MXPA98008140A - Flu pressure amplifier - Google Patents

Abstract

A fluid pressure amplifier comprises a tube for flowing fluid, and having a set of holes formed therein, through which fluid can flow from inside the tube in use, and a sealing element that can be elastically moving adjacent to the tube, and operatively responding to the fluid inlet pressure in the tube, wherein the fluid inlet pressure causes the sealing element to oscillate between conditions that alternately allow and prevent fluid from passing through. holes, whereby the fluid that comes out of the tube has a higher pressure driven. It is intended that the amplifier be used especially to increase the pressure of water flowing through a tube submerged in a river, to provide a pumping action to a level more than

Description

FLUID PRESSURE AMPLIFIER FIELD OF THE INVENTION This invention relates to a fluid pressure amplifier, especially for increasing the pressure of the water flowing in a tube.

BACKGROUND AND OBJECT OF THE INVENTION It is known that water can be drawn from a limited and known depth, and can be lifted by the action of reciprocal pumping to specifically calculated heights. Water can also be drawn from known depths, and can be raised by the rotating action of a propeller. It is known that water and other fluids, including air, are substantially incompressible, and this forms the basis of much engineering practice today, which includes reciprocating and rotating pumps for water, and reciprocating and rotary compressors for air. . The object of the present invention is to increase the pressure of fluids, such as air and water, without the use of mechanical or electrical energy. The invention is especially intended to increase the outlet pressure of the fluid in a tube where the inlet pressure is low, for example, where the tube is submerged in a river, or where the tube is connected to a source of fluid at low pressure.

PREFERRED MODALITIES OF THE INVENTION In accordance with a first aspect of the invention, a fluid pressure amplifier comprises a tube for flowing fluid, and having a set of holes formed therein, through which the fluid can flow. fluid from inside the tube in use, and a sealing element that can move elastically adjacent to the tube, and that responds operatively to the fluid inlet pressure in the tube, where the fluid inlet pressure causes the sealing element oscillate between conditions that alternately allow and prevent the fluid from passing through the orifices, through which the fluid exiting the tube has a higher driven pressure. The sealing element can surround the tube, and can comprise an annular ring that can move elastically in a chamber formed around the tube, the chamber having an annular fluid outlet which can be sealed by the sealing element, or a sleeve member which can be moved slidably between positions where the holes are opened and closed, respectively. Where the sealing member comprises a ring, the annular chamber can be defined by a cover having a sealant surface of the sealant, constituted by a seat formed by profiling the inner surface of the cover. In the rest or open position, the sealing ring can be stopped in its position in a groove or recess provided in the outer wall of the tube, or by an erect rib or collar around the conduit. Preferably, the obturator is annular, and comprises an elastomeric or elastic material, for example, a rubber or plastic material. Preferably, the cover is cylindrical, although it can be configured in another form according to the use. In use, a restriction element, flow, for example, a nozzle or a non-return valve, can be connected to the outlet end of the tube, causing a back pressure of the fluid in the tube. The fluid inside the tube can pass through the holes into the chamber. By causing resistance to direct axial flow through the tube by the flow restriction element, the plug will be forced by the fluid, to move up to a stop against the seat of the cover, fluid flowing through the tube, and forced to exit through the restriction element at a higher speed. The flow restriction element may be separated from, or may be integral with, the downstream end of the tube. Optionally, a non-return valve may be integral with the tube, and may be provided internally thereto. The fluid that passes through the orifices of the tube in the open condition of the sealing element, it can be collected and recycled, or it can be driven to waste. By varying the density, elasticity, shape, dimensions, and sections of the material comprising the sealing element, the pressure and velocity of the fluid passing through the outlet of the tube can be increased or decreased. The shape and nature of the sealing element can be varied, or can accommodate variations in the inlet pressure. In another embodiment, the sealing element comprises an elastic body carried inside a chamber in communication with the holes formed in the tube, the chamber including a sealing surface against which the elastic body is forced under a greater fluid pressure in the chamber. Alternatively, a diaphragm or a valve member can respond to the increased fluid pressure, to adopt a sealing position of the chamber against the influence of a force tending to open the valve. The elasticity of the body or the force influence can be adjustable. In another aspect, the invention provides a method for amplifying the pressure of the fluid flowing through a tube, the method comprising the steps of alternately allowing and preventing fluid from flowing through the orifices formed in the tube, to provide a increased pressure in the outlet pressure of the tube, the fluid acting or an elastically movable obturator element, to cause its oscillation between positions that alternately allow and prevent the flow of fluid through the orifices. The oscillation of the sealing element is caused by a combination of the fluid pressure from behind the sealing element and a zone of reduced pressure created in its front, to force the sealing element towards the sealing condition, and tending its elasticity to move the element obturator to the open condition, the oscillation speed of the fluid pressure through the orifices and the shutter element parameter being dependent. The method for the amplification of the fluid pressure according to the invention has many uses; it can be used, for example, to raise the temperature of the water; can aerate dirty water establishments in ponds or tanks; It can cut through solids, and can be used to power power generation machinery, or for the propulsion of boats through water.

