Patents
Sitemap › F28 - Heat exchange in general › F28F - Details of heat-exchange or heat-transfer apparatus, of general application › F28F 11 - Arrangements for sealing leaky tubes or conduits
Patents for F28F 11 - Arrangements for sealing leaky tubes or conduits (1,051)
04/2002
04/10/2002CN1344365A Method for leakage control and localisation of leakages in internal faces of heat exchangers
02/2002
02/27/2002EP1181519A1 A method for leakage control and localisation of leakages in the internal faces of heat exchangers
02/13/2002EP0974035B1 Device, system and method for on-line explosive deslagging
01/2002
01/23/2002CN1332226A Device for mounting and removing cracking tube regulator for use in combustion chamber of olefin equipment-cracking furnace
12/2001
12/18/2001US6330747 Heat exchanger assembly utilizing grommets and integral cast tanks
12/13/2001DE10061835C1 Pipe perforation device e.g. for defective heat exchanger pipes, has axially displaced operating element and radially pivoted cutting lever with perforation point penetrating pipeline wall
12/13/2001DE10028827A1 Vorrichtung zur Montage und Demontage von Spaltrohrregistern im Feuerraum eines Olefinanlagen-Krackofens Device for mounting and dismounting of canned registers in the combustion chamber of an olefin cracking furnace
12/12/2001EP1162251A2 Installation for mounting and demounting tube supports in cracking furnaces for the production of olefins
11/2001
11/27/2001US6321690 Device, system and method for on-line explosive deslagging
10/2001
10/16/2001US6301780 Method for recording an aviation oil cooler
10/11/2001US20010027863 Heat exchanger with safety valve
10/03/2001CN2451995Y Sealing apparatus for compressed air cooler
09/2001
09/19/2001EP1024923A4 Heat exchanger assembly utilizing grommets and integral cast tanks
09/12/2001EP0941444B1 Heat exchanger tube and method of manufacturing same
09/06/2001DE10007471A1 Closing inlet and outlet regions of component, especially evaporator, involves evacuating channel system to defined vacuum pressure, inserting closure elements into inlet and outlet regions
08/2001
08/16/2001DE10044991A1 Vorrichtung, System und Verfahren zum on-line Explosions-Entschlacken Apparatus, system and method for on-line exploded Purification
08/08/2001CN1069391C Device sealably connectable to at least one cylindrical element
07/2001
07/12/2001US20010007247 Device, system and method for on-line explosive deslagging
06/2001
06/19/2001US6247231 Method for repairing heat exchanger tubing through partial tube replacement
05/2001
05/17/2001WO2001007856A3 Method for manufacturing a double-walled heat exchanging tube with leak detection
02/2001
02/27/2001US6192583 Heat exchanger tube and method of manufacturing same
02/01/2001WO2001007856A2 Method for manufacturing a double-walled heat exchanging tube with leak detection
02/01/2001CA2379658A1 Method for manufacturing a double-walled heat exchanging tube with leak detection and such heat exchanging tube
01/2001
01/18/2001WO2001003873A1 Method for plugging a hole and a cooling element manufactured by said method
01/10/2001EP1067349A2 Device, system and method for on-line explosive deslagging
01/03/2001EP1064486A2 Tube having an expansion area and method for producing such a tube
10/2000
10/10/2000CA2198936C Device sealably connectable to at least one cylindrical element
10/04/2000CN1268913A Heat exchanger assembly utilizing grommets and integral cast tank
09/2000
09/28/2000WO2000057152A1 A method for leakage control and localisation of leakages in the internal faces of heat exchangers
08/2000
08/30/2000CN2394182Y Non-welding radiator
08/15/2000US6102105 Repair of electrical generator stator leaks, cracks and crevices
08/09/2000EP1024923A1 Heat exchanger assembly utilizing grommets and integral cast tanks
06/2000
06/21/2000CN2384194Y Double float tube sheet heat exchanger
05/2000
05/10/2000EP0782679B1 Device sealably connectable to at least one cylindrical element
04/2000
04/25/2000CA2175597C Process and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tube
03/2000
03/01/2000CN1245887A Radiator without welded construction
02/2000
02/02/2000CN1243572A Device, system and method for on-line explosive deslagging
01/2000
01/26/2000EP0974035A1 Device, system and method for on-line explosive deslagging
01/05/2000CN2357312Y Labyrinth sealer for rotary air preheater
11/1999
11/16/1999US5983487 Apparatus for repairing a steam generator tube
11/04/1999WO1999047843A3 Tube having an expansion area and method for producing such a tube
10/1999
10/20/1999CN2344746Y Stainless steel sealing plug for aluminium alloy radiator
09/1999
09/30/1999DE19811599A1 Rohr mit einem Aufweitbereich Tube with an expansion region
09/23/1999WO1999047843A2 Tube having an expansion area and method for producing such a tube
09/15/1999EP0941444A1 Heat exchanger tube and method of manufacturing same
08/1999
08/31/1999US5944057 Bore plug and bore plugging method
08/18/1999CN1044729C Metal tube having a section with internal electroplated structural layer
07/1999
