WO2016111040A1 - 一軸偏心ねじポンプ - Google Patents

一軸偏心ねじポンプ Download PDF

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Publication number
WO2016111040A1
WO2016111040A1 PCT/JP2015/074717 JP2015074717W WO2016111040A1 WO 2016111040 A1 WO2016111040 A1 WO 2016111040A1 JP 2015074717 W JP2015074717 W JP 2015074717W WO 2016111040 A1 WO2016111040 A1 WO 2016111040A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
exterior
eccentric screw
screw pump
rotor
Prior art date
Application number
PCT/JP2015/074717
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
哲男 山根
健斗 塚本
Original Assignee
兵神装備株式会社
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 兵神装備株式会社 filed Critical 兵神装備株式会社
Priority to DE112015005921.0T priority Critical patent/DE112015005921T5/de
Priority to KR1020177018740A priority patent/KR101930664B1/ko
Priority to CN201580072823.8A priority patent/CN107110153B/zh
Priority to MYPI2017702447A priority patent/MY186111A/en
Publication of WO2016111040A1 publication Critical patent/WO2016111040A1/ja

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/18—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by varying the volume of the working chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/18—Pressure
    • F04C2270/185—Controlled or regulated

Definitions

  • the present invention relates to a uniaxial eccentric screw pump.
  • stator expands and contracts in response to changes in liquid temperature and air temperature, and therefore it may be difficult to convey the fluid in an appropriate state corresponding to those changes.
  • CIP Cosmetic In Place
  • SIP Standardizing InlacePlace
  • the stator wears and the tightening allowance on the rotor becomes small, the fluid cannot be conveyed properly. It becomes necessary to replace it with a new one.
  • a stator made of an elastic body is accommodated in a casing, and a rotor is inserted into the stator.
  • a device is known in which the contact pressure with the rotor is kept constant by adjusting the air pressure and elastically deforming the stator in the radial direction (see, for example, Patent Document 1).
  • An object of the present invention is to provide a uniaxial eccentric screw pump capable of stabilizing a contact pressure to a rotor by a stator and discharging a fluid with a desired discharge pressure.
  • the present invention provides: A stator having an inner peripheral surface formed into a female screw type; A rotor that can be inserted through the stator and has a male screw shaft; A uniaxial eccentric screw pump comprising: An exterior body movable between a first position on the outer peripheral side of the stator and a second position for compressing the stator; Moving means for moving the exterior body between the first position and the second position; A uniaxial eccentric screw pump characterized by comprising:
  • This configuration makes it possible to change the contact pressure of the stator with respect to the rotor only by changing the position of the exterior body by the moving means. Accordingly, it is possible to stabilize the tightening force by the stator and prevent the wear of the stator, the increase of the rotational torque of the rotor, or the fluctuation of the discharge pressure of the fluid.
  • a holding member for holding the exterior part is made of an elastic material, and when the exterior portion is moved by the moving unit, the exterior portion is urged by being interposed between both members.
  • the moving means may be provided in a casing that covers the stator, and may include a sleeve that is elastically deformed inward to move the exterior body.
  • the movement of the exterior body by the moving means may be performed based on fluid pressure.
  • This configuration allows a uniform force to be applied to the exterior body according to the Pascal principle. Therefore, it is possible to prevent the occurrence of problems such as uneven deformation of the stator due to the force being partially concentrated and the exterior body being inclined.
  • the movement of the exterior body by the moving means may be performed by a pressing member.
  • the pressing member may be driven by a spring.
  • the pressing member may be driven by a solenoid.
  • the tightening force of the rotor by the stator is set according to the position to move the exterior body, this tightening force can be stabilized to a desired value. Accordingly, it is possible to reliably prevent the wear of the stator, the increase of the rotational torque of the rotor, or the fluctuation of the discharge pressure of the fluid.
  • FIG. 3 is a sectional view taken along line AA in FIG. 2.
  • FIG. 5 is a cross-sectional view of only the exterior body and the wound body shown in FIG. 4.
  • It is a fragmentary sectional view of the uniaxial eccentric screw pump concerning other embodiments.
  • It is a fragmentary sectional view of the uniaxial eccentric screw pump concerning other embodiments.
  • It is a fragmentary sectional view of the uniaxial eccentric screw pump concerning other embodiments.
  • FIG. 1 shows a uniaxial eccentric screw pump according to a first embodiment.
  • This uniaxial eccentric screw pump includes a driving machine (not shown) provided on one end side of the casing 1 and a pump body 2 provided on the other end side.
  • the casing 1 is a cylindrical metal material, and a coupling rod 3 is accommodated. One end of the coupling rod 3 is connected to the coupling 4 so that power from the driving machine is transmitted.
  • a connecting pipe 5 is connected to the outer peripheral surface at one end of the casing 1 so that a fluid can be supplied from a tank or the like (not shown).