BRIEF DESCRIPTION OF THE DRAWINGS The embodiments of the invention will now be described by way of example, with reference to the accompanying drawings, in which: Figure 1 illustrates a fluid flow amplifier using a ring located on the outside of an in-line tube. Figure 2 shows a captive elastic sphere inside a chamber arranged around an in-line tube. Figure 3 shows a captive diaphragm inside a chamber arranged around an in-line tube. Figure 4 illustrates the use of a captive compression spring inside the tube. Figure 5 shows the use of two captive compression springs inside the tube, to provide the amplification of the fluid flow.

DETAILED DESCRIPTION OF THE INVENTION Referring to Figure 1, a tube 10 is provided with a plurality of holes 11, and a small aperture exit nozzle 12. Around the tube 10 is secured a housing 13 defining a chamber 14, the which has an annular opening 15, and is in communication with the holes 11. Inside the chamber 14 there is provided a ring of rubber, plastic, or other elastic material 16, which fits comfortably on the outside of the tube 10, and can locate within a surface groove 17 provided around the outside of the tube 10. Alternatively, a rib or collar could be provided in front of the ring 16. The chamber 14 is internally configured to provide a sealing face or seat 18 for the ring 16. Under relatively low fluid pressures in the tube 10 and in the chamber 14, the gap between the ring 16 and the seat 18 remains open, and therefore, can flow in l fluid through the annular opening 15, either to be recycled, or to allow it to flow towards the waste. However, under a higher fluid pressure in the tube 10, there will be an increase in pressure in the chamber 14, possibly improved by the back pressure from the nozzle 12, and this pressure will cause the ring 16 to roll or distort its shape towards the seat 18. When the ring 16 abuts against the seat 18, the annular opening 15 is closed, and the fluid flows forward through the nozzle 12 at a higher pressure. The elasticity of the ring 16 forces it away from its sealing position, and causes rapid or slow pulses inside the chamber 14 and the tube 10. Accordingly, it can be seen that the pressure applied to the fluid exiting through the nozzle 12 is may vary by reducing or increasing the size of its opening, and reducing or increasing the density or elasticity of the material comprising the ring 16. It will be understood that there may be methods for securing the chamber 14 to the exterior of the tube 10, and it will also be understood that the The internal diameter of the tube 10 can be coupled to any desired fluid flow. The tube 10 may be of any suitable material commensurate with the requirements of the fluid inlet flow. The invention can transfer solids in suspension into the fluid. Referring to Figure 2, the tube 20 is provided with a plurality of holes 21, and will have a nozzle at the downstream end (not shown). Around the outside of the tube 20, there is provided a chamber consisting of a cylindrical body 22 having a cap member adapted with thread 23, formed with an internally projecting chamfered flange 24. The chamber contains an elastic sphere 25 located in the middle position in relation to the plurality of holes 21. Above the sphere 25 there is provided a fastener with screw thread 26, which can be pressed against or removed from the sphere 25. Inside the chamber, the flange 24 provides a seat against which the sphere 25 can be butted, as shown by the dotted lines, under fluid pressure in the chamber. Fluid flow can occur through the sphere 25 and out from the chamber, until the sphere rests against the seat of the flange 24. A flow of fluid under a better pressure in the tube 20 will be presented, when the sphere 25 seals the flow from the chamber, and will take place through the nozzle in the end downstream of the tube 20. With reference to Figure 3, a diaphragm of elastic material 30 has replaced the sphere 25 inside the chamber 31, of a reduced internal volume. Other features described for Figure 2 apply to the apparatus of Figure 3. With reference to Figure 4, a tube 40 is shown through which a plurality of openings 41 are provided. Inside the tube 40 there is a compression spring 42 captive between two annular rings 43, 44, whose internal marginal portions project into the lumen of the tube; the rings are respectively disposed on each side of the openings 41. The tube 40 is provided with a nozzle at the downstream end, and with a non-return valve at the upstream end (not shown). A sleeve 45 is provided around the outside of the tube 40; the sleeve is operatively connected to the upstream annular ring 43, for its axial sliding movement, and has an annular opening 46 of a limited sectional area. The flow of fluid through the non-return valve is resisted by the nozzle, and exits through the openings 41, until the fluid pressure moves the ring 43 forward, to cause the liner 45 to close the openings 41. The ring 43 abuts against the ring 44, and maintains the closure of the openings 41 during short repetitive periods throughout the entire use of the apparatus, for any use in which it is applied. Referring to Figure 5, two compression springs 52, 53 are provided within a tube 50, through which a plurality of openings 51 are provided. Between the two compression springs 52, 53, a double valve is provided. effect 54, which can move freely inside the tube 50. In this embodiment, the spring 52 is forced to compress, by the flow of fluid along the tube 50, and will cause the double-acting valve 54 to close the openings 51. Then the fluid will be forced forward through the tube 50, towards the nozzle (not shown) at the downstream end of the tube. The double acting valve 54 will compress the spring 53, which is captive against the tube insert 55. In the above description, the action of the fluid flow through the examples of the amplifiers described herein, is one of pulses slow or fast which, in some cases, is almost imperceptible, but which produces continuity. The pressure improvement can be obtained by varying the area of the outlet nozzle, and by varying the components described herein, such as the elastic ring, the sphere or the diaphragm, or the compressive strength of the springs. In operation, the fluid pressure amplifier can lift water up to thirty or forty times the distance of any static charge or other pressure increase to the fluid flowing in the inlet tube.

