In an aspect of the invention there is provided a method comprising: pumping fluid from a first source of fluid into a first, motive, fluid store by means of a mechanical pump and storing the fluid under pressure in the first fluid store; releasing fluid under pressure from the first fluid store and supplying the fluid to a motive fluid inlet of a first ejector; drawing further fluid from the first or a further fluid source into the pumping inlet of the first ejector by means of the fluid supplied to the motive fluid inlet; storing fluid output from an outlet of the first ejector in a second fluid store.
F04B 41/02 - Pumping installations or systems specially adapted for elastic fluids having reservoirs
E21B 41/00 - Equipment or details not covered by groups
F04F 5/18 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for compressing
F04F 5/54 - Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
09 - Scientific and electric apparatus and instruments
11 - Environmental control apparatus
37 - Construction and mining; installation and repair services
41 - Education, entertainment, sporting and cultural services
42 - Scientific, technological and industrial services, research and design
45 - Legal and security services; personal services for individuals.
Goods & Services
Ejectors being parts of machines and ejector related technologies being parts of machines for solving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries, namely, flare gas recovery ejectors, ejectors for hydrogen fuel production, compression and storage, ejectors for the desalination of water, ejectors for use in removing pesticides, ejectors for gas compression, ejectors for sand management, sulphur recovery ejectors, steam ejectors, subsea ejectors, ejectors for heating fluids in storage tanks, air ejectors, ejectors for chemical dosing, and ejectors for water treatment; ejector related technologies for solving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries, namely, tank jet mixing machines; thermocompressors in the nature of gas compressors, temperature and pressure reducing stations in the nature of thermostatic control valves for machines, all mounted on a support skid, for reducing steam temperature; liquid jet pumps in the nature of fluid dosing machines for chemical dosing, and liquid jet compressors for machines for water treatment; none of the foregoing for use in connection with the movement or disposal of solid waste or soiled linens, or pneumatic tube conveying Ejector related technologies for solving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries, namely, temperature reducing stations in the nature of temperature sensors and pressure transmitters, all mounted on a support skid for reducing steam temperature Ejector related technologies for solving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries, namely, potable water treatment apparatus for use in water purification, namely, portable Powdered Activated Carbon (PAC) dosing system comprised of industrial containers in the nature of water purification dosing units using ejectors to treat water; ejector related technologies for solving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries, namely, jet heaters in the nature of industrial fluid heaters Repair of ejectors and ejector related technologies, not including computer software, for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries Training end users on the operation of ejectors and ejector related technologies for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries. Inspection, for quality control purposes, of ejectors and ejector related technologies for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries; Performance testing of ejectors and ejector related technologies for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries; Custom design and engineering of ejectors and ejector related technologies for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries; Conducting studies and simulations for solving fluid flow and industrial problems using ejectors and ejector related technologies Inspection, for safety purposes, of ejectors and ejector related technologies for resolving fluid flow and industrial problems in the environmental, oil and gas, water treatment and management, nuclear engineering, sanitation, chemical, food, pharmaceutical and mining industries
An ejector device comprises a housing (110) having a motive fluid inlet (111) to receive motive fluid, a suction fluid inlet (112) to receive suction fluid and a fluid outlet (113) to output the motive fluid and the suction fluid. The ejector device comprises a nozzle and diffuser assembly (150) configured to fit within the housing (110). The nozzle and diffuser assembly (150) comprises a nozzle (160), a diffuser (170) and a connecting structure (180) connecting the nozzle (160) to the diffuser 170. The connecting structure (180) is configured to permit fluid flow between the nozzle (160) and the diffuser (170). The connecting structure (180) has apertures (182) configured to allow fluid to be drawn into the fluid flow between the nozzle 160 and the diffuser (170).
F04F 5/10 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
F04F 5/04 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
F04F 5/20 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for evacuating
F04F 5/24 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing liquids, e.g. containing solids, or liquids and elastic fluids
An apparatus (100) comprises an inlet (102) configured to receive a gas from outside the apparatus and a fluid ejector device (110). The fluid ejector device (110) comprises a suction inlet (112) configured to receive the gas, a motive fluid inlet (111) configured to receive a motive fluid and an outlet (113) configured to output an output fluid. An output flow path (115) is connected to the outlet of the ejector (110). The output flow path (115) has an outlet (119) configured to output fluid from the apparatus. A return flow path (116) is connected between the output flow path (115) and the motive fluid inlet (111) of the ejector. The return flow path (116) is configured to tap a portion of the output flow as a source of the motive fluid. The fluid ejector (110) is configured to condense the gas received via the suction inlet (111) to a liquid or a supercritical fluid.
