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| Number | Title | Issue Date |
| 7383861 | Gaseous fuel device A fuel conversion device comprises a restriction in a carburetion system configured to draw a gaseous fuel and air into the carburetion system. The fuel conversion device comprises an air inlet and a fuel air outlet coupled within the restriction. The fuel conversio... | 06/10/2008 |
| 7383856 | Motor vehicle tank with air venting A fuel tank contains a system for the removal of air, which includes an air removal line to connect the interior of the tank with the outside ambient atmosphere, whereby this line forms a siphon, and at the deepest location of the air removal line a connection secti... | 06/10/2008 |
| 7370813 | Multiple function dispenser A dispenser for mixing and dispensing a liquid chemical concentrate from a container with a dilutent. The dispenser includes a two piece slideable eductor assembly, one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjus... | 05/13/2008 |
| 7357565 | Fluid injector and mixer apparatus An improved injector which mixes a secondary fluid into a carrier fluid stream has (a) a body for directing the flow of the carrier fluid, this body having an internal wall forming a flow passage therethrough, a central axis, an inlet, an outlet, and a port for rece... | 04/15/2008 |
| 7341206 | Multiple function dispenser A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentr... | 03/11/2008 |
| 7331488 | Multi-chemical dispensing system An apparatus for selective eductive dispensing of multiple chemical fluids from separate fluid containers includes a motive fluid inlet; an eductor in fluid communication with said motive fluid inlet; a selector switch defining at least one inlet and an outlet there... | 02/19/2008 |
| 7228871 | Device for reducing separation of volatile organic compounds from oil during filling of tanks A device for reducing evaporation of volatile organic compounds (VOC) during filling of a substantially liquid petroleum product into a storage and/or transportation tank (18) via a down pipe (14), wherein the down pipe (14), which has a non-con... | 06/12/2007 |
| 7134152 | Adaptable, low cost air gap and flow control A kitchen sink installation includes a plurality of adjacent kitchen sinks having drain tailpieces, a manifold pipe mounted substantially horizontally under the sinks and having a length and a plurality of discrete openings along its length, each of the openings fac... | 11/14/2006 |
| 7128092 | Separating arrangement for treatment of fluids An arrangement for separating a fluid from admixtures has at least a first and a second separation unit. The separation units are of the type using an increased pressure or pressure difference for their function and have improved performance with increased pressure.... | 10/31/2006 |
| 7111830 | Anti-detonation fuel delivery system A fuel processing device [2] is provided that produces properly sized fuel aerosol particles [5] that when mixed with combustion air, reduces or eliminates detonation (knock) in internal combustion engines thus reducing fuel octane requirements for eng... | 09/26/2006 |
| 7096877 | Method of establishing at least one enveloped flow in a channel With a method of establishing an enveloped flow in a channel, in the channel an envelopment area (3) with a channel section (6, 7) is configured to which a stub with an outlet is connected, where the stub, which can be configured as a polyhedron, is ar... | 08/29/2006 |
| 7044163 | Drag reduction in pipe flow using microbubbles and acoustic energy Methods and apparatus for reducing drag in fluid flow through pipes that utilizes microbubbles and acoustic energy are provided. A gas ejector for microbubble generation in a pipe is provided and includes a pipe comprising a wall having inner and outer diameters and... | 05/16/2006 |
| 7025289 | Multiple function dispenser A dispenser for mixing and dispensing a liquid chemical concentrate with a dilutent from a container. The dispenser includes two slideable eductors one of which is also rotatable. Both a high and low flow rate can be obtained with simultaneous adjustment of concentr... | 04/11/2006 |
| 6932029 | Coolant pump cavitation suppressor An engine cooling system includes a centrifugal coolant pump and a cavitation suppressor in the system upstream of the pump inlet. The suppressor increases pressure in the pump inlet by a converging nozzle that accelerates a jet of coolant at the location of the sta... | 08/23/2005 |
| 6916078 | Inkjet proofing with matched color and screen resolution One general aspect of the invention provides for creating half-tone ink-jet proofs on print-enhanced sheets based on an effective image cell pitch that substantially matches a cell pitch used to create press plates. Print process variables can be adjusted for the in... | 07/12/2005 |
| 6868869 | Sub-atmospheric pressure delivery of liquids, solids and low vapor pressure gases A delivery system and method for vaporizing and delivery of vaporized solid and liquid precursor materials at sub-atmospheric pressures between a heatable vaporization vessel and a processing tool. The system includes a pressure regulator internally positioned withi... | 03/22/2005 |
| 6783429 | Apparatus and method for sampling a chemical-mechanical polishing slurry An apparatus and method for drawing a sample of a chemical-mechanical polishing slurry for analysis of at least one property, e.g., particle size distribution, is described. The apparatus comprises (i) a plurality of sample delivery lines, each line carrying a chemi... | 08/31/2004 |
| 6701960 | Double cone for generation of a pressure difference The lifetime of a double-cone device (21) for creating a pressure difference in a streaming fluid can be greatly increased by moving the inlet gap (5) into the exit cone (4). This results in a short so-called diffuser (22) being obtained between the gap (... | 03/09/2004 |
| 6648003 | Backflow preventer This backflow preventer includes a body having an upper portion providing an inlet and a lower portion providing an outlet. The body includes a backflow preventer having a nozzle communicating with the inlet, a passage communicating with the outlet and a ... | 11/18/2003 |
| 6623154 | Differential injector A differential injector for fluid mixing having a primary fluid inlet, a throat section and a diverging discharge outlet. A secondary fluid is pulled into the discharge outlet, through annular recessed grooves, by suction action produced by the primary fl... | 09/23/2003 |
