GB1374415A - Passive roll stabilisers - Google Patents

Passive roll stabilisers

Info

Publication number
GB1374415A
GB1374415A GB3752870A GB3752870A GB1374415A GB 1374415 A GB1374415 A GB 1374415A GB 3752870 A GB3752870 A GB 3752870A GB 3752870 A GB3752870 A GB 3752870A GB 1374415 A GB1374415 A GB 1374415A
Authority
GB
United Kingdom
Prior art keywords
guideway
mobile body
vessel
rolling
radius
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
GB3752870A
Inventor
Anne Horsford
George Richard Grant Lewison
James Arthur Haines Paffett
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.)
UK Secretary of State for Trade and Industry
Original Assignee
UK Secretary of State for Trade and Industry
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 UK Secretary of State for Trade and Industry filed Critical UK Secretary of State for Trade and Industry
Priority to GB3752870A priority Critical patent/GB1374415A/en
Priority to NO290771A priority patent/NO135353C/en
Publication of GB1374415A publication Critical patent/GB1374415A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
    • B63B39/02—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by displacement of masses

Abstract

1374415 Stabilizing ships TRADE & INDUSTRY SECRETARY OF STATE FOR 3 Nov 1971 [4 Aug 1970] 37528/70 Heading B7M A passive roll stabilizer system for a floating vessel 1 comprises a guideway 4 defining a sagging arcuate track in a plane parallel to that in which the vessel rolls and a mobile body is supported by the guideway so as to undergo when the vessel rolls oscillatory motion to and fro along the guideway and simultaneous rotation about horizontal axis X-X. The mobile body comprises at least one body 2 which has at least one rolling surface of circular cross-section, the radius of the rollingsur face being no greater than the radius of gyration of the complete body about its rolling axis so that the rotational energy of the mobile body is greater than half its translational energy. The track of the guideway is curved to a greater extent than the path of a pendulum having a naural resonant period equal to that of the rolling vessel and lead shot 8 in the mobile body damps its movement.
GB3752870A 1970-08-04 1970-08-04 Passive roll stabilisers Expired GB1374415A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB3752870A GB1374415A (en) 1970-08-04 1970-08-04 Passive roll stabilisers
NO290771A NO135353C (en) 1970-08-04 1971-08-03 PASSIVE ROLLING STABILIZER.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3752870A GB1374415A (en) 1970-08-04 1970-08-04 Passive roll stabilisers

Publications (1)

Publication Number Publication Date
GB1374415A true GB1374415A (en) 1974-11-20

Family

ID=10397154

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3752870A Expired GB1374415A (en) 1970-08-04 1970-08-04 Passive roll stabilisers

Country Status (2)

Country Link
GB (1) GB1374415A (en)
NO (1) NO135353C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722870A1 (en) * 1995-01-19 1996-07-24 Ishikawajima-Harima Heavy Industries Co., Ltd. Vibration damping arrangement for cable car
US5778797A (en) * 1995-01-19 1998-07-14 Nippon Cable Co., Ltd. Vibration damping arrangement for cable car
US6035787A (en) * 1995-01-31 2000-03-14 Ishikawajima Harima Heavy Industries, Co. Vibration damping arrangement for cable car

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0722870A1 (en) * 1995-01-19 1996-07-24 Ishikawajima-Harima Heavy Industries Co., Ltd. Vibration damping arrangement for cable car
US5778797A (en) * 1995-01-19 1998-07-14 Nippon Cable Co., Ltd. Vibration damping arrangement for cable car
US5960718A (en) * 1995-01-19 1999-10-05 Ishikawajima-Harima Heavy Industrial Co., Ltd Vibration damping arrangement for cable car
US6035787A (en) * 1995-01-31 2000-03-14 Ishikawajima Harima Heavy Industries, Co. Vibration damping arrangement for cable car

Also Published As

Publication number Publication date
NO135353B (en) 1976-12-20
NO135353C (en) 1977-03-30

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees