Abstract: This invention relates in general to a device for controlling the flow of a fluid. The device having a plurality of motor assemblies mounted at equidistant points around a mounting collar. An elongated annular outer casing surrounds and is spaced outwardly from the motor assemblies and defines with the motor assemblies an annular air passage. The outer casing having a central longitudinal axis, an open forward end for receiving ambient air and an open rear end for discharging air forced fluid. The device has a supporting structure on which the outer casing is mounted and a fluid flow assembly. A turntable is coupled to the supporting structure for rotation and an actuating assembly is used for raising and lowering the outer casing, wherein the actuating assembly is coupled between the supporting structure and outer surface of the outer casing.

Abstract: Engines, systems, devices, software, and methods of the present invention provide increased fuel efficiency and emission performance. The engine may include a magnesium alloy cast engine block cast as a mono-block with or without a ceramic inner core and including one or more cylinders designed to provide compression ratio of 10:1 to 14:1. Each cylinder may include one or more laser igniters, one or more supercritical fuel injectors configured to inject the fuel near or in a supercritical state, and carbon dioxide, which may be in the form of engine exhaust gas. The fuel may be diesel, gasoline, or other suitable hydrocarbons that may be cracked into smaller molecules prior to be injected into the cylinder.

Abstract: Disclosed embodiments may relate generally to a micro airflow generator which does not use fan(s) or a heater to generate airflow (for example in a compact optical PM sensor). Rather, disclosed embodiments typically may use induced movement of a membrane/diaphragm element to generate air flow (wherein movement of the membrane in turn induces movement in air). For example, a membrane or diaphragm element could be driven by an (electronic) actuator element, such as an electro-magnetic actuator or piezo disc bender (or some other means of vibrating/moving the membrane element in a way which induced airflow). In some embodiments, the electro-magnetic actuator itself may include a membrane (such that the electro-magnetic actuator might encompass the membrane and the electronic actuator element, such as a magnet and corresponding coil) and/or the piezo disc bender might serve as both the membrane/diaphragm and the electronic actuator element.

Abstract: A multifunctional misting system having a housing assembly, a frame assembly, a recessed mist blower assembly, a valve assembly, a recess control panel assembly, a pump-motor assembly, a tank assembly, a puck assembly, and a handle assembly. The housing assembly has first and second flat panels, a front panel, a rear panel, a top panel, a bottom panel, and locking corners. The frame assembly has a solenoid side frame and a blower side frame, a mix solenoid, and a battery with a battery retainer. The recessed mist blower assembly has a blower and nozzles. The pump-motor assembly has a pump motor, a pump housing and a motor-battery bracket. The handle assembly is positioned onto the top panel of the housing assembly. The multifunctional misting system may operate as a mist blower.

Abstract: A multifunctional misting system having a housing assembly, a frame assembly, a mist blower assembly, a valve assembly, a recess control panel assembly, a pump-motor assembly, a tank assembly, and a handle assembly. The housing assembly has first and second flat panels, a front panel, a rear panel, a top panel, a bottom panel, and locking corners. The frame assembly has first and second frames, and a battery with a battery retainer. The mist blower assembly has a blower and nozzles. The pump-motor assembly is a motor attached to a pump. The motor has a motor-battery bracket fixed to the motor and a spacer. The handle assembly is positioned onto the top panel of the housing assembly. The multifunctional misting system may operate as a mist blower.

Abstract: Engines, systems, devices, software, and methods of the present invention provide increased fuel efficiency and emission performance. The engine may include a magnesium alloy cast engine block cast as a mono-block with or without a ceramic inner core and including one or more cylinders designed to provide compression ratio of 10:1 to 14:1. Each cylinder may include one or more laser igniters, one or more supercritical fuel injectors configured to inject the fuel near or in a supercritical state, and carbon dioxide, which may be in the form of engine exhaust gas. The fuel may be diesel, gasoline, or other suitable hydrocarbons that may be cracked into smaller molecules prior to be injected into the cylinder.

Abstract: The present invention provides a potable pneumatic atomizing device. It includes a mounting seat, a small type fan, a water tank, an ultrasonic atomizing piece and a fixing clip. The small type fan and the water tank are respectively installed on the upper part and the side part of the mounting seat, and an air passage is formed among the small type fan, the water tank and the mounting seat; the mounting seat is provided with a lifting support frame, the lifting support frame stretches the clothes to extend the gap between the clothes and the human body. The ultrasonic atomizing piece is arranged on the top of the water tank and atomizes water in the water tank to release into the gap between clothes and the human body. The small type fan transfers outside air into the air passage, then passing the air passage, into the gap.

