Abstract: Disclosed is a buried infiltrating irrigation pipe with a multi-cavity water inlet steady flow channel, two clamps and built-in dowels. The buried infiltrating irrigation pipe comprises an internally embedded water dropper and an externally embedded short infiltrating pipe which are located at the same position of a water conveying pipe. The internally embedded water dropper is fixedly arranged in the water conveying pipe and the externally embedded short infiltrating pipe is clamped outside the water conveying pipe. A multi-cavity water inlet steady flow channel is arranged in the internally embedded dropper, a plurality of inner water inlets are formed in one end of the multi-cavity water inlet steady flow channel in parallel, and inner water outlets are formed in the other end of the multi-cavity water inlet steady flow channel.

Abstract: A mobile sprayer apparatus includes a direct current electrical supply, and a supply conduit operative to supply pressurized liquid to a plurality of nozzle assemblies. Each nozzle assembly comprises a channel connecting the supply conduit to a nozzle, a valve operative to selectively open and close the channel, and a solenoid coil operative to selectively move the valve to an open position when a direct current electrical pulse is connected to pass through the solenoid coil in a first direction, and to selectively move the valve to a closed position when a direct current electrical pulse is connected to pass through the solenoid coil in an opposite second direction. A switch selectively delivers a pulse of electrical energy through each solenoid coil in the first direction or through each solenoid coil in the second opposite direction, and no electrical energy is delivered to the solenoid coils between pulses.

Abstract: The present disclosure relates to a method of administering a medication with a dose detection system in combination with a medication delivery device. In one aspect, the system includes a module body adapted to be removably attached to the actuator of a medication delivery device, and a plurality of magnetic sensing elements attached to said module body. The magnetic sensing elements can be spaced apart from one another to define a ring pattern. The system detects the amount of rotation of a magnetic ring of said one or more dipoles of a medication delivery device relative to the magnetic sensing elements during dose delivery when the module is attached to the device.

Abstract: An atomizer device for atomizing a liquid under increased pressure, comprising an atomizer body 14 with one or more atomizing openings from which a mist formed from the liquid escapes during operation. The device comprises a valve device 20, 30 upstream of the atomizer body. The valve device 20, 30 comprises a valve cavity 31 with a valve body 32 and a spring chamber 21 in which spring means 22 are compressible counter to a spring tension. The valve body 24 receives the liquid in valve cavity 31 with a first operative cross-section D1, which first operative cross-section is smaller than a second operative cross-section D2 of spring chamber 21 in which spring means 22 are compressible.

Abstract: A thrust reverser for an aircraft propulsion assembly, this reverser including a mobile annular external structure, a single actuator for controlling the position of this mobile external structure and a device for guiding the mobile external structure when changing its position. The actuator and the guiding device are housed in a fairing of a pylon of the propulsion assembly to a wing or fuselage of the aircraft.

Abstract: An apparatus for volume-controlled portioning of cleaning fluid, having a housing and having a piston unit which is arranged displaceably in the housing and which displaces a cleaning fluid from a chamber into an outflow channel. In order to provide an improved apparatus, which permits exact portioning with reduced temperature dependency and in a cleaning sequence which is as quick as possible. It is proposed that the piston unit includes a piston body and at least one valve device which is arranged on the piston body and which ensures that the chamber is filled with the cleaning fluid during the reverse movement of the piston unit.

Abstract: Embodiments included herein are directed towards a marine seismic streamer. The seismic streamer may include an outer skin formed in a longitudinally extending tubular shape, an inner surface of the outer skin defining an internal volume containing a gel substance. The seismic streamer may also include a plurality of micro-electro-mechanical (“MEMS”) sensors and a plurality of hydrophones associated with the outer skin, wherein the plurality of MEMS sensors are spaced non-uniformly in the seismic streamer along an axial direction of the streamer, such that not more than 100 MEMS sensors are located in the seismic streamer over a continuous 100 meter axial length of seismic streamer. The seismic streamer may further include an electronics system extending axially through an inside portion of the outer skin and a strength member core extending axially through an inside portion of the outer skin.

