GB1405955A - Rotary positive displacement pump - Google Patents

Rotary positive displacement pump

Info

Publication number
GB1405955A
GB1405955A GB4710672A GB4710672A GB1405955A GB 1405955 A GB1405955 A GB 1405955A GB 4710672 A GB4710672 A GB 4710672A GB 4710672 A GB4710672 A GB 4710672A GB 1405955 A GB1405955 A GB 1405955A
Authority
GB
United Kingdom
Prior art keywords
rotor
lobe
hub
rotary positive
shaft
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.)
Expired
Application number
GB4710672A
Other languages
English (en)
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.)
Ransburg Corp
Original Assignee
Ransburg Corp
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 Ransburg Corp filed Critical Ransburg Corp
Publication of GB1405955A publication Critical patent/GB1405955A/en
Expired legal-status Critical Current

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
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/126—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with radially from the rotor body extending elements, not necessarily co-operating with corresponding recesses in the other rotor, e.g. lobes, Roots 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
    • 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
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
    • F04C15/0049—Equalization of pressure pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB4710672A 1971-10-14 1972-10-12 Rotary positive displacement pump Expired GB1405955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18943271A 1971-10-14 1971-10-14

Publications (1)

Publication Number Publication Date
GB1405955A true GB1405955A (en) 1975-09-10

Family

ID=22697303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4710672A Expired GB1405955A (en) 1971-10-14 1972-10-12 Rotary positive displacement pump

Country Status (6)

Country Link
AU (1) AU459524B2 (fr)
BE (1) BE790061A (fr)
CA (1) CA971424A (fr)
FR (1) FR2203441A5 (fr)
GB (1) GB1405955A (fr)
SE (1) SE389378B (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108593031A (zh) * 2018-06-08 2018-09-28 陕西鑫联仪器仪表有限公司 转子及包含其的容积式流量计
WO2019171076A1 (fr) * 2018-03-09 2019-09-12 Edwards Limited Pompe à vide et rotor de pompe à vide
WO2020245204A1 (fr) * 2019-06-06 2020-12-10 Haarslev Industries A/S Rotor et pompe
CN115298439A (zh) * 2020-03-31 2022-11-04 阿法拉伐股份有限公司 旋转正排量泵

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293290A (en) * 1979-05-04 1981-10-06 Crepaco, Inc. Positive displacement rotary pump with bearings in countersunk portions of the rotors
IT8083478A0 (it) * 1979-12-10 1980-12-09 Mervyn Roy Marsh Dispositivo idraulico funzionante come pompa rotativa o motore rotativo a tenuta rotante.
US5318415A (en) * 1992-10-02 1994-06-07 Gramprotex Holdings Inc. Grooved pump chamber walls for flushing fiber deposits

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019171076A1 (fr) * 2018-03-09 2019-09-12 Edwards Limited Pompe à vide et rotor de pompe à vide
WO2019171075A1 (fr) * 2018-03-09 2019-09-12 Edwards Limited Pompe à vide et rotor de pompe à vide
WO2019171074A1 (fr) * 2018-03-09 2019-09-12 Edwards Limited Pompe à vide dotée d'une soupape de surpression
CN111801498A (zh) * 2018-03-09 2020-10-20 爱德华兹有限公司 具有卸压阀的真空泵
CN111801498B (zh) * 2018-03-09 2023-03-10 爱德华兹有限公司 具有卸压阀的真空泵
CN108593031A (zh) * 2018-06-08 2018-09-28 陕西鑫联仪器仪表有限公司 转子及包含其的容积式流量计
CN108593031B (zh) * 2018-06-08 2024-12-27 陕西鑫联仪器仪表有限公司 转子及包含其的容积式流量计
WO2020245204A1 (fr) * 2019-06-06 2020-12-10 Haarslev Industries A/S Rotor et pompe
US12416307B2 (en) 2019-06-06 2025-09-16 Haarslev Industries A/S Asymmetric rotor including a cutting edge and a pump that includes the asymmetric rotor
CN115298439A (zh) * 2020-03-31 2022-11-04 阿法拉伐股份有限公司 旋转正排量泵
CN115298439B (zh) * 2020-03-31 2023-10-13 阿法拉伐股份有限公司 旋转正排量泵
US12060882B2 (en) 2020-03-31 2024-08-13 Alfa Laval Corporate Ab Rotary positive displacement pump

Also Published As

Publication number Publication date
BE790061A (fr) 1973-02-01
CA971424A (en) 1975-07-22
FR2203441A5 (fr) 1974-05-10
AU459524B2 (en) 1975-03-27
DE2250347A1 (de) 1973-04-19
SE389378B (sv) 1976-11-01
AU4725272A (en) 1974-04-04
DE2250347B2 (de) 1977-03-03

Similar Documents

Publication Publication Date Title
GB1424725A (en) Rotary meshing screw compressors
US3515496A (en) Variable capacity positive displacement pump
GB1177733A (en) Improvements in and relating to Hydraulic Rotary Motors or Pumps
GB1373955A (en) Combined viscosity pump and electric motor
GB1405955A (en) Rotary positive displacement pump
GB1494286A (en) Submersible fuel pumps
GB1374597A (en) Rotary sliding vane pumps and motors
GB1155154A (en) Rotary hydraulic machines
US2735372A (en) Gear pump or motor
GB1388368A (en) Displacement machine such as a pump
GB1336478A (en) Rotary positive-displacement pumps
GB1450716A (en) Rotary positive displacement pumps and motors
GB1398079A (en) Liquid pump
JP3102522B2 (ja) ギヤポンプ
EP0276252B1 (fr) Compresseur rotatif a vis
EP0107824A1 (fr) Pompe à engrenage intérieur
US3563679A (en) Pressure-compensated gear-rotor hydraulic motor or pump
GB1504380A (en) Rotary fluid machine
GB746628A (en) Improvements in pumps or motors of the meshing screw type
GB1139451A (en) Improvements in and relating to rotary positive displacement pump
GB1453839A (en) Radial piston hydraulic pump
CN208330718U (zh) 高密封性齿轮油泵
US3311291A (en) Helical screw compressors
GB1272758A (en) Vane-type hydraulic pumps and motors
SU1209931A1 (ru) Шиберный насос

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee