A fluid distribution apparatus that can serve as a fluid metering device that is operable on a single platform by building automation systems. The building automation system may be controllable by a single software system or network accessible locally on site or remotely off site. The fluid distribution apparatus can operate independently or coupled with multiple like apparatuses for system operation. It is a high turndown, self-balancing system which allows for continuous commissioning with built-in fault diagnostic systems and that may be used as a supply system, exhaust system, or a combination thereof. The fluid distribution apparatus includes fluid metering devices that operate progressively based on unique actuation mechanisms and/or algorithms that allow for precise flow control and feedback to self-balance and commission the system.

In one embodiment, the present disclosure includes a dispenser vane comprising a flexible outer surface and a plurality of flexible teeth arranged along the length of the outer surface. The flexible outer surface and flexible teeth are radially moveable.

An apparatus for the delivery of gas to a user of the type suitable to be crossed at least in part by a flow of gas from a supply network includes: a containment casing having at least one gas inlet opening and at least one gas outlet opening, a measurement module of the gas passing through and/or circulates in the apparatus, housed inside the containment casing and fluidically connected to the at least one outlet opening, a regulation module having a device for regulating the pressure of the gas that passes through and/or circulates in the apparatus, an interception module that is placed between the regulation module and the measurement module. The interception module is configured to selectively allow/prevent the passage of the gas flow towards the measuring module, and is electronically connected with said electronic unit to be thus controlled by said electronic unit.

A fluid delivery system for an appliance includes a fluid line in selective communication with a fluid source. A shelf defines a fill zone positioned below an underside of the shelf. A shelf spigot is coupled with the fluid line and disposed proximate the underside of the shelf and over the fill zone. A fluid level sensor is positioned in communication with the fill zone. The fluid level sensor is also in communication with a controller that regulates a flow of fluid through the shelf spigot.

A device (20) for measuring the flow rate of ink sent to a print head of an ink jet printer, comprising: a restriction (22) of the diameter of the flow of ink, arranged in the path thereof, sensors (26, 28) for measuring the pressure difference (P.sub.in−P.sub.out), between the pressure of fluid upstream of the restriction (P.sub.in) and the pressure of ink downstream of the restriction (P.sub.out).

Proposed is a flow sensor (10), in particular for single use, having at least three measurement chambers (11, 15, 19), which are arranged one behind the other and are interconnected in each case by a flow resistance. At least two of the flow resistances have a different coefficient of pressure loss. A pressure measuring means (12, 16, 20) is provided for each measurement chamber, which pressure measuring means (12, 16, 20) is suitable for measuring the pressure in the measurement chamber. An electromagnetically actuatable valve arrangement (50) can be connected downstream of the flow sensor.

An assembly for use with a water meter includes: a housing including a meter portion integrally formed with a valve portion; and a valve positioned in the valve portion and in sealable communication with an inner surface of the housing, the valve defining a valve inlet portion and a valve outlet portion, the valve inlet portion defining a vertical portion and separated from the valve outlet portion by a top edge portion defined in the vertical portion, the valve inlet portion sealable from the valve outlet portion by a diaphragm assembly of the valve, the diaphragm assembly defining a water leak passthrough configured to allow passage of water from a first side of the diaphragm assembly to a second side of the diaphragm assembly opposite from the first side.

A method for calibrating a product valve disposed along a flow path in a duct, with a calibration valve in a duct remote from the product valve and having a geometric shape and operational parameters corresponding to those of the product valve. A calibration controller establishes calibration conditions and, in responsive thereto, generates a calibration flow rate (CFM) function by measuring for the calibration valve, a sparse set of flow rates and determining a surface-fit mathematical representation of fluid flow through the calibration valve over applied calibrated flow rates and the measured pressure drops. The CFM Function is transferred to a product blade controller, which in turn, processes the representation of the mathematical surface, and controls fluid flow through product valve based on values extracted from the received CFM Function as well as at least one parameter control signal indicative of a desired set point.

A manifold includes a housing defining first and second inlets and outlets. With the housing, a valve retainer defines a first chamber in fluid communication with the first and second inlets. The valve retainer may engage a first valve assembly having a first actuator attached to a first valve member for regulating flow from the first outlet, and a second valve assembly having a second actuator attached to a second valve member for regulating flow from the second outlet port. A sensor assembly is configured to detect first and second operations of the first and second valve assemblies. A controller directs independent operations of the first and second actuators based on first and second flow rates derived from the first and second operations. The first and second valve members may be positioned within portions of respective first and second valve bodies in open fluid communication with the first chamber.

A system for dispensing a flowable food product from a reservoir is provided. A wall of the reservoir defines an aperture therethrough allowing the flowable food product to exit the reservoir. The system includes a valve having a base member having a first passageway extending therethrough and a moving member having a second passageway extending therethrough, the moving member configured to slide relative to the base member between a closed position in which the first passageway and the second passageway do not overlap and an open position in which the first passageway and the second passageway overlap. When the moving member is in the open position, an axis extending through the first passageway and the second passageway extends through the aperture in the reservoir.