Patents Assigned to Gaz Transport et Technigaz
  • Publication number: 20100288778
    Abstract: Sealed, thermally insulated tank has tank walls fixed to the load-bearing structure (1) of a floating structure, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier (8), a primary insulating barrier (6), a secondary sealing barrier (5) and a secondary insulating barrier (2), at least one of the insulating barriers includes juxtaposed non-conducting elements, each non-conducting element including a thermal insulation liner (63) and load-bearing elements that rise through the thickness of the thermal insulation liner in order to take up the compression forces, characterized in that the load-bearing elements of a non-conducting element include pillars (65) of small transverse section as compared to the dimensions of the non-conducting element in a plane parallel to the tank wall.
    Type: Application
    Filed: July 27, 2010
    Publication date: November 18, 2010
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Jacques DHELLEMMES, Pierre MICHALSKI, Vincent FARGANT
  • Patent number: 7540395
    Abstract: A sealed wall structure includes at least one sealed plate (10), the plate (10) being corrugated with at least one first series of corrugations and a second series of corrugations (6) of transverse directions, the corrugations protruding toward the internal face of a tank. The structure includes at least one reinforcing ridge (11) made on at least one corrugation of a series in its portion lying between two successive intersections (8) with corrugations of the other series, each ridge (11) being generally convex and made locally on at least one lateral face (6b) of the corrugation that supports it.
    Type: Grant
    Filed: October 1, 2004
    Date of Patent: June 2, 2009
    Assignee: Gaz Transport et Technigaz
    Inventor: Jacques Dhellemmes
  • Patent number: 7293421
    Abstract: A method for cooling a product (P) including N ordered adsorption/desorption cycles (100, 200, 300), each cycle having the following steps: expanding a refrigerant in liquid phase from a condenser (101, 201, 301) inside an evaporator (103, 203, 303) for evaporating at least one portion of the refrigerant, and; adsorbing this refrigerant in vapor phase inside at least one adsorption/desorption chamber (120, 220, 320) containing a zeolite adsorbent (Z) whereby cooling a remaining portion of the refrigerant in the evaporator to a predetermined low temperature, the low temperature decreasing from one cycle to the next. The method also includes the following steps: effecting N-1 heat exchanges each time the refrigerant enters the evaporator (103, 203) of a cycle and each time the refrigerant enters the condenser (201, 301) of the following cycle for condensing the refrigerant in the condenser.
    Type: Grant
    Filed: June 4, 2004
    Date of Patent: November 13, 2007
    Assignee: Gaz Transport et Technigaz
    Inventors: Pierre Michalski, Pierre Gourmelen, Claude Blaizat
  • Publication number: 20060096235
    Abstract: Sealed, thermally insulated tank consisting of tank walls fixed to the load-bearing structure (1) of a floating structure, said tank walls having, in succession, in the direction of the thickness from the inside to the outside of said tank, a primary sealing barrier (8), a primary insulating barrier (6), a secondary sealing barrier (5) and a secondary insulating barrier (2), at least one of said insulating barriers consisting essentially of juxtaposed non-conducting elements, each non-conducting element including a thermal insulation liner (63) and load-bearing elements that rise through the thickness of said thermal insulation liner in order to take up the compression forces, characterized in that the load-bearing elements of a non-conducting element include pillars (65) of small transverse section as compared to the dimensions of the non-conducting element in a plane parallel to said tank wall.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 11, 2006
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Jacques Dhellemmes, Pierre Michalski, Vincent Fargant
  • Publication number: 20060096185
    Abstract: A sealed, thermally insulated tank consists of tank walls fixed to the load-bearing structure of a ship, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier, a primary insulating barrier, a secondary sealing barrier and a secondary insulating barrier, at least one of the insulating barriers consisting essentially of juxtaposed non-conducting elements (3), each non-conducting element including a thermal insulation liner, at least one panel and load-bearing partitions rising through the thickness of the thermal insulation liner in order to take up the compression forces. These partitions include at least one anti-buckle partition (14) that includes a plurality of anti-buckle wall elements that have a respective orientation forming an angle relative to a general longitudinal direction of the anti-buckle partition, for example forming corrugations or double-wall portions.
    Type: Application
    Filed: November 3, 2005
    Publication date: May 11, 2006
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Jacques Dhellemmes, Pierre Michalski, Vincent Fargant
  • Publication number: 20060096209
    Abstract: A sealed, thermally insulated tank consists of tank walls fixed to the load-bearing structure of a ship, the tank walls having, in succession, in the direction of the thickness from the inside to the outside of the tank, a primary sealing barrier, a primary insulating barrier, a secondary sealing barrier and a secondary insulating barrier, at least one of the insulating barriers consisting essentially of juxtaposed non-conducting elements (3), each non-conducting element including a thermal insulation liner, at least one panel and load-bearing partitions rising through the thickness of the thermal insulation liner in order to take up the compression forces. These partitions include at least one anti-buckle partition (14) that includes a plurality of anti-buckle wall elements that have a respective orientation forming an angle relative to a general longitudinal direction of the anti-buckle partition, for example forming corrugations or double-wall portions.
    Type: Application
    Filed: November 4, 2005
    Publication date: May 11, 2006
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Jacques Dhellemmes, Pierre Michalski, Jean-Claude Le Gratiet
  • Publication number: 20060086412
    Abstract: A device for supplying fuel to an onboard energy production installation (5) on a liquefied gas transport ship (1) from at least one liquefied gas tank (2) of the ship includes a liquid ejector (12) arranged in the tank in order to suck liquefied gas at the level of the bottom of the tank, a circulating pump (20) arranged above the tank, a liquid circuit (21, 22, 23, 24) connecting an outlet of the circulating pump to an inlet of the liquid ejector and an outlet of the liquid ejector to an inlet of the circulating pump to permit the closed-loop circulation of a stream of liquefied gas through the liquid ejector, and a feed line (28) connecting the liquid circuit to the energy production installation.
    Type: Application
    Filed: September 22, 2005
    Publication date: April 27, 2006
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Laurent Spittael, Pascal Raynaud, Jacques Dhellemmes
  • Publication number: 20050204665
    Abstract: Self-supporting timber box having a base panel, lateral walls each projecting perpendicularly from one side of the base panel to delimit the profile of an internal space of the box, a plurality of internal partitions (14) which are parallel to each other and perpendicular to the base panel and which extend between the lateral walls in such a way as to divide the internal space into a plurality of compartments intended to receive a heat-insulating lining, and a cover panel, wherein it has at least one stiffening element (16) which is positioned in the internal space transversely with respect to the internal partitions and which has an area of connection (17, 18) to each of the internal partitions to increase the buckling resistance of the internal partitions, the area of connection extending over a depth greater than or equal to half of the distance between the base and cover panels.
    Type: Application
    Filed: March 17, 2005
    Publication date: September 22, 2005
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventors: Jacques Dhellemmes, Gery Canler
  • Publication number: 20050082297
    Abstract: A sealed wall structure includes at least one sealed plate (10), the plate (10) being corrugated with at least one first series of corrugations and a second series of corrugations (6) of secant directions, the corrugations protruding toward the internal face of a tank. The structure includes at least one reinforcing ridge (11) made on at least one corrugation of a series in its portion lying between two successive intersections (8) with corrugations of the other series, each ridge (11) being generally convex and made locally on at least one lateral face (6b) of the corrugation that supports it.