  • the pump body 2 includes a sleeve 7, an exterior body 8, a stator 9, and a rotor 10 housed in a stator casing 6, and an end stud 11 is attached to the end of the stator 9.
  • the casing 1 is connected to one end portion of the stator casing 6 by bolts and nuts.
  • An end stud 11 is connected to the other end of the stator casing 6, and the flanges are similarly connected to each other by bolts and nuts. These connecting portions are sealed with packing or the like (not shown).
  • An injection port 12 is connected to the lower central portion of the stator casing 6, and an extraction port 13 is connected to the upper central portion.
  • a first on-off valve 14 a control valve 15, a first pressure gauge 16a, and a regulator (pressure regulator) 16b are provided in this order from the stator casing 6 side.
  • the sleeve 7 is a cylindrical elastic material.
  • the sleeve 7 has an opening at one end sandwiched between the inner peripheral surface at one end of the stator casing 6 and the outer peripheral surface of the first clamp 19, and an opening at the other end is connected to the inner peripheral surface at the other end of the stator casing 6 and the second end. It is clamped between the outer peripheral surface of the clamp 20.
  • the annular sealing space 21 can be easily formed between the sleeve 7 and the stator casing 6 by the first clamp 19 and the second clamp 20.
  • the control fluid is injected into the sealed space 21 through the injection port 12 and is discharged through the extraction port 13.
  • the exterior body 8 is a rigid body made of a hard metal material such as stainless steel or a synthetic resin material, and includes a first exterior part 22 and a second exterior part 23 as shown in FIG.
  • the first exterior part 22 and the second exterior part 23 form a cylindrical shape in which the outer periphery of the cross section is substantially circular and the inner periphery is substantially decagonal.
  • Opposing surfaces of the first exterior part 22 and the second exterior part 23 are positioned by positioning pins 24.
  • the positioning pin 24 is formed with a male screw on one end side. In FIG. 3, two positions are positioned by positioning pins 24 (first positioning pins 24a and second positioning pins 24b).
  • first positioning pin 24 a is screwed into the first exterior part 22, and the other end is slidably disposed in the second positioning hole 23 a of the second exterior part 23.
  • One end of the second positioning pin 24 b is screwed into the second exterior portion 23, and the other end is slidably disposed in the first positioning hole 22 a of the first exterior portion 22.
  • the first exterior portion 22 and the second exterior portion 23 are brought into contact with and separated from each other while being guided by the positioning pins 24.
  • the first exterior portion 22 and the second exterior portion 23 move between a first position where the stator 9 is not pressurized and a second position where the opposing surfaces are brought into contact with each other to form a decagon. Is possible.
  • the stator 9 is an elastic material such as rubber or resin selected according to the fluid to be conveyed as appropriate (for example, silicon rubber, fluororubber (the latter is used for cosmetics in which the fluid contains silicone oil). ) In a cylindrical shape (for example, a circular cross-sectional shape).
  • the center hole 9a of the stator 9 has a single-stage or multi-stage female screw shape with an inner circumferential surface having n strips.
  • the rotor 10 has a shaft body made of a metal material such as stainless steel in a single-stage or multi-stage male screw shape with n-1 strips.
  • the rotor 10 is disposed in the center hole 9a of the stator 9 and forms a transport space 9b connected in the longitudinal direction.
  • One end of the rotor 10 is connected to the coupling rod 3 on the casing side, and rotates around the inner side of the stator 9 and revolves along the inner peripheral surface of the stator 9 by a driving force from a driving machine (not shown). That is, the rotor 10 rotates eccentrically in the center hole 9a of the stator 9 so that the material in the transfer space 9b can be transferred in the longitudinal direction.
  • the second clamp 20 is integrated with one end of the stator 9 by press fitting or the like. And it combines so that each inner surface of the 1st exterior part 22 and the 2nd exterior part 23 may contact
  • the first exterior portion 22 and the second exterior portion 23 are aligned by the positioning pin 24.
  • the sleeve 7 is mounted on the outer periphery of the first exterior portion 22 and the second exterior portion 23 assembled to the stator 9 while sliding in the axial direction.
  • the first clamp 19 is integrated by press-fitting or the like at the end opposite to the integration of the second clamp 20.
  • the sleeve 7 is in close contact with the outer peripheral surfaces of the first exterior part 22 and the second exterior part 23, and the first clamp 19 and the second clamp 20 are attached to both ends. And are integrated. Accordingly, the inside of the sleeve 7 is sealed, and even if a crack or the like occurs in the stator 9 and the fluid inside leaks, the sleeve 7 does not flow further outward.
  • the assembly is connected to one end of the casing 1 via a first clamp 19. Then, the rotor 10 is inserted into the center hole 9 a of the stator 9 from the other end side of the casing 1, that is, from the drive machine side.
  • stator casing 6 is mounted on the outer periphery of the sleeve 7 to complete the assembling work.
