Abstract: An assembly is provided that comprises: at least one valve cassette block (20) comprising a plurality of valves (25) which are controllable via a control surface (24) of the valve cassette block (20); a valve control block (10) having an operation surface (11), the valve control block (10) being configured to control each of the plurality of valves (25) when the operation surface (11) is in contact with the control surface (24) of the at least one valve cassette block (20), the valve control block (10) comprising at least one sliding trench (14) formed in the operation surface (11); at least one sliding component (30) configured to slidably interlock with the at least one sliding trench (14) such that the at least one sliding component (30) is movable relative to the valve control block (10) in a sliding direction parallel to the operation surface (11), at least one pulling bracket (40, 50) configured to embrace the at least one valve cassette block (20) and to interact with the at least one sliding compon

Abstract: A solenoid valve manifold 10 has: a wiring block 26 including a connector; a pedestal block 27 disposed on a solenoid valve aggregate; a support pin 32 that is provided to a support wall 31 provided to the pedestal block 27; a support hole 33 rotatably supports the wiring block 26; operation parts 43 that are provided at tip parts of leg portions 42 provided to end wall portions 34 of both ends of the wiring block; an engaging convex part 44 provided on each operation part 43; an engaging concave part 45 provided to the pedestal block 27 and engaged with the engaging convex part 44 when a connector 25 is held at an upright position; and an engaging concave part 46 engaged with the engaging convex part 44 when the connector 25 is held at a lateral position.

Abstract: In one embodiment, the disclosed apparatus is at least one gas-primitive substrate for use in a gas-delivery box. Each of the at least one gas-primitive substrates has at least one location on which a gas-delivery component is to be mounted. The at least one location has at least a gas-delivery component inlet port and a gas-delivery component outlet port formed within a body of the gas-primitive substrate. At least one first pair of bore holes comprising a gas-flow path is formed on an upstream side and a downstream side, respectively, of the location of the gas-delivery component. Other apparatuses and systems are disclosed.

Abstract: This disclosure sets out an apparatus for handling fluid, such as coolant, for a vehicle that is at least partially powered by electricity. The apparatus includes a substantially plate-shaped base element defining a base plane separating a first subspace from a second subspace. At least a first fluid flow channel section is also present and is largely located in the first subspace. At least one second fluid flow channel section is also present and is largely located in the second subspace. The base element includes at least one first flow-through opening fluidly connecting the first fluid flow channel section and the second fluid flow channel section. A method of manufacturing the apparatus is also disclosed. The method includes the steps of providing the base element with at least a first fluid flow channel section and a first flow-through opening.

Abstract: A valve unit has a main valve and a pilot valve device which is applied thereto, wherein the pilot valve device includes a first pilot valve which is arranged in a valve longitudinal direction between the main valve and a second pilot valve. The main valve can be actuated by way of a pilot fluid through a first pilot working channel which is connected to the first pilot valve and through a second pilot working channel which is connected to the second pilot valve. The second pilot working channel passes through a first pilot valve housing of the first pilot valve, wherein it has a receiving space channel section which passes through an actuation member receiving space of a hand actuation device which is formed in the first pilot valve housing and in which a manually actuatable hand actuation member is arranged. In this manner the valve unit can be realised with a low construction width.

Abstract: A control device switches a shift range by driving a motor and moving a detent roller in a parking lock system including an electric actuator having the motor and a detent mechanism. A control unit of the control device includes a drive control part, a position determination part and a range determination part. The drive control part controls driving of the motor. When the detent roller is moved to a target valley portion corresponding to the target range, a position determination part determines that the detent roller has passed over a peak portion based on sensor information. The range determination part is configured to estimate that the detent roller has reached the range of the target range corresponding to the target range at a peak passing over determination timing when it is determined that the detent roller has passed over the peak portion.

Abstract: A fluid control device includes; upstream side and downstream side joint blocks defining a fluid flow path, and having engaging portions at a bottom surface side; a support member having a guide portion to which the engaging portions of the upstream side and downstream side joint blocks can be engaged; and a fluid device supported by the support member via the upstream side and the downstream side joint blocks; wherein the upstream side and the downstream side joint blocks are fixed to the guide portion by utilizing a reaction force against a bending force generated by the tightening force of fastening bolts to the upstream side and the downstream side joint blocks and the fluid device connected together, and the length of the engaging portions in the longitudinal direction of the joint blocks is formed shorter than the length of the joint blocks.

Abstract: A hazardous gas monitoring system is provided. The hazardous gas monitoring system includes a panel including multiple sensing lines. Each sensing line is configured to receive and monitor an air sample. Each sensing line includes a water separator to remove condensed moisture, a coalescing filter disposed downstream of the water separator, and a flow and gas monitoring system disposed downstream of the coalescing filter. The hazardous gas monitoring system may be used to monitor the presence of hazardous gases within an enclosure, such as an enclosure for a turbomachine.

Abstract: Various embodiments include an apparatus to supply gases to a tool. In various examples, the apparatus includes a point-of-use (POU) valve manifold that includes a manifold body to couple to a chamber of the tool. The manifold body has multiple gas outlet ports. A purge-gas outlet port of the manifold body is directed substantially toward the outlet ports. For each of multiple gases to be input to the POU-valve manifold, the POU-valve manifold further includes: a first valve coupled to the manifold body and a divert valve coupled to the first valve. The first valve can be coupled to a gas supply and has a separate gas flow path internal to the manifold body and separate from remaining ones of the gas flow paths. The divert valve diverts the gas during a period when the precursor gas is not to be directed into the chamber by the first valve. Other examples are disclosed.

Abstract: A switching valve includes a base having a bottom wall. The switching valve includes a body that couples to the base to define a cavity between the body and the bottom wall. The body includes through holes that are each fluidly coupled to the cavity. The switching valve includes a driven slider set disposed within the cavity and having sub-sliders evenly distributed about the base. The switching valve includes driving rods each movably coupled to one of the through holes of the body. Each driving rod moves in a linear direction relative to the through holes to block or unblock each through hole. Each sub-slider slides in a linear direction responsive to movement of the driving rods. Only one through hole is unblocked at one time.

Abstract: Provided is a fluid actuator capable of safely driving a drive target. An air actuator using air as a working fluid includes an X-axis pressure sensor that measures air pressures PX+ and PX? along one drive axis, which drives a drive target in an X direction, a Y-axis pressure sensor that measures air pressures PY1+, PY1?, PY2+, and PY2? along two drive axes, which drive the drive target in a Y direction, and an acceleration detection unit that detects translational acceleration and rotational acceleration generated in the drive target on the basis of the measured air pressures PX+, PX?, PY1+, PY1?, PY2+, and PY2?.

Abstract: A fluidic cartridge comprises a fluidic disk having a plurality of alignment openings; a fluidic chip comprising a body, one or more channels formed in the body in fluidic communications with input ports and output ports for transferring one or more fluids between the input ports and the output ports, and a plurality of protrusions formed on the body and received in the alignment openings of the fluidic disk for aligning the fluidic chip to the fluidic disk; an actuator operably engaging with the one or more channels for selectively and individually transferring the one or more fluids through the one or more channels from at least one of the input ports to at least one of the output ports at desired flow rates; and a tube member defining a cylindrical housing for accommodating the fluidic disk, the fluidic chip and the actuator therein.

Abstract: A passive microfluidic valve includes a first manifold portion having a first chamber; a first inlet fluidly coupled to the first chamber; and a second inlet. The valve also includes a second manifold portion in fluid communication with the first chamber via a channel. The second manifold portion includes a second chamber fluidly coupled to the first chamber and the second inlet. The valve further includes a flexible membrane disposed between the first manifold portion and the second manifold portion and separating the first chamber and the second chamber, the flexible membrane configured to modulate a flow rate of a media flowing between the first inlet and the second inlet in either direction in response to pressure of the media flow.

