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| Number | Title | Issue Date |
| 7712681 | Color change for powder coating material application system A color changer has a common feed passage that is connected to two or more inlet passages. The common feed passage can be reverse purged in a direction that is opposite a direction of powder flow through the common feed passage. A valve element seals a supply port t... | 05/11/2010 |
| 7354255 | Piston vibratory pump The present invention is an improved vibratory pumping mechanism that increases the efficiency of utilization of the vibratory motion within a mechanism. More specifically, the mechanism includes a central chamber within which a piston is oscillated to draw fluid in... | 04/08/2008 |
| 7273187 | Nozzle for air-assisted atomization of a liquid fuel A nozzle (100) for air-assisted atomizing of a liquid fuel comprises a fuel feed passage (110) and an air feed passage (114) and a swirling chamber (118) from which fuel and air may be passed to an exit orifice (126) for emerging a... | 09/25/2007 |
| 7216816 | Airless application system and method of spraying An airless application system. The system includes a primary product container, a secondary product container, and a sprayer in fluid communication with the primary product container and the secondary product container. ... | 05/15/2007 |
| 7216632 | Fuel injection valve A valve body surrounds a first passage connecting with a cylinder of an engine. A valve member is adapted to be seated on and lifted from the valve seat. An injector body connects with the valve body. The injector body has a pressure control chamber for controlling ... | 05/15/2007 |
| 7191955 | Irrigation unit having a control system that performs a self-test and a cleaner that cleans the unit An irrigation unit (20) for irrigating an area (12) with a fluid (19) from a fluid source (18) includes a housing (200), a nozzle (220), one or more electronic components (221), and a unit control system (240).... | 03/20/2007 |
| 7140555 | Hydraulic circuit for line marker having marking, flush and clean out modes of operation A line marker carries a spray nozzle assembly for marking or painting a line on a horizontal surface. The line marker has a hydraulic circuit which includes a reservoir for holding marking liquid therein and a tank for holding water therein. A pump can pump marking ... | 11/28/2006 |
| 7108200 | Fuel injectors and methods of fuel injection Fuel injectors and methods of fuel injection allowing direct control of the flow of fuel at an intensified pressure to the needle. A valve, typically a spool valve, is placed in the fuel passage between the intensifier actuation piston and the needle, and controlled... | 09/19/2006 |
| 7063077 | Electromagnetic valve-actuated control module for controlling fluid in injection systems The invention relates to a control module for fluid control in injection systems, having a valve body (2) in which valve needles (6, 24) of control valves (5, 17) are received. With these control valves (5, 17), the pressure buildup or pr... | 06/20/2006 |
| 7044402 | Multi-component fluid mix ratio check nozzle and kit A multi-component fluid mix ratio check nozzle includes a base engageable with a multi-component fluid dispensing gun for receiving fluid components dispensed from the gun. At least two hollow extensions extend from the base, wherein each of the extensions provides ... | 05/16/2006 |
| 7032834 | Filtering device for an irrigation system A filtering system for filtering particles from a flow of fluid is disclosed, and includes a filter device for removably positioning in a lumen of a pipe carrying the flow of fluid. The filter device has an upstream side for positioning in an upstream direction of f... | 04/25/2006 |
| 7021557 | Thin film coatings for fuel injector components A thin film coating for a low allow steel or tool steel components in a fuel injector (14), such as a fuel injector needle valve (86) is disclosed. A thin film coating (96) consists of a metal carbon material layer less than 2.0 microns thick ap... | 04/04/2006 |
| 6957781 | Cleaning attachment for fluid dispenser nozzles and fluid dispensers using same A nozzle attachment for removing residual material retained on the dispensing nozzle of a fluid dispenser, having a retainer adapted to releasably attach the nozzle attachment to a dispensing nozzle, and a pair of hollow-bodied nozzle attachment components that defi... | 10/25/2005 |
| 6935366 | Powder paint color changer A powder paint color changer features a single cleaning fluid port at one end of the color changer manifold for direction of cleaning fluid, such as pressurized air, through the main output interior chamber of the color changer manifold thence through a supply hose ... | 08/30/2005 |
| 6925730 | Apparatus for removing paint A paint removal apparatus includes a canister partially filled with a pressurized coolant. The apparatus includes a housing having a body portion mounted atop the canister with a handle portion extending from the body portion. The handle includes an inlet port while... | 08/09/2005 |
| 6924965 | Electro magnetically-operated device, and a method of operating the same An electromagnetically operated device has an electromagnet including a magnetic guide having a movable armature and at least one air gap, a magnetizing coil provided on the magnetic guide, the magnetic guide having at least a part formed as an insert of a magnetica... | 08/02/2005 |
| 6662814 | Mid-level spray-arm assembly A mid-level spray-arm assembly for a dishwasher includes a bracket for mounting a spray-arm hub to an upper rack of the machine, and a bearing coupling extending between the hub and the bracket. The bearing coupling forms a first bearing surface for rotat... | 12/16/2003 |
| 6622937 | Spray gun handle and trigger mechanism A spray gun includes a handle portion and an extension portion. A nozzle is connected with an outer end of the extension portion. An electrode assembly is disposed in the extension portion to establish an electrical field to electrostatically charge parti... | 09/23/2003 |
| 6589342 | Powder paint color changer A powder paint color changer features a single cleaning fluid port at one end of the color changer manifold for direction of cleaning fluid, such as pressurized air, through the main output interior chamber of the color changer manifold thence through a s... | 07/08/2003 |
| 6533192 | Fluid transfer pump wash-out apparatus and method A fluid transfer pump wash-out apparatus is provided to facilitate cleaning of fluid transfer pump system components. The wash-out apparatus is adapted for temporary or permanent insertion between at least one pump liquid source pick-up point and a pump i... | 03/18/2003 |
| 6464152 | Self-cleaning pressure compensating irrigation drip emitter A self-cleaning pressure compensating drip emitter for controlling fluid flow through a hole in an irrigation line includes an enclosing sidewall having two ends, and formed with a ledge between the ends. A cover extends from the sidewall to establish an ... | 10/15/2002 |
| 6375094 | Spray gun handle and trigger mechanism A spray gun includes a handle portion and an extension portion. A nozzle is connected with an outer end of the extension portion. An electrode assembly is disposed in the extension portion to establish an electrical field to electrostatically charge parti... | 04/23/2002 |
| 6318644 | Fluid transfer pump wash-out apparatus and method A fluid transfer pump wash-out apparatus is provided to facilitate cleaning of fluid transfer pump system components. The wash-out apparatus is adapted for temporary or permanent insertion between at least one pump liquid source pick-up point and a pump i... | 11/20/2001 |
| 6234002 | Apparatus and methods for cleaning and testing fuel injectors Automated apparatus and method to aid in the servicing of fuel injectors is adapted to be selectively operated in a test mode or a cleaning mode. The test mode senses flow rate through the injector and current draw of the injector solenoid, and provides t... | 05/22/2001 |
| 6190739 | Lacquering apparatus and method A lacquering line and a method of lacquering industrially manufactured products in standard and/or special colours, having one or more guide devices (1) for the industrially manufactured products, having one or more lacquering cabins and having spraying e... | 02/20/2001 |
| 6090450 | Method and apparatus for spray coating a workpiece An apparatus and method for painting a workpiece while switching paint colors between successive painting cycles includes a paint supply switching device, a paint feed line connected to the paint supply switching device, a separating element adapted to mo... | 07/18/2000 |
| 6037010 | Paint spraying equipment and method of cleaning the same In a method of cleaning a paint application system when switching between two different types or colors of paint, at least a predominant portion of the first paint (35) remaining in a paint line (3) is caused to flow back into its paint supply container (... | 03/14/2000 |
| 5964408 | Irrigation sprinkler and valve with flushing system An improved pop-up irrigation sprinkler with integral flow control valve, and an improved separate flow control valve, defined by a dual flowpath for pilot flow within the flow control valve; a stem-flushing feature using an interrupter disc (54) mounted ... | 10/12/1999 |
| 5938120 | Fluid system and method Embodiments of a fluid system and of methods of operation of a fluid system are disclosed. In one embodiment, the fluid system comprises at least one source of fluid, a nozzle and at least one first valve fluidly connecting the nozzle with the at least on... | 08/17/1999 |
| 5875969 | Sprinkler with self cleaning bowl A sprinkler has an upwardly facing sprinkler bowl at the top of the sprinkler body in which water can collect during operation of the sprinkler when the riser of the sprinkler is popped up. At least one nozzle on the sprinkler comprises a siphon nozzle th... | 03/02/1999 |
| 5799872 | Purging of fluid spray apparatus The purging of residual fuel in gas turbine combustor fuel injectors is disclosed in which the fuel injector includes a fuel element having a first and second fuel passage for discharging the fuel to the combustor of the gas turbine. Upon interruption of ... | 09/01/1998 |
| 5756155 | Combination nozzle and vacuum hood that is self cleaning The invention provides a combination of a nozzle and a vacuum hood. The vacuum hood has a chamber that surrounds the tip of the nozzle and removes residue from the tip by a vacuum which flows in the chamber past the nozzle tip. This vacuum catches and rem... | 05/26/1998 |
| 5711329 | Self-cleaning knob water faucet A self-cleaning knob water faucet that includes a hollow water faucet housing, a water valve assembly, a knob, and water showering apparatus. The hollow water faucet body has an interior space and a spout from which water can exit. The water valve assembl... | 01/27/1998 |
| 5676756 | Rotary atomizing electrostatic coating apparatus and a method of use thereof A rotary atomizing electrostatic coating apparatus includes a plurality of paint nozzles and a solvent nozzle. Each paint nozzle communicates uniquely with a respective paint source separate by respective paint passages which are pathwise separate from ea... | 10/14/1997 |
| 5664731 | Decontamination valve for a jet pipe in a paper or board machine A decontamination valve for a jet pipe in a paper or board machine, including a disc valve having a closed position and an open position. The disc valve is in the closed position when the jet pipe is in operation and is in the open position when the jet p... | 09/09/1997 |
| 5660466 | Apparatus and method for uniformly wetting hard-to-wet powders Apparatus for wetting particulate material comprises a duct 1 that is open at its base 2 and that is provided at its top 3 with a duct inlet 4 defined by inlet walls 5 down which water flows continuously from a weir 6 around the top of the walls. Sprays 1... | 08/26/1997 |
| 5433380 | Self-cleansing pressure washing system for chemical sprayer An injection type chemical sprayer (30) including interior and exterior cleaning systems. The interior cleaning system can include a rinsing nozzle (58) located within the concentrated chemical tank (52). Rinsing nozzle (58) can be selectively connected t... | 07/18/1995 |
| 5433228 | Self-cleaning bearing flange for dishwasher spray arm A dishwasher is provided having a rotatable spray arm. The spray arm has a circular flange for rotatably mounting the spray arm to a hub. The flange has a varying vertical contour around the hub. Food particles that may become interposed between the flang... | 07/18/1995 |
| 5328095 | Self-contained spray gun apparatus with spherical paint cup A self-contained spray painting system includes a spray gun for spraying paint under pressure, and a spherically shaped paint container attached to the spray gun for holding a quantity of paint to be sprayed. A flexible pick-up extends into the container ... | 07/12/1994 |
| 5299606 | System for hermetically dispensing and diluting a concentrated chemical A system for hermetically dispensing and diluting a concentrated chemical from a container into a dilution tank which includes (i) a first portion for attachment to the container which includes a valve for controlling fluid flow from the container through... | 04/05/1994 |
