EP3710698A1 - Piston pump - Google Patents
Piston pumpInfo
- Publication number
- EP3710698A1 EP3710698A1 EP18807735.8A EP18807735A EP3710698A1 EP 3710698 A1 EP3710698 A1 EP 3710698A1 EP 18807735 A EP18807735 A EP 18807735A EP 3710698 A1 EP3710698 A1 EP 3710698A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- ring
- cylinder
- combined
- characteristic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/013—Reciprocating-piston liquid engines with single cylinder, single-acting piston
- F03C1/0135—Reciprocating-piston liquid engines with single cylinder, single-acting piston with actuation of the return stroke by gravity
Definitions
- the subject of this invention is a piston pump used to transfer liquid from lower to upper level, utilizing gravity for this purpose. It may be used to pump liquids, also in the peak load power station or to pump water in mines. For operation during natural disasters, it would be easy in installation in any hardly accessible area, and it may be also used indoor, e.g. in shelters.
- hydraulic rams To pump water to higher level thee devices called hydraulic rams are used, which houses check valves, and the energy of flowing down water rises pressure in the tank, and this pressure pumps water onto the higher level.
- PL 171953 describes the piston pump that contains a control system, which houses, in two holes, the suction valves and the outlet valves, while at their one end they are connected through a duct with the space above the piston, and the suction hole is located between the suction valves and the outlet is between the outlet valves.
- NL7806787 describes the piston pump whose piston rod has a spherical end that rests on the plastic element. Such construction is to prevent tilting of the piston in the cylinder, that may cause the risk of leakage.
- TW200612036 publication describes the water pump which is equipped with the pump cylinder, water tank, pressurized tank and the pressing cylinder, looking from the machine top downward.
- the pump cylinder is provided with a pipe
- the pressing cylinder has a pipe to discharge water
- the two pipes have check valves
- the pump piston is placed in the pump cylinder and it is located in its lower part through a connecting rod attached to the upper part of the pressurized tank.
- the pressurized tank is equipped with the set of the floating bottom tank, and the first, second and third valve are provided for the pump piston, water tank and the pressurized tank bottom in order to control water discharge time.
- the locking mechanism and the sensor are installed at the machine center to control the pressurized tank falling time.
- the function of continued water pumping and discharge, or water lifting is effected by the use of the pumped water gravity, so that the components operate cyclically and continuously.
- the piston pump used to lift liquids on the higher level that includes the cylinder connected to the outlet pipe through the check valve, is characterized with the piston being a disc and the ring, which during the piston downward stroke create together a tight connection.
- the ring has a circular flange attached to it in the form of a stub pipe, on which the elastic gasket is seated and on which the pressure ring is located, on which the springy gasket is assembled with the thrust ring on it, that is combined with the piston cylinder, while the ring is equipped with brackets with forks, on which the levers are pivoted, articulated with thrust ring and by means of a joint with swivel-mounted arms with a ring which is rotationally mounted on a threaded rod, with a nut, which is rotationally bonded to the piston disc, while the ring has diagonal supports combined with a nut connected threaded to the rod.
- the cross coupler has a nut and is mounted on guides assembled with a pressure disc, and the piston cylinder in the lower part has outflow holes with dampers connected by strands to the spiral springs of the drums fixed to the edge of the pump cylinder.
- the threaded rod has a square tip, which through a cap is combined with a motor spindle.
- levers elements are joined with Roman screws. Such construction facilitates adaptation of the gasket pressure force to the pump cylinder walls.
- displacement elements are installed, especially in the form of air chambers.
- These displacement elements may be made of Styrodur.
- the displacement elements may be fastened to the piston cylinder external walls. The displacement elements facilitate emerging of the piston from the liquid introduced to the pump cylinder.
- At least one of the disc surfaces that contact the piston ring is covered with rubber.
- the pump design has a simple construction and essential advantage of such solution is lack of any emissions to the environments during its operation.
- the object of this invention is demonstrated in the example design in the drawings, where Fig. 1 presents the pump block diagram, Fig. 2 - schematic diagram of the piston sealing in the pump cylinder, Fig. 3 - connection of the piston cylinder damper with the spiral springs of drums mounted on the pump cylinder edge, Fig. 4 - the pump operational diagram in upper position of the piston, Fig. 5 - the pump operational diagram in lower position of the piston, Fig. 6 - A-A top view of the beam with guides and slides of the piston ring, Fig. 7 - B-B cross section view with Fig. 1 , and Fig. 8 - W-W view with Fig. 1 of the cross link mounted on the piston ring slides.
- the cylinder bottom 1 is connected to the outflow pipe 2, on which, in the lowest position, the automatic check valve 3 is installed.
- the pump piston 4 is composed of the disc 11 and the ring 13, that during the piston downward movement create tight joint together.
- the air chamber 12 is fastened to the ring 13, in its shape, that is the piston's displacement element.
- the circular flange 14 is attached to the ring 13, creating together with the walls of the cylinder 1 a space to accommodate the springy gasket 15.
- the clamp ring 16 is located, with which the cylinder 5 is combined being a tank of the piston 4.
