EP2993346A1 - Magnetic system for vibrating piston pumps - Google Patents

Magnetic system for vibrating piston pumps Download PDF

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Publication number
EP2993346A1
EP2993346A1 EP15382428.9A EP15382428A EP2993346A1 EP 2993346 A1 EP2993346 A1 EP 2993346A1 EP 15382428 A EP15382428 A EP 15382428A EP 2993346 A1 EP2993346 A1 EP 2993346A1
Authority
EP
European Patent Office
Prior art keywords
magnetic core
coil
chamber
plunger
magnetic
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
Application number
EP15382428.9A
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German (de)
French (fr)
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EP2993346B1 (en
Inventor
Adrian Alberto Teylor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Teylor Intelligent Processes SL
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Teylor Intelligent Processes SL
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Publication of EP2993346A1 publication Critical patent/EP2993346A1/en
Application granted granted Critical
Publication of EP2993346B1 publication Critical patent/EP2993346B1/en
Active legal-status Critical Current
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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
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • F04B17/042—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids the solenoid motor being separated from the fluid flow
    • 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
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F04B17/04—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors using solenoids
    • 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
    • F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
    • F04B19/20—Other positive-displacement pumps
    • F04B19/22—Other positive-displacement pumps of reciprocating-piston type
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/001—Noise damping
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/14—Pistons, piston-rods or piston-rod connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • 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
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22—Arrangements for enabling ready assembly or disassembly

Definitions

  • This invention concerns an electromagnetic system for vibrating piston pump with an isolated compression chamber suitable for moving liquids; consisting of a electromagnetic system that alternatively drive a plunger as compression means which pushes the liquid in a compression chamber towards an outlet.
  • the vibrating pump which is the subject of this invention, has features intended to increase the efficiency of the electromagnetic driver system due to an specific metallic structure, a flexible piston comprising two or more materials and the assembly of the compression chamber by clipping methods, allowing it to obtain similar results as current vibrating pumps with less cooper, iron and lower assembly costs while consuming less electricity during operation.
  • the choice of the type of pump basically depends on the requirements it must meet, such as: dimensions/weight, maximum pressure, maximum flow, flow at working pressure, power consumed, characteristics of the fluid to be moved (oils, acids, food, etc.), price or noise level.
  • Vibrating piston pumps which are of the type referred to in this invention, work by alternatively moving a magnetic core using a tubular electro-magnet around the said magnetic core.
  • the use of AC power generate magnetic pulses that result in the magnetic core moving to a centred position within the magnetic field produced by the electromagnet, and a rear spring serves to push it back again from this natural equilibrium position when powered producing the alternative movement thereof.
  • the electromagnetic systems currently used in vibrating pumps has a reduced efficiency due to the single use of a tubular electro-magnet disposed around the magnetic core making it to move to a centred position on the magnetic field generated.
  • piston Another key component of the magnetic system of vibrating solenoid pumps is the piston, and due to the design, manufacturing specifications and materials currently used there are some room to improve its efficiency and costs.
  • three processes are the most commonly used nowadays: full machining starting from a larger piece of stainless steel, press-bonding the ferritic stainless steel core and the stainless steel plunger or by plastic moulding a plunger over the ferritic stainless steel core.
  • the compression chamber is assembled to the magnetic system by screwing or press-bonding and to ensure tightness several 0-rings are used, resulting in assembly time and costs that can be improved.
  • the technical problem raised is therefore to develop a vibrating pump provided with an electromagnetic system which will improve the magnetic attraction over the piston thereby enabling to obtain the performances of current pumps with lower raw material costs, mainly cooper and that can be assembled more simply and quickly shortening the process time while reducing the dimensions of the set.
  • the vibrating pump for liquids comprising: a compression chamber provided with a liquid inlet and a liquid outlet, drive means comprising a spring and a plunger attached to a magnetic core, and an electromagnet equipped with a magnetic frame and a suitable coil to move longitudinally and in alternate direction the said magnetic core inside drive chamber aligned with the compression chamber; it presents characteristics according to claim 1 that solve the problem explained above and provide a number of advantages both of use and manufacture.
  • this vibrating pump first feature is that the electromagnet of the magnetic system integrates a metallic stud disposed behind the magnetic core of the pump and axially aligned therewith, increasing the attractive force and reducing the amount of copper and iron required to manufacture the pump, as well as the assembly costs and overall size.
  • a second feature of the vibrating pump of this invention is the use of a magnetic core, which includes a plunger solidly attached thereto, but with freedom of axial movement.
  • the magnetic core is simple to manufacture and with few machining operations, thus reducing machining costs and waste of raw materials in the form of shavings;
  • the plunger being a separate piece of said magnetic core can be made of any material compatible with the characteristics of the pumped liquid and the life expectancy of the pump;
  • the semi-housings which complete the set may be obtained by plastic injection and bring flexibility, fit and durability to the set which is exposed to high vibration frequencies.
  • this core-plunger assembly is its industrial flexibility. Given that the diameter of the plunger is the variable used to change the hydraulic performances of vibratory solenoid pumps, in the case of this invention, only the plunger must be specific to the version of the pump, while the magnetic core is a standard part for the entire family of pumps. Additionally as the magnetic core and the plunger are assembled by a simple operation, each one of the parts could be manufactured in the most suitable location and the piston could be finished in the pump assembly line before use.
  • the third feature of the vibrating pump of this invention is the clip mounting solution used to join the compression chamber to the magnetic system resulting in a vibratory pump easy to assembly, compact and economical as a whole.
  • the vibrating liquid pump comprises an electromagnetic system comprising a coil (1); a metallic frame consisting on a "U" shaped piece (2) and a lower plate closure (3) which are placed around the coil (1) and the bushings (7); the screw stud (4) is responsible for bonding and fixing the set trough the driver chamber (5), where the magnetic core (6) moves longitudinally and in alternate direction.
  • the screw stud (4) of the magnetic system join the components (2, 3, 7, 5) in a single assembly operation and is arranged behind and axially aligned the magnetic core (6) to optimize the attractive force and reduce the amount of copper required in the coil (1).
  • the pumping means are constituted by a magnetic core (8) which integrates a plunger (9) fixedly but with freedom of axial deflection due to the patella (10) and the semi-housings (11) which house the said plunger inside the magnetic core (8). Since only the plunger (9) is in contact with the pumped liquid, it can be made of the material that best suits from a technical and economic standpoint.
  • the compression chamber (12) is inserted into the driver chamber (5) and fixed by the fork (13) that holds the compression chamber (12) joined to the said drive chamber (5) and free to rotate 360o; a sealing means (14) and a washer (15) prevents the liquid to leak to the magnetic system and the seal (16) holds the assembly under tension to prevent leakage and noise.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Reciprocating Pumps (AREA)

