[go: up one dir, main page]

RU2014142779A - EXCENTRIC AUGER PUMP AND USE OF THE EXCENTRIC AUGER PUMP - Google Patents

EXCENTRIC AUGER PUMP AND USE OF THE EXCENTRIC AUGER PUMP Download PDF

Info

Publication number
RU2014142779A
RU2014142779A RU2014142779A RU2014142779A RU2014142779A RU 2014142779 A RU2014142779 A RU 2014142779A RU 2014142779 A RU2014142779 A RU 2014142779A RU 2014142779 A RU2014142779 A RU 2014142779A RU 2014142779 A RU2014142779 A RU 2014142779A
Authority
RU
Russia
Prior art keywords
stator
eccentric screw
screw pump
pump
region
Prior art date
Application number
RU2014142779A
Other languages
Russian (ru)
Inventor
Лоренц ЛЕССМАНН
Элимар ФОЛЬКМАНН
Original Assignee
Неч Пумпен Унд Зистеме Гмбх
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 Неч Пумпен Унд Зистеме Гмбх filed Critical Неч Пумпен Унд Зистеме Гмбх
Publication of RU2014142779A publication Critical patent/RU2014142779A/en

Links

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
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
    • F04C14/26—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves using bypass channels
    • 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
    • F04C13/00—Adaptations of machines or pumps for special use, e.g. for extremely high pressures
    • F04C13/001—Pumps for particular liquids
    • 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
    • F04C14/28—Safety arrangements; Monitoring
    • 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
    • F04C2/1073—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 where one member is stationary while the other member rotates and orbits
    • 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
    • F04C2/1073—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 where one member is stationary while the other member rotates and orbits
    • F04C2/1075—Construction of the stationary member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Rotary Pumps (AREA)

Abstract

1. Эксцентриковый шнековый насос (1, 30) для транспортировки текучих и/или гранулированных сред (М) с корпусом (3) насоса, причем корпус (3) насоса включает в себя область (4) впуска, насосный узел (5) и область (6) выпуска, причем насосный узел (5) образован из ротора (8) и статора (7), и причем ротор (8) выполнен с возможностью эксцентрического перемещения в статоре (7), причем область (4) впуска образует сторону (S) всасывания, а область (6) выпуска - сторону (D) нагнетания эксцентрикового шнекового насоса (1, 30), и причем с эксцентриковым шнековым насосом (1, 30) соотнесено байпасное соединение (2) по меньшей мере с одним предохранительным клапаном (20) для приема и возврата текущей назад между стороной (D) нагнетания и стороной (S) всасывания эксцентрикового шнекового насоса (1, 30) среды (M), отличающийся тем, что байпасное соединение и предохранительный клапан (40) интегрированы в корпус (3) насоса эксцентрикового шнекового насоса (30).2. Эксцентриковый шнековый насос (30) по п. 1, причем байпасное соединение и предохранительный клапан (40) в области насосного узла (5) интегрированы в корпус (3) насоса эксцентрикового шнекового насоса (30).3. Эксцентриковый шнековый насос (30) по п. 1 или 2, причем статор (7) расположен в трубчатой рубашке (45), и причем между статором (7) и трубчатой рубашкой (45) образовано промежуточное пространство (44), которое находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.4. Эксцентриковый шнековый насос (30) по п. 1 или 2, причем статор (7-2) расположен в гильзе (50) статора, причем гильза (50) статора своим внутренним периметром по существу плоскостно прилегает к внешнему периметру статора (7-2), и причем между статором (7-2) и гильзой (50) статора пара1. An eccentric screw pump (1, 30) for transporting fluid and / or granular media (M) with a pump housing (3), the pump housing (3) including an inlet region (4), a pump assembly (5) and a region (6) the discharge, and the pumping unit (5) is formed from the rotor (8) and the stator (7), and the rotor (8) is made with the possibility of eccentric movement in the stator (7), and the intake region (4) forms the side (S ) suction, and the outlet area (6) - the discharge side (D) of the eccentric screw pump (1, 30), and moreover with the eccentric screw pump (1, 30), respectively There is a bypass connection (2) with at least one safety valve (20) for receiving and returning the backward flow between the discharge side (D) and the suction side (S) of the eccentric screw pump (1, 30) of the medium (M), characterized in that the bypass connection and the safety valve (40) are integrated into the pump casing (3) of the eccentric screw pump (30) .2. An eccentric screw pump (30) according to claim 1, wherein the bypass connection and the safety valve (40) in the area of the pump unit (5) are integrated into the pump casing (3) of the eccentric screw pump (30). 3. An eccentric screw pump (30) according to claim 1 or 2, wherein the stator (7) is located in the tubular jacket (45), and an intermediate space (44) is formed between the stator (7) and the tubular jacket (45), which is located in the hydrodynamic connected to the respective internal spaces of the intake region (4) and the exhaust region (5) and forms a bypass connection. 4. An eccentric screw pump (30) according to claim 1 or 2, wherein the stator (7-2) is located in the sleeve (50) of the stator, and the sleeve (50) of the stator with its inner perimeter is essentially flat against the outer perimeter of the stator (7-2) , and moreover, between the stator (7-2) and the sleeve (50) of the steam stator

