WO2017038146A1 - Pompe électromagnétique - Google Patents

Pompe électromagnétique Download PDF

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Publication number
WO2017038146A1
WO2017038146A1 PCT/JP2016/061038 JP2016061038W WO2017038146A1 WO 2017038146 A1 WO2017038146 A1 WO 2017038146A1 JP 2016061038 W JP2016061038 W JP 2016061038W WO 2017038146 A1 WO2017038146 A1 WO 2017038146A1
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WO
WIPO (PCT)
Prior art keywords
disk
diaphragm
center
vibrator
center disk
Prior art date
Application number
PCT/JP2016/061038
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English (en)
Japanese (ja)
Inventor
則宏 簑口
裕二 山田
Original Assignee
フジクリーン工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by フジクリーン工業株式会社 filed Critical フジクリーン工業株式会社
Priority to US15/755,134 priority Critical patent/US20180230989A1/en
Publication of WO2017038146A1 publication Critical patent/WO2017038146A1/fr

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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
    • F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
    • F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
    • F04B45/047—Pumps having electric drive
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/0009—Special features
    • F04B43/0054—Special features particularities of the flexible members
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • 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
    • F04B53/10—Valves; Arrangement of valves
    • 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
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F04B43/04—Pumps having electric drive

Definitions

  • the present invention relates to an electromagnetic pump.
  • An electromagnetic pump is a pump configured to suck and discharge fluid along with linear reciprocal vibration of a vibrator by an electromagnetic coil.
  • an electromagnetic pump of this type has a structure in which a central region of an elastic diaphragm is sandwiched from both sides by two center disks, and a vibrator is connected to the two center disks.
  • Patent Document 1 discloses this type of electromagnetic pump.
  • JP 2000-170660 A Japanese Utility Model Publication No. 6-53858
  • the electromagnetic pump disclosed in Patent Document 1 includes a first center disk positioned closer to the pump outer side and a second center disk positioned closer to the pump inner side as the two center disks.
  • the diameter (clamping diameter) of the portion where the first center disk contacts the diaphragm when the vibrator is in the neutral position and the second center disk contacts the diaphragm when the vibrator is in the neutral position It is comprised so that the diameter (tightening diameter) of the site
  • the diaphragm bends at the same position in the radial direction on both the outer surface and the inner surface.
  • local load concentration occurs in the diaphragm due to the reciprocating motion of the vibrator, and there is a concern that the life of the diaphragm may be reduced.
  • This device includes a radial position of the bent portion on the outer surface of the diaphragm (hereinafter also referred to as “first radial position”) and a radial position of the bent portion on the inner surface (hereinafter referred to as “second diameter”).
  • first radial position a radial position of the bent portion on the outer surface of the diaphragm
  • second diameter a radial position of the bent portion on the inner surface
  • the present invention has been made in view of the above points, and one of its purposes is to extend the life of the diaphragm in an electromagnetic pump including a diaphragm connected to an electromagnetically driven vibrator and It is to provide an effective technique for reducing the size of the pump.
  • an electromagnetic pump (100) includes a diaphragm (142), a first center disk (150) and a center disk (160), a vibrator (130), and a valve case. (103).
  • the diaphragm (142) is a disk-shaped member made of an elastic material.
  • the first center disk (150) and the second center disk (160) are both disc-shaped and concentric with the diaphragm (142), and the center region of the diaphragm (142) is sandwiched from both sides in the plate thickness direction. Fixed to each other.
  • the vibrator (130) is connected to at least one of the first center disk (150) and the second center disk (160), and reciprocates in the suction direction and the discharge direction around the neutral position.
  • the valve case (103) sucks fluid to the side opposite to the vibrator (130) across the diaphragm (142) and operates in the discharge direction of the vibrator (130) when the vibrator (130) operates in the suction direction.
  • a compression chamber (104) is sometimes provided for compressing the fluid.
  • the first center disk (150) is disposed opposite to the outer surface 144 located on the compression chamber (104) side of the valve case (103) of both surfaces of the diaphragm (142), and the vibrator (130) is in a neutral position.
