CH419423A - Roots pump driven by a DC motor - Google Patents

Roots pump driven by a DC motor

Info

Publication number
CH419423A
CH419423A CH260462A CH260462A CH419423A CH 419423 A CH419423 A CH 419423A CH 260462 A CH260462 A CH 260462A CH 260462 A CH260462 A CH 260462A CH 419423 A CH419423 A CH 419423A
Authority
CH
Switzerland
Prior art keywords
motor
pump driven
roots pump
roots
driven
Prior art date
Application number
CH260462A
Other languages
German (de)
Inventor
Techn Heyner Johannes Dr Sc
Original Assignee
Micafil Ag
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 Micafil Ag filed Critical Micafil Ag
Priority to CH260462A priority Critical patent/CH419423A/en
Priority to GB7005/63A priority patent/GB986915A/en
Publication of CH419423A publication Critical patent/CH419423A/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
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/08—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by varying the rotational speed
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/40—Regulating or controlling the amount of current drawn or delivered by the motor for controlling the mechanical load
    • 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
    • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
    • F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C18/126—Rotary-piston pumps specially adapted for elastic fluids 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
CH260462A 1962-03-01 1962-03-01 Roots pump driven by a DC motor CH419423A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH260462A CH419423A (en) 1962-03-01 1962-03-01 Roots pump driven by a DC motor
GB7005/63A GB986915A (en) 1962-03-01 1963-02-21 Improvements in and relating to evacuating arrangements employing a roots pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH260462A CH419423A (en) 1962-03-01 1962-03-01 Roots pump driven by a DC motor

Publications (1)

Publication Number Publication Date
CH419423A true CH419423A (en) 1966-08-31

Family

ID=4237485

Family Applications (1)

Application Number Title Priority Date Filing Date
CH260462A CH419423A (en) 1962-03-01 1962-03-01 Roots pump driven by a DC motor

Country Status (2)

Country Link
CH (1) CH419423A (en)
GB (1) GB986915A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003155981A (en) * 2001-11-21 2003-05-30 Toyota Industries Corp Operation control method for vacuum pump and operation controller thereof

Also Published As

Publication number Publication date
GB986915A (en) 1965-03-24

Similar Documents

Publication Publication Date Title
CH423492A (en) Heavy duty gear pump
CH431279A (en) Peristaltic pump
CH425982A (en) Electric hand-held device driven by a DC motor
DK126706B (en) Motor driven ajle pump.
FR1433612A (en) Improvements to pumps
AT291002B (en) Radial centrifugal pump driven by a canned motor
CH397841A (en) Device driven by an electric motor
CH419423A (en) Roots pump driven by a DC motor
CH410641A (en) Motor pump
FR1439626A (en) Improvements to pumps
CH455916A (en) Tool driven by an electric motor
AT274588B (en) Electrically driven motor pump
FR1414030A (en) Improvements to motor pumps
CA607613A (en) Motor driven pump
DK106808C (en) Electric motor driven fluid pump.
DK109491C (en) Drive unit for coupling to a motor.
FR83913E (en) Improvements to electrically driven pumps
CH420864A (en) Motor pump
NL149680B (en) ELECTRIC MOTOR DRIVEN LAWNMOWER.
AT244767B (en) Gear pump
CA687495A (en) Motor driven pumps
AT245940B (en) Drive mechanism for metering pumps
AT267416B (en) Synchronous clock for drive by a mains-fed synchronous motor
AT249797B (en) Canned motor pump
CA639591A (en) Metering pump drive arrangement