Claims (16)

1. Эксцентриковый шнековый насос (1, 30) для транспортировки текучих и/или гранулированных сред (М) с корпусом (3) насоса, причем корпус (3) насоса включает в себя область (4) впуска, насосный узел (5) и область (6) выпуска, причем насосный узел (5) образован из ротора (8) и статора (7), и причем ротор (8) выполнен с возможностью эксцентрического перемещения в статоре (7), причем область (4) впуска образует сторону (S) всасывания, а область (6) выпуска - сторону (D) нагнетания эксцентрикового шнекового насоса (1, 30), и причем с эксцентриковым шнековым насосом (1, 30) соотнесено байпасное соединение (2) по меньшей мере с одним предохранительным клапаном (20) для приема и возврата текущей назад между стороной (D) нагнетания и стороной (S) всасывания эксцентрикового шнекового насоса (1, 30) среды (MR), отличающийся тем, что байпасное соединение и предохранительный клапан (40) интегрированы в корпус (3) насоса эксцентрикового шнекового насоса (30).1. An eccentric screw pump (1, 30) for transporting fluid and / or granular media (M) with a pump housing (3), the pump housing (3) including an inlet region (4), a pump assembly (5) and a region (6) the discharge, and the pumping unit (5) is formed from the rotor (8) and the stator (7), and the rotor (8) is made with the possibility of eccentric movement in the stator (7), and the intake region (4) forms the side (S ) suction, and the outlet area (6) - the discharge side (D) of the eccentric screw pump (1, 30), and moreover with the eccentric screw pump (1, 30), respectively eseno bypass connection (2) with at least one safety valve (20) for receiving and return current back between the side (D) pressurizing and side (S) of absorption of the eccentric screw pump (1, 30) of the medium (M R), wherein so that the bypass connection and the safety valve (40) are integrated into the casing (3) of the eccentric screw pump (30). 2. Эксцентриковый шнековый насос (30) по п. 1, причем байпасное соединение и предохранительный клапан (40) в области насосного узла (5) интегрированы в корпус (3) насоса эксцентрикового шнекового насоса (30).2. The eccentric screw pump (30) according to claim 1, wherein the bypass connection and the safety valve (40) in the area of the pump assembly (5) are integrated into the pump casing (3) of the eccentric screw pump (30). 3. Эксцентриковый шнековый насос (30) по п. 1 или 2, причем статор (7) расположен в трубчатой рубашке (45), и причем между статором (7) и трубчатой рубашкой (45) образовано промежуточное пространство (44), которое находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.3. An eccentric screw pump (30) according to claim 1 or 2, wherein the stator (7) is located in the tubular jacket (45), and an intermediate space (44) is formed between the stator (7) and the tubular jacket (45), which is located in a hydrodynamic connection with the corresponding internal spaces of the inlet region (4) and the outlet region (5) and forms a bypass connection. 4. Эксцентриковый шнековый насос (30) по п. 1 или 2, причем статор (7-2) расположен в гильзе (50) статора, причем гильза (50) статора своим внутренним периметром по существу плоскостно прилегает к внешнему периметру статора (7-2), и причем между статором (7-2) и гильзой (50) статора параллельно продольной оси (L) эксцентрикового шнекового насоса (30) образована по меньшей мере одна соединительная линия (52), которая через первое и второе соединения (55, 56) находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.4. An eccentric screw pump (30) according to claim 1 or 2, wherein the stator (7-2) is located in the sleeve (50) of the stator, and the sleeve (50) of the stator with its inner perimeter is essentially flat against the outer perimeter of the stator (7- 2), and moreover, between the stator (7-2) and the stator sleeve (50) parallel to the longitudinal axis (L) of the eccentric screw pump (30), at least one connecting line (52) is formed, which through the first and second connections (55, 56) is in hydrodynamic connection with the corresponding internal spaces of the intake region (4) and area (5) release and forms a bypass connection. 5. Эксцентриковый шнековый насос (30) по п. 4, причем по меньшей мере одна соединительная линия (52) образована, прежде всего, проходным углублением во внешней поверхности статора (7-2) параллельно продольной оси (L) эксцентрикового шнекового насоса (30), причем углубление простирается вдоль длины статора (7-2), прежде всего вдоль общей длины статора (7-2).5. An eccentric screw pump (30) according to claim 4, wherein at least one connecting line (52) is formed, first of all, by a passage recess in the outer surface of the stator (7-2) parallel to the longitudinal axis (L) of the eccentric screw pump (30) ), and the recess extends along the length of the stator (7-2), primarily along the total length of the stator (7-2). 6. Эксцентриковый шнековый насос (30) по п. 1, причем ротор (8-3) вдоль своей продольной оси (LR) ротора включает в себя полость (60), которая находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.6. The eccentric screw pump (30) according to claim 1, wherein the rotor (8-3) along its longitudinal axis (L R ) of the rotor includes a cavity (60), which is in hydrodynamic connection with the corresponding internal spaces of the region (4) inlet and outlet areas (5) and forms a bypass connection. 7. Эксцентриковый шнековый насос (30) по п. 2, причем ротор (8-3) вдоль своей продольной оси (LR) ротора включает в себя полость (60), которая находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.7. The eccentric screw pump (30) according to claim 2, wherein the rotor (8-3) along its longitudinal axis (L R ) of the rotor includes a cavity (60), which is in hydrodynamic connection with the corresponding internal spaces of the region (4) inlet and outlet areas (5) and forms a bypass connection. 8. Эксцентриковый шнековый насос (30) по п. 1, причем статор (7-4) имеет по меньшей мере один канал (65) обратного потока, который выполнен параллельно продольной оси (L) эксцентрикового шнекового насоса (30) вдоль длины статора, причем по меньшей мере один канал (65) обратного потока находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.8. An eccentric screw pump (30) according to claim 1, wherein the stator (7-4) has at least one return flow channel (65) that is parallel to the longitudinal axis (L) of the eccentric screw pump (30) along the length of the stator, moreover, at least one return flow channel (65) is in hydrodynamic connection with the corresponding internal spaces of the inlet region (4) and the outlet region (5) and forms a bypass connection. 9. Эксцентриковый шнековый насос (30) по п. 2, причем статор (7-4) имеет по меньшей мере один канал (65) обратного потока, который выполнен параллельно продольной оси (L) эксцентрикового шнекового насоса (30) вдоль длины статора, причем по меньшей мере один канал (65) обратного потока находится в гидродинамическом соединении с соответствующими внутренними пространствами области (4) впуска и области (5) выпуска и образует байпасное соединение.9. An eccentric screw pump (30) according to claim 2, wherein the stator (7-4) has at least one return flow channel (65) that is parallel to the longitudinal axis (L) of the eccentric screw pump (30) along the length of the stator, moreover, at least one return flow channel (65) is in hydrodynamic connection with the corresponding internal spaces of the inlet region (4) and the outlet region (5) and forms a bypass connection. 10. Эксцентриковый шнековый насос (30) по п. 6, причем канал (65) обратного потока выполнен в области между внутренней шнековой поверхностью статора (7-4) и внешней поверхностью статора (7-4), и причем канал (65) обратного потока не имеет никакого открытого соединения с внутренней шнековой поверхностью статора (7-4) и/или внешней боковой поверхностью статора (7-4).10. An eccentric screw pump (30) according to claim 6, wherein the return flow channel (65) is made in the region between the internal stator screw surface (7-4) and the external stator surface (7-4), and the return channel (65) the flow has no open connection with the internal screw surface of the stator (7-4) and / or the external lateral surface of the stator (7-4). 11. Эксцентриковый шнековый насос (30) по п. 7, причем канал (65) обратного потока выполнен в области между внутренней шнековой поверхностью статора (7-4) и внешней поверхностью статора (7-4), и причем канал (65) обратного потока не имеет никакого открытого соединения с внутренней шнековой поверхностью статора (7-4) и/или внешней боковой поверхностью статора (7-4).11. An eccentric screw pump (30) according to claim 7, wherein the return flow channel (65) is made in the region between the internal stator screw surface (7-4) and the external stator surface (7-4), and the return channel (65) the flow has no open connection with the internal screw surface of the stator (7-4) and / or the external lateral surface of the stator (7-4). 12. Эксцентриковый шнековый насос (30) по одному из пп. 6-9, причем в статоре (7-4) отлит по меньшей мере один канал (65) обратного потока.12. The eccentric screw pump (30) according to one of paragraphs. 6-9, wherein at least one return flow channel (65) is cast in the stator (7-4). 13. Эксцентриковый шнековый насос (30) по одному из пп. 6-11, причем предохранительный клапан (40) расположен внутри канала (65) обратного потока, прежде всего, причем предохранительный клапан (40) расположен в области между областью (4) впуска и насосным узлом (5).13. The eccentric screw pump (30) according to one of paragraphs. 6-11, moreover, the safety valve (40) is located inside the return flow channel (65), first of all, the safety valve (40) is located in the region between the intake region (4) and the pump unit (5). 14. Эксцентриковый шнековый насос (30) по одному из пп. 6-11, причем предохранительный клапан (40*) интегрирован в область выпуска (6) корпуса (3) насоса, и причем выходное отверстие предохранительного клапана (40*) через первое соединение (6) оканчивается в канале (65) обратного потока.14. The eccentric screw pump (30) according to one of paragraphs. 6-11, moreover, the safety valve (40 *) is integrated into the outlet region (6) of the pump housing (3), and the outlet of the safety valve (40 *) through the first connection (6) terminates in the return flow channel (65). 15. Эксцентриковый шнековый насос (30) по п. 1 или 2, причем предохранительный клапан (40, 40*) является перепускным клапаном.15. The eccentric screw pump (30) according to claim 1 or 2, wherein the safety valve (40, 40 *) is a bypass valve. 16. Применение эксцентрикового шнекового насоса (30) по одному из предшествующих пунктов для транспортировки текучих и/или гранулированных сред (М) в буровой скважине. 16. The use of an eccentric screw pump (30) according to one of the preceding paragraphs for transporting fluid and / or granular media (M) in a borehole.
RU2014142779A 2013-10-24 2014-10-23 EXCENTRIC AUGER PUMP AND USE OF THE EXCENTRIC AUGER PUMP RU2014142779A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013111716.3 2013-10-24
DE201310111716 DE102013111716B3 (en) 2013-10-24 2013-10-24 Eccentric screw pump and use of an eccentric screw pump

Publications (1)

Publication Number Publication Date
RU2014142779A true RU2014142779A (en) 2016-05-20

Family

ID=51752975

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2014142779A RU2014142779A (en) 2013-10-24 2014-10-23 EXCENTRIC AUGER PUMP AND USE OF THE EXCENTRIC AUGER PUMP

Country Status (7)

Country Link
US (1) US20150118085A1 (en)
EP (1) EP2873862A1 (en)
CN (1) CN104564655A (en)
AU (1) AU2014240308B2 (en)
BR (1) BR102014025717A2 (en)
DE (1) DE102013111716B3 (en)
RU (1) RU2014142779A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3020097B1 (en) * 2014-04-22 2019-07-19 Pcm Technologies ADVANCED CAVITY PUMP
DK3112682T3 (en) * 2014-05-12 2021-08-23 Hugo Vogelsang Maschb Gmbh Eccentric screw pump with mounting through the hollow rotor.
DE102015101352A1 (en) * 2015-01-29 2016-08-04 Netzsch Pumpen & Systeme Gmbh Stator-rotor system and method for adjusting a stator in a stator-rotor system
CN106678036B (en) * 2015-11-10 2019-01-11 耐驰（兰州）泵业有限公司 Adjustable stator for eccentrie helical totorpump
DE102016207247A1 (en) * 2016-04-28 2017-11-02 BSH Hausgeräte GmbH Cavity Pump
DE102018117374A1 (en) * 2018-07-18 2020-01-23 Seepex Gmbh pump housing
CN108825511A (en) * 2018-07-23 2018-11-16 无锡唯勒科技有限公司 Single-screw rotor pump