Abstract

Vibrating liquid pump with an electromagnetic system comprising a coil (1); a metallic frame consisting on a "U" shaped piece (2) and a lower plate closure (3) which are placed around the coil (1) and the bushings (7); the screw stud (4) is responsible for bonding and fixing the set trough the driver chamber (5), where the magnetic core (6) moves longitudinally and in alternate direction. The screw stud (4) of the magnetic system join the components (2, 3, 7, 5) in a single assembly operation and is arranged behind and axially aligned the magnetic core (6) to optimize the attractive force and reduce the amount of copper required in the coil (1).

Description

    Subject of the invention
  • This invention concerns an electromagnetic system for vibrating piston pump with an isolated compression chamber suitable for moving liquids; consisting of a electromagnetic system that alternatively drive a plunger as compression means which pushes the liquid in a compression chamber towards an outlet. The vibrating pump, which is the subject of this invention, has features intended to increase the efficiency of the electromagnetic driver system due to an specific metallic structure, a flexible piston comprising two or more materials and the assembly of the compression chamber by clipping methods, allowing it to obtain similar results as current vibrating pumps with less cooper, iron and lower assembly costs while consuming less electricity during operation.
    • State of the art.
  • Different types of pressure pumps used for moving liquids from one point to another are currently known. Gear pumps, centrifuge pumps, vane pumps, vibrating pumps and others might be mentioned.
  • The choice of the type of pump basically depends on the requirements it must meet, such as: dimensions/weight, maximum pressure, maximum flow, flow at working pressure, power consumed, characteristics of the fluid to be moved (oils, acids, food, etc.), price or noise level.
  • Vibrating piston pumps, which are of the type referred to in this invention, work by alternatively moving a magnetic core using a tubular electro-magnet around the said magnetic core. The use of AC power generate magnetic pulses that result in the magnetic core moving to a centred position within the magnetic field produced by the electromagnet, and a rear spring serves to push it back again from this natural equilibrium position when powered producing the alternative movement thereof.
  • The electromagnetic systems currently used in vibrating pumps has a reduced efficiency due to the single use of a tubular electro-magnet disposed around the magnetic core making it to move to a centred position on the magnetic field generated.
  • Another key component of the magnetic system of vibrating solenoid pumps is the piston, and due to the design, manufacturing specifications and materials currently used there are some room to improve its efficiency and costs. To manufacture pistons, three processes are the most commonly used nowadays: full machining starting from a larger piece of stainless steel, press-bonding the ferritic stainless steel core and the stainless steel plunger or by plastic moulding a plunger over the ferritic stainless steel core.
  • Finally yet importantly, usually the compression chamber is assembled to the magnetic system by screwing or press-bonding and to ensure tightness several 0-rings are used, resulting in assembly time and costs that can be improved.
  • The technical problem raised is therefore to develop a vibrating pump provided with an electromagnetic system which will improve the magnetic attraction over the piston thereby enabling to obtain the performances of current pumps with lower raw material costs, mainly cooper and that can be assembled more simply and quickly shortening the process time while reducing the dimensions of the set.
    • Description of the invention.
  • The vibrating pump for liquids, object of this invention, comprising: a compression chamber provided with a liquid inlet and a liquid outlet, drive means comprising a spring and a plunger attached to a magnetic core, and an electromagnet equipped with a magnetic frame and a suitable coil to move longitudinally and in alternate direction the said magnetic core inside drive chamber aligned with the compression chamber; it presents characteristics according to claim 1 that solve the problem explained above and provide a number of advantages both of use and manufacture.
  • According to the invention, this vibrating pump first feature is that the electromagnet of the magnetic system integrates a metallic stud disposed behind the magnetic core of the pump and axially aligned therewith, increasing the attractive force and reducing the amount of copper and iron required to manufacture the pump, as well as the assembly costs and overall size.