F04F 5/04 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
F04F 5/54 - Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
An ejector device comprises a housing (110) having a motive fluid inlet (111) to receive motive fluid, a suction fluid inlet (112) to receive suction fluid and a fluid outlet (113) to output the motive fluid and the suction fluid. The ejector device comprises a nozzle and diffuser assembly (150) configured to fit within the housing (110). The nozzle and diffuser assembly (150) comprises a nozzle (160), a diffuser (170) and a connecting structure (180) connecting the nozzle (160) to the diffuser 170. The connecting structure (180) is configured to permit fluid flow between the nozzle (160) and the diffuser (170). The connecting structure (180) has apertures (182) configured to allow fluid to be drawn into the fluid flow between the nozzle 160 and the diffuser (170).
F04F 5/02 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
F04F 5/04 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
F04F 5/10 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
F04F 5/14 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
F04F 5/16 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
F04F 5/24 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing liquids, e.g. containing solids, or liquids and elastic fluids
An ejector device (1), e.g., for pumping a gas using a liquid motive fluid, has an injector portion (100), and a diffuser portion (50), the injector portion (100) being arranged for injecting a flow of motive fluid from a motive fluid inlet (10) into an inlet section (52) of the diffuser portion (50) thereby to draw a suction fluid from a suction fluid inlet (20) into the inlet section (52) of the diffuser portion (50). The injector portion (100) includes a flow-modifying arrangement with at least one rotational deflector element (104), e.g., three vanes (104V1, 104V2, 104V3) each at a desired twist angle, constructed and arranged to deflect motive fluid into a helical path as it moves over or through the rotational deflector element (104), and at least one baffle element (103), e.g., a baffle plate (103), downstream of the rotational deflector element (104).
F04F 5/42 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow characterised by the input flow of inducing fluid medium being radial or tangential to output flow
F04F 5/04 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing elastic fluids
An ejector device (1), e.g. for pumping a gas using a liquid motive fluid, comprising: an injector portion (100), and a diffuser portion (50), the injector portion (100) being arranged for injecting a flow of motive fluid from a motive fluid inlet (10) into an inlet section (52) of the diffuser portion (50) thereby to draw a suction fluid from a suction fluid inlet (20) into the inlet section (52) of the diffuser portion (50); wherein the injector portion (100) comprises a flow-modifying arrangement comprising: at least one rotational deflector element (104), e.g. comprising three vanes (104V1, 104V2, 104V3) each at a desired twist angle, constructed and arranged to deflect motive fluid into a helical path as it moves over or through the rotational deflector element (104), and at least one baffle element (103), e.g. a baffle plate (103), located downstream of the rotational deflector element (104).
F04F 5/42 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow characterised by the input flow of inducing fluid medium being radial or tangential to output flow
An ejector device (100) for compressing and pumping a fluid, especially a gas, comprises: an injector portion (110), and a diffuser portion (150), the injector portion (110) being arranged for injecting a motive fluid from a motive fluid inlet into the diffuser portion (150) thereby to draw a suction fluid into the diffuser portion (150) from a suction fluid inlet (120), and the diffuser portion (150) including a Venturi portion comprising a converging inlet section (152), a throat section (154) and a diverging outlet section (156), wherein the throat section (154), which is preferably smooth-walled with a uniform diameter along its length, has a length Lt defined by the following equation (I): Lt > x Dt (I), where Dt is the diameter of the said throat section (154) and x is a number (especially an integer) greater than 6, preferably greater than 7, especially a number in the range of from about 10 up to about 50. In embodiments the injector portion (110) of the ejector device (100) additionally comprises a rotational deflector element (180), constructed and arranged to rotate motive fluid as its passes from the motive fluid inlet into the diffuser portion (150), comprising a plurality of helical deflector vanes (182a, 182b, 182c) arranged for imparting helical rotation to the motive fluid as its passes the said vanes (182a, 182b, 182c), each said deflector vane (182a, 182b, 182c) having: a longitudinal length being approximately equal to or less than a diameter of the injector portion (110); and a radial twist angle of greater than approximately 30°, preferably a twist angle in the range of from about 35 or 40 ° up to about 80 or 90 °.
F04F 5/42 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow characterised by the input flow of inducing fluid medium being radial or tangential to output flow
In an aspect of the invention there is provided fluid pump apparatus comprising a plurality of ejectors, the apparatus having at least one motive fluid inlet arranged to supply motive fluid to the apparatus, at least one suction fluid inlet arranged to supply suction fluid to the apparatus and a common discharge outlet from which motive fluid and suction fluid that have passed through the ejectors may be expelled from the apparatus, each ejector having a respective injector portion and a respective diffuser portion, the injector portion being arranged to inject motive fluid from at least one said at least one motive fluid inlet into the diffuser portion thereby to draw suction fluid into the diffuser portion from at least one said at least one suction fluid inlet, the diffuser portion having a Venturi portion, each ejector having a respective flow stabilisation portion downstream of the Venturi portion thereof, the flow stabilisation portion being arranged to stabilise a flow of motive fluid and suction fluid therethrough before the respective flows of fluid through each ejector meet downstream of the ejectors, wherein the flow stabilisation portion comprises a flow stabilisation conduit of substantially constant diameter and a length substantially equal to at least the diameter thereof.
F04F 5/10 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
