ITMI20061759A1 - PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION - Google Patents

PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION

Info

Publication number
ITMI20061759A1
ITMI20061759A1 ITMI20061759A ITMI20061759A1 IT MI20061759 A1 ITMI20061759 A1 IT MI20061759A1 IT MI20061759 A ITMI20061759 A IT MI20061759A IT MI20061759 A1 ITMI20061759 A1 IT MI20061759A1
Authority
IT
Italy
Prior art keywords
coaxial
counter
speed
group including
pulse group
Prior art date
Application number
Other languages
Italian (it)
Inventor
Stefano Ghignone
Original Assignee
Calzoni Srl
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 Calzoni Srl filed Critical Calzoni Srl
Priority to ITMI20061759 priority Critical patent/ITMI20061759A1/en
Priority to PCT/IB2007/002586 priority patent/WO2008032167A1/en
Priority to EP07825077A priority patent/EP2069194A1/en
Publication of ITMI20061759A1 publication Critical patent/ITMI20061759A1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H3/00—Propeller-blade pitch changing
    • B63H3/02—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary
    • B63H3/04—Propeller-blade pitch changing actuated by control element coaxial with propeller shaft, e.g. the control element being rotary the control element being reciprocatable
    • 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
    • B63H5/08—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller
    • B63H5/10—Arrangements on vessels of propulsion elements directly acting on water of propellers of more than one propeller of coaxial type, e.g. of counter-rotative type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
ITMI20061759 2006-09-15 2006-09-15 PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION ITMI20061759A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
ITMI20061759 ITMI20061759A1 (en) 2006-09-15 2006-09-15 PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION
PCT/IB2007/002586 WO2008032167A1 (en) 2006-09-15 2007-09-10 Propulsion unit comprising two coaxial contra-rotating propellers
EP07825077A EP2069194A1 (en) 2006-09-15 2007-09-10 Propulsion unit comprising two coaxial contra-rotating propellers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI20061759 ITMI20061759A1 (en) 2006-09-15 2006-09-15 PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION

Publications (1)

Publication Number Publication Date
ITMI20061759A1 true ITMI20061759A1 (en) 2008-03-16

Family

ID=38896005

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI20061759 ITMI20061759A1 (en) 2006-09-15 2006-09-15 PULSE GROUP INCLUDING TWO COAXIAL, COUNTER-ROTARY PROPELLERS WITH SPEED OF DIFFERENTIATED ROTATION

Country Status (3)

Country Link
EP (1) EP2069194A1 (en)
IT (1) ITMI20061759A1 (en)
WO (1) WO2008032167A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3002208A1 (en) 2014-10-03 2016-04-06 Calzoni S.r.l. Improved air introduction device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112937821A (en) * 2021-03-09 2021-06-11 北京航空航天大学 Dual-drive foldable coaxial propeller device
CN114379751B (en) * 2021-12-31 2023-03-14 武汉理工大学 Contra-rotating propeller propulsion device capable of adjusting blade distance between front propeller and rear propeller

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0246609B1 (en) * 1986-05-23 1990-08-01 Mitsubishi Jukogyo Kabushiki Kaisha Counter-rotating propellers
JP2772038B2 (en) * 1989-06-20 1998-07-02 三菱重工業株式会社 Intermediate bearing structure for marine contra-rotating propeller shaft
US5954479A (en) * 1996-12-16 1999-09-21 Smith; Ronald A. Twin engine, coaxial, dual-propeller propulsion system
US5890938A (en) * 1997-10-02 1999-04-06 Brunswick Corporation Marine counter-rotational propulsion system
AU2003267674A1 (en) * 2003-09-01 2005-03-16 Nenad Fles Contra rotating variable pitch propellers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3002208A1 (en) 2014-10-03 2016-04-06 Calzoni S.r.l. Improved air introduction device

Also Published As

Publication number Publication date
EP2069194A1 (en) 2009-06-17
WO2008032167A1 (en) 2008-03-20

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