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| Number | Title | Issue Date |
| 7278776 | Apparatus and method for injecting a liquid dye into a polymer melt An apparatus and a method for injecting a liquid dye into a polymer melt, which includes a metering pump with a metering inlet and a metering outlet. The metering inlet connects to a dye tank and the metering outlet connects to a polymer melt carrying component. To ... | 10/09/2007 |
| 7273560 | Apparatus for condensing and recycling stripper An apparatus for recycling the stripper solutions with higher recycling rate is disclosed. The apparatus includes a stripper condenser; a first buffer tank; a second buffer tank connecting to said stripper condenser by a first pipe and connecting to said first buffe... | 09/25/2007 |
| 7219692 | Apparatus for conditioning the atmosphere in a chamber In the invention, the atmosphere in a process chamber is conditioned using a primary pump, a secondary pump, speed control means for controlling the speed of the primary pump, and at least first gas analyzer means adapted for analyzing the extracted gases upstream f... | 05/22/2007 |
| 7178512 | Fuel system for a marine vessel with a gaseous purge fuel container A fuel container for a marine propulsion system is provided with a pump and a hose connected to an outlet of the pump and disposed within the cavity of the fuel container. The hose is provided with an opening, formed through its wall, through which a fluid can flow ... | 02/20/2007 |
| 7077159 | Processing apparatus having integrated pumping system An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch... | 07/18/2006 |
| 7059341 | Discharge ducts for pumping water from a supply reservoir to a delivery reservoir A discharge duct for discharging pump water from a supply reservoir defined by a first minimum water level and a supply reservoir floor to an operatively higher located delivery reservoir defined by a second minimum water level and the delivery reservoir floor, the ... | 06/13/2006 |
| 7051759 | Processing apparatus having integrated pumping system An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch... | 05/30/2006 |
| 7044160 | Device for supplying the consumers of a fuel cell system with liquid media An arrangement for supplying liquid media to consumers of a fuel cell system having a feed pump is suggested which is less complex compared to known arrangements. This is achieved in that controllable metering valves (22) are provided between the feed pump ( | 05/16/2006 |
| 7040994 | Redundant array water delivery system for water rides A redundant array pumping system and control system is provided for water rides for ensuring continuous and non-disruptive supply of water. The pumping system incorporates a redundant pump and filter array in conjunction with a nozzle system for injecting water onto... | 05/09/2006 |
| 7017606 | Primary-secondary pumping system A primary-secondary pumping system for HVAC systems wherein the common pipe is configured so that there is at least a 4 ft pressure drop across the length of the common pipe and that all thermal plants see the same temperature of water entering the thermal plants an... | 03/28/2006 |
| 6938638 | Gas circulating-processing apparatus A gas-circulating processing apparatus which comprises a processing chamber, a gas feeding piping, a gas supply piping, a first exhaust mechanism discharging a gas from the processing chamber, a second exhaust mechanism discharging a portion of a gas discharged from... | 09/06/2005 |
| 6910850 | Vacuum pump A vacuum pump has a pump case having a gas suction port at an upper part of the pump case and a gas exhaust port at a lower part of the pump case. A stator column extends from a base of the pump case and has an outer circumferential surface. A rotor shaft is rotatab... | 06/28/2005 |
| 6817376 | Gel hydration tank and method The present invention relates to a gel hydration tank and method for hydrating gels for use in oil well treatment operations according to which a mixture of water and gel is introduced into the interior of the tank and flows through the tank before being discharged ... | 11/16/2004 |
| 6817377 | Processing apparatus having integrated pumping system An apparatus 115 for processing a substrate 20, comprises an integrated pumping system 155 having a high operating efficiency, small size, and low vibrational and noise levels. The apparatus 115 comprises a chamber, such as a load-lock ch... | 11/16/2004 |
| 6792966 | Fuel transfer pump and control A fuel transfer apparatus for providing fuel to a vehicle engine from a plurality of fuel tanks. A transfer pump is positioned intermediate a pair of fuel tanks and is operable to transfer fuel therebetween. Fuel is provided to the engine from a first one of the two... | 09/21/2004 |
| 6755625 | Inlet throttle valve An inlet throttle valve for supplying liquid to a high-pressure pump has a fully open start position and an operating range where flow through the valve is determined by a pressure balance of a valving member independent of the pressure of oil supplied to the inlet ... | 06/29/2004 |
| 6505644 | Dual barrel jet fuel pump assembly for a fuel tank A dual barrel jet fuel pump assembly for a fuel tank in a vehicle includes a reservoir adapted to be disposed in a primary side of the fuel tank and having a top defining an overflow fuel level of the reservoir. The dual barrel jet fuel pump assembly also... | 01/14/2003 |
| 6505641 | Device for an arrangement inside a fuel tank for supplying and filtering fuel A device for an arrangement inside a fuel tank, provided with pumps and filters for supplying and filtering fuel that is fed to an internal combustion engine, whereby the fuel is conveyed from the bottom area of the tank through a first filter into a coll... | 01/14/2003 |
| 6494226 | Fuel transfer pump and control A fuel transfer apparatus for providing fuel to a vehicle engine from a plurality of fuel tanks. A transfer pump is positioned intermediate a pair of fuel tanks and is operable to transfer fuel therebetween. Fuel is provided to the engine from a first one... | 12/17/2002 |
| 6397873 | Method and apparatus for temporarily increasing the transport capacity of the water supply system in case of a calamity Method and apparatus for temporarily increasing the transport capacity of the water supply system in case of a calamity, in which despite the occurrence of a calamity an amount of drinking water is to be transported to the service area of a pumping statio... | 06/04/2002 |