  • the second center disk (160) is disposed opposite to the inner surface (145) located on the vibrator (130) side of both surfaces of the diaphragm (142), and when the vibrator (130) is in the neutral position.
  • An annular first ring abutting on the inner surface (145) and having an outer diameter (D2b) set in the range of 1.05 to 1.30 times the outer diameter (D1b) of the first disk abutting surface (151a).
  • the diaphragm (142) has an outer periphery of the first disk contact surface (151a) of the first center disk (150) of the outer surface (144) when the vibrator (130) reciprocates in the suction direction and the discharge direction. Bends about the contact portion (144a) with (P1) and contacts with the outer periphery (P2) of the second disk contact surface (161a) of the second center disk (160) of the inner surface (145) Bend around the part (145a).
  • the outer diameter of the first disk contact surface of the first center disk is different from the outer diameter of the second disk contact surface of the second center disk.
  • the radial position of the bent portion on the outer surface of the diaphragm is different from the radial position of the bent portion on the inner surface. Therefore, the lifetime of the diaphragm can be extended by preventing local load concentration from occurring in the diaphragm during the reciprocating operation of the vibrator.
  • One center disk can be made smaller than the second center disk located on the vibrator side, and the size of the second center disk can be kept small.
  • the first center disk (150) includes the first disk curved surface (152a), and the second center disk (160) includes the second disk curved surface (162a).
  • the first disc curved surface (152a) extends from the outer periphery of the first disc contact surface (151a) while curving at a predetermined radius of curvature (R) outward in the radial direction of the disc and is formed in an annular shape in the circumferential direction of the disc.
  • the second disk curved surface (162a) extends from the outer periphery of the second disk contact surface (161a) to the outer side in the radial direction of the disk while being curved with the same radius of curvature (R) as the first disk curved surface (152a). And it is formed in an annular shape in the disk circumferential direction.
  • the outer surface of the diaphragm comes into contact with the first disk curved surface of the first center disk as the vibrator reciprocates in the suction direction and the discharge direction, while the inner surface of the diaphragm is the second surface.
  • the diaphragm balance at this time is the same between the first disk curved surface side and the second disk curved surface side.
  • the first center disk having the first disk contact surface and the first disk curved surface can be made smaller than the second center disk having the second disk contact surface and the second disk curved surface.
  • the size of the second center disk can be kept small.
  • an electromagnetic pump including a diaphragm connected to an electromagnetically driven vibrator, it is possible to extend the life of the diaphragm and to make the pump compact.
  • FIG. 1 is a diagram schematically showing the structure of the electromagnetic pump according to the present embodiment.
  • FIG. 2 is a view showing a state during the suction operation of the electromagnetic pump in FIG.
  • FIG. 3 is a diagram showing a state during the discharge operation of the electromagnetic pump in FIG.
  • FIG. 4 is a view of the diaphragm portion of the electromagnetic pump in FIG. 1 viewed from the drive chamber side.
  • FIG. 5 is a diagram showing a cross-sectional structure taken along line AA of the diaphragm portion in FIG.
  • FIG. 6 is a diagram illustrating a state during the suction operation of the diaphragm portion in FIG.
  • FIG. 7 is a diagram showing a state during the discharge operation of the diaphragm portion in FIG.
  • This electromagnetic pump typically has an air pump for supplying air to the water to be treated in the septic tank, and an air pump ("" for supplying driving air to an air lift pump for transferring the water to be treated in the septic tank. It is also used as a “blower”.
  • the suction operation direction (first direction) of the vibrator driven by electromagnetic force is indicated by an arrow X1
  • the discharge operation direction of the vibrator is indicated by an arrow X2.
  • the electromagnetic pump 100 includes a casing 101 that houses pump components.
  • electromagnets 110 and 120 and a vibrator 130 are accommodated.
  • the electromagnet 110 includes an electromagnetic coil 111 connected to an AC power source.
  • the electromagnet 120 includes an electromagnetic coil 121 connected to an AC power source.
