FR847225A - Improvements to helicoid-type propulsion devices - Google Patents

Improvements to helicoid-type propulsion devices

Info

Publication number
FR847225A
FR847225A FR847225DA FR847225A FR 847225 A FR847225 A FR 847225A FR 847225D A FR847225D A FR 847225DA FR 847225 A FR847225 A FR 847225A
Authority
FR
France
Prior art keywords
helicoid
propulsion devices
type propulsion
type
devices
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
Other languages
French (fr)
Inventor
Mc Intyre
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
Application granted granted Critical
Publication of FR847225A publication Critical patent/FR847225A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D19/00Axial-flow pumps
    • F04D19/02Multi-stage pumps
    • F04D19/028Layout of fluid flow through the stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR847225D 1938-12-07 1938-12-07 Improvements to helicoid-type propulsion devices Expired FR847225A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR847225T 1938-12-07

Publications (1)

Publication Number Publication Date
FR847225A true FR847225A (en) 1939-10-05

Family

ID=9313715

Family Applications (1)

Application Number Title Priority Date Filing Date
FR847225D Expired FR847225A (en) 1938-12-07 1938-12-07 Improvements to helicoid-type propulsion devices

Country Status (1)

Country Link
FR (1) FR847225A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685393A1 (en) * 1991-12-20 1993-06-25 Nippon Denso Co AXIAL FAN IN PARTICULAR FOR A MOTOR VEHICLE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2685393A1 (en) * 1991-12-20 1993-06-25 Nippon Denso Co AXIAL FAN IN PARTICULAR FOR A MOTOR VEHICLE.

Similar Documents

Publication Publication Date Title
FR879627A (en) Improvements to dust extractors
FR858007A (en) Improvements to nuts
FR879625A (en) Improvements to dust extractors
FR854285A (en) Improvements to telephone devices
FR874909A (en) Improvements to vibrating devices
FR847225A (en) Improvements to helicoid-type propulsion devices
FR848160A (en) Improvements to lubrication devices
FR838619A (en) Improvements to clamps
FR834246A (en) Improvements to projector supports
FR851543A (en) Improvements to drying devices
FR856946A (en) Improvements to sedimentation devices
FR846853A (en) Improvements to foaming devices
FR853298A (en) Improvements to projection devices
FR879626A (en) Improvements to dust extractors
FR851572A (en) Improvements to metallurgical devices
FR851571A (en) Improvements to metallurgical devices
FR867546A (en) Improvements to thermal switches
FR853847A (en) Improvements to recording devices
FR860786A (en) Improvements to containers
FR855797A (en) Improvements to gyroscopic devices
FR873908A (en) Improvements to gyroscopic devices
FR49999E (en) Improvements to gyroscopic devices
FR839335A (en) Improvements to telephone devices
FR848948A (en) Improvements to mower-harvesters
FR873101A (en) Improvements to radiogonioneters