    Type: Application
    Filed: October 1, 2004
    Publication date: April 21, 2005
    Applicant: GAZ TRANSPORT ET TECHNIGAZ
    Inventor: Jacques Dhellemmes
  • Patent number: 6405540
    Abstract: A device is disclosed for preventing the evaporation of a liquefied gas stored in an impervious and thermally insulating tank built into a bearing structure of a ship or located in a set of floating or land-side storage tanks. The device passes a fluid refrigerant through the mass of liquefied gas to cool the mass to a temperature slightly below its reference storage temperature. By so doing, the refrigerant compensates for the heating of the mass, due to thermal leaks within the insulating tank, during the transport or storage of the liquefied gas.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: June 18, 2002
    Assignee: Gaz Transport et Technigaz
    Inventor: Jacques Dhellemmes
  • Patent number: 6378722
    Abstract: Watertight and thermally insulating tank intended for the transportation of liquefied gases by sea, said tank being built into a bearing structure (1) comprising longitudinally adjacent faces (2) forming a dihedron (4); said tank comprising two successive watertightness barriers, one of them a primary watertightness barrier in contact with the product contained in the tank and the other a secondary watertightness barrier (14,55,30,40) arranged between said primary watertightness barrier and the bearing structure, a primary thermally insulating barrier (12,13,24,27,28,29,37,38,51,54,71) being arranged between these two watertightness barriers and a secondary thermally insulating barrier (15,16,57,58,31,32,41) being arranged between said secondary watertightness barrier and the bearing structure; said primary watertightness barrier comprising substantially flat running metal strakes (62) and, on each side of the longitudinal solid angle of intersection (A) of at least one of said dihedra, a longitudinal row of
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: April 30, 2002
    Assignee: Gaz Transport et Technigaz
    Inventor: Jacques Dhellemmes
  • Patent number: 6374761
    Abstract: Watertight and thermally insulating tank built into the bearing structure of a ship, said tank comprising two successive watertightness barriers, one being a primary one in contact with the product contained in the tank and the other being a secondary one placed between the primary barrier and the bearing structure, at least one thermally insulating barrier being provided between the bearing structure and the secondary watertightness barrier and/or between the two watertightness barriers, each thermally insulating barrier consisting of a number of caissons (102) of roughly parallelepipedal overall shape, each caisson having a bottom panel (105) and a top panel (106) made of plywood, characterized in that the panels of each caisson are spaced apart by a number of spacer pieces (103) which consist of thin sheets of plywood, extending at right angles to said panels, each caisson being at least partially filled with blocks of foam (104), bonded over a substantial part of the height of each spacer piece, to preven
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: April 23, 2002
    Assignee: Gaz Transport et Technigaz
    Inventor: Jacques Dhellemmes
  • Patent number: 6199497
    Abstract: Watertight and thermally insulating tank built into the bearing structure (1) of a ship, the said tank comprising two successive watertightness barriers, one of them a primary one (17) in contact with the product contained in the tank, and the other a secondary one (13) located between the primary watertightness barrier and the bearing structure, a thermally insulating secondary barrier (4) being located between the secondary watertightness barrier and the walls of the bearing structure, characterized in that it comprises an impact-resistant mechanical protecting shield (16) located between the two watertightness barriers, the shield being held elastically pressed against the secondary watertightness barrier by metal fastening means mechanically connected to the secondary insulating barrier, thermal insulation being afforded only by the secondary insulating barrier.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: March 13, 2001
    Assignee: Gaz Transport et Technigaz
    Inventors: Jacques Dhellemmes, Pierre Jean
  • Patent number: 6145690
    Abstract: Watertight and thermally insulating tank built into the bearing structure of a ship, the said tank comprising two successive watertightness barriers, the said bearing structure comprising walls (1) which form the internal sides of its double hull and two transverse bulkheads (2), these two watertightness barriers alternating with two thermally insulating barriers, the corner connection of the elements of the primary and secondary barriers, in the zones where the transverse bulkheads meet the internal sides, being achieved in the form of a connecting ring, the structure of which remains substantially constant right along the solid angle (3) of intersection between a transverse bulkhead and the internal sides, each connecting ring comprising a prefabricated composite girder (20) consisting of a rigid metal formwork (21) incorporated in a thermally insulating material (22), the said rigid formwork defining a central fixed anchorage zone (29) substantially at the intersection between the plane that bisects the co
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: November 14, 2000
    Assignee: Gaz Transport et Technigaz
    Inventors: Jacques Dhellemmes, Pierre Jean
  • Patent number: 6035795
    Abstract: Impermeable and insulating tank built into a load-bearing structure, the tank having two successive sealing barriers alternated with two thermally insulating barriers, the secondary barriers and the primary insulating barrier consisting of a set of prefabricated panels, each panel comprising, in succession, a first rigid board, a first thermal insulation layer (104), a second thermal insulation layer (108), and a second rigid board, the junction regions between the primary insulating barrier elements of two adjacent panels being filled with insulating titles each consisting of a thermal insulation layer (115) covered with a rigid board, the continuity of the secondary sealing barrier being provided in the junction regions of two adjacent panels by flexible strips (120) which are impervious to gas and to liquid, each strip being hermetically bonded to a secondary insulating barrier element of a panel by a lateral marginal region (120a) and to a secondary insulating barrier element of the adjacent panel by an o
    Type: Grant
    Filed: July 1, 1999
    Date of Patent: March 14, 2000
    Assignee: Gaz Transport et Technigaz
    Inventors: Jacques Dhellemmes, Pierre Jean