| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 239124000 | WITH SYSTEM FLUID RELIEF OR RETURN TO SUPPLY | 28 |
| 20080210775 | Variable reactive force arrangement for pole mounted, pressure washing lances - Apparatus and methods for establishing a controllable reactive thrust in a pressure washing lance ( | 09-04-2008 |
| 20080283627 | Fuel Injector - A fuel injector for internal combustion engines, the injector a nozzle needle axially guided for movement in a nozzle body to opens or close off at least one spray hole for a fuel injection, having a valve piston is guided so as to be axially moveable in a holding body and controls the opening and closing movement of the nozzle needle, having a valve piece in which the valve piston delimits a control space which is connected to a high-pressure side and which is connected by means of a control valve to a low-pressure side, and having a leakage oil return line which discharges leakage oil out of the region of the holding body. The leakage oil return line runs at least partially in the valve piece. | 11-20-2008 |
| 20090050709 | Powder Paint Recirculation Block Assembly - A powder paint recirculation block assembly for use in a powder paint transfer assembly, and a method of operation, is disclosed. The recirculation block assembly includes a powder paint recirculation block body having an intake flow passage directing flow to an applicator flow passage leading to an application flow control assembly and a return flow passage leading to a return flow control assembly. The angles (change in direction) through which powder paint flows may be minimized to minimize potential impact fusion. The pinch rubbers in pneumatic pinch valves of the application flow control assembly and return flow control assembly may be removable to allow for valve repair. | 02-26-2009 |
| 20100038448 | SPRAY DEVICE - A spray device that includes a swirl atomizer and a source of pressurized liquid. The atomizer includes a housing that defines a tubular chamber having a side wall, a first end wall, and a second end wall that opposes the first end wall. The atomizer further includes a bleed outlet channel in the second end wall that is configured to bleed an excess liquid from the atomizer, and a spray outlet channel in the first end wall. The spray outlet channel is narrower than the bleed outlet channel. The side wall includes a first face and a second face that opposes the first face. A length of the chamber between the first end wall and the second end wall is at least twice a width of the chamber between the first face and the second face of the side wall. | 02-18-2010 |
| 20100059603 | High-pressure cleaning appliance - The invention relates to a high-pressure cleaning appliance with a high-pressure pump, comprising at least one pump chamber which is connected to a suction line and a pressure line. The pressure line is in flow connection with the suction line via a return flow line, and a relief valve with a through-channel extending from a valve inlet to a first valve outlet is arranged in the return flow line. A valve element which in a closed position bears against a valve seat is held for movement in the through-channel. At least one outlet channel, which opens into a second valve outlet, branches off from the through-channel. To design the high-pressure cleaning appliance so that it is less susceptible to failure, it is proposed that in the direction away from the valve seat, at a spacing from the at least one outlet channel, the valve element be surrounded by a sealing ring which seals off an inlet area of the through-channel adjacent to the valve inlet from an outlet area of the through-channel adjacent to the first valve outlet. | 03-11-2010 |
| 20100102143 | FUEL INJECTOR - The invention relates to a fuel injector comprising an injector housing having a pressure chamber from which fuel subjected to a high pressure is injected into a combustion chamber of an internal combustion engine when the pressure in a control chamber expands into a pressure relief chamber by a control valve device. The aim of the invention is to create a fuel injector which has a long service life even though subjected to high pressures. To this end, the injector includes a low-pressure supply line which is connected to a low-pressure return line by a purge path extending through the pressure relief chamber. | 04-29-2010 |
| 20110315787 | Pressure Washer Device Employing a Cool Bypass - A pressure washer device is provided that employs an unloader bypass valve that directs a selective amount of fluid via a small diameter bypass line back to a water storage tank. The small amount of fluid allows for the pump to remain working and introduces cooler water into a bypass circuit, thereby allowing the thermal relief valve to be omitted. The diameter of the bypass line is of such a diameter to prevent siphonage of the detergent associated with the pressure washer system into the water storage tank as well. | 12-29-2011 |
| 20120037721 | PRESSURE WASHER HOSE CONVERTER FITTING - In accordance with some embodiments, a pressure washer hose converter fitting is provided. In some embodiments, the pressure washer hose converter comprises: a threaded receiving end having internal threads for receiving a threaded outlet of a pressure washer, wherein the threaded outlet has a first diameter; a sealing gasket for engaging the threaded outlet of the pressure washer with the threaded receiving end; a threaded accepting end having external threads for accepting a threaded connector portion of a pressure washer hose of a second diameter; and a fluid transporting pathway connecting the threaded receiving end and the threaded accepting end; wherein the first diameter of the threaded outlet of the pressure washer is greater in diameter than the second diameter of the pressure washer hose; and wherein the threaded outlet of the pressure washer, the internal threads of the threaded receiving end, external threads of the threaded accepting end, and the threaded portion of the pressure washer hose have the same thread pitch. | 02-16-2012 |
| 20130140375 | SPRAYING APPARATUS AND METHODS AND COMPONENTS RELATING TO SPRAYING APPARATUS - A spraying apparatus that is particularly suited to spraying of suspensions, for example liquid suspended fertilizers. The apparatus includes a tank with an inlet configured to create fluid circulation within the tank, thereby reducing settling of solids out of suspension. A mixing unit improves the mixing of particulates with fluids as they are added to the tank. Spray outlets are arranged in a flow loop and only a proportion of fluid passing through the flow loop is sprayed with the remaining fluid returning to the tank for recirculation. Pressure-actuated closures may be used to prevent spraying until pressure has built up sufficiently. | 06-06-2013 |
| 20130193228 | FUEL INJECTOR - An electrical module for use within a fuel injector for delivering fuel to an internal combustion engine is described. The electrical module has a variable length. The electrical module comprises electrical contacts for operatively connecting the electrical module to a power plug of a fuel injector. The electrical module also comprises an actuator for operatively controlling a control valve disposed within the fuel injector. The electrical module also comprises electrical conductors arranged within a protective housing. These electrical conductors provide an electrical connection between the electrical contacts and the actuator in order to provide electrical power to the actuator when the electrical contacts are operatively connected to the power plug of the fuel injector. The body of the electrical module is comprised of a compressible elastic element, such that the length of the module is variable by compressing the elastic element. Injectors including such electrical modules are also described. | 08-01-2013 |
| 20130221127 | LIQUID EJECTION APPARATUS - An inflow opening of an inflow path opens to a space in a tank. An outflow opening of an outflow path opens to the space in the tank. The inflow opening and the outflow opening are vertically above a maximum level of the moisturizing liquid allowed to be stored in the tank. | 08-29-2013 |
| 20150014437 | AIR IMPINGEMENT NOZZLE - An air impingement nozzle that includes a fluid supply line with a fluid inlet and a fluid return line with a fluid outlet. A first wall in spaced walls extend between and are in communication with the fluid inlet and the fluid outlet to form a fluid channel. The first wall and second wall are curved such that an outer surface of the first and second wall form an air nozzle. | 01-15-2015 |
| 20150028126 | Fragrance Nebulizer with Drainage System - A device for generating a scented mist of an atomized liquid fragrance oil includes an atomizer complex, a reservoir assembly, a drainage tube, and a vacuum tube. The atomizer complex can atomize the liquid fragrance oil into a scented mist and deliver the scented mist to air outside of the atomizer complex, where the liquid fragrance oil the fragrance oil that is not atomized into the scented mist delivered to the air outside of the atomizer complex includes collected oil that is collected and drained to a reservoir assembly. A drainage tube extends from a bottom area of the atomizer complex into the liquid fragrance oil. The device can filter the liquid fragrance oil in the reservoir assembly and the collected oil from the atomizer complex that drained down the drainage tube. The vacuum tube can suction the filtered liquid fragrance oil and the collected oil into the atomizer complex for atomization. | 01-29-2015 |
| 20150090808 | Coaxial Flow Injector - An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a coil of wire positioned proximate the valve member such that the valve member moves between a seated position and an unseated position relative to an orifice in response to energizing the electromagnet. A connector coupled to the housing includes an inlet tube concentrically aligned with and surrounding a return tube. The inlet tube is adapted to receive pressurized reagent from a source of reagent. The return tube is adapted to return reagent to the source. | 04-02-2015 |