Abstract: The invention relates to a device for injecting a fluid, in particular a cryogenic fluid, the device comprising a fluid feed head and a fluid dispenser body, detachably mounted on said feed head, said feed head comprising a groove for circulating the fluid fed to said body, said groove being closed when the body is mounted on the feed head and said groove being open when the feed head and the body are detached from one another.

Abstract: A floor nozzle assembly and systems and methods thereof for delivering a fire suppressant foam to a protected area. The nozzle assembly has a body and deflector in contact with one another to form a plurality of passageways through which a fire suppressant flows. The deflector has a deflector flange and a plurality of projecting members in contact with the body to form the passageways. The nozzle assembly has one or more of the following: i) a radial outer portion at each projecting member having a plurality of curved edges with at least two different curvatures; ii) each passageway is formed by parallel planar sidewalls; iii) the projecting members extend radially over a majority radial length of the deflector flange; and/or iv) the deflector flange has, with respect to a horizontal, a surface at an angle that is less than a support surface of the nozzle body.

Abstract: Systems and methods for containing fluid splash include using a fluid flow spaced from a vessel and/or fluid surface to effectively trap materials from a fluid stream flowing through the fluid flow. The fluid flow creates a spray envelope in connection with the fluid surface and/or vessel and substantially prevents droplets of the fluid stream from exiting the vessel. The fluid flow is created by allowing a supply fluid to flow through a nozzle oriented to cast a spray pattern into the vessel and/or into contact with the fluid surface. The fluid flow may be selectively activated and deactivated and/or be automatically (e.g., light or motion) activated and deactivated.

Abstract: A sanitary fixture (1) is provided having a diffuser (3) arranged behind a functional unit (2) and an annular chamber (24) arranged behind the diffuser (3), an area of an opening cross-section of an outlet opening (9) of the diffuser (3) is at most 10% greater than an area of an opening cross-section of an inlet opening (5, 5?) of the diffuser (3) and/or the annular chamber (24) with a contour, which in a longitudinal section of the fixture (1), follows an ellipse (26, 28) having the smallest possible eccentricity.

Abstract: A drug delivery system comprises an indicator element and a sensor system. The indicator element is arranged to rotate relative to a reference component and corresponding to a reference axis and comprises a plurality of dipole magnets. The sensor system comprises a plurality of magnetometers arranged non-rotational relative to the reference component and adapted to determine continuous magnetic field values from the plurality of dipole magnets, as well as processor means configured to determine on the basis of measured values from the plurality of magnetometers a rotational position and/or a rotational movement of the indicator element.

Abstract: The present disclosure relates to a dose detection system for use in combination with a medication delivery device. In one aspect, the system includes a module keyed to the device and including a sensor operable to detect the relative angular position of a sensed element attached to the medication delivery device. The system determines the type of medication contained by the device, and/or the type of device, based on the detected angular position of the sensed element. In another aspect, the dose detection system is used in combination with a medication delivery device including a dose setting member which rotates relative to an actuator during dose delivery. The dose detection system includes a sensor and is operable to detect the relative angular positions of a sensed element attached to the dose setting member during dose delivery and to determine the amount of dose delivered. Related methods are also disclosed.

Abstract: A rotary sprinkler comprises a rotatable irrigation head with one or more nozzles, associated with liquid feed lines, which extend thereto from a sprinkler base housing, and further comprises a static biasing control base located below the irrigation head, e.g. between the sprinkler base housing and the irrigation head. The sprinkler can comprise a flow regulator arm, whose movement, at least indirectly, results in reducing the cross-sectional area of liquid flow towards at least one of the nozzles, and a flow deflector arm configured to interfere with a liquid jet discharged from at least one of the nozzles in order to affect the angle and range of the liquid jet. The static biasing control base can comprise an array of biasing elements, which can bias a cam follower configured to rotate together with the irrigation head and transfer its rotational displacement to the flow regulator arm and flow deflector arm, e.g. through respective gear elements.

Abstract: An emitter includes at least one of: an inlet section including inlet members forming first and second openings having different sizes; a pressure reducing section including a first pressure reducing portion having a first pressure reducing configuration and a second pressure reducing portion having a second pressure reducing configuration being different; the pressure reducing section including at least one nonlinear rail portion; a pressure responsive section including at least one nonlinear rail portion; or a base including a first base portion having a first base configuration and a second base portion having a second base configuration being different, wherein at least one of the first base portion or the second base portion is positioned in one or more of the inlet section, the pressure reducing section, or an outlet section.

Abstract: A fluid dispensing device includes a housing and a reciprocating piston fluid pump coupled to the housing. The reciprocating piston fluid pump includes a piston disposed within a cylinder. The piston is configured to pressurize at least one pumping chamber. A motor is coupled to the housing and connected to the reciprocating piston fluid pump to actuate the piston. A wobble assembly connects the motor to the piston of the reciprocating piston fluid pump. A spray tip connected to an outlet of the at least one pumping chamber.

Abstract: A fluid dispensing device includes a housing and a reciprocating piston fluid pump coupled to the housing. The reciprocating piston fluid pump includes a piston disposed within a cylinder. The piston is configured to pressurize at least one pumping chamber. A motor is coupled to the housing and connected to the reciprocating piston fluid pump to actuate the piston. A wobble assembly connects the motor to the piston of the reciprocating piston fluid pump. A spray tip connected to an outlet of the at least one pumping chamber.

Abstract: The present disclosure relates to a dose detection system in combination with a medication delivery device. In one aspect, the system includes a module body adapted to be removably attached to the actuator of a medication delivery device, and one or more magnetic sensing elements attached to said module body. The system detects the amount of rotation of a magnetic ring of said one or more dipoles of a medication delivery device relative to the magnetic sensing elements during dose delivery when the module is attached to the device.

Abstract: A fuel nozzle includes a main cylinder extending in one direction; an auxiliary cylinder surrounding the main cylinder and defining a fuel passage between the auxiliary cylinder and the main cylinder; a shroud spaced that is apart from the auxiliary cylinder and surrounds the auxiliary cylinder; a swirler vane that is disposed between the auxiliary cylinder and the shroud and defines a fuel cavity communicating with the fuel passage so that fuel flowing in the fuel passage flows into the fuel cavity; and a fuel flow guide disposed inside the fuel cavity to guide fuel that flows from the fuel passage and enters the fuel cavity and to distribute the guided fuel in the fuel cavity. A fuel aperture is formed in the swirler vane to communicate with the fuel passage and the fuel cavity so that the fuel flows into the fuel cavity via the fuel aperture.

Abstract: This emitter is configured from an emitter body, a film, and a cover. The emitter has a water intake part, a discharge part, a first flow path, a second flow path, a flow reduction part, a flow path opening/closing part, a pressure-reducing flow path, and a bypass flow path. If the pressure of an irrigation liquid flowing through a tube is less than a first pressure, the opening of a first water intake through hole of the cover is sealed with the film. If the pressure of the irrigation liquid flowing through the tube is equal to or greater than the first pressure, the film is deformed so that the irrigation liquid is taken into the emitter body through the first water intake through hole, the space between the film and the cover, and a second water intake through hole.

Abstract: An in-line button drip emitter may include a core fitting into a cover. For example, the core may include a cylindrical section with an elliptical cross section. For example the cover may close over a pressure reducing labyrinth formed in the outer cylindrical sides of the core. Optionally the cover has a long axis which is parallel to the long axis of the cross section of the core. In some embodiments, the bonding surface has an arched profile. Optionally, the arched profile fits an inner wall of an irrigation tube. For example, an axis of the arched profile may be parallel to the long axis of the elliptical cross section of the core and/or the arched profile may be parallel to the axis of the cover.

Abstract: A system including: (a) a pipe having an aperture providing fluid communication between inner and outer pipe surfaces; (b) a cylindrical drip emitter disposed within the pipe, including: an emitter body having an outer facing having a generally convex contour adapted in generally complementary fashion to a concave contour of the inner pipe surface, the outer facing secured to the inner surface; a liquid inlet section adapted to receive a liquid from within the pipe, and to deliver the liquid, via the aperture, to the outer facing; a pressure-reducing section disposed in fluid communication with the liquid inlet section; functionally active sections including the pressure-reducing section, the liquid inlet section, the functionally active sections disposed within, and longitudinally defining, a position of a longitudinal segment of the body; and at least one functionally passive section, disposed on the outer facing, within the longitudinal segment; and (c) a liquid flow path fluidly connecting between the liq

Abstract: A membrane for a drip emitter includes at least two first and second regions. The regions are of different thickness.

Abstract: This emitter (120) comprises, downstream of a first pressure reducing flow path, a discharge amount adjustment part and a discharge part. The discharge amount adjustment part communicates with the discharge part via two flow paths: a first hole (173); and a communication flow path including a second hole (174) and a second pressure reducing flow path. An irrigation liquid is supplied directly to the discharge part from the discharge amount adjustment part through the first hole (173) when the external liquid pressure is low, and supplied to the discharge part from the discharge amount adjustment part through the second hole (174) and the second pressure reducing flow path when the external liquid pressure is high.

Abstract: Apparatus for generating a mist comprising a conduit having a mixing chamber and an exit; a transport nozzle in fluid communication with the said conduit, the transport nozzle being adapted to introduce a transport fluid into the mixing chamber; a working nozzle positioned adjacent the transport nozzle intermediate the transport nozzle and the exit, the working nozzle being adapted to introduce a working fluid into the mixing chamber; the transport and working nozzles having an angular orientation and internal geometry such that in use interaction of the transport fluid and working fluid in the mixing chamber causes the working fluid to atomize and form a dispersed vapor/droplet flow regime, which is discharged as a mist from the exit, the mist comprising working fluid droplets having a substantially uniform size.

Abstract: A method for liquid-jet cutting, including a compressor unit (3), which compresses a liquid for producing a liquid jet, and a nozzle (10), which is connected to the compressor unit (3) and which has an outlet opening (11), through which the compressed liquid exits in the form of a liquid jet (14). The one flow of the compressed liquid to the outlet opening (11) is interrupted or enabled by an interrupting unit (8). The following steps are performed: compressing the liquid by the compressor unit (3), moving the outlet opening (11) toward a workpiece (15) to be processed until a processing distance (d) is reached, alternately enabling and interrupting the liquid jet (14) by the interrupting unit (8), wherein simultaneously the nozzle is moved in relation to the workpiece in a processing direction (22) and the pulse duration (tp; tp1; tp2) of the liquid jet is less than 1000 ?s.

Abstract: A gas turbine engine comprising: a bypass duct having a bypass nozzle; an engine core having a core nozzle; and, a mixer duct defined by a mixer fairing and having a mixer nozzle, wherein the mixer duct is arranged to receive an airflow from the bypass duct through a mixer duct inlet and an airflow from the engine core, when in use, and the geometry of the mixer duct is selectively adjustable by moving the mixer fairing relative to the bypass duct and engine core in use.

Abstract: A scale trapping unit includes a casing having a water inlet and a water outlet at respective ends, and a scale adsorbing element loaded in the casing, the scale adsorbing element having opening ports, each of the opening ports having a representative length greater than a length of a scale particle. The casing has a void region at least at the end where the water inlet is located. A scale trapping unit inlet pipe is perpendicularly connected to a central portion of a bottom surface at the end of the casing where the water inlet is located. The scale trapping unit inlet pipe, the void region, and the scale adsorbing element are linearly aligned so that water flows therethrough in a constant direction.

Abstract: The invention relates to a fuel injector (10), particularly a common rail fuel injector, with a valve housing (11) that can be inserted into a receiving opening (106) of a cylinder head (100) in an internal combustion engine and, when in the installed position, has a first valve housing section (12) facing a combustion chamber (101) in the internal combustion engine. The first valve housing section (12) is made of metal and is radially surrounded on the side facing the combustion chamber (101) by a sealing element (20) that can be inserted into the annular space between the first valve housing section (12) and the receiving opening (106) in the region of a first receiving bore section (107).

Abstract: An adjustable nozzle comprising a nozzle body with an inlet, an outlet, and a passageway having a smooth bore extending between the inlet and the outlet. The passageway has an inner dimension transverse to the central axis of the nozzle and a compressible wall wherein the inner dimension is adjustable to adjust the flow rate through the nozzle.

Abstract: An injection valve includes an injector component having an injector body including a recess hydraulically coupled to a high-pressure circuit of a fluid, and a nozzle needle moveably disposed injector body recess for preventing fluid flow through at least one injection opening in a closed position, and otherwise for releasing the fluid flow; an actuator unit disposed in the injector body recess and having an actuator element disposed in an actuator housing including an end face at an axial end facing the injection opening, which end face is mechanically coupled to a stage implemented in the injector body via a ring element disposed axially between the end face and the stage. At least two radial through passages are disposed opposite each other in the ring element, designed for hydraulically coupling between a ring interior disposed within the ring element and a ring exterior disposed outside of the ring element.

Abstract: A self-cleaning nozzle assembly adapted for use in processing pressurized liquids, slurries, etc., which may carry with it particulate matter. A spacing between two nozzle members forms an orifice, and the size of the orifice is adjustable. The nozzle members are spring biased together to reduce the size of the nozzle orifice, but pressurized liquids processed by the nozzle counteract the spring bias force to increase the size of the nozzle orifice. When the force of the spring bias and the force of the pressurized liquid are at equilibrium, the size of the nozzle orifice is maintained. When adjusting the compression force of the spring on the nozzle members, the upstream pressure of the liquid can be adjusted accordingly. In flash evaporation systems, the nozzle can be employed to control the flash point of the liquid by controlling the pressure thereof.

Abstract: The invention refers to a headlamp cleaning device comprising at least one nozzle carrier (7) for mounting on a cleaning liquid supply tube (4a, 4b), the nozzle carrier (7) defining at least one cleaning liquid supply conduit (8) for a pressurized cleaning fluid and being provided with at least one cleaning fluid distribution chamber (13), said chamber communicating with said cleaning liquid supply conduit (8) and with at least one spray nozzle (9) mounted on said nozzle carrier (7), wherein said distribution chamber (13) is provided with at least one inlet port (20) which in a non-pressurized state is closed by a fluid valve and wherein said fluid valve is designed as a springless valve.

Abstract: There is provided a coupling process whereby two components can be coupled together at high positional precision regardless of precision of a single component. A softer component 17 of two components 15, 17 to be coupled together is subjected to shearing by a corner 15c of a harder component 15 while respective parts of the two components 15, 17, positioning of the respective parts being required, are kept as-positioned state with the use of a mandrel 31, and a side face of the corner 15c is fitted to a sheared surface 17c of the softer component 17 during shearing in progress, subsequently coupling the two components 15, 17 together at a fitting surface by plastic coupling, press-fitting, or welding.

Abstract: A cleaning device (1) for a lens (2) of a headlight of a motor vehicle has two telescoping tubes (6, 7), the outer tube (6) holding a spray nozzle (9). The outer tube (6) is also surrounded by a protective tube (8) to be fixed in the motor vehicle. When the outer tube (6) is pulled out (9), the spray nozzle is displaced over the lens (2). The connections of the tubes (6, 7) are reliably protected from dirt accumulation.