Abstract: A cooling tower system and/or fluid cooler that provides desired cooling performance, without the use of pressurized or gravity based nozzle spray systems.

Abstract: A lean MEG stream having a first pH level is contacted with a CO2-rich gas stream to yield a lean MEG product having a second different and lower pH level preferably in a range of 6.5 to 7.0. The system and method can be readily incorporated into a slipstream MEG recovery package, with a source of the lean MEG stream being a MEG regeneration section of the package. The CO2-rich gas could be a vented CO2 stream from the MEG reclamation section of the package. Unlike hydrochloric and acetic acid overdosing, CO2 overdosing of the lean MEG stream does not lead to rapid acidification of the lean MEG product to be stored or injected.

Abstract: The present invention is a micro-bubble generator including a housing, a bubble generator means and a seal means. The bubble generator is securedly received within the housing and has a top, a body positioned downstream from the top and having a diameter smaller than diameter of the inner wall of the housing so that a circumferential gap is formed between an outer lateral surface of the body and the inner wall of the housing, and a recess coaxially extending from the top to a portion of the body, wherein a plurality of water passages extend radially outward from the recess to the outer lateral surface of the body so that each of the water passages is in communication with the circumferential gap. The seal provides selective communication from the plurality of apertures to the top of the bubble generator.

Abstract: An evaporative air conditioner system includes a heat exchanger having an inlet and an outlet and a plurality of passageways between the inlet and the outlet; a pump and nozzle assembly for introducing pressurized air and water to the inlet of the heat exchanger to create a mist of water droplets suspended in air; a vacuum assembly for creating a partial vacuum near the outlet of the heat exchanger to draw the mist through the passageways and to the outlet of the heat exchanger to remove heat from the heat exchanger through evaporative cooling; and a transfer mechanism for moving a medium past the heat exchanger to remove heat from the air without permitting the medium to mix with the mist drawn through the heat exchanger.

Abstract: A system and method of operating the same includes an absorption tank having a compressor communicating gas thereto, a suspended solid filtration tank having a primary inlet, a secondary inlet, a primary outlet and a secondary outlet and a pump comprising a pump inlet coupled to the secondary outlet and a pump outlet communicating fluid to the absorption tank. The absorption tank forms a solution from the fluid and gas. A turbine mechanically couples the pump with a common shaft extending to the pump. The turbine has a turbine inlet coupled to the absorption tank and a turbine outlet coupled to the secondary inlet. The turbine depressurizes the solution. The system may also use a centrifugal pump in place of a turbine and absorption tank.

Abstract: There is disclosed a non-electric portable manually operated misting fan assembly which is formed by a handle for allowing the user to grasp and manipulate the fan assembly, the handle formed by a container adapted to function as a reservoir for a supply of fluid and having an upper end which includes a pump assembly including a pump head extending upwardly therefrom for pumping fluid from the handle container through a fluid nozzle located in the pump head. The fan means are fixedly mounted on the handle and positioned above the pump head, the fan means bounded by an upper end and a lower end, the lower end being accurately formed over the pump head in order to allow the user to position his finger on the pump head to manipulate the pump in order to eject a fluid from the fluid reservoir incident to the fanning procedure.

Abstract: At least one electric atomizing fan is mounted on a portable land craft or a raft. An electric pump delivers pond water to the land craft or raft to evaporate the pond water. A land based power supply powers the pump and the atomizing fans. The either (submersible) pump sends the pond water to a dissipater adjacent the electric atomizing fan to produce a micro droplet mist. Preferably no additional evaporation chamber or heater is used. One embodiment uses a berm/platform to mount a plurality of land craft thereon. Either system could be mounted on a single trailer.

Abstract: Apparatus for dissipating a fragrance or malodor eliminator utilizes an infused disc which a user can place in either a rotating or a fixed position. The two states will dissipate a scent/malodor-eliminator at different rates. The disc is mounted on a shaft that secures the disc in an air stream. The shaft defines several positions at which the disc can be placed, as well as structures to retain the disc at a selected location along the shaft. The shaft is part of a support which includes a mechanism for securing the apparatus within the air stream. Air flow causes the disc to rotate and dissipate at one rate or to pass through a stationary disc at a second, lower rate, as a function of the position of the disc on the shaft. A method of imparting a scent or malodor eliminator to air is also disclosed.

