Abstract: An apparatus and method for cleaning either a diesel or a gasoline fuel system. The automatic fuel cleaner apparatus comprises a diesel service portion and a gasoline service portion. The diesel and gasoline service portions each includes a return hose having a first end capable of being coupled to a fuel line outlet of the fuel system. Each service portion further includes a detergent reservoir having an input connected to the return hose. Each service portion also includes a pump having an input connected to an output of the detergent reservoir. The diesel and gasoline service portions each further includes an output hose having a first end connected to a pump output and a second end capable of being coupled to a fuel line inlet. The gasoline service portion also comprises a pressure regulator connected to the output of the gasoline pump.

Abstract: A fuel tank inlet assembly for receiving fuel during automatic vehicle fueling and a pump assembly for delivering fuel during automatic vehicle fueling and the combination thereof. The fuel tank inlet assembly includes a fuel conduit with a fuel exit for operative connection with a fuel tank and the pump assembly includes a fuel nozzle for operative connection with the inlet assembly. One preferred embodiment of the invention includes a positioning system which utilizes inductive triangulation to connect the pump assembly to the inlet assembly.

Abstract: A low profile velocity flume and method for collecting machine tool coolant along a machine tool installation uses stepped sidewalls to progressively increase the flow space area above a continuously and smoothly sloping bottom wall. Flushing nozzles are located in lateral segments of the sidewall defining the stepped sidewall shape.

Abstract: A highly efficient apparatus and method for managing the transport, delivery, holding, dispensing, and removal of fluid material from a source to a user is disclosed. Material from the source in bulk form is transported to a customer in the quantity that is transmitted automatically from monitors or indicated manually. At the customer site, material is transferred directly via pipes and couplers, held and monitored at the user site in mini-tanks, and dispensed according to user needs. Data such as material volume in holding and other operational and monitoring data are gathered and transmitted automatically to a central processing center, where re-ordering and delivery planning are performed. These data are also utilized for analysis and business/operational planning.

Abstract: A system is provided that includes a load lock apparatus having an interior configured to receive an object. At least one inlet valve may be flow coupled to the interior of the load lock apparatus, and at least one outlet valve may also be flow coupled to the interior of the load lock apparatus. A controller may be configured to selectively control opening and closing of the at least one inlet valve. The load lock apparatus may include an object receiving mechanism that is movable within the interior of the load lock apparatus to throttle the evacuation of the interior. Several methods of using the system and load lock apparatuses are also disclosed.

Abstract: A housing for a fluid transfer machine includes a base and a pedestal extending outward from the base in a substantially vertical orientation and terminating in a platform. The base has a perimeter defined by an edge, and the pedestal is offset inward from the edge to provide an open space beneath the platform between an underside of the platform and a topside of the base member. This space stores at least one container for a fluid. A cover is mounted to move between an open position where the platform is exposed and a closed position where the platform is covered.

Abstract: A clean box is composed of a box body having an opening in one surface thereof and a lid member for closing the opening. An annular groove is formed so as to surround the opening on one of the box body or the lid member for defining a suction space sealed between the lid member and the box body under the condition that the lid member is mounted on the box body. Furthermore, intake/exhaust ports are provided for vacuum exhaust/release from the outside.

Abstract: A coolant transfer machine for an automotive engine includes first and second fluid transfer systems. The first system, operated when the engine is not running, sequentially first removes at least a substantial portion of used coolant from the engine. The first system then collects in a used fluid container the used coolant as the used coolant is being removed and then replaces the removed used coolant with new coolant from a new fluid container. The second system, operated when the engine is running, simultaneously displaces at least a substantial portion of used coolant in the engine with new coolant from the new fluid container and collects the displaced used coolant in the used fluid container. A manually operable switch has a first position that enables operation of the first fluid transfer system and a second position that enables operation of the second fluid transfer system.