| 6382249 | Vacuum exhaust system A vacuum exhaust system comprising a vacuum chamber; means for introducing a gas into the vacuum chamber; a main pump for exhausting the vacuum chamber and reducing a pressure of the vacuum chamber to a desired pressure; an auxiliary pump disposed downstr... | 05/07/2002 |
| 6224342 | Conduit pump system to increase water flow capacity An apparatus for increasing the flow of liquid in a conduit provides a barrier positioned in the conduit to prevent flow of liquid past the barrier in a lower region and defining a gap region above that lower region and adjacent the barrier. A duct having... | 05/01/2001 |
| 6142164 | Method and apparatus for removing leaking gas in an integrated gas panel system One aspect of the present invention provides an apparatus which permits the efficient purging of leaked process gas at the component-panel interface in an integrated gas panel system. The apparatus provides conduit structure for directing a flow of purgin... | 11/07/2000 |
| 6125883 | Floor mounted double containment low profile sump pump assembly A floor mounted sump pump assembly for pumping particulate laden dirty coolant discharged by a floor mounted machine tool station includes a sump tank having a cylindrical wall spaced around a central axis and an inclined bottom with a central lower regio... | 10/03/2000 |
| 6016671 | Safety circuit for commercial washing machines A safety circuit for washing machines prevents an accidental simultaneous feed of bleach and sour due to a malfunction of the machine's controller, by interposing a normally open contact and a normally closed contact of a relay, respectively, in the sour ... | 01/25/2000 |
| 5675880 | Descaling system for use in the manufacture of steel and corresponding method This invention relates to a descaling system for use in the manufacture of steel and corresponding method, including a pump recirculation system. The recirculation system is adapted to make high pressure descaling fluid (e.g. water) instantaneously availa... | 10/14/1997 |
| 5498105 | Drainage water pumping station and method for operating the same A plural drainage pumps PH are disposed on the high floor gradation state at the circular shape. A plural drainage pumps PL are disposed on the low floor gradation state at the circular shape. The drainage pump PH disposed on the high floor gradation is i... | 03/12/1996 |
| 5306242 | Recirculation through plural pump cassettes for a solution compounding apparatus An apparatus and method are disclosed for compounding of parenteral admixture solutions, and recirculation with the admixture solution being formed. The apparatus includes a multiple pump cassette configured for operative association with a pump driver, w... | 04/26/1994 |
| 5203677 | System and method for analyzing gravity of used motor oil A system and method for analyzing and collecting fluids for recycling or other disposal, such as used motor oil, by determining whether the liquid has a specific gravity falling within a predetermined range, selectively activating a pump cycle to transfer... | 04/20/1993 |
| 5167802 | Apparatus for sampling pesticide residues in run-off with control of sample pump and distributor valve A water sampling device for field use operates in cleaning and sampling modes and includes a distributor valve that provides selective connection of a sample pump to a plurality of collection units so that a plurality of samples can be taken. The collecti... | 12/01/1992 |
| 5078901 | Automatic fuel decontamination system and method The present invention provides a system for the automatic removal of contaminants such as water from the fuel supply of an internal combustion engine of the type including an auxiliary fuel tank. The system is automatically controlled and responsive to se... | 01/07/1992 |
| 5078168 | Apparatus for electrostatically isolating conductive coating materials An apparatus for transferring electrically conductive coating materials such as water-based paint from a source to an electrostatically charged dispenser includes first and second shuttle devices and two large reservoir, piston pumps. The first shuttle de... | 01/07/1992 |
| 4924898 | Vacuum assisted material mover A pumping system for sludge including hazardous waste material and other viscous material includes a vacuum pump for drawing sludge into and through an intake line to a separator where the heavier components of the sludge descend into a closed tank hopper... | 05/15/1990 |
| 4913814 | Jet pump system for fluidic contactor cascade In apparatus for mixing and then separating different flow streams, such as solvent extraction apparatus, a cascade of contactors and jet pumps are arranged in counter-current flow mode. The same one flow stream is applied to the drive port of each jet pu... | 04/03/1990 |
| 4830581 | Apparatus for dispensing measured quantities of a liquid material The invention concerns an apparatus for dispensing measured quantities of a liquid or liquefied material, comprising first pumping means, capable of delivering a continuous flow of material, second pumping downstream from said first pumping means, said se... | 05/16/1989 |
| 4703870 | Water reservoir assembly for post-mix beverage dispenser A manually-refillable water reservoir assembly, which may be retrofit to a post-mix beverage dispenser to supply water from the reservoir instead of from a commercial water supply, includes a manually-refillable water container which plugs into a base ass... | 11/03/1987 |
| 4697739 | Microtube applicator system Liquid agrichemicals such as pesticides are applied to soil or crops in a continuous stream at low flow rate from microtubes without need for a mixing tank and without clogging of the microtubes during downtime, by a system mountable on a farm vehicle, th... | 10/06/1987 |
| 4664143 | External water tower A water supply recirculation system is provided having a recirculation pump and a duct into which the recirculation pump propels water. A selectively operated, closed at rest, flow valve is maintained open while the pump operates. A flow sensor serially i... | 05/12/1987 |
| 4653532 | Loop injection circulation system A circulating system for dispensing fluid, such as paint, is provided with a circulating loop having a first pump. There is no substantial restriction in the circulating loop and a second pump injects additional fluid into the loop as needed to maintain p... | 03/31/1987 |
| 4585169 | Constant volume flow burner fuel control system A pair of positive displacement pumps are connected in series between a liquid fuel supply tank and a burner nozzle. Mechanically linked, identical variable orifices are interposed within the supply line between the pumps and the nozzle. A first pressure ... | 04/29/1986 |