Abstract: An encapsulated valve system includes a first housing portion having a first facing surface, the first facing surface comprising a plurality of branch pathways formed as a recess within the first facing surface. The valve system further includes a second housing portion having a second facing surface, the second facing surface comprising a plurality of branch pathways formed as a recess within the second facing surface. A disposable conduit is configured to be interposed between the first and second housing portions and disposed within the recess of the first facing surface and the recess of the second facing surface. The disposable conduit is thus sandwiched between the first and second facing surfaces. A plurality of pinch valve actuators are mounted on one or both of the first housing portion and the second housing portion, the plurality of pinch valve actuators configured to pinch the disposable conduit at selective branch pathways.

Abstract: Apparatuses for controlling fluid flow are important components for delivering process fluids for semiconductor fabrication. These apparatuses for controlling fluid flow require a variety of fluid flow components which are tightly packaged within the apparatuses for controlling flow. Servicing the apparatuses requires specialized equipment and methods which enable installation of seals in close quarters in apparatuses which are installed in the field. Seal retainers may be used to retain the seals during assembly of fluid flow components into apparatus for controlling flow.

Abstract: A brake system to couple between brakes and actuators provides a modular format that allows a plurality of braking modules to be coupled together at interfaces and coupled to other modules to handle a variety of different braking scenarios. Each braking module includes a housing forming a manifold for the delivery of fluid to the interfaces of the modules for exchange between the modules. The braking modules include a hydraulic valve coupled with a pressurized fluid source for delivering fluid to implement a braking function. The modules also include an electro-hydraulic valve configured for receiving electrical input signals and configured for delivering fluid from the pressurized fluid source to the hydraulic valve at an actuation pressure that is proportional to the system pressure based on the levels of the received electrical input signals.

Abstract: A waterproof cover includes an operation unit for pressing a manual button of a solenoid valve main body. The operation unit includes a flexible cap, a pin guide interposed between the cap and the solenoid valve main body, and an operation pin that is inserted in guide hole of the pin guide so as to be displaced freely. The cap includes a flexible pressing portion for a pressing operation. One end of the operation pin is in contact with or close to the pressing portion, and the other end of the operation pin is in contact with the manual button.

Abstract: A fluid control apparatus includes: a metal plate; a heater configured to heat the metal plate; a first joint block and a second joint block provided on an installation surface of the metal plate, extending in a predetermined direction, and formed with a flow passage therein; a first pipe extending along the predetermined direction between the first joint block and the second joint block; a heat transfer cover provided on the installation surface of the metal plate; and a first fluid control device mounted to the first joint block and the second joint block so as to straddle over the first pipe. The heat transfer cover has a rectangular cross-sectional shape, extends along the predetermined direction, and includes a first cover member and a second cover member mounted around an outer circumference of the first pipe in contact with each other. The first cover member covers a part in a cross section of the first pipe and has a first abutment surface abutting on the installation surface of the metal plate.

Abstract: A waste sorting robot can include a manipulator comprising a suction gripper for interacting with one or more waste objects to be sorted within a working area, and wherein the manipulator is moveable within the working area. There is a controller configured to send control instructions to the manipulator. At least one pressure sensor is in fluid communication with the suction gripper and configured to generate a pressure signal in dependence on a fluid pressure in the suction gripper. The controller is configured to receive the pressure signal and to determine manipulator instructions in dependence on the pressure signal.

Abstract: A modular valve assembly is formed from multiple modular valves having a valve base and a valve actuator. Each base includes at least a first channel and a second channel and an internal passage forming an opening in the first channel so as to be in selective fluid communication with an exterior port of the valve base, and with the second channel being a through passage that is not in fluid communication with the internal passage. Adjacent valve bases are interconnectable in one of two orientations either with the first and second channels of one valve base being aligned with the first and second channels, respectively, of an adjacent valve base, or with the first and second channels of one valve base being aligned with the second and first channels, respectively, of an adjacent valve base. The valve bases may be provided with third and fourth channels for three-way operability.

Abstract: A switching valve includes a valve body, a diaphragm, and a driving assembly. The valve body includes a valve cavity, a water inlet, a first water outlet, and a second water outlet in communication with the valve cavity. The diaphragm includes two unsealing parts connected with the driving assembly and respectively arranged opposite to the first water outlet and the second water outlet. Each unsealing part can control opening or closing of the first water outlet or the second water outlet. The driving assembly can individually drive each of the unsealing parts to switch between opening and closing such that at least one of the first water outlet and the second water outlet is in an open state.

Abstract: A housing block includes channels formed in an interior of the housing block with at least one of the channels having a slot or flat-channel geometry at least in portions. A method is disclosed for producing the housing block. A sand core is disclosed to be used with the method for producing the housing block.

Abstract: Hydraulic control comprising at least one hydraulic valve, each hydraulic valve comprising a hydraulic distributor and an electric actuator. The hydraulic distributor comprises a valve slide mounted with the ability to slide in a body comprising hydraulic ports. The electric actuator is fixed to the body of the hydraulic distributor and comprises an electric motor, an electronic circuit comprising a circuit board, a linear-displacement output member coupled to the control slide, reduction gearing comprising gear wheels coupling the motor to the output member, and a housing in which the electric motor, the electronic circuit and the reduction gearing are mounted.

Abstract: A fluid distribution system includes a mass flow controller and a first manifold assembly. The mass flow controller includes first and second end ports each extending from a lower end of the mass flow controller, proximate corresponding first and second sides of the mass flow controller, for lateral flow through the mass flow controller from the first end port to the second end port. The first manifold assembly includes a first end connection coupled to the first end port of the mass flow controller. The first manifold assembly includes a first manifold body extending parallel to the first side of the mass flow controller, and a plurality of first valve subassemblies retained in the first manifold body and arranged across a plane extending substantially parallel to the first side of the mass flow controller, with valve movement perpendicular to the first side of the mass flow controller.

Abstract: A system for managing flexible conduit or tubing used in pharmaceutical, bioprocess, or food/dairy applications includes a segment of flexible conduit or tubing and a plurality of conduit tracks, each conduit track including a conduit channel disposed on a first side thereof and extending along the length of each respective conduit track and dimensioned to receive the segment of flexible conduit or tubing therein, each conduit track further including a connector channel disposed on a second, opposing side and extending along the length of each respective conduit track and containing the one or more connectors that connect adjacent conduit tracks. The conduit tracks can be connected to each other or other process components.

Abstract: An air suspension system, comprising a manifold, defining a first and second port, each port defining a receiving region at the second end, wherein the first and second ports are arranged in a common plane, a channel intersecting the first and second port, a cavity intersecting each port, and a pressure sensor port, positioned between the first and second port, defining a sensor insertion axis normal to the common plane, the pressure sensor port separated from the first port, the second port, and the channel by a thickness; a first and second solenoid valve, each solenoid valve arranged within the cavity and coaxially arranged with the first and second ports, each solenoid valve comprising a connector; a pressure sensor arranged within the pressure sensor port, the pressure sensor comprising a connector; and an electronics module arranged parallel the common plane, the electronics module configured to electrically couple to the connectors.

Abstract: An electrically actuated valve with a hydraulic unit includes a valve housing and at least one electric actuator. Electronics are fastened to the hydraulic unit and at the same time are precisely positioned so that a seal between the electronics and the actuator does not shift or fold over on itself. To this end, a positioning device is formed between the electronics and the hydraulic unit.

Abstract: Actuation systems and methods are disclosed. An apparatus includes a system including a flow cell receptacle and a valve drive assembly including a shape memory alloy actuator including a pair of shape memory alloy wires and a flow cell disposable within the flow cell receptacle and having a membrane valve. The system actuates the membrane valve, via the shape memory alloy actuator, by causing a voltage to be applied to a first one of the shape memory alloy wires and the system not applying the voltage to a second one of the shape memory alloy wires.

Abstract: A fluid control apparatus includes a block elongated in a longitudinal direction and having a predetermined width, an internal flow channel formed inside the block so as to extend in the longitudinal direction, a first control valve mounted on the block, a second control valve mounted on the block at a position downstream of the first control valve. In the fluid control apparatus, the internal flow channel has a first outflow channel connected to a first outlet of the first control valve through which a fluid flows out thereof and also has a second inflow channel connected to a second inlet of the second control valve through which the fluid flows thereinto. In addition, the first outflow channel and the second inflow channel are disposed so as to overlap each other at one point as viewed in the width direction through the block.

Abstract: The invention has a purpose of obtaining a brake hydraulic pressure controller capable of securing durability with a simple configuration and a motorcycle brake system. The brake hydraulic pressure controller is a hydraulic pressure controller for a vehicle brake system and includes: a base body that is formed with a channel filled with a brake fluid therein; a hydraulic pressure regulation valve that has a plunger and opens/closes the channel by translatory movement of said plunger; a drive coil that has a hollow section, is vertically provided in the base body in a state where one end of the plunger is inserted in said hollow section, and causes the translatory movement of the plunger to drive the hydraulic pressure regulation valve; and a coil casing that accommodates the drive coil. The coil casing includes a wall that covers at least a part of an apex of the vertically-provided drive coil, and the drive coil is pressed toward the base body by a projection formed in the wall.

Abstract: A centerbody assembly for a valve includes: a centerbody having a process surface, at least one inlet orifice disposed in the centerbody and adapted to be disposed in fluid communication with a fluid at a process pressure, and at least one outlet orifice disposed in the centerbody separate from the at least one inlet orifice; an inlet port disposed in fluid communication with the at least one inlet orifice; an outlet port disposed in fluid communication with the at least one outlet orifice; and a flexible control diaphragm facing the process surface, wherein a perimeter of the control diaphragm is bonded to the centerbody so as to define a seal that blocks the passage of fluid.

Abstract: A manifold includes multiple first valve mount portions, on each of which three electromagnetic valves are arranged side by side, or a plurality of second valve mount portions, on each of which two electromagnetic valves are arranged side by side, or includes at least one of the first valve mount portions and at least one of the second valve mount portions. Waterproof covers are attached to the valve mount portions of the manifold to each cover the three or two electromagnetic valves mounted on the valve mount portion. Thus, a waterproof manifold electromagnetic valve is formed.

Abstract: It is to provide a control valve that can make the valve body smaller and the structure simplified and the hydraulic pressure system equipped therewith. The plural number of parallel feeder oil paths that are respectively connected to the plural number of pumps and are not cut off by displacement of spools is provided in the valve body in a linearly through all spool holes. For each section, a connection oil path is provided to connect any one side of parallel feeder oil paths to the bridge circuit B of the internal spools. Parallel feeder oil paths can be positioned in a simple shape, but also, just by properly providing connection oil paths, without depending on each section belonging to any of pump systems, positioning of section can be freely done within the valve body. Making the valve body smaller and the structure simplification can be executed.

Abstract: A fluid control device includes a first block row and a second block row each including a plurality of joint blocks having a width of the standard size and arranged along a first directions, the first block row and the second block row being arranged at predetermined intervals in the second directions perpendicular to the first directions, wherein each of the plurality of joint blocks constituting the first block row has a large diameter flow path for forming a single line, and each of the plurality of joint blocks constituting the second block row has a smaller diameter flow path than the large diameter flow path for forming the first line and the second line.

Abstract: A valve assembly for use in an actuation assembly, with the actuation assembly including an actuation housing, includes a valve support adapted to be coupled to the actuation housing. The valve support has a body portion defining a plurality of solenoid bores. The valve assembly also includes a plurality of solenoids with each one of the plurality of solenoids disposed within a corresponding one of the plurality of solenoid bores and directly mounted to the valve support for controlling a flow of fluid. The valve assembly further includes an electrical power distribution device at least partially coupled to the valve support and connected to each of the plurality of solenoids. The valve assembly also includes a tray coupled to the body portion of the valve support to support a portion of the electrical power distribution device.

Abstract: A solenoid valve includes a valve body having a valve cavity, a first delivery tube having a first tube cavity, a second delivery tube having a second tube cavity, and an electromagnetic member connected to the valve body. The first delivery tube is connected to the valve body at one end and the first tube cavity is in communication with the valve cavity. The second delivery tube is connected to the valve body at one end and the second tube cavity is in communication with the valve cavity. At least one of the first delivery tube and the second delivery tube is a bent tube. The electromagnetic member is configured to control communication and disconnection of the first delivery tube and/or the second delivery tube with the valve cavity.

Abstract: This specimen treatment chip includes: a first fluid module having a first flow channel for performing a first treatment step on an object component in a specimen; a second fluid module having a second flow channel for performing a second treatment step on the object component subjected to the first treatment step; a substrate; and a connection flow channel for connecting the first fluid module and the second fluid module disposed on the substrate.

Abstract: In a method for regulating at least two fluids, a fluid feed flow Q is divided into n parts, the sum of the n parts being equal to Q, each of the n parts is sent to one of n processing units, each of the n processing units produces at least one processed flow, at least one processed flow of a first of the processing units is regulated by control means in order to keep the flow thereof constant at a value Q1 in nominal operation, at least one processed flow of a second of the processing units is regulated by control means in order to keep the pressure thereof constant in nominal operation and, in the event of a reduction of the feed flow Q, in reduced feed operation, if, preferably only if, the flow of the flow processed in the second processing unit of step v) drops and thus reaches a first minimum flow threshold, a processed flow in the first processing unit is regulated such that the processed flow having a value Q1 in nominal operation is reduced to a value less than Q1.

Abstract: A solenoid valve island having a base body that includes a housing for a respective solenoid valve, a main feeding duct that is in fluid communication with the housing to supply compressed air entering the solenoid valve and that is provided with an inlet mouth for connection with a source of compressed air, a main collection duct in fluid communication with the housing to collect air leaving the solenoid valve and a discharge mouth for discharging the collected air, a hollow seat in which an electric or electronic supply and control circuit of the solenoid valve is housed and includes an opening at each housing for the electric connection, through it, of the respective solenoid valve with the electric or electronic supply and control circuit, where the electric or electronic supply and control circuit has a male or female type power supply and signal transmitting connector that is partially housed in the hollow seat of the base body and that can be coupled with a corresponding end connector of a cable for th

Abstract: A rotatable water-cooling tube and an electronic device with the water-cooling tube are provided. The water-cooling tube includes a first tube body, a second tube body, a third tube body, a first connector and a second connector. The first tube body is in communication with the second tube body and the third tube body through the first connector and the second connector. The first tube body is rotatable with the first connector and the second connector. Consequently, the first tube body can be freely rotated to a proper position. The technology of the present invention is helpful to assemble and disassemble the heat generation component under the rotatable water-cooling tube.

Abstract: A liquid transfer module is applied to a liquid cooling system. The liquid transfer module includes a first flow guide body and a second flow guide body removably connected with a liquid reservoir tank and a pump unit. The first and second flow guide bodies are formed with multiple internal flow passages. Some of the flow passages communicate with each other via a check valve and some other flow passages communicate with each other via an opening. The liquid transfer module serves to transfer and guide a working liquid to flow through the liquid reservoir tank and the pump unit.

Abstract: This disclosure relates to methods and apparatuses for production of a workpiece. A first workpiece part is cut free from a first plate-shaped material by a separating cut made via the punch-handling tool. The first workpiece part is held in at least one of a clamped manner and tensioned manner via at least one of an upper tool and a lower tool of a punch-handling tool while being cut free. The workpiece part is aligned with the first plate-shaped material, a further plate-shaped material that differs from a material of the first workpiece part, and a second workpiece part and the aligned pieces are clinching with a clinch tool to connect the pieces at a connection point that is free from a filler material.

