EP2185405A1 - Liferaft system - Google Patents

Liferaft system

Info

Publication number
EP2185405A1
EP2185405A1 EP08758295A EP08758295A EP2185405A1 EP 2185405 A1 EP2185405 A1 EP 2185405A1 EP 08758295 A EP08758295 A EP 08758295A EP 08758295 A EP08758295 A EP 08758295A EP 2185405 A1 EP2185405 A1 EP 2185405A1
Authority
EP
European Patent Office
Prior art keywords
container
liferaft
heating
mats
gas
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
EP08758295A
Other languages
German (de)
French (fr)
Other versions
EP2185405B1 (en
Inventor
Kent Mølsted JØRGENSEN
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.)
Viking Life Saving Equipment AS
Original Assignee
Viking Life Saving Equipment AS
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 Viking Life Saving Equipment AS filed Critical Viking Life Saving Equipment AS
Priority to EP17206328.1A priority Critical patent/EP3321166B1/en
Publication of EP2185405A1 publication Critical patent/EP2185405A1/en
Application granted granted Critical
Publication of EP2185405B1 publication Critical patent/EP2185405B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/22—Devices for holding or launching life-buoys, inflatable life-rafts, or other floatable life-saving equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/02—Lifeboats, life-rafts or the like, specially adapted for life-saving
    • B63C9/04—Life-rafts
    • B63C2009/042—Life-rafts inflatable

Definitions

  • the present invention relates to a liferaft system
  • a liferaft system comprising a container containing an in- flatable liferaft and means for inflating the liferaft by means of an inflating gas, preferably carbon dioxide or a mixture of gases.
  • an inflating gas preferably carbon dioxide or a mixture of gases.
  • Inflatable liferafts enclosed in the self-opening containers are well known and are used as mandatory life- saving equipment throughout the world on almost any commercial ship and vessel.
  • the liferaft is inflated with an inflation gas preferably carbon dioxide from a gas cylinder.
  • the gas cylinder is attached to the liferaft, and the gas is distributed from the cylinder into the inflatable chambers.
  • the gas from one cylinder can be distributed to one or more inflation inlets on the liferaft.
  • an apparatus has been provided to alleviate the problem caused when cold inflation gases impact inflation chamber surfaces.
  • One such apparatus is an elongated, porous sleeve having a longitudinal passage and a side opening.
  • the sleeve is positioned over the gas inlet valve with the outlet openings within the side opening of the sleeve. Gas emanating from the outlet openings passes axially through the longitudinal passage toward either end of the sleeve, and is dispersed through the sleeve material into the inflation chamber. It is furthermore well-known to solve the problem associated with the fast evaporation of the carbon dioxide liquid from the cylinder and thereby carbon dioxide snow formation that for the desired evaporation, heat should be conveyed from the surroundings.
  • An object of the present invention is to wholly or partly overcome the above disadvantages and drawbacks of the prior art. More specifically, it is an object to provide a liferaft system with fast inflation and minimize the carbon dioxide snow formation.
  • liferaft has in this application the meaning inflatable, lifesaving equipment such as liferaft, platform and dinghy.
  • the system according to the invention can be provided with heated gas.
  • the heated gas can e.g. be blown into the container.
  • the gas is a dry heated gas e.g. air.
  • the system according to the invention can be heated with one or more electric heating cables.
  • the heating cables can be placed inside the container in one or both container parts; the electric heating cables can furthermore be isolated from the liferaft.
  • Another embodiment according to the invention is to cast or embed the electric cables into the container parts.
  • the system according to the invention can furthermore be heated with one or more heating mats.
  • the heating mat can be heated with a liquid or e.g. electricity.
  • An electric heated mat can be provided with cables running forwards and backwards inside the mat.
  • the system according to the invention can furthermore be provided with electric heating cables uniformly distributed in channels on one side of the mat.
  • the electric cables according to the invention can furthermore be cast or embedded into one or more elastic mats.
  • the elastic material can be a plastic material or a rubber, e.g. a silicone rubber.
  • a system according to the invention can furthermore be provided with one or more mats which wholly or partly encircle the liferaft.
  • the system according to the invention can be with an openable container to allow deployment of the liferaft, said openable container consists of at least two container parts.
  • the system according to the invention can furthermore be provided with one or more heating mats placed in the container parts.
  • the mats can furthermore be attached to the inside of the container parts e.g. with two- sided tape.
  • Fig. 1 shows schematically a view down in a container with a heating mat.
  • the figure is highly schematic and not necessarily to scale, and it shows only parts which are necessary in order to elucidate the invention, other parts being omitted or merely sug- gested.
  • FIG. 1 an embodiment of the liferaft system is shown schematically with only one part of the container and without the liferaft and gas cylinder.
  • the means for heating are shown schematically in a diagonally downward view.
  • one part of the container 1 is shown with heating mats 2 attached to the inside of the container part 1.
  • three mats are attached to the inside of the container. The three mats are placed parallel and the mats are connected in series to each other. A not shown temperature relay is connected with the mats and secures that the liferaft system is not overheated.
  • the three mats are connected in series to an electric power station outside the container and not shown on the figure. The electric mats and power cables are protected against water.
  • the electric supply cable from the container to the power station can be connected with a well known hydrostatic release unit e.g. a Hammer release unit. This unit secures that the liferaft can float freely in relation to the heat power station in case the ship or vessel goes down.
  • a well known hydrostatic release unit e.g. a Hammer release unit.
  • This unit secures that the liferaft can float freely in relation to the heat power station in case the ship or vessel goes down.
  • Another solution for the float freely situation could be to use a connection between the supply cables from the container to the power sta- tion which is easy to separate.
  • the heating mats are preferably made of an elastic material. In the shown embodiment, an electric heating wire is cast or embedded into a silicone mat.
  • the system according to the invention may comprise a dehumidifier/heater.
  • the dehumidifier/heater is adapted to dehumidify as well as heat a gas to a predetermined temperature, whereinafter said dehumidified and heated gas is led to the container and is being used for heating the system.
  • the gas is air.
  • the container may comprise an inlet for the dehumidified and heated gas as well as an outlet, for discharging excess air. Said inlet and outlet may comprise valve means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Catching Or Destruction (AREA)
  • Surface Heating Bodies (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

The present invention relates to a liferaft system comprising a container (1) containing an inflatable liferaft and means for inflating the life raft by means of an inflating gas, preferably carbon dioxide or a mixture of gases, where the container furthermore contains means (2) for heating the system.

Description

LIFERAFT SYSTEM
Technical field of the invention
The present invention relates to a liferaft system comprising a container containing an in- flatable liferaft and means for inflating the liferaft by means of an inflating gas, preferably carbon dioxide or a mixture of gases.
Background art
Inflatable liferafts enclosed in the self-opening containers are well known and are used as mandatory life- saving equipment throughout the world on almost any commercial ship and vessel.
The liferaft is inflated with an inflation gas preferably carbon dioxide from a gas cylinder. The gas cylinder is attached to the liferaft, and the gas is distributed from the cylinder into the inflatable chambers. Depending on the type and size of the liferaft there will be one or more gas cylinders connected to the liferaft. Furthermore, the gas from one cylinder can be distributed to one or more inflation inlets on the liferaft.
As the carbon dioxide is vented from the gas cylinder into the liferaft, expansive cooling occurs, which can result in the formation of carbon dioxide "snow", thus creating localised temperature below -40 DEG C. At this temperature, the inflatable chamber fabric freezes, loses its flexibility and the inflation time will depend on how fast this temperature can be raised. It is well known to try to solve the carbon dioxide snow formation by different types of gas inlet nozzles, adapted to trap or prevent carbon dioxide snow formation.
Furthermore, an apparatus has been provided to alleviate the problem caused when cold inflation gases impact inflation chamber surfaces. One such apparatus is an elongated, porous sleeve having a longitudinal passage and a side opening. The sleeve is positioned over the gas inlet valve with the outlet openings within the side opening of the sleeve. Gas emanating from the outlet openings passes axially through the longitudinal passage toward either end of the sleeve, and is dispersed through the sleeve material into the inflation chamber. It is furthermore well-known to solve the problem associated with the fast evaporation of the carbon dioxide liquid from the cylinder and thereby carbon dioxide snow formation that for the desired evaporation, heat should be conveyed from the surroundings. It is well-known that if the entire amount of inflation gas is let in at only a single inlet there will be a high risk of insufficient heat supply to that place. The inlet may end up as one big ice lump, from which the gas will be only slowly generated. If, on the other hand, the gas liquid is supplied to several different areas, many times, more heat can then be attracted from the close surroundings to the total amount of the supplied gas, and it is then practically possible to get down the prescribed, relative brief inflation times, e.g. three minutes for a large size life raft, even with the use of a single gas cylinder.
All the above mentioned solutions on the carbon dioxide snow formation all more or less depend on the heat from the surroundings, and they all more or less try to solve the problem by increasing the gas contact area. All the above mentioned solutions depend on the ambient temperature, and this is a problem when the liferaft has to be inflated in surroundings with low temperature e.g. below -30 DEG C.
Liferaft systems placed on ships or vessels sailing in low temperature area have furthermore problems with icing up of the container. If the container is iced up, there will be a risk that the release system does not function. The crew tries to overcome this problem by covering the container with anti ice liquids and by scraping the container free of ice, with the risk that the container will be damaged.
Thus, there is a need for providing a flexible solution to the above-mentioned disadvan- tages.
Summary of the invention
An object of the present invention is to wholly or partly overcome the above disadvantages and drawbacks of the prior art. More specifically, it is an object to provide a liferaft system with fast inflation and minimize the carbon dioxide snow formation.
It is also an object of the present invention to provide a liferaft system which will not be covered with ice. The above objects, together with numerous other objects, advantages and features, which will become evident from the below description, are accomplished by a solution in accordance with the present invention where the system is characterised in that the container fur- thermore contains means for heating the system. By a system with heating means it is possible to minimize or avoid carbon dioxide snow, and it will furthermore be possible to avoid that the container will be covered by ice.
The term "liferaft" has in this application the meaning inflatable, lifesaving equipment such as liferaft, platform and dinghy.
The system according to the invention can be provided with heated gas. The heated gas can e.g. be blown into the container. Preferably, the gas is a dry heated gas e.g. air.
The system according to the invention can be heated with one or more electric heating cables. The heating cables can be placed inside the container in one or both container parts; the electric heating cables can furthermore be isolated from the liferaft. Another embodiment according to the invention is to cast or embed the electric cables into the container parts.
The system according to the invention can furthermore be heated with one or more heating mats. The heating mat can be heated with a liquid or e.g. electricity. An electric heated mat can be provided with cables running forwards and backwards inside the mat.
The system according to the invention can furthermore be provided with electric heating cables uniformly distributed in channels on one side of the mat.
The electric cables according to the invention can furthermore be cast or embedded into one or more elastic mats.
The elastic material can be a plastic material or a rubber, e.g. a silicone rubber.
A system according to the invention can furthermore be provided with one or more mats which wholly or partly encircle the liferaft. The system according to the invention can be with an openable container to allow deployment of the liferaft, said openable container consists of at least two container parts.
The system according to the invention can furthermore be provided with one or more heating mats placed in the container parts.
The mats can furthermore be attached to the inside of the container parts e.g. with two- sided tape.
Brief description of the drawings
The invention and its many advantages will be described in more details below with reference to the accompanying schematic drawing, which for the purpose of illustration shows one non-limiting embodiment.
Fig. 1 shows schematically a view down in a container with a heating mat.
The figure is highly schematic and not necessarily to scale, and it shows only parts which are necessary in order to elucidate the invention, other parts being omitted or merely sug- gested.
Description of preferred embodiments
In Fig. 1, an embodiment of the liferaft system is shown schematically with only one part of the container and without the liferaft and gas cylinder. The means for heating are shown schematically in a diagonally downward view. In the embodiment, one part of the container 1 is shown with heating mats 2 attached to the inside of the container part 1. In the shown embodiment three mats are attached to the inside of the container. The three mats are placed parallel and the mats are connected in series to each other. A not shown temperature relay is connected with the mats and secures that the liferaft system is not overheated. In the showed embodiment, the three mats are connected in series to an electric power station outside the container and not shown on the figure. The electric mats and power cables are protected against water. In the figure, only one part of the container is shown, but the other part can as well be heated with electric heated mats. The electric supply cable from the container to the power station can be connected with a well known hydrostatic release unit e.g. a Hammer release unit. This unit secures that the liferaft can float freely in relation to the heat power station in case the ship or vessel goes down. Another solution for the float freely situation could be to use a connection between the supply cables from the container to the power sta- tion which is easy to separate. The heating mats are preferably made of an elastic material. In the shown embodiment, an electric heating wire is cast or embedded into a silicone mat.
In another embodiment (not shown), the system according to the invention may comprise a dehumidifier/heater. The dehumidifier/heater is adapted to dehumidify as well as heat a gas to a predetermined temperature, whereinafter said dehumidified and heated gas is led to the container and is being used for heating the system. Preferably, the gas is air. Furthermore, the container may comprise an inlet for the dehumidified and heated gas as well as an outlet, for discharging excess air. Said inlet and outlet may comprise valve means.
Although the invention above has been described in connection with preferred embodiments of the invention, it will be evident for a person skilled in the art that several modifications are conceivable without departing from the invention as defined by the following claims.