Abstract: A flat type pressure regulated drip emitter with a non-drain valve capabilities that is installable inside a water supply conduit during the conduit manufacturing process and characterized by that the emitter's non-drain valve function is executed independently and separately from its pressure regulation function, through a portion of the emitter's elastomer component that is strained and biased against the emitter's water inlet opening and is moveable towards and away from an additional opening (additional to the emitter's water outlet opening), exposed to the pressure prevailing in the emitter's water exit pool and therefore, at any given time, this portion of the elastomer component is exposed to the maximum differential pressure that prevails in the system—on its one side to the water pressure prevailing in the water supply conduit and on its other (second) side—to the approximate atmospheric pressure.

Abstract: A device and method restricting water flow from a bathroom fixture is provided herewith. A preferred embodiment of the improved flow restrictor assembly comprises a metallic fitting or housing that accommodates an interior ring assembly and a flow-restrictor disk. The fitting is substantially tubular with a top section, a bottom section and an intersection. The top section of the fitting is defined by an opening, a hollow interior and a ledge upon which the interior ring assembly and flow-restrictor disk are positioned when the flow restrictor assembly is installed and in use. The bottom section features a pair of gripping planes which can be gripped by a specialized tool for purposes of uninstalling the improved flow restrictor assembly.

Abstract: Described is a non pressure compensated drip emitter with multiflow facility, the drip emitter being placed inside a pipe of a drip irrigation system, the drip emitter comprising: a housing; a filter system being fitted at each inlet to ensure pure supply of water inside the emitter; three pools of water from only one of which water get discharged out of emitter and from emitter to the land to be irrigated, the third pool in the middle; a labyrinth in fluid communication with each pool and the filter system, the labyrinth comprises zigzag water paths; wherein the labyrinth connects middle pool with remaining two pools through the zigzag water path in such a way that even in case of partial clogging of the zigzag water path, the remaining partial zigzag water path remain active and ensure the discharge of water at a selected flow rate from the emitter.

Abstract: Fuel injectors with intensified fuel storage and methods of operating an engine therewith. At least one storage cavity is provided in the intensifier type fuel injector, with a check valve between the intensifier and the needle chamber and storage cavity preventing loss of injection pressure while the intensifier plunger cylinder is refilling with fuel. This provides very efficient injector operation, particularly at low engine loads, by eliminating the wasted energy of compressing, venting and recompressing fuel for injection. Various injector designs and methods of operating the same in an engine are disclosed.

Abstract: An injection device for injecting a medium, including a valve arrangement with a valve member forming a seal at a valve seat, wherein the valve arrangement is arranged in the medium to be injected, an actuator device with an actuator, a plunger and a return element, and a pulse-transmitting device which is arranged between the valve arrangement and the actuator device, which separates the valve arrangement from the actuator device in a fluid-tight manner and which transmits a pulse generated by the actuator device to the medium to be injected in order in that manner to open the valve arrangement and inject medium.

Abstract: Injection nozzles for use in a gas distribution device are disclosed. In one aspect, the injection nozzle may include: a tube having a fluid inlet and a fluid outlet; wherein the inlet comprises a plurality of flow restriction orifices. In another aspect, embodiments disclosed herein relate to an injection nozzle for use in a gas distribution device, the injection nozzle including: a tube having a fluid inlet and a fluid outlet; wherein the fluid inlet comprises an annular orifice surrounding a flow restriction device. Injection nozzles according to embodiments disclosed herein may be disposed in a gas distribution manifold used in a vessel, for example, for conducting polymerization reactions, spent catalyst regeneration, and coal gasification, among others.

Abstract: An expansion nozzle adapted for use in processing high pressure, high temperature liquids. A spring biases a nozzle head into contact with a nozzle seat, but the high pressure liquids processed by the nozzle move the nozzle head away from the nozzle seat to form an orifice therebetween. A motor rotates the nozzle head with respect to the nozzle seat during dynamic operation to grind particles lodged in the orifice. A threaded nut and a catch mechanism are effective to adjust the spring tension and thus the force of the upstream pressurized liquid needed to operate the nozzle. The nozzle can process liquids having gasses, slurries and high concentrations of particulate matter.

Abstract: A spray nozzle assembly includes a pressure dependent variable spray orifice and an internal chamber which is at least partially bound by a flexibly deformable sidewall. At its distal end, the sidewall terminates at a distal face defining the spray orifice extending therethrough. A metering member extends distally from the internal chamber and through at least a portion of the spray orifice. As the pressure of a liquid supplied to the internal chamber by a liquid supply pathway varies, the flexibly deformable sidewall expands or contracts in response thereto. As the sidewall expands and contracts, the distal face moves relative to the metering member to change the effective size of the spray orifice.

Abstract: An inlet check valve assembly with flame arresting feature. An internal flame arresting feature utilizes a flame arrester body attached to a valve member which protrudes into the valve throat. An external flame arresting feature utilizes a hood concentrically disposed relative to the valve member. The flame arresting feature is configured relative to movement of the valve member with respect to the throat such that fluidic communication between the fuel fill pipe and the fuel tank is limited to less than the minimum flame propagation distance of the fuel and air mixture in which a combustible mixture may exist in the fuel fill pipe, whereby any flame front in the fuel fill pipe will quench thereat before reaching the fuel tank.

Abstract: A device and method restricting water flow from a bathroom fixture is provided herewith. A preferred embodiment of the improved flow restrictor assembly comprises a metallic fitting or housing that accommodates an interior ring assembly and a flow-restrictor disk. The fitting is substantially tubular with a top section, a bottom section and an intersection. The top section of the fitting is defined by an opening, a hollow interior and a ledge upon which the interior ring assembly and flow-restrictor disk are positioned when the flow restrictor assembly is installed and in use. The bottom section features a pair of gripping planes which can be gripped by a specialized tool for purposes of uninstalling the improved flow restrictor assembly.

Abstract: This invention relates to a pressure compensator for use with an irrigation device, the pressure compensator comprising: a body defining a fluid passageway for fluid flow; an elastomeric membrane; a substantially concave seating surface substantially covered by the membrane, said seating surface having a peripheral edge against which said membrane locates, wherein the seating surface and the elastomeric membrane seated thereby are positioned in the fluid flow so as to be either parallel with or inclined at an angle relative to the fluid flow. An irrigation device incorporating the pressure compensator is also disclosed.

Abstract: A drip irrigation emitter includes a disc shaped body having a pressure reducing labyrinth between a water inlet area and an outlet hole, and a pressure regulating diaphragm changing flow through the outlet hole in response to water pressure fluctuations in the water conduit where the emitter is mounted. The water filtering inlet of the emitter is located entirely at the sides of the disc shaped body.

Abstract: A drip irrigation emitter has first and second inlets through which liquid enters the emitter from an irrigation pipe, an outlet through which liquid exits the emitter, and a first flexible diaphragm portion seated on the second inlet and serving as a valve. Liquid at a pressure in the pipe that is below a predetermined level enters the emitter via the first inlet and travels along a first flow restricting path before exiting via the outlet and liquid at a pressure in the pipe that is above the predetermined level biases the first flexible diaphragm portion so that liquid can enter the emitter via the second inlet and travels along a second flow restricting path before exiting via the outlet.

Abstract: A system and method for installing and removing a flow restrictor assembly in a shower, while prevents tampering with the flow restriction system thus installed. Tampering is prevented by concealing the flow restrictor assembly behind a shower wall, attached directly to a water supply line. The system further prevents tampering by concealing the tool-hole necessary for its removal behind a flow restrictor disk, so that there are no visible means of removing the flow restrictor assembly. The flow restrictor assembly threads onto a showerhead arm and the flow restrictor assembly with the attached showerhead arm threads directly into the water line. When the showerhead arm is unthreaded, the flow restrictor assembly remains connected to the water line by an external screw thread. The flow restrictor must be removed to reveal the tool-hole which may only then be engaged by a tool for removal.

Abstract: A device includes an injector for a liquid having at least one pressure sensor, preferably an integrated pressure sensor. The device is used, in particular, for adding liquid reducing agent to an exhaust gas line of a motor vehicle. A configuration having the device and methods of using the device and the configuration are also provided.