| 20160089682 | SPRAY MANIFOLD WITH INDIVIDUAL LIQUID FEED SPRAY GUNS - A modular spray gun manifold having a plurality of spray gun modules arranged in a lateral array each separated by an adjacent support assembly. Each spray gun module has a central liquid passage communicating with a spray nozzle and a transversely oriented liquid inlet port communicating through an outer side of the spray gun module for connection with an independently controllable liquid supply. The spray gun modules further include a recirculation port communicating between the central passageway and a recirculation conduit in an adjacent support assembly. A control valve of each module is operable when in open spraying position for blocking communication of liquid from the central passageway to the circulation port and when in a valve closing position blocking the liquid flow to the spray nozzle while redirecting liquid from the liquid inlet to the recirculation port for recirculation through the manifold array. | 03-31-2016 |
| 20160115596 | Atomic Layer Deposition Head - An ALD coating method to provide a coating surface on a substrate is provided. The ALD coating method comprises: providing a deposition heading including a unit cell having a first precursor nozzle assembly and a second precursor nozzle assembly; emitting a first precursor from the first precursor nozzle assembly into chamber under atmospheric conditions in a direction substantially normal to the coating surface; emitting a second precursor from the first precursor nozzle assembly into chamber under atmospheric conditions in a direction substantially normal to the coating surface; removing moving the substrate under the deposition head such that the first precursor is directed onto a first area of the coating surface prior to the second precursor being directed onto the first area of the coating surface. | 04-28-2016 |
| 239125000 | Recirculation within nozzle (e.g., burner nozzle cooling) | 3 |
| 20100038449 | Spill return nozzle - The present invention relates to a spill return nozzle, particularly suitable for use in gas cooling, characterized in that, alongside the ducts for discharge and return of the flow of liquid, it is provided with means suitable to convey a flow of air toward the outlet of the nozzle. | 02-18-2010 |
| 20110259976 | FUEL INJECTOR PURGE TIP STRUCTURE - Provided is a nozzle tip assembly having a radially inner annular wall and a radially outer annular wall at least partially surrounding the radially inner annular wall and forming therebetween a flow passage for routing air from an upstream end of the nozzle tip assembly to a downstream end of the nozzle tip assembly. Additionally, the nozzle tip assembly has a bleed path for bleeding air from the downstream end of the flow passage into a heat shield that surrounds a fuel delivery device that directs fuel to a plurality of spraywells. | 10-27-2011 |
| 20130299604 | Coaxial Flow Injector - An injector for injecting a reagent includes an axially translatable valve member positioned within a housing. An electromagnet is positioned within the housing and includes a coil of wire positioned proximate the valve member such that the valve member moves between a seated position and an unseated position relative to an orifice in response to energizing the electromagnet. A connector coupled to the housing includes an inlet tube concentrically aligned with and surrounding a return tube. The inlet tube is adapted to receive pressurized reagent from a source of reagent. The return tube is adapted to return reagent to the source. | 11-14-2013 |
| 239126000 | By pressure responsive means (e.g., to sump or atmosphere) | 2 |
| 20080210776 | Method for draining a fuel storage of a fuel-injected system and corresponding device - The invention relates to a method for draining a fuel storage of an injection system of an internal combustion engine for an automobile, particularly a motor vehicle, having at least one injection valve. It is provided that the draining is carried out by means of suctioning off the fuel, wherein the injection valve is placed into the open position, or is placed into the open position at least once for venting the injection system during the suctioning off process. The invention further relates to a corresponding device. | 09-04-2008 |
| 20100170961 | Uniform-Pressure Supply Line System for Varying Elevations and Associated Methods - A system for providing fluid at a uniform pressure throughout varying elevations includes multiple channels or a chambered supply line. The feed into the supply line is maintained at a higher pressure to overcome increasing elevations. The return or open line is run with or next to the feed line. A connection chamber connects the two lines, and the connection to the return line is made by a set minimum-pressure valve, which maintains a desired pressure in the connection chamber by closing upon minimum pressure and opening to relieve higher-than-desired pressure. This system can be used for irrigation, fertilization, pesticide delivery, or any situation in which a consistent pressure is desired at an exit point, such as with membrane or drip tubing-type systems. Membranes can be used as the connection chamber itself. | 07-08-2010 |
| 239127000 | Return from liquid pump outlet to supply holder (e.g., tank filling, mixing or pump unloading) | 7 |
| 20090065607 | PRESSURE WASHER SYSTEM - A spray apparatus for a pressure washer includes an adaptor configured to receive a flow of pressurized fluid through a conduit fluidly connected with a pressure washer. A multi-position valve is movably connected with the adaptor and positionable in a plurality of discrete positions. The valve position is modified with an operator engaged with the valve. A first output and a second output are defined within the adaptor, wherein the valve is rotatable to selectively allow the pressurized fluid to flow through one of the first or the second output. | 03-12-2009 |
| 20100224698 | CONTAINER HOLDER IN A FLUID DELIVERY SYSTEM - A container holder in a fluid delivery system is provided. In one example, an airless fluid delivery system is disclosed and includes a housing and a handle coupled to the housing. A first end of the handle is attached to the housing and a second end of the handle includes an attachment feature configured to receive and suspend a fluid container from the handle. In one example, a frame of the fluid delivery system includes a recess configured to receive the container. Further, in one example the handle extends transversely from the fluid delivery system and includes a empty container balance point and a full container balance point along a length of the handle. | 09-09-2010 |
| 20110297756 | PORTABLE FLUID SPRAYER WITH FLUID CONTAINER SUPPORT FEATURES - The present disclosure generally relates to fluid sprayers and more specifically, but not by limitation, to a portable airless fluid sprayer including fluid container support features configured to accommodate fluid containers of different sizes. In one example, a fluid sprayer pump assembly is provided and includes a pump assembly housing and a fluid intake conduit configured to provide a fluid path to the pump assembly housing. The fluid sprayer pump assembly also includes a frame assembly supporting the pump assembly housing and including a plurality of fluid container support features. Each of the fluid container support features is configured to accommodate a respective fluid container such that an inlet end of the fluid intake conduit is positionable within the respective fluid container. In one example, a fluid container support feature includes a fluid container holder pivotably attached to the frame assembly and movable between first and second positions. | 12-08-2011 |
| 20130186977 | MULTI-CONTAINER BACKPACK STYLE SPRAYER - A multi-container manual-pump-operated backpack sprayer including an open-topped backpack enclosure, a plurality (preferably three) modular liquid containers removably seated in the enclosure, a hand-lever-operated pump/accumulator combination, and a user-controllable manifold for selecting a particular chemical from the containers for administration through a spray wand. Chemical is carried to the pressure chamber by manually pumping. The pump draws liquid from a manifold-selected supply container outward through tubes to the manifold, which has a console of valves. Separate return tubes are provided for each chemical from the manifold back to the containers of origin, and the manifold allows convenient flushing of each chemical back to its container of origin. This ensures that chemicals are not mixed or cross-contaminated and avoids waste since all residual is returned back to its respective container. The manifold is conveniently carried at the hip for ease of access. | 07-25-2013 |
| 20130292488 | CIRCUIT FOR DISPENSING WINDSHIELD WASHER FLUID FOR A MOTOR VEHICLE - The present invention relates to a circuit for dispensing windshield washer fluid for a motor vehicle. According to the invention, the dispensing circuit is characterized in that it includes a float ( | 11-07-2013 |
| 20140070022 | SYSTEMS, DEVICES AND METHODS RELATED TO SPRAY-PAINTING FLUID PATH FOR MANUFACTURE OF RADIO-FREQUENCY MODULES - During fabrication of shielded radio-frequency modules where costly metallic paint is sprayed to form a conductive layer, it is desirable to reduce the amount of paint being utilized, and to reduce the likelihood of accumulation of metal particles along various paths. A closed recirculation system can be provided to yield such desirable features, and can include a reservoir for holding a volume of metallic paint, a spray apparatus for spraying metallic paint received from the reservoir, and a recirculator for recirculating the metallic paint that is not sprayed back to the reservoir. In some embodiments, the spray apparatus can be implemented so as to have reduced dimensions, and include a mechanism for switching between a spray mode and a recirculate mode. Such a spray apparatus can reduce the amount of paint being utilized, and also reduce accumulation of metal particles in the spray apparatus. | 03-13-2014 |
| 20140339329 | PAINT SPRAYER - According to one embodiment, an apparatus comprises a paint container, a paint sprayer assembly, movable grip members, and a ring. The paint container has an outer diameter. The paint sprayer assembly includes a housing having an air inlet and a nozzle located on the housing. The movable grip members are supported on the housing in a circular array having an inner diameter greater than the outer diameter of the paint container. The ring extends circumferentially about the circular array of grip members. The ring is supported on the housing for rotation relative to the housing, and is configured to move the grip members to a condition in which the inner diameter of the circular array is not greater than the outer diameter of the paint container upon rotation of the ring relative to the housing. | 11-20-2014 |
