FR685301A - Tuyau à surface intérieure à gradins - Google Patents

Tuyau à surface intérieure à gradins

Info

Publication number
FR685301A
FR685301A FR685301DA FR685301A FR 685301 A FR685301 A FR 685301A FR 685301D A FR685301D A FR 685301DA FR 685301 A FR685301 A FR 685301A
Authority
FR
France
Prior art keywords
surface pipe
stepped inner
stepped
pipe
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
English (en)
Inventor
Ugo Antoni
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 FR685301A publication Critical patent/FR685301A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • F15D1/06—Influencing flow of fluids in pipes or conduits by influencing the boundary layer
    • F15D1/065—Whereby an element is dispersed in a pipe over the whole length or whereby several elements are regularly distributed in a pipe

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR685301D 1929-11-23 1929-11-21 Tuyau à surface intérieure à gradins Expired FR685301A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT685301X 1929-11-23

Publications (1)

Publication Number Publication Date
FR685301A true FR685301A (fr) 1930-07-09

Family

ID=11309731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR685301D Expired FR685301A (fr) 1929-11-23 1929-11-21 Tuyau à surface intérieure à gradins

Country Status (1)

Country Link
FR (1) FR685301A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915136A (en) * 1956-05-28 1959-12-01 Friedrich O Ringleb Apparatus for suppressing noise
DE1187432B (de) * 1960-11-19 1965-02-18 Theodor Helmbold Dr Ing Diffusor mit Fuehrungsmulden fuer die Hauptstroemung beruehrende Potentialwirbel
EP1161915A2 (fr) * 2000-04-18 2001-12-12 Vorwerk & Co. Interholding GmbH Canal de conduit d'air
JP2015021547A (ja) * 2013-07-18 2015-02-02 国立大学法人東京農工大学 流体輸送用管
JP2016044754A (ja) * 2014-08-22 2016-04-04 トヨタ自動車株式会社 流体輸送管

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915136A (en) * 1956-05-28 1959-12-01 Friedrich O Ringleb Apparatus for suppressing noise
DE1187432B (de) * 1960-11-19 1965-02-18 Theodor Helmbold Dr Ing Diffusor mit Fuehrungsmulden fuer die Hauptstroemung beruehrende Potentialwirbel
EP1161915A2 (fr) * 2000-04-18 2001-12-12 Vorwerk & Co. Interholding GmbH Canal de conduit d'air
EP1161915A3 (fr) * 2000-04-18 2005-04-20 Vorwerk & Co. Interholding GmbH Canal de conduit d'air
JP2015021547A (ja) * 2013-07-18 2015-02-02 国立大学法人東京農工大学 流体輸送用管
JP2016044754A (ja) * 2014-08-22 2016-04-04 トヨタ自動車株式会社 流体輸送管

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