| 6609374 | Bypass venturi assembly for an exhaust gas recirculation system An internal combustion engine, particularly suitable for use in a motor vehicle, is provided with a combustion air supply, an exhaust manifold, and a bypass venturi assembly. The bypass venturi assembly includes a housing having an outlet, a combustion ai... | 08/26/2003 |
| 6571989 | Metering device for releasing water and detergent A metering device for releasing water and detergent has a three-way connector, a water quantity adjustment device, a detergent quantity adjustment device, and a detergent bottle. The three-way connector has a three-way channel, a first end connected to th... | 06/03/2003 |
| 6530392 | Valve cleaning assembly The present invention is a valve cleaning apparatus and method for transporting a cleaning fluid from a supply tank into the air intake valves of a combustion engine. It comprises housing having a pair of legs and a closed end. The housing has a flow path... | 03/11/2003 |
| 6491064 | Apparatus for charging a liquid medium with a gas An apparatus for injecting a gaseous medium into a flowing liquid medium consisting of a first pipe having a closed end facing against the direction of the flowing liquid and an open end disposed in the direction of liquid flow, a second pipe coaxially di... | 12/10/2002 |
| 6453926 | Method and apparatus for injecting a chemical into a fluid stream An apparatus for introducing a chemical into a fluid stream comprises a chemical injector adapted to be interposed within the path of the fluid stream flowing from an upstream conduit to a downstream conduit. The chemical injector includes primary and sec... | 09/24/2002 |
| 6427724 | Apparatus for conserving thermal energy in a central heating system An energy saving heat transfer unit providing an efficient means to transfer energy from steam to water in a central heating system. The steam enters a mixing chamber and creates a negative pressure environment. Water in a backwater pipe, which is at a lo... | 08/06/2002 |
| 6394121 | Connector for prohibiting gas from flowing back A connector for prohibiting a gas from flowing back is disclosed. The connector includes an outer housing having a gas inlet thereon; and an inner housing disposed inside the outer housing and having an annular concavity, corresponding to the gas inlet, t... | 05/28/2002 |
| 6371161 | Apparatus for conserving thermal energy in a central heating system An energy saving heat transfer unit providing an efficient means to transfer energy from steam to water in a central heating system. The steam enters a mixing chamber and creates a negative pressure environment. Water in a backwater pipe, which is at a lo... | 04/16/2002 |
| 6360964 | Pressure washer An pressure washer enclosure capable of high pressure spraying with all pumps and chemicals enclosed for the protection of personnel and security of the chemicals. An external curbside control panel allows the operator to control the amount and concentrat... | 03/26/2002 |
| 6315000 | Eductor system and method for vapor recovery The EVRU is essentially an eductor, configured and designed, to capture and recover hydrocarbon fluids (gases and/or liquids) and/or other vapors and recombine and reinject into the system so that all the fluids are combined into a closed system to reduce... | 11/13/2001 |
| 6279611 | Apparatus for generating microbubbles while mixing an additive fluid with a mainstream liquid A unitary, self-contained apparatus for generating microbubbles using a pipe section with a constriction device for producing a venturi effect to cause a mainstream liquid flowing under pressure in the pipe section to draw a column of additive fluid into ... | 08/28/2001 |
| 6260273 | Venturi based vacuum valve method for water conservation A method of providing venturi based vacuum valve (10) includes the step of providing a plug (12) formed with first (14), second (16) and third (18) openings. The first opening (14) formed in the plug (12) acts as an inlet and is smaller than the second op... | 07/17/2001 |
| 6206046 | Lawn and garden chemical dispensing system A water flow controlled dispenser of liquid or water-soluble beneficial chemicals for sprinkling systems.... | 03/27/2001 |
| 6196269 | Conveying injector A powder-conveying injector to move coating powder and wherein the jet catching duct(8) of the conveying jet nozzle (4) is made of glass.... | 03/06/2001 |
| 6192911 | Venturi injector with self-adjusting port A self-adjusting venturi/mixer is disclosed. An inlet port body and outlet port body having a converging region and diverging region, respectively, are longitudinally slidably disposed with respect to each other, forming an annular injection gap that wide... | 02/27/2001 |
| 6182703 | Venturi based vacuum valve apparatus and method for water conservation A venturi based vacuum valve (10) has a plug (12) with first (14), second (16) and third (18) openings. The first opening (14) formed in the plug (12) acts as an inlet and is smaller than the second opening (16). The first (14) and second (16) openings ar... | 02/06/2001 |
| 6161651 | Lubrication system with modulated droplet emission A lubrication system for the intermittent lubrication of a lubrication target, comprises a lubrication emitter having structure for generating a series of lubrication liquid droplets and carrying the droplets along a travel path by a propellent gas stream... | 12/19/2000 |
| 6071084 | Aspirator An aspirator for inflating inflatable devices such as aircraft emergency evacuation slides and life rafts using a quantity of primary gas that is stored in a tank that within the aspirator entrains a secondary gas, typically outside air, as the primary ga... | 06/06/2000 |
| 6050284 | RV generator auxiliary exhaust system method An auxiliary exhaust system is provided for releasable attachment to internal combustion engines as are used on electrical generators of recreational vehicles or the like. The auxiliary exhaust system is easy to assemble and disassemble and directs combus... | 04/18/2000 |
| 6027044 | Constant flowrate water saving valve and shower head using the same A constant flowrate water saving valve comprises a main valve body having a peripheral wall formed with a conical-shaped valve seat surface, a liquid inlet opening on a side of the inner diameter r1, a vent flow opening on a side of the inner d... | 02/22/2000 |
