FR2358550A1 - Dispositif pour elever le rendement d'une helice - Google Patents

Dispositif pour elever le rendement d'une helice

Info

Publication number
FR2358550A1
FR2358550A1 FR7621728A FR7621728A FR2358550A1 FR 2358550 A1 FR2358550 A1 FR 2358550A1 FR 7621728 A FR7621728 A FR 7621728A FR 7621728 A FR7621728 A FR 7621728A FR 2358550 A1 FR2358550 A1 FR 2358550A1
Authority
FR
France
Prior art keywords
silicone resin
increased efficiency
resin coated
coated surfaces
ships screw
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.)
Granted
Application number
FR7621728A
Other languages
English (en)
Other versions
FR2358550B3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7621728A priority Critical patent/FR2358550A1/fr
Priority to BE179578A priority patent/BE857091A/fr
Publication of FR2358550A1 publication Critical patent/FR2358550A1/fr
Application granted granted Critical
Publication of FR2358550B3 publication Critical patent/FR2358550B3/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H5/00—Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07—Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/14—Arrangements on vessels of propulsion elements directly acting on water of propellers characterised by being mounted in non-rotating ducts or rings, e.g. adjustable for steering purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/545—Ducts
    • F04D29/547—Ducts having a special shape in order to influence fluid flow

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Prostheses (AREA)

Abstract

Dispositif pour élever le rendement d'une hélice caractérisé en ce que l'hélice est disposée coaxialement à l'intérieur d'un carénage de forme générale interne annulaire ou cylindrique.
FR7621728A 1976-07-16 1976-07-16 Dispositif pour elever le rendement d'une helice Granted FR2358550A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7621728A FR2358550A1 (fr) 1976-07-16 1976-07-16 Dispositif pour elever le rendement d'une helice
BE179578A BE857091A (fr) 1976-07-16 1977-07-25 Dispositif destine a augmenter le rendement d'une helice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7621728A FR2358550A1 (fr) 1976-07-16 1976-07-16 Dispositif pour elever le rendement d'une helice

Publications (2)

Publication Number Publication Date
FR2358550A1 true FR2358550A1 (fr) 1978-02-10
FR2358550B3 FR2358550B3 (fr) 1979-04-06

Family

ID=9175785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7621728A Granted FR2358550A1 (fr) 1976-07-16 1976-07-16 Dispositif pour elever le rendement d'une helice

Country Status (2)

Country Link
BE (1) BE857091A (fr)
FR (1) FR2358550A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771373A1 (fr) * 1997-10-20 1999-05-28 Michel Ebersolt Tuyere silencieuse
EP1211426A2 (fr) * 2000-12-01 2002-06-05 Papst-Motoren GmbH & Co. KG Boítier d'un ventilateur, en particulier pour ventilateur axial

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771373A1 (fr) * 1997-10-20 1999-05-28 Michel Ebersolt Tuyere silencieuse
EP1211426A2 (fr) * 2000-12-01 2002-06-05 Papst-Motoren GmbH & Co. KG Boítier d'un ventilateur, en particulier pour ventilateur axial
EP1211426A3 (fr) * 2000-12-01 2003-07-23 Papst-Motoren GmbH & Co. KG Boítier d'un ventilateur, en particulier pour ventilateur axial
US6659719B2 (en) 2000-12-01 2003-12-09 Papst-Motoren Gmbh & Co. Kg Ventilator housing, in particular, for axial ventilators

Also Published As

Publication number Publication date
FR2358550B3 (fr) 1979-04-06
BE857091A (fr) 1977-11-14

Similar Documents

Publication Publication Date Title
SE8501456L (sv) Oronkapa
EP0033963A3 (en) Radial shaft sealing ring
SE8106688L (sv) Lasmutter
BR8907021A (pt) Aperfeicoamentos relacionados com superficies aderentes
ZA764133B (en) Impregnation and primer coating of absorptive substrates with plastics dispersions
ES480773A1 (es) Rodamiento radial con compensacion de juego.
JPS6476065A (en) Flexible electrophotographic sensitive body
FR2266052A1 (en) Railway vehicle brake disc and hub - deformable section allows radial contraction of disc onto hub
JPS56105994A (en) Ink carrier for heat transcription
FR2358550A1 (fr) Dispositif pour elever le rendement d'une helice
SE7907096L (sv) Fastsettningsanordning med fast lasande organ
FR2407731A1 (fr) Dispositif de fixation d'une manche filtrante
ATE21742T1 (de) Wellendichtung.
CA967433A (en) Floating structure for the mooring of yachts and other similar craft
GB937473A (en) Fluid pressure relief device
SU146777A1 (ru) Однонаправленный конденсаторный микрофон
SU563339A1 (ru) Рлик ленточного конвейера
FR2350509A1 (fr) Frein a disque
JPS5797956A (en) Ring gear fitting apparatus
FR2326620A1 (fr) Frein a disque a etrier coulissant
ES8103318A1 (es) Procedimiento para la fabricacion de segmentos de embolo do-tados de medio de antifriccion
JPS52135714A (en) Electrostatic generation preventing system
JPS54163279A (en) Disk brake with friction ring
KR890000236A (ko) 수지층이 형성된 헤어라인형 스탬핑호일
GB1256806A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse