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Class 239/412 - Motor or fluid pressure operated valving means


Subclass of Class 239 - Fluid sprinkling, spraying, and diffusing
Definition: Apparatus in which the flow controlling means is actuated
No. of patents: 90
Last issue date: 10/25/2011


1      
NumberTitleIssue Date
8042750Release agent spray device for a casting machine
1. Release agent spray device for a casting machine. 2.1. The invention relates to a release agent spray device for a casting machine, having one or more spray nozzles (1) and discharge means for the controlled discharge of release agent from the respe...
10/25/2011
7357116Direct injection internal combustion engine
A direct injection engine has a fuel injection valve that directs a spray of fuel to each side of a spark plug electrode. The fuel mixes with the air to define a region of relatively richer air-fuel mixture and a region of relatively leaner air-fuel mixture. The ele...
04/15/2008
7302731Washer equipment
Washer equipment jets washings to each sweeping area of driver's side and passenger's side windshield of a vehicle, which are swept by driver's side and passenger's side wiper blades, respectively, in such a manner that they synchronize together and move to a same d...
12/04/2007
7281671Washer fluid squirt device for motor vehicle windscreen washer jets
The device is comprised of a jet body (2) and a body for a fan shaped squirt (3) which can be mutually coupled. The squirt body (3) has a squirting orifice (9) which comprises four consecutively connected portions, of which, in the washer...
10/16/2007
7234649Spray gun
A spraying apparatus for spraying liquid surface treatment material which includes a gas inlet, a liquid inlet and an outlet nozzle. The apparatus also has a needle valve for regulating the supply of surface treatment material to the nozzle. The needle valve is at l...
06/26/2007
7032842Spray element for a spray head
In a spray element for a spray head for spraying the molds of pressure casting machines, a control piston for the release of the parting agent supply is disposed beside the spray nozzle and a connecting passage opens in a chamber of the housing in which one end of t...
04/25/2006
6938835Liquid scanner nozzle and method
A full coverage area spray device has an oscillation chamber. Chamber end plates have a diameter D and the distance between the inlet and outlet apertures is L and ratio L/D determines the spray pattern and is adapted to support a basic toroidal flow pattern that re...
09/06/2005
6769632Method and apparatus for supplying coating material
An apparatus for supplying a coating material, including: a coating material tank (2) for storing a high-viscosity coating material; a solvent tank (6) for storing a dilution solvent; a mixing machine (11) for mixing the high-viscosity coating m...
08/03/2004
6663020Mist generating head
The invention relates to a mist generating head (34) comprising an injection unit (70) of the type used in diesel engines. Said head atomizes the liquid to be nebulized at a high frequency. The stream of liquid droplets emitted by the injection unit (70) ...
12/16/2003
6598803Powder spray coating device
A spray powder-coating apparatus fitted with an electronic control system (21) regulating the air flows (20, 43) to an injector (4) as a function of setpoints (m) for the rates of powder to be moved, and as a function of a setpoint (GV) for the total rate...
07/29/2003
6588406Dual fuel metering and supply system for internal combustion engines
A dual-fuel system, comprising an electrically triggerable injector, for alternatively or simultaneously supplying two distinct fuels to an internal combustion engine. The injector is connected to two separate fuel circuits. Each circuit comprises a fuel ...
07/08/2003
6576913Focused ion beam apparatus having a gas injector in which one of a plurality of nozzles can be selectively driven for elevation
A focused ion beam apparatus has a gas injector provided with a plurality of gas supply pipes each having a nozzle at one end for ejecting a gas and a housing in which the plurality of gas supply pipes are slidably accommodated. The housing has a tip port...
06/10/2003
6523757Compact spray valve
A compact spray valve that provides an extended atomizing air cap for reaching between tightly spaced electronic components. The compact spray valve of the present invention includes an air body, a fluid control body and an extended atomizing air cap. The...
02/25/2003
6499674Air assist fuel injector with multiple orifice plates
A fuel injector is provided. The fuel injector also includes a multi-layer orifice plate assembly located at the housing outlet. The orifice plate assembly includes a first orifice plate having a plurality of first openings extending therethrough and a se...
12/31/2002
6170760Compact spray valve
A compact spray valve that provides an extended atomizing air cap for reaching between tightly spaced electronic components. The compact spray valve of the present invention includes an air body, a fluid control body and an extended atomizing air cap. The...
01/09/2001
6170759Method and device for applying an adhesive to a product surface
The invention relates to a method and a device for the delivery of adhesives, in particular for the delivery of hot melt adhesives in the form of a thin stream of adhesive spray directed onto the product surface and acted upon by at least one air jet. A s...
01/09/2001
6065685Spray nozzle
A spray nozzle of the type adapted to feed a liquid to a material being sprayed therefrom comprises a tubular spray conduit around which is arranged an annular feed port, this feed port being closed in a liquid-tight manner by resilient material openable ...
05/23/2000
5916367Spray head for a spraying tool
Proposed is a spraying-tool head (1), for use in particular in foundries, which has a distribution plate (9) fitted to an adapter (7) and, screwed onto the distribution plate, a nozzle plate (11) equipped with spray nozzles (4). The adapter as well as the...
06/29/1999
5897427Particle supply valve for use in blasting apparatus
A blasting apparatus has two or more pressured tanks and a switching member for selecting one of the pressured tanks from which particles are to be fed to an ejection portion, thereby which enabling a continuous blasting operation. The blasting apparatus ...
04/27/1999
5878960Pulse-wave-modulated spray valve
A pulse-wave-modulated spray control valve for controlling the release of a liquid to a flowing air stream for the purpose of atomizing the liquid to form a spray. The assembly includes a solenoid which is adapted to control reciprocating movement of an a...
03/09/1999
5709317Hand held dispenser for foamable compositions and dispensing system
A hand held dispenser for dispensing foamable compositions is disclosed that is particularly useful for foam-in-place packaging systems. The hand held dispenser comprises a housing; a motor in the housing; a transmission in the housing and driven by the m...
01/20/1998
5667733Aerosol generator and method for effecting the size of droplets dispersed thereby
An ultra low volume fog or aerosol generator produces a fog with droplets whose particle size or sizes are easily varied from about 5 microns to about 20 microns during the operation of the machine. This generator includes an air blower, the discharge of ...
09/16/1997
5518182Solenoid type fuel injection valve
A solenoid type fuel injection valve for injecting fuel into a plurality of intake ports including a pintle provided at a lower end of a needle valve to protrude into a fuel atomizing space formed at a lower portion of a fuel injection hole, so that the f...
05/21/1996
5507436Method and apparatus for converting pressurized low continuous flow to high flow in pulses
A device and method, especially adapted for operating sprinklers, shower heads etc. at low flow, converts low continuous liquid flow to a high intermittent and pulsating flow. The liquid is introduced at a controlled low rate of flow, such as by the use o...
04/16/1996
5407267Method and apparatus for forming and dispensing coating material containing multiple components
A method and apparatus for combining multiple components to form a coating material formulation in which one of the components is a resin, another component is a supercritical fluid employed as a fluid diluent, and, preferably, the third component is a ca...
04/18/1995
5332159Spray gun with dual mode trigger
A paint spray gun having a dual operating mode trigger. The trigger pivots on a gun body about an axis. The two operating modes are selected by radially positioning the trigger relative to the axis. In a first operating mode, fluid flow to a nozzle is gra...
07/26/1994
5330108Spray gun having both mechanical and pneumatic valve actuation
An ergonomic hand held paint spray gun which reduces operator fatigue and stress. The handle of spray gun has an ergonomically designed shape and the size of the handle may be changed through the use of different size handle covers. The spray gun has a pl...
07/19/1994
5292068One-piece, zero cavity nozzle for swirl spray of adhesive
A one-piece nozzle adapted for use within an adhesive dispenser includes a nozzle body formed with a throughbore having a discharge outlet within a nozzle tip portion which emits a bead of adhesive. A nozzle cap mounts the nozzle body to the adhesive disp...
03/08/1994
5284299Pressure compensated HVLP spray gun
HVLP spray gun capable of operating from a source of high pressure air. Compressed air is delivered to the gun through a relatively small diameter air hose. A pressure compensated control valve is mounted in the spray gun to reduce the air pressure delive...
02/08/1994
5266115Servocontrolled axis manipulator with programmable spraying heads
A manipulator with servocontrolled axes, has two or more programmable heads for spraying various liquids and/or air into moulds, more particularly foundry moulds. The manipulator is controlled by a programmable logic (CPU) to move two or more spraying hea...
11/30/1993
5245714Whirlpool bath provided with hot water blow-off control
A whirlpool bath is provided with a bathtub body, a circulating pump, a hot water circulation path disposed between said bathtub body and said circulating pump, a plurality of blow-off nozzles which are mounted on said respective terminal ends of the hot ...
09/21/1993
5219097Apparatus for mixing and dispensing a plurality of components with injected low pressure gas
A foam dispensing system and apparatus for mixing a plurality of foam components into an expanded foam and dispensing the mixed foam components, the apparatus having a body portion and a cartridge assembly mounted on said body portion. The cartridge assem...
06/15/1993
5190219Automatic spray gun
An automatic spray gun for use in an automatic spray system which is a modular unit, wherein each working component is a separate module that can be removed from and re-assembled on the spray gun body itself for cleaning, repair and replacement without di...
03/02/1993
5174504Airblast fuel injector
An airblast fuel injector tip is provided for reducing fuel vaporization problems as a result of high fuel temperatures without adversely affecting the airblast operational characteristics of the injector tip. The injector tip includes a fuel receiving ch...
12/29/1992
5170939Multiple component spray gun
A multiple component spray gun for spraying plural components is useful in applications involving polyurethane foams, elastomeric coatings, paints, thermosetting resin formulations, and the like. The ejected components are atomized under high or low press...
12/15/1992
5165604Air supply and control assembly for an automatic spray gun
An air supply and control assembly for use with a spray gun comprises an assembly to couple a first source of pressurized air which controls the needle valve of a spray gun to a pilot valve connected to a second source of pressurized air to control delive...
11/24/1992
5163584Method and apparatus for mixing and dispensing foam with injected low pressure gas
A foam dispensing system and apparatus for mixing a plurality of foam components into an expanded foam and dispensing the mixed foam components, the apparatus having a body portion and a cartridge assembly mounted on said body portion. The cartridge assem...
11/17/1992
5156340Fluid spray gun
A spray system is disclosed which includes a spray gun for the hand-operated spraying of fluid material with pressurized air. A spray gun body includes a barrel chamber having an air tube which directs air outwardly through a discharge port with entrained...
10/20/1992
5119989Dripless spray nozzle
A dripless spray nozzle for an intermittent or cyclical spraying operation providing a spray manifold having an inlet port for receiving a pumped material to be sprayed, such as pressurized lube oil, and an inlet port for receiving pressurized air, a mixi...
06/09/1992
5102053Device for a combined blowout of fuel and air for fuel injection systems in internal combustion engines
A device for a combined blowout of fuel and air for fuel injection systems in internal combustion engines having a housing with fuel and air connections and a hollow, elongated housing neck having a blowout opening on an end that communicates with the fue...
04/07/1992
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