NL91306C - - Google Patents

Info

Publication number
NL91306C
NL91306C NL91306DA NL91306C NL 91306 C NL91306 C NL 91306C NL 91306D A NL91306D A NL 91306DA NL 91306 C NL91306 C NL 91306C
Authority
NL
Netherlands
Application number
Publication of NL91306C publication Critical patent/NL91306C/xx

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
    • F04C2/1075—Construction of the stationary member

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
NL91306D NL91306C (enExample)

Publications (1)

Publication Number Publication Date
NL91306C true NL91306C (enExample)

Family

ID=1835242

Family Applications (1)

Application Number Title Priority Date Filing Date
NL91306D NL91306C (enExample)

Country Status (1)

Country Link
NL (1) NL91306C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030862A (en) * 1974-04-22 1977-06-21 Erik Larsson Helical gear pump and method of manufacturing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030862A (en) * 1974-04-22 1977-06-21 Erik Larsson Helical gear pump and method of manufacturing the same

Similar Documents

Publication Publication Date Title
CA2315043C (en) Methods of making stators for moineau pumps
US2553548A (en) Rotary internal-combustion engine of the helical piston type
US3603407A (en) Well drilling apparatus
US2463341A (en) Motor pump with sand trap and piming means
US2874643A (en) Helical gear pump with stator compression
EP1845262A2 (en) Axial flow positive displacement worm pump
US5193931A (en) Jointing system
US4030862A (en) Helical gear pump and method of manufacturing the same
US20100006342A1 (en) Method of making wellbore moineau devices
DE10335966B3 (de) Exzenterschneckenpumpe
CN104874978B (zh) 全金属螺杆定子的加工方法
US7578663B2 (en) Combined pump with rotodynamic impeller
NL91306C (enExample)