Abstract: This invention provides a device for preserving and dispensing a beverage, having: (a) a housing including one or more compartments, each compartment for storing a beverage container; and (b) one or more dispensing head removably connected to a cartridge, wherein said dispensing head having an aerator for aerating said beverage, wherein said cartridge removably and securely holds a beverage container, wherein said beverage flows from said container to said dispensing head by the force of a pump connected to said cartridge. In one embodiment, the beverage is wine.

Abstract: Provided is a forced evaporative humidifier using nano-vapor, which includes: a housing having an exhaust port formed in an upper surface thereof and a suction port formed at one side of a front surface thereof; a water tank located below the suction port to store water; an injection unit having an injection nozzle located above the suction port, a pump for pulling up the water in the water tank to the injection nozzle, and a transfer tube for transferring the water pulled by the pump; a blowing fan located above the injection nozzle to carry air toward the exhaust port of the housing; a humidifying unit located below the injection nozzle so that films, each having a body surface formed to allow the water injected from the injection nozzle to flow and a plurality of tube-type spacers protruding on the body surface, are stacked in a lateral direction therein; and an eliminator located between the blowing fan and the injection nozzle to prevent water drops included in a humid air humidified by the humidifying u

Abstract: A misting fan including an electric motor and a fan connected to the electric motor. A protective grill surrounds the fan, and includes a front grill portion and a rear grill portion. A plurality of nozzles are positioned of the front grill portion of the protective grill. A fluid manifold is positioned on the front grill portion and includes a fluid inlet and a plurality of fluid outlets, wherein one each of the fluid outlets is in fluid communication with one each of the nozzles.

Abstract: A system and method is described for providing different levels of carbonated water on demand. The system includes a pressurized chamber to hold at least one of water and carbonated water, a gas canister to dispense carbon dioxide (CO2) into the pressurized chamber, a controller to control the dispensing of the CO2 according to level of carbonation required and a valve to vent excess gas from the pressurized chamber after carbonation.

Abstract: A misting system utilizing spent ice comprises a portable housing and an inner frame. The inner frame is secured inside the housing and is configured to receive ice and at least one of food and beverage. The inner frame has an outlet for passing the melted ice. A lid is provided for selectively enclosing the inner frame. The system includes a pump. The pump is inside the portable housing, and is in communication with the inner frame outlet and an outlet of the portable housing. The pump is configured to pump melted ice from the inner frame to the outlet of the portable housing for use as mist.

Abstract: Apparatus and methods are disclosed for facilitating dissolution of one or more gases into a liquid. Preferred gases for use with the apparatus are oxygen, air, and ozone. An apparatus of the present invention includes a dissolution tank that includes a pressure vessel, at least one liquid spray nozzle, and a fluid outlet. The apparatus also includes a gas source, an element for passing fluid into the pressure vessel, and a discharge device connected to the fluid outlet, which discharge device is provided with at least one orifice. Preferred applications include wastewater treatment, treatment of drinking water, fermentation, and bioremediation.

Abstract: This invention provides a device for preserving and dispensing a beverage, comprising: (a) a housing comprising one or more compartments, each compartment for storing a beverage container; and (b) one or more dispensing head removably connected to a cartridge, wherein said dispensing head comprises an aerator for aerating said beverage, wherein said cartridge removably and securely holds a beverage container, wherein said beverage flows from said container to said dispensing head by the force of a pump connected to said cartridge. In one embodiment, the beverage is wine.

Abstract: There is disclosed a non-electric portable manually operated misting fan assembly which is formed by a handle for allowing the user to grasp and manipulate the fan assembly, the handle formed by a container adapted to function as a reservoir for a supply of fluid and having an upper end which includes a pump assembly including a pump head extending upwardly therefrom for pumping fluid from the handle container through a fluid nozzle located in the pump head. The fan means are fixedly mounted on the handle and positioned above the pump head, the fan means bounded by an upper end and a lower end, the lower end being accurately formed over the pump head in order to allow the user to position his finger on the pump head to manipulate the pump in order to eject a fluid from the fluid reservoir incident to the fanning procedure.