  • the vibrator 130 includes permanent magnets 131 and 132. The vibrator 130 is connected to the diaphragm 140 at the end opposite to the permanent magnets 131 and 132.
  • the vibrator 130 When the electromagnetic coil 111 and the electromagnetic coil 121 are energized, the position of the N pole and the S pole in each of the electromagnet 110 and the electromagnet 120 is switched, so that a driving electromagnetic force is applied to the vibrator 130. Due to the electromagnetic force at this time and the attractive / repulsive force between the permanent magnets 131 and 132 on the vibrator 130 side, the vibrator 130 reciprocates in the first direction X1 and the second direction X2 around the neutral position in FIG. Vibrate. This vibrator 130 corresponds to the “vibrator” of the present invention.
  • the diaphragm section 140 includes a main body section 141, a diaphragm 142, a first center disk 150, and a second center disk 160.
  • the main body 141 is fixed to the casing 101.
  • the diaphragm 142 is a member made of a rubber material that is one of elastic materials.
  • An outer edge portion 142 a of the diaphragm 142 is fixed to the main body portion 141. This diaphragm 142 corresponds to the “diaphragm” of the present invention.
  • the first center disk 150 and the second center disk 160 are both members made of synthetic resin.
  • the first center disk 150 is disposed on the opposite side of the vibrator 130 with the diaphragm 142 interposed therebetween.
  • the second center disk 160 is disposed on the opposite side of the first center disk 150 with the diaphragm 142 interposed therebetween.
  • the first center disk 150 and the second center disk 160 are fixed to each other in a state where the central region of the diaphragm 142 is sandwiched from both sides in the plate thickness direction.
  • the vibrator 130 is connected to both the first center disk 150 and the second center disk 160. Therefore, the diaphragm 142 is indirectly connected to the vibrator 130 via the first center disk 150 and the second center disk 160.
  • the vibrator 130 may be fixed to at least one of the first center disk 150 and the second center disk 160.
  • the first center disk 150 and the second center disk 160 here correspond to the “first center disk” and the “second center disk” of the present invention, respectively.
  • the valve case 103 is attached to the opposite side of the vibrator 130 with respect to the diaphragm part 140 in the casing 101.
  • the valve case 103 includes a compression chamber 104 and a discharge chamber 105.
  • the compression chamber 104 is provided on the side opposite to the vibrator 130 with the diaphragm 142 interposed therebetween.
  • the compression chamber 104 is a space for sucking air when the vibrator 130 operates in the first direction X1 (suction direction) and compressing the air when the vibrator 130 operates in the second direction X2 (discharge direction). .
  • the valve case 103 and the compression chamber 104 here correspond to the “valve case” and the “compression chamber” of the present invention, respectively.
  • a suction valve 170 is provided in a case wall portion 103a interposed between the compression chamber 104 and the external space 106.
  • the suction valve 170 is configured to open when the pressure in the compression chamber 104 decreases and to close when the pressure in the compression chamber 104 increases.
  • the discharge chamber 105 is a space for discharging the air compressed in the compression chamber 104.
  • a discharge valve 180 is provided in a case wall portion 103 b interposed between the compression chamber 104 and the discharge chamber 105 in the valve case 103. The discharge valve 180 is configured to close when the pressure in the compression chamber 104 decreases and to open when the pressure in the compression chamber 104 increases.
  • the diaphragm 142 passes through the first center disk 150 and the second center disk 160 through the first center disk 150. Pulled in direction X1. Accordingly, the diaphragm 142 is elastically deformed so as to increase the volume of the compression chamber 104. At this time, the pressure in the compression chamber 104 decreases, the suction valve 170 is opened, and the discharge valve 180 is closed. Therefore, the air (outside air) in the external space 106 is sucked into the compression chamber 104 having a relatively low pressure through the open valve 170.
