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GB842484A - Improvements in pumping apparatus - Google Patents

Improvements in pumping apparatus

Info

Publication number
GB842484A
GB842484A GB3657857A GB3657857A GB842484A GB 842484 A GB842484 A GB 842484A GB 3657857 A GB3657857 A GB 3657857A GB 3657857 A GB3657857 A GB 3657857A GB 842484 A GB842484 A GB 842484A
Authority
GB
United Kingdom
Prior art keywords
rotary
stator
pump
incorporating
colcrete
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
GB3657857A
Inventor
Leonard Truman Davies
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.)
Keller Colcrete Ltd
Original Assignee
Colcrete Ltd
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 Colcrete Ltd filed Critical Colcrete Ltd
Priority to GB3657857A priority Critical patent/GB842484A/en
Publication of GB842484A publication Critical patent/GB842484A/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
    • F04C2/10—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

Landscapes

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

Abstract

842,484. Rotary pumps. COLCRETE Ltd. Nov. 23, 1957, No. 36578/57. Class 110 (2). In a rotary pump of the meshing screw type including a rotary screw 18 and a resilient stator 22 the stator is adapted to be longitudinally compressed in order to reduce the working chambers 41 in cross-section by means of an outer casing having a muff coupling 53, Fig. 4, or a bolted flange connection 31, 32 incorporating removable shims 36, 40. In a modification, Fig. 3 (not shown), the three aligned bolts of Fig. 2 are replaced by two studs threaded into a common nut. The pump is connected to a feed hopper and discharges through a conduit incorporating a pressure gauge and relief valve assembly (see Figs. 1, 5 and 6 (not shown).
GB3657857A 1957-11-23 1957-11-23 Improvements in pumping apparatus Expired GB842484A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3657857A GB842484A (en) 1957-11-23 1957-11-23 Improvements in pumping apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3657857A GB842484A (en) 1957-11-23 1957-11-23 Improvements in pumping apparatus

Publications (1)

Publication Number Publication Date
GB842484A true GB842484A (en) 1960-07-27

Family

ID=10389415

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3657857A Expired GB842484A (en) 1957-11-23 1957-11-23 Improvements in pumping apparatus

Country Status (1)

Country Link
GB (1) GB842484A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838949A (en) * 1973-03-15 1974-10-01 Sumimoto Shipbuilding & Machin Helical gear pump
US4029443A (en) * 1974-11-27 1977-06-14 Olin Corporation Progressing cavity pump
WO2017176239A1 (en) * 2016-04-04 2017-10-12 Indigo Power Systems Llc Heat exchanger

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3838949A (en) * 1973-03-15 1974-10-01 Sumimoto Shipbuilding & Machin Helical gear pump
US4029443A (en) * 1974-11-27 1977-06-14 Olin Corporation Progressing cavity pump
WO2017176239A1 (en) * 2016-04-04 2017-10-12 Indigo Power Systems Llc Heat exchanger

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