Abstract: A hydraulic valve body, comprising two main lines for bringing pressurized hydraulic fluid into the body's channel system and further out of the channel system. The body further comprises at least two outlet fittings for conducting hydraulic fluid from the body's channel system to actuators and two respective inlet fittings for conducting hydraulic fluid from the actuators back into the channel system.

Abstract: A manipulator for concrete pumps having an articulated boom with at least two boom arms and a hydraulic drive that pivots one or more of the boom arms. A hydraulic cylinder has piston and rod side working volumes. A hydraulic circuit has a first switching state in which the hydraulic circuit connects a first working port for feed or discharge of hydraulic fluid to the rod-side working volume and connects a second working port for feed or discharge of hydraulic fluid to the piston-side working volume. In a second switching state, the hydraulic circuit separates the first working port from the first fluid channel and thereby connects the first fluid channel to the second fluid channel for the feed of hydraulic fluid from the rod-side to the piston side working volume. A sensor acquires an operating state variable based upon which an activation assembly sets the switching state.

Abstract: To provide a flow dividing system that has an improved degree of freedom in arrangement, is suitable for integration, and achieves reductions in the manufacturing costs and maintenance costs. A flow dividing system for controlling, upon dividing a single flow rate into multiple flow rates, the respective flow rates such that the ratio between the divided flow rates matches a preset flow rate ratio. The flow dividing system has: a manifold 500 for dividing the single flow rate into the multiple flow rates; and multiple fluid control devices 1M, 1S that are formed as separate bodies from the manifold 500, are disposed separately from and independently of each other, and respectively control the multiple flow rates.

Abstract: An electrostatic deflection inkjet printer has a main printer body separated by a vapor barrier into an electrical region and a fluid region. Electrically operated valves are provided in the fluid region. Control circuitry for deciding when to operate the valves is provided in the electrical region. Valve drive circuitry, for generating drive currents for the valves, is provided in the fluid region and is in data communication with the control circuitry via wiring, which may be a serial bus, that passes through the vapor barrier. This reduces the number of electrical connections that need to pass through the vapor barrier. A circuit carrier for the valve drive circuitry may be mounted on a valve block for the valves, and an electrically insulating material may cover the circuit carrier. The electrically insulating material may extend partially or wholly around the valve block.

Abstract: In one respect, the invention is an improved valve block design having minimal or no deadlegs that improves the efficiency of a system purge process. In another respect, the invention is a system incorporating said improved valve block design.

Abstract: A paint sprayer includes an end bell, a motor connected to the end bell, a pump drive connected to the end bell, a pair of protrusions attached to an extending from the end bell such that each protrusion is cantilevered from the end bell, and a pump assembly comprising a pair of mounting holes and containing a piston. The pair of mounting holes is adapted to receive and slide onto the pair of protrusions to mount the pump assembly on the end bell as well as slide off of the pair of protrusions to remove the pump assembly from the end bell. The pump drive is configured to covert rotational motion output by the motor to reciprocal motion. The pump assembly is configured to pump paint when reciprocated by the pump drive while mounted on the end bell.

Abstract: Apparatus and method provide a solenoid coil having a field-replaceable status indicator light, such as an LED. The status indicator light lights up when power is supplied to the solenoid coil to indicate the coil is energized and turns off when the coil is no longer energized. This allows technicians and other personnel working in hazardous environments to easily and reliably monitor the operational status of the solenoid coil. An electrical splitter adapter splits power between the solenoid coil and the status indicator light. The splitter adapter allows the status indicator light to be removed without interrupting power to the solenoid coil. Where the power is AC power, a rectifier may be provided on the splitter adapter to convert the AC power to DC power.

Abstract: A modular electrical bus system for a valve manifold has a main communication module with a plurality of modular I/O units each having a plurality of I/O fittings being both electrically and mechanically connectable together via a bridge member connecting adjacent units and the main communication module. At least one of the modular I/O units is also mechanically separable from and maintains communication connection to the main communication module. One or both of the modular IO I/O units and main communication module may have an alpha-numeric display.