According to one embodiment, a system and process for the equalization of pressures of a flow stream across one or more valves is provided. A process circuit having clean non-abrasive fluid and at least one slave cylinder fbr transmitting pressure to a process flow stream is employed.

The invention relates to energy saving in vacuum systems by means of a method and a controller enabling to consider the fluctuation in system-pressure of a system by determining a maximum system-pressure S2H and a minimum system-pressure S2h for each working cycle W.sub.C based on a determined target system-pressure p.sub.n.sup.− and a pre-set system-pressure p.sub.0.sup.− for the current working cycle W.sub.Cn (n=1, 2, 3, . . . ). The method is especially adapted to fluctuations in system-pressure level of a vacuum system comprising a vacuum gripper tool.

An automatic engine driven pump (EDP) depressurization system for an aircraft is disclosed. The aircraft includes at least two EDPs driven by a main engine for converting mechanical power provided by the main engine into hydraulic power for distribution by a hydraulic system. The EDP depressurization system includes a depressurization device corresponding to each of the at least two EDPs and a control module. The depressurization devices are each energized to depressurize a respective EDP. The control module is in signal communication with each of the depressurization devices. The control module includes control logic for automatically generating a depressurization signal that energizes one of the depressurization devices based on a plurality of operational conditions of the aircraft.

A sprayer for spraying fluid includes a pump, a motor that drives the pump, a drive cycle indicator, a wireless module configured to send and receive information, and control circuitry. The drive cycle indicator outputs an indication of cycle status of the pump. The control circuitry is configured to receive the plurality of cycle status indications of the pump, determine a plurality of output values representing paint spray fluid output volume over a plurality of time windows based on the plurality of cycle status indications of the pump, store the plurality of output values in memory, and cause the wireless module to transmit one or more of the stored plurality of output values externally from the sprayer.

Flow regulation device having a rigid external envelope surrounding an internal tube and defining, with same, an annular chamber. The device has ends which allow for sealed connection thereof to a fluid line to be regulated, such that the internal tube is connected in series to said line. The chamber has a device for introducing a pressurized regulation fluid therein, the internal tube being configured to dilate under the pressure of the fluid to be regulated when the pressure of the fluid to be regulated exceeds the pressure of the regulating fluid. The device has a detector of the dilation of the internal tube, and a connection device from the detector to a control unit of a source connected to the line. Fluid distribution line and apparatus having such a device.

In some examples, a wireless controller is utilized within a wireless mesh network. The wireless controller includes a control module configured to manage at least one energy device via a pneumatic pressure line based on one or more parts of an energy profile; and a network interface module configured to transmit energy data to a management server and receive the one or more parts of the energy profile from the management server.

In one embodiment, a remote monitoring system for a fluid applicator system is disclosed. The fluid applicator system is disposed to heat and pump spray fluid, and to transmit reports including sensed temperatures, pressures, and other operational parameters of the fluid applicator system via a wireless network. The remote monitoring system comprises a data storage server, and an end user interface. The data storage server is configured to receive and archive the reports. The end user interface is configured to provide a graphical user interface based on the reports. The graphical user interface illustrates a status of the fluid handling system, sensed and commanded temperatures of the fluid handling system, sensed and commanded pressures of the fluid handling system, and usage statistics of the fluid handling system.

According to one embodiment, a system and process for the equalization of pressures of a flow stream across one or more valves is provided. A process circuit having clean non-abrasive fluid and at least one slave cylinder for transmitting pressure to a process flow stream is employed.

Various embodiments concern a sprayer having a blower that outputs a HVLP flow of air into a hose, the hose connecting with a spray gun. A pressure sensor measures pressure of the HVLP air within the hose via a tube that branches from a fitting to which the hose connects. If the sensor indicates that the pressure level has increased above a threshold amount, indicating that the trigger of the spray gun is not being actuated, then power output to the blower is reduced (e.g., stopped). HVLP air is trapped within the hose by two valves when the trigger is not actuated. When the sensor indicates that the pressure level has decreased, corresponding to release of the trapped HVLP air into the gun for spraying by actuation of the trigger, power to the blower is increased (e.g., resumed).

A fluid device with a fluid chamber, the fluid device including a fluid chamber which is designed for receiving a fluid and which is commonly delimited by a device housing and a bending-elastic membrane element. The membrane element is fixed with a peripheral edge region to the device housing, wherein a membrane working section of the membrane element which is framed by the peripheral edge region can be deflected by a piezoactuator whilst carrying out a stroke movement, in order to change the volume of the fluid chamber. The membrane element is a functional constituent of the piezoactuator by way of it directly forming an electrically conductive electrode of the electrode arrangement of the piezoactuator.