Abstract: A vending system (1, 1a) for gases and a method for distributing gases using a vending system. The vending system includes a filling station (12) for filling gas bottles (2) with at least one gas, with at least one gas supply means (3) connected to the filling station (12) and control means for control of a gas distribution, which is characterised in a filling mechanism further provided for filling vehicle gas tanks, and which is likewise connected to the at least one gas supply means (3) and which is also controlled by the control means.

Abstract: A cooking oil disposal container with disposable oil cylinder or alternative disposable cartridge. This system includes a container with a funnel shaped lid and a ball funnel cover. The oil disposal system has a cylinder bad with a cylinder rest attached to one end to prevent the cylinder bag from falling into the container. As an alternative, the disposable cartridge is a thermal cardboard cartridge that can be used in place of the cylinder bag. This is a matter of preference. Both the oil cylinder bag and alternative disposable cartridge are heat resistant and can withstand temperatures of up to 400 degrees Fahrenheit.

Abstract: This invention relates to a service coupling for coupling a vehicle to a service port such that one or more services are transferable therebetween. The coupling comprises a plug comprising at least one service engagement portion; and a receptacle comprising an opening to receive the plug, and at least one service engagement portion positioned to engage the plug service engagement portion when the plug is inserted into the receptacle. The engagement is such that a service is transferable between the plug and receptacle. At least one of the plug and receptacle service engagement portions is arcuate thereby enabling engagement to be maintained between the plug and receptacle engagement portions when the plug is rotated about the axis and within the arc-length of the arcuate engagement portion.

Abstract: A continuous strip bag feeder and loader that includes an integrated printer assembly for printing information on each individual bag of the continuous strip. The printer assembly is mounted to a support frame and receives a continuous strip of bags from a feed assembly. The printer assembly includes a print head that prints the desired information on each individual bag of the continuous strip. The printer assembly is positioned relative to the loading assembly such that after each individual bag is printed, the bag is immediately loaded with a product at the loading assembly. Thus, no printed bags are positioned between the loading assembly and the printer assembly, thereby assuring each bag is loaded with a product prior to the printing of another bag.

Abstract: An apparatus and method is available for transferring data relating to the functioning of a fuel dispenser between a wireless device and the fuel dispenser. The wireless device activates a sensor on the fuel dispenser which in turn initiates the transfer of data between the wireless device and the fuel dispenser. The wireless device can download data from the fuel dispenser for review as well as modifying the data. If the operator of the wireless device modifies the data, the operator can upload the modified data to the fuel dispenser.

Abstract: An apparatus for changing power steering fluid in an automotive power steering system, uses the components of an fluid receiving container; an fluid supply container; a utility fluid pump, a pressure actuated fluid valve; and a fluid conducting means. The components are arranged such that air is compressed in the fluid receiving container by entry of spent power steering fluid and builds to open the pressure actuated valve so as to drive replacement power steering fluid into the power steering system, replacing the spent fluid.

Abstract: A system and method for evacuating potential wafer-corroding and contaminating residual process gases from the interior of a semiconductor wafer pod before, after or both before and after a process is performed on the wafers. The residual process gases are first evacuated from the wafer pod, which is next charged with a fresh supply of inert gas. The system is adapted to evacuate and charge the wafer pod as the wafer pod typically rests on a load port of a SMIF prior to transfer of the pod to another destination in the semiconductor fabrication facility, prior to internalization of the wafers into a processing tool, or both.

Abstract: Method and apparatus provided to accurately test fluid flow through cooling systems including pressurizing a fluid to create a fluid flow into the cooling system, measuring a fluid flow rate, and determining when the fluid flow rate is acceptable.

Abstract: The invention relates to a metering installation for powder pigments, having an arrangement for supplying the powder pigments into a weighing container of a weighing arrangement. The weighing container may be emptied into a pneumatic conveying conduit which leads into a consuming unit, if appropriate, via an intermediate store. The conveying arrangement has a hopper-like pressure container which can be subjected to the action of compressed air. The pressure container has a closure at the base and a laterally curved outlet connector. An injector tube, which can be subjected to the action of compressed air and has lateral exit openings for the compressed air, extends axially into the outlet connector.