  • the diaphragm 142 passes through the first center disk 150 and the second center disk 160 to the second position. Pulled in direction X2. Therefore, the diaphragm 142 is elastically deformed so as to reduce the volume of the compression chamber 104. At this time, the pressure in the compression chamber 104 increases, the suction valve 170 is closed, and the discharge valve 180 is opened. Accordingly, the air in the compression chamber 104 is discharged to the discharge chamber 105 through the discharge valve 180 in the valve open state.
  • the diaphragm 142 is formed in a disc shape.
  • the diaphragm 142 has an opening 143 in the center region, and the opening edge 143 a is sandwiched between the first center disk 150 and the second center disk 160.
  • the first center disk 150 and the second center disk 160 are both disc-shaped and concentric with the diaphragm 142.
  • the first center disk 150 is provided with a through hole 150a at the center thereof.
  • the second center disk 160 is provided with a through hole 160a at the center thereof.
  • the vibrator 130 includes a connecting shaft 130a at the end on the diaphragm 140 side.
  • the connecting shaft 130 a is screwed into a fixing means 133 such as a nut while being inserted into both the through hole 150 a of the first center disk 150 and the through hole 160 a of the second center disk 160.
  • the vibrator 130 is fixed to the diaphragm 142 via the first center disk 150 and the second center disk 160.
  • the first center disk 150 is disposed opposite to the outer surface 144 of the valve case 103 on the compression chamber 104 side of both surfaces of the diaphragm 142.
  • the first center disk 150 includes a disk-shaped center part 151 centering on the through hole 150a and a center part 151 for tightening and holding the center area of the diaphragm 142 in cooperation with the second center disk 160.
  • an annular outer peripheral portion 152 located on the outer side in the radial direction of the disk.
  • the central portion 151 has a first disk contact surface 151a.
  • the first disk contact surface 151a is an annular contact surface that always contacts the outer surface 144 of the diaphragm 142 when the vibrator 130 is in the neutral position.
  • the first disk contact surface 151a corresponds to the “first disk contact surface” of the present invention.
  • the “neutral position” here means that the diaphragm 142 is not elastically deformed on either the suction side (left side in the figure) or the discharge side (right side in the figure) as shown in FIGS. 1 and 5. This refers to the position of the vibrator 130 when in the initial state.
  • the outer periphery 152 has a first disk curved surface 152a.
  • the first disk curved surface 152a extends from the first circle P1 that defines the outer periphery of the first disk contact surface 151a (hereinafter also referred to as “the outer periphery P1 of the first disk contact surface 151a”) to the outer surface of the diaphragm 142. It extends while being curved with a predetermined radius of curvature R outward in the radial direction of the disk while increasing the distance from the disk 144, and is formed in an annular shape in the circumferential direction of the disk.
  • the first circle P1 forms a boundary line that defines the boundary between the first disk contact surface 151a of the central portion 151 and the first disk curved surface 152a of the outer peripheral portion 152.
  • the first disk curved surface 152a corresponds to the “first disk curved surface” of the present invention.
  • the second center disk 160 is disposed so as to face the inner surface 145 on the vibrator 130 side of both surfaces of the diaphragm 142.
  • the second center disk 160 includes a disk-shaped center part 161 centering on the through hole 160a and a center part 161 for tightening and holding the center region of the diaphragm 142 in cooperation with the first center disk 150.
  • an annular outer peripheral portion 162 located on the outer side in the radial direction of the disk.
  • the central portion 161 has a second disk contact surface 161a.
  • the second disk contact surface 161a is an annular contact surface that always contacts the inner surface 145 of the diaphragm 142 when the vibrator 130 is in the neutral position.
  • the second disk contact surface 161a corresponds to the “second disk contact surface” of the present invention.
  • the outer periphery 162 has a second disk curved surface 162a.
  • the second disk curved surface 162a extends from the second circle P2 that defines the outer periphery of the second disk contact surface 161a (hereinafter also referred to as “the outer periphery P2 of the second disk contact surface 161a”) to the inner surface of the diaphragm 142. While extending with a radius of curvature R (the same radius of curvature as the first disk curved surface 152a) outwardly in the radial direction of the disk while increasing the distance from 145, it extends in the circumferential direction of the disk.