  • the airtightness between the sleeve 7 and the stator casing 6 is maintained by the first clamp 19 and the second clamp 20, and the sealed space 21 can be formed. Therefore, the control fluid injected into the sealed space 21 does not flow into the sleeve 7. Further, since the airtightness can be maintained not only by the inside of the sleeve but also by the sealed space 21, there is no fear that the fluid leaks to the outside even if a crack or the like occurs in the stator 9.
  • the relationship among the injection amount of the control fluid into the sealed space 21, the type of fluid, the rotational speed of the rotor 10, and the discharge pressure is set in advance.
  • the sleeve 7 is positioned in the initial state with the injection amount of the control fluid into the sealed space 21 as the minimum value.
  • the relationship between the rotational speed of the rotor 10 and discharge pressure is memorize
  • a control fluid is injected into the sealed space 21 formed by the stator casing 6 and the sleeve 7 by opening the first on-off valve 14 or the like.
  • the amount of the control fluid injected into the sealed space 21 is determined with reference to the data table so that the fluid can be discharged at a desired discharge pressure according to the rotational speed of the rotor 10 described later.
  • the control fluid is an incompressible fluid, it is preferable in that the relationship between the injection amount and the discharge pressure can be made stable without fluctuation.
  • a driving machine (not shown) is driven, and the rotor 10 is rotated at a preset rotational speed via the coupling 4 and the coupling rod 3.
  • the rotational speed at this time is determined in consideration of the discharge amount per unit time.
  • the conveyance space 9b formed by the inner peripheral surface of the stator 9 and the outer peripheral surface of the rotor 10 moves in these longitudinal directions.
  • the fluid discharged from the tank is sucked into the transfer space 9 b and transferred to the end stud 11.
  • the fluid reaching the end stud 11 is further transported to another place.
  • the uniaxial eccentric screw pump having the above-described configuration, the following advantages can be obtained. (1) Since the contact pressure of the stator 9 with respect to the rotor 10 is adjusted, the fluid can be discharged from the end stud 11 with a desired discharge pressure. (2) The force applied from the sleeve 7 to the exterior body 8 is determined by the amount of control fluid injected into the sealed space 21 and is stable. Further, the outer casing 8 is in surface contact with the stator 9 and applies a pressing force uniformly. For this reason, the frictional resistance that the rotor 10 receives during rotation is only due to the set contact pressure, and is not easily changed. Therefore, the rotational torque does not increase when the rotor 10 is rotated.
  • the stator 9 Since the suction side has a low pressure and the discharge side has a high pressure, when the control fluid is injected into the sealed space 21, the stator 9 is more easily compressed (or greatly expanded on the discharge side) than the discharge side.
  • the presence of the body 8 can prevent the degree of compression on the suction side (or expansion on the discharge side) from becoming too large. That is, it can compress uniformly as a whole, and the compression degree at the time of conveying a fluid does not change a lot.
  • the control fluid flows into the sealed space 21
  • the sleeve 7 can apply a pressing force evenly to the stator 9 via the outer package 8.
  • damage such as a crack occurs in the stator 9
  • the control fluid flows out through the through hole, so that these abnormalities can be detected early.
  • the pressing force of the first exterior portion 22 and the second exterior portion 23 by the sleeve 7 may be small so that the stator 9 is not compressed.
  • the pressing force may be zero by suppressing the control fluid injection amount.
  • FIG. 4 shows a uniaxial eccentric screw pump according to the second embodiment.
  • This uniaxial eccentric screw pump differs from the first embodiment in the following points.
  • the same parts as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • the outer periphery of the stator 9 is provided with an exterior body 8 (first exterior portion 28 and second exterior portion 29) and a wound body 25 that is wound around the stator 9 to position them.
  • This wound body 25 is an example of the holding member of the present invention. Then, by injecting a control fluid into a sealed space 21 formed by the stator casing 6 and the sleeve 7 disposed on the inner diameter side thereof, the sleeve 7 is expanded to the inner diameter side, whereby the wound body 25, the first exterior portion The stator 9 is pressurized toward the inner diameter side via the 28 and the second exterior part 29.
  • the injection port 26 is connected to the lower center of the stator casing 6.
  • the control fluid can be injected into the sealed space 21 defined by the stator casing 6 and the sleeve 7 through the injection port 26.
  • a pouring port 27 is connected to the upper center of the stator casing 6 so that the control fluid can be poured.
  • the discharge port 27 is provided with a pressure gauge to detect the pressure of the control fluid in the sealed space 21. The pressure detected by the pressure gauge is input to a control device (not shown) and is used to control the flow rate and pressure of the control fluid injected through the injection port 26.
  • the first exterior part 28 and the second exterior part 29 are formed in a plate shape, unlike those according to the first embodiment.
  • the exterior portions 28 and 29 are substantially dodecagons that conform to the outer surface shape of the stator 9 when arranged on the outer periphery of the stator 9.
