A multi-cone, multi-stage spray nozzle includes a nozzle body, a valve stem with a first valve head, and a second valve head attached to the first valve head. The first valve stem is biased into a closed position against a valve seat of the nozzle body by a bias device. The second valve head is continuously open. Upon the application of a first fluid pressure, which is less than a threshold fluid pressure, the bias device maintains the valve stem in the closed position while the second valve head is continuously open. And upon the application of a second fluid pressure, which is at least as great as the threshold fluid pressure, the valve stem moves to an open position while the second valve head remains continuously open.

A multi-cone, multi-stage spray nozzle includes a nozzle body and outer and inner valve stems. The nozzle body defines an outer valve seat disposed at its distal end. The outer valve stem is slidably disposed in the nozzle body. The inner valve stem is slidably disposed in the outer valve stem. The inner valve stem occupies an open position and the outer valve stem occupies a closed position upon the application of a first pressure on the distal ends of the inner and outer valve stems. And, the inner and outer valve stems both occupy open positions upon the application of a second pressure that is greater than the first pressure on the distal ends of the inner and outer valve stems.

A long throw Pop-Up Irrigation Nozzle assembly has no oscillating or rotating parts and includes a cylindrical body having a fluid inlet and a sidewall defining at least one fluidic circuit configured to generate a selected spray pattern when irrigation fluid flows through the body. In order to throw long distance, droplet velocity, droplet size and droplet initial aim angle determine the throw to provide a low precipitation rate (PR) for fluidic sprays. The nozzle assembly and method of the present invention achieve a PR of 1 in/hr or less and good spray distribution with a scheduling coefficient (SC) of about 1.5 without utilizing any moving components to provide a significantly more cost effective nozzle assembly, as compared to prior art rotator nozzles.

The invention relates to a device (10) for providing mist to a surrounding environment, the device (10) comprising a housing unit (12) having an inlet opening (18), an outlet opening (20), and a chamber (22) extending between the inlet opening (18) and the outlet opening (20) along a central axis (24); a nozzle unit (14) including at least one orifice (26); wherein the nozzle unit (14) is arranged in the chamber (22), the nozzle unit (14) being slidable along the central axis (24) between a closing position, in which the nozzle unit (14) closes the outlet opening (20), and an opening position, in which the at least one orifice (26) connects the chamber (22) to the surrounding environment in fluid communication; wherein the nozzle unit (14) transfers from the closing position to the opening position if a fluid pressure at the inlet opening (18) exceeds a predefined threshold; wherein the nozzle unit (14) comprises a deflector part (28) for deflecting fluid in the opening position and for closing the outlet opening (20) in the closing position, wherein the at least one orifice (26) is arranged offset to the central axis (24) between the inlet opening (18) and the deflector part (28); wherein the at least one orifice (26) is configured to guide fluid flowing through the at least one orifice (26) and to lead the fluid towards the deflector part (28). The invention provides an improved device (10) for providing mist to a surrounding environment, which reduces the required amount of fluid and increases the efficiency of the fluid distribution.

A jetting device and/or fluid module includes a nozzle with a fluid outlet, a body including a fluid chamber and a fluid inlet in fluid communication with the fluid chamber, and a valve seat disposed in the fluid chamber, where the valve seat includes an opening in fluid communication with the fluid outlet. The jetting device also includes a movable element having a top portion and a bottom portion, where the top portion is disposed external to the fluid chamber and arranged to be contacted by a reciprocating drive pin, and where the bottom portion is disposed within the fluid chamber. Finally, the jetting device also includes a sealing member contacting the movable element between the top portion and the bottom portion, where the sealing member also contacts the body, and defines a portion of a boundary of the fluid chamber to seal the fluid chamber.

A jetting device and/or fluid module includes a nozzle with a fluid outlet, a body including a fluid chamber and a fluid inlet in fluid communication with the fluid chamber, and a valve seat disposed in the fluid chamber, where the valve seat includes an opening in fluid communication with the fluid outlet. The jetting device also includes a movable element having a top portion and a bottom portion, where the top portion is disposed external to the fluid chamber and arranged to be contacted by a reciprocating drive pin, and where the bottom portion is disposed within the fluid chamber. Finally, the jetting device also includes a sealing member contacting the movable element between the top portion and the bottom portion, where the sealing member also contacts the body, and defines a portion of a boundary of the fluid chamber to seal the fluid chamber.

Jetting devices and methods for dispensing a fluid material from a fluid supply. A jetting device includes a fluid module configured to be coupled with the fluid supply and to dispense the fluid material. The fluid module includes a valve seat and a valve element configured to move relative to the valve seat over a stroke length, and a valve stop configured to position the valve element relative to the valve seat for determining the stroke length. The jetting device further includes a drive module configured to actuate the fluid module and includes a drive pin configured to move the valve element toward the valve seat. The drive pin is configured to be rotated to cause rotation of the valve stop for adjustment of the stroke length. The drive pin may be rotated by a rotation device comprising a motor.

A lubricant dispensing system having particular utility for applying a tightly controlled thin line of lubricant about the perimeter of cans as they are processed. The lubricant dispensing system includes an electrostatic spray head having a nozzle body that defines a lubricant receiving chamber for electrically charging lubricant therein and a capillary tube supported by the nozzle body having an inlet end communicating with the lubricant receiving chamber and an outlet that defines a discharge orifice of the electrostatic spray head. The capillary tube has a diameter between about 0.2 and 0.3 inches for directing electrostatically charged lubricant onto an item to be lubricated in a controlled thin line having a width no greater than 0.125 inches. The electrode is adjustably positionable relative to the capillary tube for selectively controlling the rate of discharging lubricant, and the electrode is configured for enhancing electrostatic charging of lubricant through the capillary tube.

The present invention is an anti-drip showerhead which includes a body, a cover plate and a plurality of spray outlets opened on the cover plate. Each of the spray outlets comprises an anti-drip means chamber at a first end and at least one spray outlet opening at a second end opposite the first end; the anti-drip means chamber and the spray outlet opening are in water communication with each other; each of the anti-drip means chambers is disposed with a water pressure actuated anti-drip means which is operable between an open position where water from the body is allowed to pass through the anti-drip means and exits through the spray outlet opening and a close position where water from the body is blocked by the anti-drip means and thus could not exit through the spray outlet opening.

A reciprocating plunger-type valve mechanism or assembly, which can be utilized in conjunction with adhesive dispensing applicators to control the dispensing of adhesive compositions which are to be used in connection with the bonding, securing, or fixation of pavement markers to road pavement surfaces, is disclosed. The mechanism or assembly comprises dual shutoff locations in connection with the supply of the incoming adhesive material so as to effectively reduce the prevailing pressure upon the shutoff blade controlling the adhesive material dispensing/discharge port whereby soft pressure starts and controlled deposition quantities are enabled while the generation of residual adhesive material or splatter is avoided.