FR1451633A - System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction - Google Patents

System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction

Info

Publication number
FR1451633A
FR1451633A FR34371A FR34371A FR1451633A FR 1451633 A FR1451633 A FR 1451633A FR 34371 A FR34371 A FR 34371A FR 34371 A FR34371 A FR 34371A FR 1451633 A FR1451633 A FR 1451633A
Authority
FR
France
Prior art keywords
obtaining
same direction
base surface
rotary movement
remains constant
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
FR34371A
Other languages
French (fr)
Inventor
Rodolfo Cicatelli
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 filed Critical
Priority to FR34371A priority Critical patent/FR1451633A/en
Application granted granted Critical
Publication of FR1451633A publication Critical patent/FR1451633A/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
    • 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
    • F04C18/14—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 toothed rotary pistons
    • F04C18/16—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
    • F04C18/165—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 toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type having more than two rotary pistons with parallel axes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR34371A 1965-10-09 1965-10-09 System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction Expired FR1451633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR34371A FR1451633A (en) 1965-10-09 1965-10-09 System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR34371A FR1451633A (en) 1965-10-09 1965-10-09 System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction

Publications (1)

Publication Number Publication Date
FR1451633A true FR1451633A (en) 1966-01-07

Family

ID=8590097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR34371A Expired FR1451633A (en) 1965-10-09 1965-10-09 System for obtaining the cyclic variation of a volume whose height remains constant and whose base surface varies, by means of bodies provided with a rotary movement in the same direction

Country Status (1)

Country Link
FR (1) FR1451633A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130302196A1 (en) * 2012-04-02 2013-11-14 Afp Research, Llc Multi-channel, rotary, progressing cavity pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130302196A1 (en) * 2012-04-02 2013-11-14 Afp Research, Llc Multi-channel, rotary, progressing cavity pump
US9360009B2 (en) * 2012-04-02 2016-06-07 Afp Research, Llc Multi-channel, rotary, progressing cavity pump with multi-lobe inlet and outlet ports

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