EP0146353A1 - Getriebe für Schiffsantrieb - Google Patents

Getriebe für Schiffsantrieb Download PDF

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Publication number
EP0146353A1
EP0146353A1 EP84308705A EP84308705A EP0146353A1 EP 0146353 A1 EP0146353 A1 EP 0146353A1 EP 84308705 A EP84308705 A EP 84308705A EP 84308705 A EP84308705 A EP 84308705A EP 0146353 A1 EP0146353 A1 EP 0146353A1
Authority
EP
European Patent Office
Prior art keywords
input
gearbox
shafts
axial
marine propulsion
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.)
Withdrawn
Application number
EP84308705A
Other languages
English (en)
French (fr)
Inventor
Thomas Hall
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.)
English Electric Co Ltd
Original Assignee
English Electric Co Ltd
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 English Electric Co Ltd filed Critical English Electric Co Ltd
Publication of EP0146353A1 publication Critical patent/EP0146353A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/02—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing
    • B63H23/10—Transmitting power from propulsion power plant to propulsive elements with mechanical gearing for transmitting drive from more than one propulsion power unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H23/00—Transmitting power from propulsion power plant to propulsive elements
    • B63H23/30—Transmitting power from propulsion power plant to propulsive elements characterised by use of clutches

Definitions

  • This invention relates to marine propulsion gearboxes and is particularly concerned with such gearboxes having inputs from two engines, for example diesel engines, and a single output to a propeller.
  • a twin-input single-output marine propulsion gearbox has two input pinions on separate input shafts which shafts extend coaxially in opposite directions from the gearbox, the input pinions engaging gear wheels on a common output shaft.
  • the gearwheels may be integrally mounted on a common hub.
  • There may be included a respective air operated clutch coupled to each pinion shaft, each pinion shaft being provided with an axial duct for the passage of actuating air to the associated clutch, the axial ducts having access connections in the opposed inner ends of the pinion shaft.
  • the gear wheels are preferably helical gears of opposite hand so as to eliminate axial thrust on the output shaft when the input pinions are driven equally.
  • input pinions 1 and 3 are integrally mounted on respective pinion shafts 5 and 7 which rotate in bearings not shown.
  • Thrust collars 8 and 10 embrace the bearings and provide axial reaction to the thrust resulting from helical gears.
  • the pinion shafts 5 and 7 extend in opposite directions from the gearbox to respective air operated clutches 9 and 11 which are coupled to the pinion shaft flanges 13 and 15.
  • Diesel engines not shown are coupled to the driving members of the clutches 9 and 11 and thus are mounted on opposite sides of the gear box.
  • Each pinion shaft 5 and 7 has an axial bore 17 and 19 which extends right through the shaft and pinion and is supplied with compressed air from respective pipes 21 and 23 via access connections in the opposed inner ends of the pinion shafts. Operating air is thus supplied to the clutches through the pinion shafts. Since the axial centres of the pinion shafts are accessible at the inner ends, provision of a rotating connection between the pipes 21, 23 and the bores 17, 10 is a simple matter.
  • the output shaft is a single integral shaft 25 mounted on bearings (not shown) at positions 27 and 29.
  • the output shaft has an enlarged cylindrical portion 31 on which an output gear structure 33 is mounted between a shoulder 35 and a screwed locking ring 37.
  • the structure 33 has a hub 34 which is keyed to the shaft portion 31, and two integrally mounted radially extending gear wheel flanges 39 and 41 on which ring gears 43 and 45 are mounted respectively. These gears mesh with the pinions 1 and 3.
  • the output gears 43 and 45 are shown in section in the drawing above the output centre line 47 and in elevation below that centre line.
  • the output shaft 25 is provided with a flange 49 for coupling to a marine propeller. It also has a substantial thrust collar 51 engaging a thrust bearing (not shown) against which the propeller acts.
  • the two pairs of reduction gears 1/43 and 3/45 have helical profiles and thus individually tend to exert axial thrust on the output shaft 25.
  • the gears are of opposite hand such that the axial thrusts due to the two inputs tend to balance, and do so if the input torques are equal.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Structure Of Transmissions (AREA)
  • General Details Of Gearings (AREA)
EP84308705A 1983-12-14 1984-12-13 Getriebe für Schiffsantrieb Withdrawn EP0146353A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8333284 1983-12-14
GB838333284A GB8333284D0 (en) 1983-12-14 1983-12-14 Marine propulsion gearbox

Publications (1)

Publication Number Publication Date
EP0146353A1 true EP0146353A1 (de) 1985-06-26

Family

ID=10553263

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84308705A Withdrawn EP0146353A1 (de) 1983-12-14 1984-12-13 Getriebe für Schiffsantrieb

Country Status (2)

Country Link
EP (1) EP0146353A1 (de)
GB (2) GB8333284D0 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509712A1 (de) * 1991-04-17 1992-10-21 Yanmar Diesel Engine Co. Limited Zwei Maschinen/eine Welle Type Schiff
EP2177431A3 (de) * 2008-10-20 2011-08-17 MacTaggart Scott (Holdings) Ltd. Vorrichtung und Verfahren zum Rotieren einer Welle

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB318102A (en) * 1928-08-27 1930-05-01 Bauer Gustav Improvements in or relating to power-generating systems
FR781386A (fr) * 1933-12-04 1935-05-15 Sulzer Ag Installation de moteurs marins
DE2425497A1 (de) * 1973-06-01 1974-12-05 Eisuke Sugahara Durch druckfluessigkeit oder druckgas, insbesondere druckluft betaetigte steuervorrichtung fuer rotierende motorteile
GB2028747A (en) * 1978-08-24 1980-03-12 Bhs Bayerische Berg Ships transmission

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB318102A (en) * 1928-08-27 1930-05-01 Bauer Gustav Improvements in or relating to power-generating systems
FR781386A (fr) * 1933-12-04 1935-05-15 Sulzer Ag Installation de moteurs marins
DE2425497A1 (de) * 1973-06-01 1974-12-05 Eisuke Sugahara Durch druckfluessigkeit oder druckgas, insbesondere druckluft betaetigte steuervorrichtung fuer rotierende motorteile
GB2028747A (en) * 1978-08-24 1980-03-12 Bhs Bayerische Berg Ships transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0509712A1 (de) * 1991-04-17 1992-10-21 Yanmar Diesel Engine Co. Limited Zwei Maschinen/eine Welle Type Schiff
EP2177431A3 (de) * 2008-10-20 2011-08-17 MacTaggart Scott (Holdings) Ltd. Vorrichtung und Verfahren zum Rotieren einer Welle
US9809291B2 (en) 2008-10-20 2017-11-07 Eric Galloway Apparatus and method for rotating a shaft

Also Published As

Publication number Publication date
GB8431495D0 (en) 1985-01-23
GB2151329A (en) 1985-07-17
GB8333284D0 (en) 1984-01-18

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Designated state(s): DE NL

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19860228

RIN1 Information on inventor provided before grant (corrected)

Inventor name: HALL, THOMAS