Abstract: A method for filling a vehicle fuel tank with a gas is provided, in which the vehicle fuel tank (31) is connected to a delivery device (2) by a pressure-tight line (10) and the gas stored under pressure is filled into the vehicle fuel tank (31) from a storage unit (3) by means of the delivery device (2). The method comprises the following steps: the instantaneous value of a parameter, which is representative of the instantaneous level of filling of the vehicle fuel tank (31), is determined during filling with the aid of a sensor apparatus (32, 33) arranged in the vehicle fuel tank (31) the filling is ended when the parameter has reached a pre-settable end value.

Abstract: The coolant changer machine is a device for transferring radiator coolant fluids, including new, used, and detergent fluids, between storage tanks and an internal combustion engine cooling system. When a vacuum is applied at the radiator cap, fluid is returned to the storage tank, and if the cooling system is hot enough, the fluid will boil can be removed. When air pressure is applied to the top of the storage tank, fluid will flow out of the tank, through the control system and into the engine cooling system. The control system allows for filling the radiator at the cap opening or through the thermostat. The control also allows for circulation through the engine cooling system when the engine thermostat is open to allow complete mixing of flush detergent at elevated temperatures to thereby improve flush performance.

Abstract: The invention relates to a filling device for oil level regulation on oil pans in engines and transmissions, with an opening 1 in the base of the oil pan 2 which is closable with an oil drain screw 10, an oil filling collar 3 being arranged over the opening 1, the oil filling collar 3 projecting into the interior 4 of the oil pan, and a filling pipe 5 as an extension of the oil filling collar 3 being releasably attached to the oil filling collar 3, the free end 6 of the filling pipe 5 representing an overflow opening 7; the invention also relates to an oil pan containing the inventive filling device.

Abstract: An apparatus and method supplies lubricating fluid to an oil lubricating fluid receiving port of a mechanical device. A tank is adapted to hold the lubricating fluid, and a manually operated pump is mounted to the tank. A hose extends from the pump, so that the pump when operated pumps lubricating fluid from the tank into the hose. A shut-off valve is located at an end of the hose, and is manually moveable between an open position and a closed position. An adapter is attached to the shut-off valve and also attaches to the lubricating fluid receiving port, so that operation of the pump when the shut-off valve is in the open position forces lubricating fluid through the tube and through the adapter and into the lubricating fluid receiving port.

Abstract: A drop tube sealing assembly may contain a riser pipe having a proximal end with internal threads and an underground storage tank spaced apart from the proximate end of the riser pipe. The storage tank may contain a threaded inlet which is positioned atop the tank. A pipe nipple may include a first end in cooperation with the proximal end, an opposite end in cooperation with the threaded inlet, and an annular inner surface that forms a conduit. The inner surface may comprise a female thread section. A drop tube adapter fitting may be concentrically disposed within the pipe nipple. The adapter fitting may contain an outer surface containing external threads in cooperation with the female thread section. A seal in the form of an O-ring may be disposed between the adapter fitting and the pipe nipple. A drop tube having a open end may be coupled to the adapter fitting.

Abstract: The present invention is a container assembly for use with a rapid transfer port. The rapid transfer port (RTP) is of the type having an RTP door, an RTP circular seal around the door, and spaced RTP indentations. The RTP requires rotation of the device being attached thereto. The container assembly includes a circular ring member having an interface end and a bearing system end. The interface end includes a first set of ring member protrusions for engagement with RTP indentations of an RTP and a container assembly circular seal for providing sealing engagement of the ring member and the RTP. A circular enclosure door is concentrically positioned within the ring member. The enclosure door includes a first set of enclosure door indentations for engaging associated RTP door protrusions and a second set of enclosure door indentations for engaging a second set of ring member protrusions. The container assembly circular seal further provides sealing engagement of the ring member and the enclosure door.

Abstract: A front-opening unified pod quick-opening apparatus. The apparatus is positioned in a front-opening unified pod loading system. The apparatus has a rail, a slide, a short linking rod having a first end rotatably fixed on the slide to drive the slide to move along the rail, a long rocker arm having a first end rotatably fixed on a second end of the short linking rod, and a second end rotatably fixed on a pin on the backboard; and a power source. When the power source drives the long rocker arm to rotate upwards around the pin on the backboard, the long rocker arm leads the short linking rod, and the short linking rod drives the slide to move upwards along the rail which results in an upward rectilinear motion, and vice versa.

Abstract: An inexpensive fuel gas filler structure for a gas-fueled vehicle enables the connection between a ground line and a ground connection portion of the vehicle before the insertion of a fuel gas filler nozzle into a fuel gas filler receptacle. The fuel gas filler structure for a gas-fueled vehicle comprises a fuel gas filler receptacle to which a fuel gas filler nozzle of an external fuel gas filling station is to be connected, a fuel filler lid which is opened or closed, by a fuel filler lid opener, for selectively covering the fuel gas filler receptacle, a ground connection portion to which a ground line of the fuel gas filling station is to be connected, and a ground connection lid which is opened or closed for selectively covering the ground connection portion, wherein an operating section of the fuel filler lid opener is disposed in a region which is covered by the ground connection lid in a closed state.

Abstract: Stationary and pivotable trays for semiconductor wafer transfer are disclosed. A first moving equipment is movable to move a container for holding one or more semiconductor wafers from a wafer loading and unloading position to a wafer tank immersion position. A second moving equipment is movable to move the container from the wafer loading and unloading position to a container loading and unloading position. A stationary tray is located under the wafer loading and unloading position to collect liquid dripping from the first moving equipment. A pivotable tray is located to one side of the stationary tray, to collect the liquid dripping from the first moving equipment when this equipment is moving to the wafer loading and unloading position, such that the pivotable tray is lowered. The pivotable tray is raised when the second moving equipment is moving to the wafer loading and unloading position.

Abstract: A controlled fuel distribution system and method for use in a vehicle fuel filling facility, including at least one fuel pump having a nozzle and at least one nozzle-mounted transceiver for receiving information from a vehicle prior to discharge of fuel thereinto and communicating with an authorization subsystem located at the vehicle fuel filling facility, and a fuel flow driven transceiver power generator operated by fuel pumped by the at least one fuel pump and passing through the nozzle for powering the at least one nozzle-mounted transceiver.

Abstract: Provided are methods of charging refrigerants into refrigeration systems. The present methods involve recharging a refrigerant system that contains a chlorine-containing refrigerant and a lubricant comprising the steps of (a) providing a refrigeration system comprising a chamber having a hydrocarbon-based lubricant and substantially no chlorofluorocarbon refrigerant; and (b) introducing to the system a composition comprising: (i) a refrigerant; (ii) a surfactant; and (iii) a solubilizing agent.

Abstract: An automatic fueling system includes a pump having a telescoping arm capable of placement in three-dimensional space, a flexibly mounted nozzle on the end of the arm and a docking cone to mate with the fuel port on a vehicle. A camera provides a view of the side of the vehicle on a monitor with guides visible to the operator of the vehicle to assist in locating the vehicle within range of the pump. A light and a camera located adjacent to the nozzle are used to recognize retro-reflective light from an annular target about the intake port. Multiple approximations of the distance and location of the intake port are made with the nozzle moving closer to mating with the intake port. A data link is provided through the mated nozzle with a keypad accessible by the vehicle operator.