Claims (9)

NOVELTY OF THE INVENTION Having described the foregoing invention, it is considered as a novelty, and therefore, the content of the following is claimed as property: CLAIMS

1. A fluid pressure amplifier, which comprises a pump body (10) having an input element for the flow of fluid through the pump body at an inlet pressure, an outlet element for fluid at the increased pressure, and an elastically movable fluid sealing element (16) operatively responding to the fluid inlet pressure in the pump body, characterized in that the pump body comprises a pump chamber having a seat of the annular valve, and the sealing element is configured to cooperate with the valve seat in movement between the respective open and sealing conditions of the chamber, whereby, the fluid passing through the outlet element has a higher pressure driven.

2. A fluid pressure amplifier according to claim 1, characterized in that it includes a flow restriction element (12) associated with the fluid outlet element at higher pressure.

3. A fluid pressure amplifier according to claim 1 or claim 2, characterized in that the sealing element (16) comprises an annular ring that can move elastically in the chamber (14), having the chamber an annular fluid outlet (15) which can be sealed by the sealing element.

4. A fluid pressure amplifier according to claim 3, characterized in that the input element comprises a tube, and the chamber (14) is defined by a cover (13) surrounding the tube, and it has a sealant surface (18) of the obturator, constituted by a seat formed by profiling the inner surface of the cover.

5. A fluid pressure amplifier according to claim 1, characterized in that the sealing ring (16) stops in the rest or open position, in a groove or recess (17) provided in the external wall of the container. tube.

6. A fluid pressure amplifier as claimed in any of the preceding claims, characterized in that the sealing element comprises a diaphragm valve member (30).

7. A method for amplifying the pressure of the fluid flowing through a pump body (10) between the inlet and outlet elements formed in the body, characterized in that the pump body comprises a pump chamber having a seat of the annular valve, and the method comprises allowing the fluid to act at the inlet pressure on an elastically movable obturator element, to cause its oscillation between positions that open and alternately seal the chamber, whereby a greater pressure driven to the fluid flowing through the outlet element.

8. A fluid pressure amplifier according to claim 1, characterized in that a diaphragm or valve member that responds to the greatest fluid pressure is adapted to adopt a sealing position of the chamber against the fluid. influence of a force that tends to open the valve.

9. A method for amplifying the pressure of the fluid flowing through a tube, the method comprising the steps of alternately allowing and preventing fluid from flowing through the orifices formed in the tube, to provide an increased pressure boost at the outlet of the tube, the fluid acting on a sealing element that can move elastically, to cause its oscillation between positions that allow and alternatively prevent the flow of fluid through the orifices.