Claims

Claims
1. A liferaft system comprising a container containing an inflatable liferaft and means for inflating the liferaft by means of an inflating gas preferably carbon dioxide or a mixture of gases, characterised in that the container furthermore contains means for heating the system.
2. A system according to claim 1, characterised in that the means for heating is a heated gas.
3. A system according to claim 1, characterised in that the means for heating is one or more electric heating cables.
4. A system according to claim 1, characterised in that the means for heating is one or more heated mats.
5. A system according to claim 4, characterised in that the one or more mats are electrically heated.
6. A system according to claim 5, characterised in that the mat is provided with electric heating cables uniformly distributed in channels on one side of the mat.
7. A system according to claim 3, characterised in that the electric cables are cast or embedded into one or more elastic mats.
8. A system according to claim 7, characterised in that the elastic material is a plastic material or a rubber, preferably a silicone rubber.
9. A system according to any one of the claims 4, 5, 6, 7 or 8, characterised in that the mat(s) wholly or partly encircle(s) the liferaft.
10. A system according to any one of the preceding claims, characterised in that the container is openable to allow deployment of the liferaft, said openable container consists of at least two container parts.
11. A system according to claim 10, characterised in that one or more heating mats are placed in the container parts.
12. A system according to claim 11, characterised in that the mats are attached to the container parts.
EP08758295.3A 2007-09-03 2008-06-21 Liferaft system Active EP2185405B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17206328.1A EP3321166B1 (en) 2007-09-03 2008-06-21 Liferaft system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK200701258A DK176716B1 (en) 2007-09-03 2007-09-03 Liferaft System
PCT/DK2008/050158 WO2009030234A1 (en) 2007-09-03 2008-06-21 Liferaft system

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP17206328.1A Division-Into EP3321166B1 (en) 2007-09-03 2008-06-21 Liferaft system
EP17206328.1A Division EP3321166B1 (en) 2007-09-03 2008-06-21 Liferaft system

Publications (2)

Publication Number Publication Date
EP2185405A1 true EP2185405A1 (en) 2010-05-19
EP2185405B1 EP2185405B1 (en) 2018-01-17

Family

ID=39722629

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17206328.1A Active EP3321166B1 (en) 2007-09-03 2008-06-21 Liferaft system
EP08758295.3A Active EP2185405B1 (en) 2007-09-03 2008-06-21 Liferaft system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP17206328.1A Active EP3321166B1 (en) 2007-09-03 2008-06-21 Liferaft system

Country Status (6)

Country Link
US (1) US20120061265A1 (en)
EP (2) EP3321166B1 (en)
CN (1) CN101795934B (en)
DK (1) DK176716B1 (en)
NO (1) NO2185405T3 (en)
WO (1) WO2009030234A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164636B1 (en) * 1984-06-11 1990-09-19 SICOR Società Italiana Corticosteroidi S.p.A. A process for the preparation of 16,17 acetals of pregnane derivatives and compounds obtained therefrom
WO2018104005A1 (en) * 2016-12-07 2018-06-14 Survitec Group Limited Improved storage of liferafts

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2714502B1 (en) * 2011-05-24 2016-01-20 Viking Life-Saving Equipment A/S An inflatable unit for a life-saving equipment
WO2014131565A2 (en) * 2013-02-28 2014-09-04 Ras Technology Sàrl Portable device for rapidly inflating a bag
RU168493U1 (en) * 2016-08-11 2017-02-06 Акционерное общество "Уфимский завод эластомерных материалов, изделий и конструкций" CONTAINER FOR INFLATABLE LIFE RAFT
RU2646201C1 (en) * 2016-12-28 2018-03-01 Акционерное общество "Уфимский завод эластомерных материалов, изделий и конструкций" Container for storing and transporting inflatable life raft

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US3142850A (en) * 1962-08-13 1964-08-04 Knapp Monarch Co Inflator for co2 inflation device
GB1267658A (en) * 1968-05-15 1972-03-22 Btr Industries Ltd Improvements in or relating to housing and launching apparatus for safety floats
DE2054587B2 (en) * 1970-11-06 1978-11-23 Fried. Krupp Gmbh, 4300 Essen Extraction device for multi-body evaporators
DE2436892A1 (en) * 1974-07-31 1976-02-19 Irwin Daniel Prager Inflatable rescue aid for swimmer - with gas bottle inflated raft in hinged capsule thrown to swimmer
GB2130972B (en) * 1982-06-03 1985-09-04 Josef Elmar Bissig Rescue apparatus
US4627822A (en) * 1985-05-20 1986-12-09 The United States Of America As Represented By The Secretary Of The Navy Low temperature inflator apparatus
CN85205258U (en) * 1985-12-04 1987-01-14 方展崇 Portable lifesaving appliance for swimming
FR2732304B1 (en) * 1995-03-31 1997-06-06 Zodiac Int SURVIVAL DEVICE AT SEA
US6229123B1 (en) * 1998-09-25 2001-05-08 Thermosoft International Corporation Soft electrical textile heater and method of assembly
US6452138B1 (en) * 1998-09-25 2002-09-17 Thermosoft International Corporation Multi-conductor soft heating element
US6263591B1 (en) * 2000-01-25 2001-07-24 Victor M. La Porte Sports equipment drying container
GB0126613D0 (en) * 2001-11-06 2002-01-02 Gorix Ltd Container for transporting temperature sensitive materials
US7170035B2 (en) * 2004-08-04 2007-01-30 Hottboxx Llc Heated construction box
US7208700B2 (en) * 2004-08-04 2007-04-24 Hotboxx Llc Heated construction box
DK200401209A (en) * 2004-08-09 2006-02-10 Viking Life Saving Equip As Container for storage of inflatable life raft

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Title
See references of WO2009030234A1 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0164636B1 (en) * 1984-06-11 1990-09-19 SICOR Società Italiana Corticosteroidi S.p.A. A process for the preparation of 16,17 acetals of pregnane derivatives and compounds obtained therefrom
WO2018104005A1 (en) * 2016-12-07 2018-06-14 Survitec Group Limited Improved storage of liferafts
US10960960B2 (en) 2016-12-07 2021-03-30 Survitec Group Limited Storage of liferafts
AU2017373391B2 (en) * 2016-12-07 2023-09-14 Survitec Group Limited Improved storage of liferafts

Also Published As

Publication number Publication date
DK176716B1 (en) 2009-04-14
US20120061265A1 (en) 2012-03-15
CN101795934B (en) 2013-09-04
DK200701258A (en) 2009-03-04
CN101795934A (en) 2010-08-04
WO2009030234A1 (en) 2009-03-12
EP2185405B1 (en) 2018-01-17
EP3321166B1 (en) 2020-01-01
NO2185405T3 (en) 2018-06-16
EP3321166A1 (en) 2018-05-16

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