Abstract: A fluid drainage system is described for automobiles and other abandoned or wrecked vehicles. A vehicle is elevated on a lift and a puncturing apparatus is positioned under the gas tank. A protuberance on this apparatus punctures the gas tank and the gasoline in funneled through the apparatus into a receptacle. Pump tubes are inserted into the containers holding the brake fluid, power steering fluid, windshield wiper fluid, and antifreeze overflow, and these fluids are extracted into to individual receptacles. A lift unevenly elevates the vehicle and drains various automotive fluids, such as radiator fluid, transmission fluid, differential fluid and antifreeze. All of these fluids are stored in a common holding tank and are then pumped to a liquid, gravity separator, which separates the mixture into its component parts.

Abstract: The invention relates to a device for distributing liquid to a number of consumers, in particular for use in a drinks machine. The device comprises a number of receptacles which are positioned next to one another which corresponds to the number of consumers, a liquid feed line having an outlet opening which opens out above the receptacles, and manipulation means for positioning the outlet opening above a specific receptacle by manipulation of the relative position of the outlet opening, on the one hand, and the receptacle, on the other hand. At the outlet end of the feed line, there is provided a cover which extends laterally with respect to the liquid feed line and extends at least as far as the receptacles which adjoin the receptacle which is to be supplied. The cover may extend as far as above the said adjacent receptacles and may even completely overlap the said receptacles. The cover may also extend over all the receptacles.

Abstract: A grommet adapted to be inserted in a fueling cavity of housing of an engine driven device. The grommet is design to at least partially seal the fueling cavity to inhibit fluids entering the interior of the housing. The grommet is a one piece structure that has a side section and a lower intermediate section. The lower intermediate section includes an opening to provide access to at least a portion of a filler tube that is used to fill a fuel tank of the engine driven device. The lower intermediate section also includes a lip that extends outwardly from the housing of the engine driven device.

Abstract: A coolant transfer machine for an automotive engine includes first and second fluid transfer systems. The first system, operated when the engine is not running, sequentially first removes at least a substantial portion of used coolant from the engine. The first system then collects in a used fluid container the used coolant as the used coolant is being removed and then replaces the removed used coolant with new coolant from a new fluid container. The second system, operated when the engine is running, simultaneously displaces at least a substantial portion of used coolant in the engine with new coolant from the new fluid container and collects the displaced used coolant in the used fluid container. A manually operable switch has a first position that enables operation of the first fluid transfer system and a second position that enables operation of the second fluid transfer system.

Abstract: A nozzle for draining and filling liquids has a line for used liquid and a separate line for fresh liquid. A system and a method of draining and filling a cooking apparatus are disclosed.

Abstract: An air delivery system, wherein the air delivery system is coupled to a hose delivering water or fire-extinguishing foam, for providing air to emergency workers and disaster victims. The system includes a high-pressure air hose coupled at one end to an air-supply source and adapted to be coupled at a plurality of outlets along the delivery system to bottles capable of containing pressurized air.

Abstract: A liquid crystal dispensing apparatus includes a liquid crystal material container filled with liquid crystal material a gas supply at an upper portion of the liquid crystal material container for pressurizing the liquid crystal material with gas, a needle seat positioned at a lower portion of the liquid crystal material container and having a discharge hole for discharging the liquid crystal material of the liquid crystal material container, a needle having first and second ends positioned within the liquid crystal material container to be movable along upward and downward directions, a first spring positioned at a first end of the needle, a solenoid coil positioned at the upper portion of the liquid crystal material container, a magnetic bar positioned adjacent to the first end of the needle within the solenoid coil for moving the needle along the upward direction by generating a magnetic force when power is applied to the solenoid coil, a second spring positioned around the magnetic bar within the magnetic

Abstract: This invention relates to a wheel stop service port for coupling to a connectivity device of a wheeled vehicle such that one or more services, namely electricity, data, and fluids, are transferable therebetween. The service port includes a housing having a receptacle recess with a recess opening on an outside surface of the housing; a fastener on the housing for fastening the service port to the ground; a receptacle inside the recess and comprising an opening shaped to receive a service plug of a vehicle connectivity device, and a service engagement portion inside the receptacle for engaging a corresponding service engagement portion on the plug; a service conduit junction coupled to the receptacle and couplable to a service conduit to enable the transfer of a service therebetween; and a wheel contact surface located on the housing outside surface such that upon contact of the contact surface by a wheel of a vehicle, the connectivity device of the vehicle is within coupling range of the service port.

Abstract: A rigid inverted insert for mounting on the top panel of a rigid cowing of an engine welder, which cowing has a cut away opening in a top panel for allowing access to the top opening of a fuel filler tube extending from a low fuel tank to a position adjacent the rigid cowing. The novel insert has a lower wall generally to the top panel, but substantially below the top panel wherein the lower rigid wall has a central opening surrounding the filler tube to define a peripheral gap around the tube and a soft grommet or seal is mounted in the central opening and fixed to the insert.

Abstract: A system for dispensing pressurized gas is provided which includes a pressurized gas source, a receiving tank, a gas flow line connected between the gas source and the receiving tank, a valve for initiating and terminating flow of gas between the gas source and the receiving tank, an electronic controller, and temperature and pressure sensors for sensing temperature and pressure of gas inside the receiving tank. The electronic controller stores a tank rated density and the temperature and pressure of gas and periodically calculates a density of the gas in the receiving tank based on the temperature and pressure. The electronic controller periodically compares the density of the gas with the tank rated density and initiates flow of gas through the valve when the density in the receiving tank is below the rated density and terminates flow of gas through the valve when the density reaches the tank rated density.

Abstract: In order to provide hydrogen as a transportation fuel, service stations are provided with apparatus for performing the hydrocarbon to hydrogen conversion. The hydrocarbon product applied to the hydrocarbon to hydrogen converter can be distributed to the service station as gasoline/diesel fuel or as a separate hydrocarbon including natural gas. The hydrogen can be stored in a storage facility at the service station and dispensed to users as required. This distribution system eliminates the need for hydrocarbon to hydrogen converters in the each fuel cell powered automobile. This distribution system also eliminates the need for a separate dedicated hydrogen distribution system. In addition, the distribution of hydrogen can co-exist with the distribution of gasoline and diesel fuels providing for a convenient transition period.

Abstract: A hydrogen fueling station and system for hydrogen fueled vehicles that can transfer any gaseous fuel to any vehicle and can be located in any place where a vehicle can park and where environmental, safety and other regulatory requirements permit gaseous fuel to be transferred. The hydrogen fueling station is vertically elongate and includes an enclosure that has a plurality of housings to house groups of like components. The housings are configured and positively ventilated with external air to prevent the accumulation of leaked hydrogen.

Abstract: A metering and packaging device includes several cups fixed to rotate about a shaft. These cups are positioned under hopper outlets during a portion of their rotation to receive bulk material, and over passages through a bottom plate during another portion of their rotation to dump bulk material into weigh buckets. The outlets, cups and passages through the bottom plat are angularly displaced from one another such that the cups drop measured portions of bulk material in an alternating fashion into the weigh buckets, and the weigh buckets drop the portions into a packaging machine in an alternating fashion into a packaging machine which separately packages each successive and alternately dropped portion.

Abstract: A liquid crystal display device which has a liquid crystal composition between a first substrate and a flexible second substrate. The liquid crystal composition is filled between the substrates by being dispensed on the first substrate and spread uniformly while the second substrate is being pressed against the first substrate by a roller, and the liquid crystal composition is sealed by sealing resin provided on the sides of the substrates. The gap between the substrates is maintained by spherical spacers and/or a resin structure.

Abstract: A system for dispensing pressurized gas is provided which includes a pressurized gas source, a receiving tank, a gas flow line connected between the gas source and the receiving tank, a valve for initiating and terminating flow of gas between the gas source and the receiving tank, an electronic controller, and temperature and pressure sensors for sensing temperature and pressure of gas inside the receiving tank. The electronic controller stores a tank rated density and the temperature and pressure of gas and periodically calculates a density of the gas in the receiving tank based on the temperature and pressure. The electronic controller periodically compares the density of the gas with the tank rated density and initiates flow of gas through the valve when the density in the receiving tank is below the rated density and terminates flow of gas through the valve when the density reaches the tank rated density.