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2505136A (en) * 1946-06-18 1950-04-25 Robbins & Myers Internal helical gear pump
US2527673A (en) * 1947-02-28 1950-10-31 Robbins & Myers Internal helical gear pump
US3011445A (en) * 1957-11-13 1961-12-05 Robbin & Myers Inc Helical gear pump with by-pass
US3989418A (en) * 1973-05-18 1976-11-02 Swanson Engineering Inc. Fluid pump for use in explosive bore holes
US4011917A (en) * 1974-08-19 1977-03-15 Wladimir Tiraspolsky Process and universal downhole motor for driving a tool
DE3818508A1 (en) * 1988-05-31 1989-12-07 Netzsch Mohnopumpen Gmbh Sterilisable model of an eccentric screw pump
US5220829A (en) * 1990-10-23 1993-06-22 Halliburton Company Downhole formation pump
DE4330226C1 (en) * 1993-09-07 1994-09-08 Bornemann J H Gmbh & Co Eccentric worm screw pump
BRPI0603597A (en) * 2006-08-23 2008-04-15 Higra Ind Ltda progressive vortex pump
US7757781B2 (en) * 2007-10-12 2010-07-20 Halliburton Energy Services, Inc. Downhole motor assembly and method for torque regulation
AR064436A1 (en) * 2007-12-19 2009-04-01 Knoop Eberardo COUPLING BETWEEN MOTOR AND HELICOIDAL ROTOR FOR PROGRESSIVE CAVITY PUMPS
CN201318291Y (en) * 2008-12-17 2009-09-30 杭州兴龙泵业有限公司 Skidded special sulfonate screw pump system

Also Published As

Publication number Publication date
AU2014240308A1 (en) 2015-05-14
EP2873862A1 (en) 2015-05-20
BR102014025717A2 (en) 2015-09-22
DE102013111716B3 (en) 2015-03-19
US20150118085A1 (en) 2015-04-30
AU2014240308B2 (en) 2016-03-31
CN104564655A (en) 2015-04-29

Similar Documents

Publication Publication Date Title
RU2014142779A (en) EXCENTRIC AUGER PUMP AND USE OF THE EXCENTRIC AUGER PUMP
CN103883520B (en) The rotor-type submersible pump of eccentric shaft and motor direct connection
RU2013142628A (en) PUMP BLOCK FOR WATER JET SURGERY
RU2016108997A (en) LIQUID PUMP PUMP, AND ALSO THE WHEEL ASSEMBLY
WO2011064281A3 (en) Vane pump
EA201900061A1 (en) SINGLE-ACCESS CENTRIFUGAL PUMP UNIT
JP2015227544A5 (en)
RU2007100541A (en) PUMPING UNIT FOR SIMULTANEOUS-SEPARATE OPERATION OF TWO LAYERS IN A WELL
CN103883496B (en) Rotator type multistage pump
MY176180A (en) Drilling tool
WO2011149842A3 (en) Multiphase pump flow recirculation system
RU2010139516A (en) SUBMERSIBLE ELECTRIC HYDRAULIC INSTALLATION
CN102619775A (en) Core tube capable of inhibiting centrifugal pump inlet backflow
CN106151745A (en) A kind of pipeline shunt device of portable
RU2017104297A (en) FLOW DISPERSANT
RU169177U1 (en) VERTICAL PUMP PUMP UNIT
ATE384870T1 (en) HYDRAULIC PUMP
WO2015069345A3 (en) Fuel system with liquid ring pump with centrifugal air/fuel separator
RU2018100476A (en) OIL PRODUCTION SYSTEM
CN205331035U (en) Three step care spiral flute profile choma structure for pump
CN205277920U (en) Water pump cover
RU161013U1 (en) CENTRIFUGAL SECTIONAL TWO FLOW PUMP
CN202914302U (en) Balance pump
GB201204779D0 (en) Wave actuated pump
CN205823659U (en) A kind of novel energy-conserving proof submersible sand discharging pump

Legal Events

Date Code Title Description
FA93 Acknowledgement of application withdrawn (no request for examination)

Effective date: 20171024