Abstract: A bubble generating device includes a body having a front cover and a rear cover connected to the front cover. The front cover has a nozzle which has a passage defined therein. The rear cover has a space defined therein. A connection tube is connected to the rear cover and has a through hole so as to be connected with a spray gun. A bubble generating unit has a first net member and a second net member, both of which are located in the space. The space is defined into an expansion area, a pressure area and a bubble accumulating area by the first and second net members. The detergent is delivered into the expansion area and generates bubbles in the bubble accumulating area. The bubbles are accumulated into big lump of bubbles and sprayed by the air stream.

Abstract: Humidifying apparatus includes a humidifier for emitting moist air into an external environment, and a fan assembly for generating an air current within the external environment for conveying the emitted moist air away from the humidifier. The fan assembly includes a device for creating an air flow and a nozzle including an interior passage for receiving the air flow and a mouth for emitting the air flow. The humidifier is located behind nozzle, the nozzle extending about and defining an opening through which both air from outside the nozzle and the moist air emitted from the humidifier are drawn by the air flow emitted from the mouth.

Abstract: A domestic humidifier (10) is disclosed as including a water tank (34) for containing water, a basin (30) in a liquid communicable relationship with the tank (34), an adsorption medium (28) for breaking down water delivered to the adsorption medium (28) into water droplets floatable in air, a pump (22) for delivering water from the basin (30) to the adsorption medium (28), in which the tank (34) includes a water inlet (36) and a cover (38), and the cover (38) is movable to selectively close or open said water inlet (36).

Abstract: An air humidifier comprises a case. An opening water tank can be independent under the humidifier case. The inside of the case is including a device for transforming water into vapor.

Abstract: A plurality of atomizing fans are mounted on a portable land craft. A pump delivers pond water to the land craft to evaporate the pond water. A land based generator powers the pump and the atomizing fans. The entire system could be mounted on a single trailer.

Abstract: A vehicle misting device and method that is operable is dry and humid environments are provided. The device may also include a payment system and fan.

Abstract: A foam assembly connectable to a liquid container includes a main pump body, a resiliently deformable piston dome, an air chamber, a liquid chamber, a mixing zone and a porous member. The main pump body has an exit nozzle with the porous member therein. The air chamber and the liquid chamber are each defined by the piston dome and the main pump body. The liquid chamber has a liquid inlet valve and a liquid outlet valve. The mixing zone is in flow communication with the air chamber and the liquid chamber. The volume of the air chamber and the liquid chamber are each dependent on the position of piston dome and during an activation stroke the piston moves from the at rest position to the depressed position and responsively the volume of the air chamber and the volume of the liquid chamber are reduced.

Abstract: A CPAP humidifier system includes an air pump, a humidifier tank, a control valve, and an auxiliary reservoir. The humidifier tank has an air inlet opening and an air outlet opening. The air inlet opening fluidly connects to the air pump, and the air outlet opening fluidly connects to an air mask. The control valve is attached to the air outlet opening and defines both an air outlet passageway and a liquid inlet passageway. The auxiliary reservoir fluidly connects to the liquid inlet passageway for providing liquid to the humidifier tank.

Abstract: A diffuser apparatus which has fine pores is capable of achieving a high oxygen transfer efficiency and rarely becoming clogged so that the apparatus can be operated stably over a prolonged period. The diffuser apparatus includes: an aeration plate that is disposed in an aeration tank in order to release pressurized air, fed from a diffusing air feed pipe, as air bubbles from fine pores formed in an aeration plate surface; blow water feeder for feeding blow water into the diffusing air feed pipe; and an inserted pipe for discharging the blow water, fed into the diffusing air feed pipe, from the aeration plate.

Abstract: A system and method of injecting a gas enriched and/or emulsified first liquid into a second liquid is disclosed. The injection can cause generation of a high density of bubbles having a mean diameter of a selected size. The mean diameter of the bubbles can be selected and varied based on the characteristics of the injection system.

Abstract: A misting device for a boat featuring a fan component mounted atop an adjustable fan shaft; a connector disposed on the fan shaft for operatively connecting the misting device to the boat's factory light for obtaining power; a water pump mounted in the fan shaft, the water pump has a water line for inserting into a lake or a water tank; at least one filter component disposed in the water line; and a tubing fluidly connecting the water pump to a nozzle disposed on the fan component, wherein the water pump functions to pump water from the lake or water tank through the tubing to the nozzle where the water is ejected from the nozzle as mist.

Abstract: A fan system for use on oil and gas rigs. The system includes a hydraulic motor for generating a rotational force from a hydraulic fluid, a water pump member for pumping water, a control member for controlling the flow of hydraulic fluid and water. The system also includes a fan device having a plurality of individual blades for providing an airflow, with the fan device being operatively connected to the hydraulic pump member and a nozzle connected to the water pump member for spraying a mist, with the nozzle containing a variable opening for varying the pressure and volume of water discharged. A leak path is provided for capturing and channeling leaking fluids so that fluids are contained within the fan device not in the air stream.

Abstract: A high-velocity water misting gun with a very high-speed radial inflow hydraulic turbine mounted on the same shaft with an axial flow air compressor wheel compressing air discharged at high velocities through an exhaust air nozzle. All of the water discharging from the hydraulic turbine wheel is channeled directly into a water misting nozzle providing a fine water mist discharging into a high-velocity air flow provided by the axial-flow compressor. Preferred embodiments utilize a manually operated ball valve to control water pressure supplied to the gun. A second valve is a manually operated turbine water bypass valve that is integral part of the preferred embodiment which allows for change of turbine power and air flow independently of water flow. With turbine water bypass valve open, most of the turbine flow is bypassed around the turbine and directly into the water misting nozzle, increasing the water flow and decreasing the air flow and air velocity.

Abstract: An apparatus and method for mixing gas and liquid including a pipe having an enclosure positioned in-line with the pipe, wherein a sealed space is defined, at least one blower, the blower regulates the barometric pressure in the sealed space at or above fluid line pressure in the pipe, wherein intermeshed rotating sets of discs operate on parallel shafts driven by variable speed drives, and strakes are radially mounted on the discs to carry liquid up into a mixing area and to carry air and liquid down into a mixing area resulting in a shear force that drives air into the oxygen depleted liquid. Strakes provide leading and trailing rotor wipes to maximize pull of liquid flow from the pipe into the mixing area and back into the pipe and acute angled energy capture strakes for capturing the energy from liquid flow exerted against the back side of strake.

Abstract: An air cleaning humidifier having a disc assembly performing a purifying function and a humidifying function of indoor air, and a disc assembly thereof. The air cleaning humidifier includes a main body, a tub provided in the main body, an air blower fan to generate an air current in the tub, and a disc assembly rotated under the condition that a part of the disc assembly is disposed in the tub. The disc assembly includes a disc member provided with assembly parts formed by cutting parts of the disc member, at least one plate member disposed at one side of the disc member, and at least one fixing member formed on at least one plate member to fix the assembly parts, and each of the at least one fixing member includes a protrusion part respectively inserted into the assembly parts, and a water storage part.

Abstract: A domestic humidifier (10) is disclosed as including a water tank (34) for containing water, a basin (30) in a liquid communicable relationship with the tank (34), an adsorption medium (28) for breaking down water delivered to the adsorption medium (28) into water droplets floatable in air, a pump (22) for delivering water from the basin (30) to the adsorption medium (28), in which the tank (34) includes a water inlet (36) and a cover (38), and the cover (38) is movable to selectively close or open said water inlet (36).

Abstract: A vehicle misting device and method that is operable is dry and humid environments are provided. The device may also include a payment system and fan.

Abstract: A tower/frame structure of interconnected columns and beams (which may be used in a cooling tower) and novel columns, beams, connection mechanisms and other components are provided. In one embodiment, a column and a beam are constructed of pultruded composite fiber-reinforced plastic (FRP) materials. The beam includes two sidewall extensions or flanges (each having one or more attachment apertures) at one end and which are integral with the beam for connection to the column (having one or more corresponding attachment apertures). The dimension/spacing between the inner walls of the two flanges substantially equals or is slightly larger than the outer dimension of the column. The attachment holes are aligned and a fastener is inserted through the extensions and column for attaching the column and beam. The C-shaped end of the beam substantially conforms to the cross-sectional shape and dimensions of the column.

Abstract: The present invention relates generally to portable cooling devices. More specifically, the present invention relates to compact, portable bladeless fans featuring water misting capabilities for improved cooling functionality.

Abstract: Humidifying apparatus includes a humidifier for emitting moist air into an external environment, and a fan assembly for generating an air current within the external environment for conveying the emitted moist air away from the humidifier. The fan assembly includes a device for creating an air flow and a nozzle comprising an interior passage for receiving the air flow and a mouth for emitting the air flow. The humidifier is located behind nozzle, the nozzle extending about and defining an opening through which both air from outside the nozzle and the moist air emitted from the humidifier are drawn by the air flow emitted from the mouth.

Abstract: A misting system utilizing spent ice comprises a portable housing and an inner frame. The inner frame is secured inside the housing and is configured to receive ice and at least one of food and beverage. The inner frame has an outlet for passing the melted ice. A lid is provided for selectively enclosing the inner frame. The system includes a pump. The pump is inside the portable housing, and is in communication with the inner frame outlet and an outlet of the portable housing. The pump is configured to pump melted ice from the inner frame to the outlet of the portable housing for use as mist.

Abstract: An improved portable misting fan device of the type formed by a body carrying fan means for creating and moving a stream of air, the body further provided with a reservoir and having a power source for driving the fan means and electrical means for driving the power source which further includes a powered mist generator having driving means and an actuator for actuating the mist generator, the mist generator being in fluid communication with the reservoir and a mist nozzle adapted to receive a fluid mist from the mist generator and deliver the same into the air stream created by the fan means.

Abstract: The invention relates to a device for stirring a liquid in a reactor and for injecting a gas into the said liquid in order to form a gas-liquid dispersion, comprising a) a drive device (1) positioned above the reactor, provided with a vertical output shaft (2) fitted at its lower end with at least one axial flow rotor (4) immersed in the liquid, b) means for introducing gas (3 and 7) above the axial flow rotor (4), c) a deflector (5) placed above the axial flow rotor (4) preventing the gas-liquid dispersion from rising, and d) a deflector (6) placed below the axial flow rotor (4) converting the axial flow of the said axial flow rotor into a radial flow. This device may be used in shallow basins.

Abstract: An apparatus for mixing a high-viscosity material with a gas and transferring the high-viscosity material mixed with the gas. The apparatus includes a piston pump, a high-viscosity material supply device for supplying a high-viscosity material to the cylinder, a gas supply device for supplying a gas to the cylinder, a piston drive device for driving the piston of the piston pump, a piston stopping device fixed in the cylinder for stopping the piston, a valve device for a high-viscosity material for selectively opening and closing a passage for communication between the high-viscosity material supply device and the cylinder of the piston pump, and a valve device for a gas for selectively opening and closing a passage for communication between the gas supply device and the cylinder of the piston pump.

Abstract: A method for processing wastewater includes the steps of introducing air and a liquid into a pump, and subjecting the air and liquid to high heat and pressure; delivering the heated and pressurized air and liquid from the pump to a gas and liquid separator to separate the air from the liquid; expanding the air from the gas and liquid separator through a nozzle to accelerate the air as it expands; injecting at least some portion of the wastewater to be processed into the air from the nozzle in an entrainment section downstream from the nozzle to entrain the wastewater into the air; passing the liquid portion from the gas and liquid separator through a valve to lower the pressure of the liquid to achieve flash evaporation of the liquid to produce water and steam; introducing the water and steam produced from the valve into the air and entrained wastewater in the entrainment section, to enhance entrainment of water into the air; and delivering the air and entrained wastewater from the entrainment section to an i

Abstract: Apparatus and methods are disclosed for facilitating dissolution of one or more gases into a liquid. Preferred gases for use with the apparatus are oxygen, air, and ozone. An apparatus of the present invention comprises a dissolution tank that includes a pressure vessel, at least one liquid spray nozzle, and a fluid outlet. The apparatus also comprises a gas source, means for passing fluid into the pressure vessel, and a discharge device connected to the fluid outlet, which discharge device is provided with at least one orifice. Preferred applications include wastewater treatment, treatment of drinking water, fermentation, and bioremediation.

Abstract: A vapor contact-type heating device which achieves a high-quality heat treatment is provided by increasing the mixing efficiency of vapor and supplying vapor at a relatively low pressure. By providing a pressurizing duct 45 of the liquid within a vapor mixing pump 4 as a fluid transfer device and providing a vapor supply port 46 on a casing 43 in such a manner that the vapor supply port 46 opens to this pressurizing duct 45, a vapor supply region 47 is formed in the pressurizing duct 45.