adjusting the flow assembly.

A method of tracking liquid consumption for a bottle assembly may include sensing a dispensing operation of an external liquid dispenser. The method may further include determining an identity of the external liquid dispenser based on sensing the dispensing operation of the external liquid dispenser. The method may also include adjusting the flow assembly in response to determining the identity of the external liquid dispenser. The flow assembly may define a filter position and a bypass position. The method may also include measuring liquid data of the liquid reservoir following adjusting the flow assembly.

A flow rate assembly can include a housing having a measurement channel extending along the housing axis and through a portion of the housing between the first and second ends of the housing, an outer cup portion positioned at least partly within the housing, and a transducer positioned within the outer cup portion and sealed from fluid flow past the outer cup portion, the transducer having a width perpendicular to the housing axis and greater than the width of the measurement channel, the transducer configured to generate an ultrasonic signal and to direct the ultrasonic signal through the measurement channel.