  • a gap is formed between both side edges of the first exterior part 28 and the second exterior part 29.
  • the exterior parts 28 and 29 can be approached and the stator 9 can be elastically deformed inside.
  • both side edges are in contact with each other, the stator 9 cannot be compressed more than necessary because it cannot be moved further.
  • the wound body 25 is made of heat-resistant plastic or the like, wound around the exterior body 8, and prevents the first exterior portion 28 and the second exterior portion 29 from being temporarily displaced with respect to the stator 9 to be displaced. Used for That is, the first exterior portion 28 and the second exterior portion 29 are prevented from being displaced in the circumferential direction and the edges of both are prevented from overlapping each other.
  • the first exterior portion 28 and the second exterior portion 29 are arranged along the outer surface shape of the stator 9, and the outer surfaces are substantially decagonal. Even if the wound body 25 has such a polygonal shape, it can be wound, and the first exterior portion 28 and the second exterior portion 29 can be easily temporarily fixed to the stator 9.
  • the assembly work of the first exterior portion 28 and the second exterior portion 29 to the stator 9 is performed with a simple and inexpensive configuration in which the wound body 25 is wound around them. Can do. It is not necessary to align the exterior parts with high accuracy.
  • a control fluid is injected into the sealed space 21 so that the fluid can be conveyed at a desired discharge pressure in advance.
  • the sleeve 7 expands inward, and the stator 9 is pressed by the exterior body 8 via the wound body 25.
  • the rotor 9 can be pressed by the stator 9 with a desired contact pressure, and the fluid can be discharged at a predetermined discharge pressure, as in the first embodiment.
  • the configuration of the exterior body 8 can be simplified and temporarily fixed by simply winding the wound body 25 along the stator 9. Therefore, workability can be improved and it can be manufactured at low cost.
  • the amount of the control fluid injected into the sealed space 21 is determined so as to be discharged at a desired discharge pressure according to the rotational speed of the rotor 10. You may determine according to the change of the discharge amount and discharge pressure accompanying the liquid temperature change of an animal. In the former case, the amount of the control fluid injected into the sealed space 21 is determined based on the elapsed time from the start of use so that the discharge amount (or discharge pressure) of the fluid becomes a desired value based on the elapsed time from the start of use. do it. In the latter case, the amount of the control fluid injected into the sealed space 21 is determined by experiments or the like in advance so that the discharge amount (or discharge pressure) of the fluid becomes a desired value based on the temperature or the liquid temperature of the fluid. Just decide.
  • FIG. 6 shows an example in which the exterior body 8 is configured by four divisions consisting of four exterior portions 8a to 8d having a 1 ⁇ 4 circle cross section.
  • Each of the exterior portions 8a to 8d can move in the radial direction (inner diameter side and outer diameter side), and by moving to the inner diameter side, the side end surfaces of the adjacent exterior portions abut each other, and are connected in an annular shape. It becomes a state.
  • the exterior body 8 was moved with the fluid pressure of the control fluid which flowed in in the sealed space 21, as shown in FIG.7 and FIG.8, the exterior body 8 is made by the press member 30. FIG. You may make it move.
  • the 1st exterior part 22 is arrange
  • the first exterior portion 22 has a flange-shaped pressing portion 30 a on one end side, and is pressed by a rod-shaped pressing member 30 urged downward by a spring 31.
  • the urging force of the spring 31 may be set to a value that allows the first exterior portion 22 to move upward when the internal pressure becomes larger than a preset value (set value) due to the fluid.
  • set value for example, a value slightly larger than the desired discharge pressure may be set so as to absorb the fluctuation of the discharge pressure.
  • a drive mechanism that moves the first exterior portion 22 upward against the urging force of the spring 31 by air pressure or the like may be provided. According to this, unlike the case where only the spring 31 is provided, the force applied to the exterior body 8 can be finely adjusted as in the above-described embodiment.
  • the structure is the same as in FIG. 7, and the pressing member 30 is a movable iron core, and a solenoid 32 is disposed on the outer periphery thereof.
  • the pressing member 30 is reciprocated by exciting and demagnetizing the solenoid 32, and the pressing force by the pressing member 30 is increased by increasing the current value that is conducted when the solenoid 32 is excited.
  • only the first exterior part 22 is pressed by the pressing member 30, but the second exterior part 23 may also be pressed by another pressing member.
  • the number of pressing members can be increased according to the number of divisions.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
PCT/JP2015/074717 2015-01-09 2015-08-31 一軸偏心ねじポンプ WO2016111040A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE112015005921.0T DE112015005921T5 (de) 2015-01-09 2015-08-31 Uniaxial Exzenterschraubenpumpe
KR1020177018740A KR101930664B1 (ko) 2015-01-09 2015-08-31 1축 편심 나사 펌프
CN201580072823.8A CN107110153B (zh) 2015-01-09 2015-08-31 单轴偏心螺杆泵
MYPI2017702447A MY186111A (en) 2015-01-09 2015-08-31 Uniaxial eccentric screw pump

