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JPS57205299A - Duct propeller - Google Patents

Duct propeller

Info

Publication number
JPS57205299A
JPS57205299A JP8698281A JP8698281A JPS57205299A JP S57205299 A JPS57205299 A JP S57205299A JP 8698281 A JP8698281 A JP 8698281A JP 8698281 A JP8698281 A JP 8698281A JP S57205299 A JPS57205299 A JP S57205299A
Authority
JP
Japan
Prior art keywords
propeller
duct
rear part
stationary blades
propelling
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.)
Pending
Application number
JP8698281A
Other languages
Japanese (ja)
Inventor
Ryosuke Fujino
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.)
IHI Corp
Original Assignee
IHI Corp
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 IHI Corp filed Critical IHI Corp
Priority to JP8698281A priority Critical patent/JPS57205299A/en
Publication of JPS57205299A publication Critical patent/JPS57205299A/en
Pending 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

PURPOSE:To enhance propelling efficiency, by a method wherein stationary blades are provided on the rear part of a duct, and the rotational energy so far has been wasted from a propeller into a flowing fluid is recovered. CONSTITUTION:The stationary blades 3 having a pitch opposite to that of the propeller 1 are provided on the rear part of the duct 2. Accordingly, part of the rotational energy in the rear part of the propeller 1 causes the stationary blades 3 to generate a propelling force, so that the propelling efficiency can be enhanced.
JP8698281A 1981-06-08 1981-06-08 Duct propeller Pending JPS57205299A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8698281A JPS57205299A (en) 1981-06-08 1981-06-08 Duct propeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8698281A JPS57205299A (en) 1981-06-08 1981-06-08 Duct propeller

Publications (1)

Publication Number Publication Date
JPS57205299A true JPS57205299A (en) 1982-12-16

Family

ID=13902066

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8698281A Pending JPS57205299A (en) 1981-06-08 1981-06-08 Duct propeller

Country Status (1)

Country Link
JP (1) JPS57205299A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104309790A (en) * 2014-11-05 2015-01-28 中港疏浚有限公司 Ducted propeller for dredger
CN107499487A (en) * 2017-08-15 2017-12-22 武汉理工大学 Propulsion and generating integration device are driven to runner edge based on shaftless

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104309790A (en) * 2014-11-05 2015-01-28 中港疏浚有限公司 Ducted propeller for dredger
CN107499487A (en) * 2017-08-15 2017-12-22 武汉理工大学 Propulsion and generating integration device are driven to runner edge based on shaftless
CN107499487B (en) * 2017-08-15 2019-01-25 武汉理工大学 Propulsion and generating integration device are driven to runner edge based on shaftless

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