  • a radius of curvature R the same radius of curvature as the first disk curved surface 152a
  • the second circle P2 forms a boundary line that defines the boundary between the second disk contact surface 161a of the central portion 161 and the second disk curved surface 162a of the outer peripheral portion 162.
  • the second disk curved surface 162a corresponds to the “second disk curved surface” of the present invention.
  • the diaphragm section 140 of the present embodiment is configured such that when the first center disk 150 and the second center disk 160 are compared, these disks are asymmetrical to each other.
  • the disk diameter (outer diameter) D2a of the second center disk 160 is configured to exceed the disk diameter (outer diameter) D1a of the first center disk 150.
  • the diaphragm 140 is also an outer diameter D2b of the second disk contact surface 161a of the second center disk 160 (that is, “the outer diameter of the central portion 161” or “the diameter of the second circle P2”). Is larger than the outer diameter D1b of the first disk contact surface 151a of the first center disk 150 (that is, “the outer diameter of the central portion 151” or “the diameter of the first circle P1”).
  • the outer diameter D1b of the first disk contact surface 151a and the outer diameter D2b of the second disk contact surface 161a are both “tightening diameters” for tightening and holding the central region of the diaphragm 142.
  • the diaphragm 142 of the diaphragm unit 140 having the above-described configuration has the outer surface 144 of the first center disk 150 in the first direction X1. And the inner surface 145 is pulled by the second center disk 160 in the first direction X1. At this time, the outer surface 144 of the diaphragm 142 is bent around the contact portion 144a with the outer periphery P1 of the first disk contact surface 151a and elastically deformed so as to be recessed toward the first direction X1.
  • the inner surface 145 of the diaphragm 142 is bent around the contact portion 145a with the outer periphery P2 of the second disk contact surface 161a and elastically deformed so as to protrude toward the first direction X1. Further, when the vibrator 130 operates in the first direction X1 until the outer surface 144 of the diaphragm 142 contacts the first disk curved surface 152a of the first center disk 150, the outer surface 144 of the diaphragm 142 has the first disk curved surface. Local bending is suppressed by surface contact with the surface 152a.
  • the inner surface 145 of the diaphragm 142 of the diaphragm unit 140 having the above-described configuration is The outer surface 144 is pushed in the second direction X2 and pulled by the first center disk 150 in the second direction X2.
  • the inner surface 145 of the diaphragm 142 is bent about the contact portion 145a with the outer periphery P2 of the second disk contact surface 161a, and is elastically deformed so as to be recessed toward the second direction X2.
  • the outer surface 144 of the diaphragm 142 is bent around the contact portion 144a with the outer periphery P1 of the first disk contact surface 151a, and is elastically deformed so as to protrude toward the second direction X2. Further, when the vibrator 130 operates in the second direction X2 until the inner surface 145 of the diaphragm 142 abuts on the second disk curved surface 162a of the second center disk 160, the diaphragm 142 has the inner surface 145 curved on the second disk curved surface. Local bending is suppressed by surface contact with the surface 162a.
  • the reciprocating vibration in the suction direction and the discharge direction of the vibrator 130 is repeated.
  • the load concentrates on the contact portion 144a on the outer surface 144 of the diaphragm 142, and the inner surface of the diaphragm 142 At 145, the load concentrates on the contact portion 145a.
  • the outer diameter D1b of the first disk contact surface 151a of the first center disk 150 is different from the outer diameter D2b of the second disk contact surface 161a of the second center disk 160.
  • the radial position of the bent portion on the outer surface 144 and the radial position of the bent portion on the inner surface 145 of the diaphragm 142 are different from each other. Accordingly, local load concentration can be prevented from occurring in the diaphragm 142 during the reciprocating operation of the vibrator 130, thereby extending the life of the diaphragm 142.
  • the outer diameter D2b is less than 1.05 times the outer diameter D1b, the radial position of the bent portion on the outer surface 144 of the diaphragm 142 is too close to the radial position of the bent portion on the inner surface 145. The effect of extending the life of the diaphragm 142 is small.
  • the outer diameter D2b exceeds 1.30 times the outer diameter D1b, the size of the second center disk 160 becomes larger than the size of the first center disk 150, and the electromagnetic pump 100 is made compact. Disadvantageous.
  • the effect of extending the life of the diaphragm 142 is achieved.
  • the effect of downsizing the electromagnetic pump 100 can be achieved.
  • first disk curved surface 152a of the first center disk 150 and the second disk curved surface 162a of the second center disk 160 have the same curvature radius R, the balance of the bending of the diaphragm 142 is balanced with the first disk curved surface 152a. And the second disk curved surface 162a side.
  • the outer surface 144 of the diaphragm 142 contacts the first disk curved surface 152a of the first center disk 150, while the inner surface 145 of the diaphragm 142 contacts the second disk curved surface 162a of the second center disk 160. At this time, it is possible to suppress the fatigue of the diaphragm 142 from being biased to one of the outer surface 144 and the inner surface 145.
  • first disk curved surface 152a of the first center disk 150 and the second disk curved surface 162a of the second center disk 160 have the same radius of curvature R has been described.
  • a configuration in which the curvature radius of 152a is different from the curvature radius of the second disk curved surface 162a may be employed.
  • first center disk 150 includes the outer peripheral portion 152 (first disk curved surface 152a) and the second center disk 160 includes the outer peripheral portion 162 (second disk curved surface 162a) has been described.
  • first center disk 150 includes the outer peripheral portion 152 (first disk curved surface 152a)
  • second center disk 160 includes the outer peripheral portion 162 (second disk curved surface 162a)
  • at least one of the outer peripheral portion 152 and the outer peripheral portion 162 can be omitted.
  • the disk diameter D2a of the second center disk 160 is larger than the disk diameter D1a of the first center disk 150 is described, but the disk diameter D1a and the disk diameter D2a may be the same.
  • the electromagnetic pump 100 in which the diaphragm portion 140 is connected only to one end of the vibrator 130 has been described.
  • an electromagnetic pump in which the diaphragm portion 140 is connected to both ends of the vibrator 130 is employed. You can also.
  • the electromagnetic pump 100 that performs the suction operation and the discharge operation of air, which is one of the fluids, has been described.
  • an electromagnetic pump that handles a gas or liquid other than air may be employed.
  • a fuel cell unit that generates electricity by a chemical reaction between hydrogen and oxygen includes a gas supply pump that supplies gas (city gas, LP gas) to a fuel reformer for extracting hydrogen.
  • the structure of the electromagnetic pump 100 described above can be adopted for the pump.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne une pompe électromagnétique (100) comprenant un diaphragme (142), un premier disque central (150), un second disque central (160) et un vibrateur (130). Le premier disque central (150) est disposé pour faire face à la surface externe (144) du diaphragme (142) et comprend une surface de contact annulaire (151a) de premier disque en contact avec la surface externe (144) lorsque le vibrateur (130) se trouve au niveau d'une position neutre. Le second disque central (160) est disposé pour faire face à la surface interne (145) du diaphragme (142) et comprend une surface de contact annulaire (161a) de second disque qui est en contact avec la surface interne (145) lorsque le vibrateur (130) se trouve au niveau de la position neutre et qui possède un diamètre externe (D2b) qui est défini dans la plage de 1,05 à 1,30 fois le diamètre externe (D1b) de la surface de contact (151a) de premier disque.
PCT/JP2016/061038 2015-08-28 2016-04-04 Pompe électromagnétique WO2017038146A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US15/755,134 US20180230989A1 (en) 2015-08-28 2016-04-04 Electromagnetic-type pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015168540A JP2017044178A (ja) 2015-08-28 2015-08-28 電磁式ポンプ
JP2015-168540 2015-08-28

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WO2017038146A1 true WO2017038146A1 (fr) 2017-03-09

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Publication number Priority date Publication date Assignee Title
CN110944534B (zh) * 2017-06-01 2023-02-28 富特姆投资有限公司 电子烟流体泵

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