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-003379 2015-01-09
JP2015003379A JP6421372B2 (ja) 2015-01-09 2015-01-09 一軸偏心ねじポンプ

Publications (1)

Publication Number Publication Date
WO2016111040A1 true WO2016111040A1 (ja) 2016-07-14

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Application Number Title Priority Date Filing Date
PCT/JP2015/074717 WO2016111040A1 (ja) 2015-01-09 2015-08-31 一軸偏心ねじポンプ

Country Status (7)

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JP (1) JP6421372B2 (ko)
KR (1) KR101930664B1 (ko)
CN (1) CN107110153B (ko)
DE (1) DE112015005921T5 (ko)
MY (1) MY186111A (ko)
TW (1) TWI662191B (ko)
WO (1) WO2016111040A1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106762610A (zh) * 2016-11-16 2017-05-31 哈尔滨天顺化工科技开发有限公司 一种用于制作聚丙烯腈原液的螺杆泵定子
JP6824537B1 (ja) * 2019-09-24 2021-02-03 兵神装備株式会社 一軸偏心ねじポンプ
KR20230057693A (ko) 2021-10-22 2023-05-02 주식회사 엘지에너지솔루션 전극 코팅 슬러리 공급 펌프용 맥동저감장치

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796029A (en) * 1955-08-15 1957-06-18 Robbins & Myers Helical gear pump with adjustable stator compression
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass
US3028812A (en) * 1960-03-01 1962-04-10 Scotti Ambrogio Hydraulic mechanical device for tightening tubular elastic elements
US3084631A (en) * 1962-01-17 1963-04-09 Robbins & Myers Helical gear pump with stator compression
US3139035A (en) * 1960-10-24 1964-06-30 Walter J O'connor Cavity pump mechanism
JPS5022310A (ko) * 1973-06-19 1975-03-10

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1553199C3 (de) * 1966-03-15 1974-03-07 Karl Dipl.-Ing. 7024 Bernhausen Schlecht Nachstellbarer Stator für eine Exzenter-Schraubenpumpe
CN203404071U (zh) * 2013-06-24 2014-01-22 无锡市新兴工业泵厂 一种衬套

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2796029A (en) * 1955-08-15 1957-06-18 Robbins & Myers Helical gear pump with adjustable stator compression
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass
US3028812A (en) * 1960-03-01 1962-04-10 Scotti Ambrogio Hydraulic mechanical device for tightening tubular elastic elements
US3139035A (en) * 1960-10-24 1964-06-30 Walter J O'connor Cavity pump mechanism
US3084631A (en) * 1962-01-17 1963-04-09 Robbins & Myers Helical gear pump with stator compression
JPS5022310A (ko) * 1973-06-19 1975-03-10

Also Published As

Publication number Publication date
TW201629350A (zh) 2016-08-16
JP6421372B2 (ja) 2018-11-14
CN107110153B (zh) 2019-01-04
KR20170093916A (ko) 2017-08-16
KR101930664B1 (ko) 2018-12-18
TWI662191B (zh) 2019-06-11
CN107110153A (zh) 2017-08-29
MY186111A (en) 2021-06-22
JP2016128670A (ja) 2016-07-14
DE112015005921T5 (de) 2017-10-05

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