FR2292897A1 - Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel - Google Patents

Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel

Info

Publication number
FR2292897A1
FR2292897A1 FR7438962A FR7438962A FR2292897A1 FR 2292897 A1 FR2292897 A1 FR 2292897A1 FR 7438962 A FR7438962 A FR 7438962A FR 7438962 A FR7438962 A FR 7438962A FR 2292897 A1 FR2292897 A1 FR 2292897A1
Authority
FR
France
Prior art keywords
shock absorber
spring
ship
hydraulic shock
parallel
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
FR7438962A
Other languages
French (fr)
Other versions
FR2292897B1 (en
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.)
POUSSAGE VOIE NAVIGABLE CIE GL
Original Assignee
POUSSAGE VOIE NAVIGABLE CIE GL
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 POUSSAGE VOIE NAVIGABLE CIE GL filed Critical POUSSAGE VOIE NAVIGABLE CIE GL
Priority to FR7438962A priority Critical patent/FR2292897A1/en
Publication of FR2292897A1 publication Critical patent/FR2292897A1/en
Application granted granted Critical
Publication of FR2292897B1 publication Critical patent/FR2292897B1/fr
Granted 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 
    • B63B3/00—Hulls characterised by their structure or component parts
    • B63B3/14—Hull parts
    • B63B3/68—Panellings; Linings, e.g. for insulating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

The spring damper particularly suitable for isolating the crew quarters in ships both from engine vibrations and from larger disturbances due to ship motion has a steel suspension spring (3) with between it and the suspended mass, a high frequency absorbent resilient pad (10). The hydraulic shock absorber (4) is installed with a predetermined amount of lost motion (a). As a result, small amplitude, high frequency vibrations are not transmitted either through the spring or shock absorber but larger displacements at lower frequencies bring the shock absorber into play. The spring (3) is covered by an elastomer, such as neoprene, to absorb frequencies in the audivle range. The essential lost motion may simply be arranged by play in the mechanical connections to the shock absorber or by inserting resilient bushes at the various pivot points.
FR7438962A 1974-11-28 1974-11-28 Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel Granted FR2292897A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7438962A FR2292897A1 (en) 1974-11-28 1974-11-28 Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7438962A FR2292897A1 (en) 1974-11-28 1974-11-28 Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel

Publications (2)

Publication Number Publication Date
FR2292897A1 true FR2292897A1 (en) 1976-06-25
FR2292897B1 FR2292897B1 (en) 1978-11-24

Family

ID=9145328

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7438962A Granted FR2292897A1 (en) 1974-11-28 1974-11-28 Spring damper between parts of ship - has coil spring and hydraulic shock absorber in parallel

Country Status (1)

Country Link
FR (1) FR2292897A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042067A1 (en) * 1980-06-16 1981-12-23 G + H MONTAGE GmbH Resilient mountings for superstructures such as wheelhouses on board of a ship
GB2261490A (en) * 1991-11-07 1993-05-19 Orian Technology Ltd Ship's hull vibration damper
EP0692653A1 (en) * 1994-06-30 1996-01-17 Hughes Aircraft Company Shock isolation apparatus mounting system
EP0850860A3 (en) * 1996-11-05 2000-11-15 Schenck Process GmbH Device for the isolation of the oscillation of oscillating machines
WO2009002247A1 (en) * 2007-06-28 2008-12-31 Sjoestroem Karl-Evert Device on vessel for the construction of a structural body on a boat hull
EP2626473A1 (en) * 2012-02-09 2013-08-14 Ondernemingen Jan De Nul, naamloze vennootchap Method for reducing the transfer of vibrations to a cutter suction dredger generated by a cutter head and cutter suction dredger on which such method is applied

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042067A1 (en) * 1980-06-16 1981-12-23 G + H MONTAGE GmbH Resilient mountings for superstructures such as wheelhouses on board of a ship
GB2261490A (en) * 1991-11-07 1993-05-19 Orian Technology Ltd Ship's hull vibration damper
GB2261490B (en) * 1991-11-07 1995-08-02 Orian Technology Ltd Ship's hull vibration damper
US5586512A (en) * 1991-11-07 1996-12-24 Orian Technology Limited Ship's hull vibration damper
EP0692653A1 (en) * 1994-06-30 1996-01-17 Hughes Aircraft Company Shock isolation apparatus mounting system
EP0850860A3 (en) * 1996-11-05 2000-11-15 Schenck Process GmbH Device for the isolation of the oscillation of oscillating machines
WO2009002247A1 (en) * 2007-06-28 2008-12-31 Sjoestroem Karl-Evert Device on vessel for the construction of a structural body on a boat hull
EP2626473A1 (en) * 2012-02-09 2013-08-14 Ondernemingen Jan De Nul, naamloze vennootchap Method for reducing the transfer of vibrations to a cutter suction dredger generated by a cutter head and cutter suction dredger on which such method is applied

Also Published As

Publication number Publication date
FR2292897B1 (en) 1978-11-24

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Legal Events

Date Code Title Description
ST Notification of lapse