Abstract: A multicomponent, ground based system for reducing the hazard of explosion of aircraft fuel in the on board tanks of aircraft. The system is adapted to provide a supply of scrubbed fuel having a low concentration of dissolved oxygen. The scrubbed fuel can be supplied from bulk storage tanks to dispensing stations nearby the aircraft loading and boarding positions at an airport. The system also includes equipment adapted to wash the ullage of the aircraft fuel tanks to remove excess oxygen above the fuel in the tanks. The system further includes a gas cleaning unit to strip excessive amounts of volatile organic compounds from gas exhausted during operation of the system thereby producing environmentally benign atmospheric emissions. The system also includes redundant sources of inert gas so that the system can continue to operate in the contingency that one of the inert gas sources temporarily ceases to operate.

Abstract: A bank section (112a, 112b) are formed between a plurality of electrodes (111) which are formed on the base body (2). A functional layer is formed on each electrode (111) by injecting a composition from a plurality of nozzles. A display device is manufactured which is provided bank sections (112a, 112b) between the functional layers formed on the electrode (111). A nozzle array in which a plurality of nozzles are disposed to be inclined in a main scanning direction scans on the base body (2). A liquid drop (110c1) of the composition which is injected initially for each functional layer is injected so as to contact at least a part of the bank sections (112a, 112b).

Abstract: A vacuum cabinet device for storing and keeping dry goods. The vacuum cabinet device includes a housing that has an access opening for accessing an interior of the housing. A door is provided for sealing the access opening. A pump is mounted in the interior of the housing for pumping air out of the interior of the housing whereby a vacuum is created in the interior of the housing. A valve assembly is mounted on the door for permitting air to enter the interior of the housing thereby pressurizing the interior of the housing.

Abstract: A fluid transfer system and method for removing and replacing fluids in a fluid system. The fluid transfer system comprises an output hose coupled to an input line of the fluid system, and a return hose coupled to an output line of the fluid system. The fluid transfer system further comprises a low-level fluid sensor capable of being installed by an operator in a clean tank, and a high-level fluid sensor capable of being installed by the operator in a waste tank. The fluid transfer system further comprises a clean fluid pump for pumping clean fluid from the clean tank to the output hose. The fluid transfer system further comprises an operator adjustable clean fluid regulator to control a flow rate of clean fluid in the output hose, and an operator adjustable waste fluid regulator to control the flow rate of waste fluid in the return hose.

Abstract: Methods and apparatuses are provided for servicing a system having a used fluid, an inlet and an outlet. An exemplary apparatus comprises a first hose capable of being connected to the inlet, a second hose capable of being connected to the outlet, a first fluid tank including a first new fluid, a second fluid tank including a second new fluid, a pump and a selector. The selector selects one of the tanks and the pump pumps the new fluid from the selected tank into the system through the first hose and the inlet, and the second hose receives the used fluid via the outlet. For example, the first and second fluid tanks may communicate with the pump via first and second valves, respectively, and the selector may open the first valve and close the second valve, so that the pump pumps the first new fluid from the first fluid tank.

Abstract: Method and apparatus, for servicing engine cooling systems, including a service inlet, a vacuum pump, a two-way solenoid interposed between the vacuum pump and the service inlet, a service outlet, a disposal hose, a new fluid tank, a pressure pump interposed between the service outlet and the new fluid tank, a three-way solenoid interposed between the service outlet and the two-way, solenoid, a low-level trigger mechanism, a flow control relief valve and other elements to enhance various modes of operation. The apparatus is capable of performing various operations, including closed-loop fluid cycle, fluid vacuum, fluid top-off, fluid exchange and fluid flow control.