- the ring 13 is equipped with the supports 24 with forks, on which the levers 20 are mounted pivotally, connected jointly with the clamp ring 16, and through the joint 17 with the arms 19 pivotally combined with the ring 21 , which is pivotally mounted on the threaded rod 25.
- Location of the ring 21 on the rod 25 is set by the nut 18.
- the rod 25 is combined, through the taper bearing with a cap, with the disc 11.
- the ring 13 has also the slanting supports 22 combined with the nut 23, which screwed on the rod 25.
- Location of the other end of the rod 24 is stabilized with the nut 26 of the cross link 27 mounted on the slides 31 of the piston 4 ring 13.
- the threaded rod 25 has a square tip, which through a cap is combined with the electric motor M flexible spindle 8 that periodically drives the rod 25.
- the dampers 6 In the lower part of the piston cylinder 5 there are outflow holes closed with the dampers 6 that are connected by the connecting rods 30 with the drum spiral springs 31 , mounted on the pump cylinder 1 edge.
- the bumpers 33 On the cylinder 1 the bumpers 33 are mounted, that closes the dampers 6 of the cylinder 5 in the upper position of the piston 4.
- the beam 7 is installed with the lateral arms, to which the pipe guides 29 are fastened, inside which there are movable rods 32 that lead to the piston 4, attached to the piston 4 ring 13.
- the rods 32 mount is movable. In the pipe guides 29 they allow stable position of the piston 4 in the cylinder 1.
- the liquid from the lower tank 9 fills the cylinder 1 , and then by rotation of the threaded rod 25, the disc 11 with the piston 4 ring 13 is closed, and at the same time the Ievers19 and 20 presses the springy gasket 15, that fills the space between the flange 14 and the cylinder 1.
- the piston 4 cylinder 5 dampers 6 are closed.
- the piston 4 is sealed, the piston 4 cylinder 5 is filled with the liquid amount equal to the liquid volume displaced by the piston 4 from the pump cylinder 1 during the work stroke. Weight of liquid in the cylinder 5 increases pressure in the pump cylinder 1 and the check valve opens in the outflow pipe 2, where the liquid is raised with the weight that balances the pressure caused in the cylinder 1.
- Liquid raised to the certain level has a potential energy that may be easily transformed into other type of energy, for example, into electric energy.
- the essential advantage of this solution is lack of emissions during operations, no pollutions to the environment, and the use of gravity force is beneficial both in terms of environmental and natural resources protection, as well as significant energy saving.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL423477A PL423477A1 (en) | 2017-11-16 | 2017-11-16 | Piston pump |
PCT/PL2018/050052 WO2019098864A1 (en) | 2017-11-16 | 2018-10-10 | Piston pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3710698A1 true EP3710698A1 (en) | 2020-09-23 |
EP3710698B1 EP3710698B1 (en) | 2022-06-01 |
Family
ID=64453556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18807735.8A Active EP3710698B1 (en) | 2017-11-16 | 2018-10-10 | Piston pump |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3710698B1 (en) |
PL (2) | PL423477A1 (en) |
WO (1) | WO2019098864A1 (en) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4018547A (en) * | 1975-08-28 | 1977-04-19 | Rogen Neil E | Pumping by wire elongation |
PL341254A1 (en) * | 2000-07-06 | 2002-01-14 | Mikolaj Grudzinski | Gravity-type motor |
KR20040066701A (en) * | 2003-01-19 | 2004-07-27 | 박연수 | Gravity water pump for pumping fluid with gravity |
DE202004006272U1 (en) * | 2004-04-21 | 2004-07-08 | Erhartitsch, Karl | Water pump for pumping water out of a flowing body of water into higher levels has a float and a gravity piston but no motorized driving mechanism |
PL206496B1 (en) * | 2004-05-10 | 2010-08-31 | Bujalski | Compressor storage power station |
TW200612036A (en) * | 2004-10-06 | 2006-04-16 | guo-zhu Jiang | Automatic water gravity water pump |
MA33237B1 (en) * | 2009-02-13 | 2012-05-02 | Le Bemadjiel Djerassem | SYSTEM AND METHOD OF PUMPING |
PL387486A1 (en) * | 2009-03-13 | 2009-09-14 | Jan Prynda | The manner of obtaining of mechanic energy from a carrier, especially liquid or loose and a device for application of this method |
PL412279A1 (en) * | 2015-05-08 | 2016-11-21 | Kazimierz Kurpiel | XX century worth innovative waterfalls for RES for powering air and water turbines. And in the industry for handling loose materials |
-
2017
- 2017-11-16 PL PL423477A patent/PL423477A1/en unknown
-
2018
- 2018-10-10 PL PL18807735.8T patent/PL3710698T3/en unknown
- 2018-10-10 WO PCT/PL2018/050052 patent/WO2019098864A1/en unknown
- 2018-10-10 EP EP18807735.8A patent/EP3710698B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
PL3710698T3 (en) | 2022-11-21 |
EP3710698B1 (en) | 2022-06-01 |
WO2019098864A1 (en) | 2019-05-23 |
PL423477A1 (en) | 2019-05-20 |
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