  • The incorporation of the metallic stud, behind the magnetic core and axially aligned therewith, increases the efficiency of the electromagnet by attracting the magnetic core to the stud, rather than only centring the said magnetic core within the magnetic field as occurs in the vibrating pump known currently.
  • A second feature of the vibrating pump of this invention is the use of a magnetic core, which includes a plunger solidly attached thereto, but with freedom of axial movement. According to the invention, the magnetic core is simple to manufacture and with few machining operations, thus reducing machining costs and waste of raw materials in the form of shavings; the plunger, being a separate piece of said magnetic core can be made of any material compatible with the characteristics of the pumped liquid and the life expectancy of the pump; the semi-housings which complete the set may be obtained by plastic injection and bring flexibility, fit and durability to the set which is exposed to high vibration frequencies.
  • Another advantage of this core-plunger assembly is its industrial flexibility. Given that the diameter of the plunger is the variable used to change the hydraulic performances of vibratory solenoid pumps, in the case of this invention, only the plunger must be specific to the version of the pump, while the magnetic core is a standard part for the entire family of pumps. Additionally as the magnetic core and the plunger are assembled by a simple operation, each one of the parts could be manufactured in the most suitable location and the piston could be finished in the pump assembly line before use.
  • The third feature of the vibrating pump of this invention it is the clip mounting solution used to join the compression chamber to the magnetic system resulting in a vibratory pump easy to assembly, compact and economical as a whole.
  • These and other features of the invention can be understood more easily by looking at the example version shown in the attached diagrams.
    • Description of the diagrams.
  • To complement the description made and in order to make it easier to understand the features of the invention, this report is accompanied by a set of drawings, which are merely illustrative and not restrictive, representing the following:
    • Figure 1 shows a schematic drawing of an example of the vibrating piston pump in accordance with the invention, sectioned by a vertical plane; and
    • Figure 2 shows a schematic drawing of an embodiment of the core-plunger assembly according to the invention, sectioned along a vertical plane.
    Preferred version of the invention.
  • In the example version shown in Figure 1 the vibrating liquid pump comprises an electromagnetic system comprising a coil (1); a metallic frame consisting on a "U" shaped piece (2) and a lower plate closure (3) which are placed around the coil (1) and the bushings (7); the screw stud (4) is responsible for bonding and fixing the set trough the driver chamber (5), where the magnetic core (6) moves longitudinally and in alternate direction.
  • According to the invention and as shown in Figure 1 the screw stud (4) of the magnetic system join the components (2, 3, 7, 5) in a single assembly operation and is arranged behind and axially aligned the magnetic core (6) to optimize the attractive force and reduce the amount of copper required in the coil (1).
  • In the example version shown in Figure 2 the pumping means are constituted by a magnetic core (8) which integrates a plunger (9) fixedly but with freedom of axial deflection due to the patella (10) and the semi-housings (11) which house the said plunger inside the magnetic core (8). Since only the plunger (9) is in contact with the pumped liquid, it can be made of the material that best suits from a technical and economic standpoint.
  • In the embodiment shown in Figure 1 the compression chamber (12) is inserted into the driver chamber (5) and fixed by the fork (13) that holds the compression chamber (12) joined to the said drive chamber (5) and free to rotate 360º; a sealing means (14) and a washer (15) prevents the liquid to leak to the magnetic system and the seal (16) holds the assembly under tension to prevent leakage and noise.
  • Having described the nature of the invention sufficiently, as well as a preferred version, it is stated for the appropriate purposes that the materials, shape, size and arrangement of the elements described can be changed, provided this does not involve an alteration of the essential features of the invention claimed below.

Claims (3)

  1. Vibrating pump for liquids applicable in the displacement of fluids, comprising a compression chamber (12) provided with an inlet (17) and an outlet (18) for the liquid; an electromagnetic system comprising a coil (1) a metallic frame consisting on a "U" shaped piece (2) and a lower plate closure (3) which are placed around the coil (1) which contain the bushings ( 7) and the a screw stud (4) responsible for bonding and fixing the assembly trough the driver chamber (5); a pumping means comprising a magnetic core (6) extending in a plunger (9) into the compression chamber (12) which moves longitudinally and in alternate direction inside the drive chamber (5) thanks to the alternative attraction force of the electromagnet and the compression spring (19); characterized in that: the screw stud (4) bonding and fixing the set is disposed behind the magnetic core (6) and axially aligned therewith to optimize the attractive force and to reduce the amount of copper required in the coil (1).
  2. Vibrating pump according to claim 1, characterised because the pumping means are constituted by a compression spring (19) and a magnetic core (8) extending in a plunger (9) fixedly but with freedom of axial deflection due to the patella (10) and the semi-housing (11) which house the said plunger inside the magnetic core (8).
  3. Vibrating pump according to claim 1, characterised because the compression chamber (12) is inserted into the driver chamber (5) and fixed by the fork (13) that holds the compression chamber (12) joined to the said drive chamber (5) and free to rotate 360º on its axis; a sealing means (14) and a washer (15) prevents the liquid to leak to the magnetic system and the seal (16) holds the assembly under tension to prevent leakage and noise.
EP15382428.9A 2014-08-19 2015-08-16 Magnetic system for vibrating piston pumps Active EP2993346B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES201400676U ES1123905Y (en) 2014-08-19 2014-08-19 Magnetic system for waterproof chamber pump

Publications (2)

Publication Number Publication Date
EP2993346A1 true EP2993346A1 (en) 2016-03-09
EP2993346B1 EP2993346B1 (en) 2020-03-25

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EP15382428.9A Active EP2993346B1 (en) 2014-08-19 2015-08-16 Magnetic system for vibrating piston pumps

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US (1) US20160053750A1 (en)
EP (1) EP2993346B1 (en)
ES (2) ES1123905Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279473A1 (en) * 2016-08-05 2018-02-07 Sysko AG Piston pump device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018115119A1 (en) * 2018-06-22 2019-12-24 Sysko Ag drinks pump
US11946464B1 (en) * 2022-07-11 2024-04-02 P3 Technologies, LLC Self-contained actuating magnetic pump

Citations (4)

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Publication number Priority date Publication date Assignee Title
US4021152A (en) * 1974-12-06 1977-05-03 Taisan Industrial Co., Ltd. Electromagnetic pump
JPS5688971A (en) * 1979-12-20 1981-07-18 Matsushita Electric Ind Co Ltd Pump
DE102012107983A1 (en) * 2011-08-29 2013-02-28 Jiming Lv Vibrating piston pump has piston with piston portions that are respectively arranged in chamber sections of pump chamber
DE202007019534U1 (en) * 2007-02-14 2013-06-26 Johnson Electric Dresden Gmbh Piston pump

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JPS49127109A (en) * 1973-04-09 1974-12-05
JPS54133608A (en) * 1978-04-08 1979-10-17 Iwaki Co Ltd Electromagnetic drive type reciprocating pumping plant
JPH059508Y2 (en) * 1987-06-17 1993-03-09
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JP4203160B2 (en) * 1998-11-13 2008-12-24 株式会社ミクニ Electromagnetic pump
US6517330B2 (en) * 2000-05-10 2003-02-11 Kioritz Corporation Reciprocating pump
BR0201189B1 (en) * 2002-03-22 2010-06-29 reciprocating compressor driven by linear motor.
JP2004294758A (en) * 2003-03-27 2004-10-21 Hitachi Ltd Optical unit and projection type image display unit using the same
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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021152A (en) * 1974-12-06 1977-05-03 Taisan Industrial Co., Ltd. Electromagnetic pump
JPS5688971A (en) * 1979-12-20 1981-07-18 Matsushita Electric Ind Co Ltd Pump
DE202007019534U1 (en) * 2007-02-14 2013-06-26 Johnson Electric Dresden Gmbh Piston pump
DE102012107983A1 (en) * 2011-08-29 2013-02-28 Jiming Lv Vibrating piston pump has piston with piston portions that are respectively arranged in chamber sections of pump chamber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279473A1 (en) * 2016-08-05 2018-02-07 Sysko AG Piston pump device

Also Published As

Publication number Publication date
ES1123905U (en) 2014-09-22
ES2809233T3 (en) 2021-03-03
US20160053750A1 (en) 2016-02-25
ES1123905Y (en) 2015-01-23
EP2993346B1 (en) 2020-03-25

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