07/20/1999US5924743 Device adapted to be fixed and sealed to at least one cylindrical member
07/14/1999EP0928655A1 Method and plug for sealing a core hole in a casting
05/1999
05/25/1999CA2175596C Metal tube having a section with an internal electroplated structural layer
04/1999
04/20/1999US5894649 Heat exchanger assembly utilizing grommets and integral cast tanks
03/1999
03/11/1999WO1999011421A1 Heat exchanger assembly utilizing grommets and integral cast tanks
03/04/1999WO1999010696A1 Method for repairing heat exchanger tubing through partial tube replacement
02/1999
02/24/1999EP0729523B1 Process and apparatus for in situ electroplating a structural layer of metal bonded to an internal wall of a metal tube
12/1998
12/16/1998EP0884519A1 Bore plug and bore plugging method
10/1998
10/27/1998US5826335 Process for repairing heat exchanger tubes in tube apparatus
10/20/1998US5823230 Heat exchanger assembly method and tube plug for heat exchanger
09/1998
09/23/1998EP0729522B1 Metal tube having a section with an internal electroplated structural layer
08/1998
08/04/1998US5789720 Method of repairing a discontinuity on a tube by welding
08/04/1998US5787933 Method of obtaining a leakproof connection between a tube and a sleeve
07/1998
07/23/1998WO1998031975A1 Device, system and method for on-line explosive deslagging
06/1998
06/23/1998US5769034 Device, system and method for on-line explosive deslagging
05/1998
05/28/1998WO1998022769A1 Heat exchanger tube and method of manufacturing same
05/19/1998US5752317 Method of restricting transverse displacement of a nuclear heat exchanger tube support plate
04/1998
04/21/1998US5741097 Heat exchanger fin remover
02/1998
02/10/1998US5715598 Method for sealing a bare hole defined by a nuclear heat exchanger tubesheet
09/1997
09/24/1997EP0796696A1 Method and device for withdrawing part of a tube from a heat exchanger and use of the method and the device
09/17/1997EP0795731A2 Method for repairing heat exchanger tubes
09/09/1997US5664328 Tool for removing a metallic plug from a tube
08/1997
08/28/1997WO1997021971A3 Method and joint for sealing a bare hole in a tubesheet
08/28/1997WO1997021956A3 System and method for stabilizing a heat exchanger tube
08/27/1997CN1158156A Device sealably connectable to at least one cylindrical element
07/1997
07/09/1997EP0782679A1 Device sealably connectable to at least one cylindrical element
06/1997
06/19/1997WO1997021971A2 Method and joint for sealing a bare hole in a tubesheet
06/19/1997WO1997021956A2 System and method for stabilizing a heat exchanger tube
05/1997
05/07/1997EP0771244A1 Improved direct tube repair process
04/1997
04/23/1997EP0769337A1 A method of closing an end of a metal pipe
02/1997
02/06/1997WO1997004268A1 Device sealably connectable to at least one cylindrical element
01/1997
01/15/1997EP0753714A2 Heat exchanger assembly method and tube plug for heat exchanger
01/08/1997EP0447391B2 Obturating element for sealing a defective heat-exchanger pipe
12/1996
12/11/1996EP0746735A1 System and method for evaporating moisture from a gap defined between a repair sleeve and a surrounding heat transfer tube in a nuclear steam generator
12/11/1996CN1137811A Process and apparatus for in situ electroplating structural layer of metal bonded to internal wall of metal tube
12/03/1996CA2034343C Tube repair system
11/1996
11/20/1996CN1136333A Metal tube having a section with an internal electroplated structural layer
10/1996
10/22/1996US5566444 Tube-plugging assembly
10/01/1996US5560394 Self cleaning expandable tube plug
10/01/1996CA2172905A1 Sleeve for installation in a parent tube by means of a sleeve expander
09/1996
09/04/1996EP0729523A1 Process and apparatus for in situ electroplating a structural layer of metal bonded to an internal wall of a metal tube
09/04/1996EP0729522A1 Metal tube having a section with an internal electroplated structural layer
07/1996
07/23/1996US5538615 Heat exchangers, corrosion resistance
07/11/1996WO1996021131A1 System and method for evaporating moisture from a gap defined between a repair sleeve and a surrounding heat transfer tube in a nuclear steam generator
07/11/1996CA2183445A1 System and method for evaporating moisture from a gap defined between a repair sleeve and a surrounding heat transfer tube in a nuclear steam generator
06/1996
06/26/1996EP0718073A1 System and method for sleeving a heat transfer tube belonging to a nuclear heat exchanger
06/24/1996CA2165928A1 System and method for sleeving a heat transfer tube belonging to a nuclear heat exchanger
06/18/1996US5527445 Process and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tube
05/1996
05/22/1996EP0713049A1 Device for resistantly and tightly fixing a sleeve on the inner surface of a metal pipe and repair sleeve for a metal pipe
05/21/1996US5517740 Pneumatic tool and method for plug removal
05/14/1996US5516415 Process and apparatus for in situ electroforming a structural layer of metal bonded to an internal wall of a metal tube
03/1996
03/28/1996WO1996009514A1 Repair sleeve and process for repairing a heat exchanger tube
03/21/1996DE4433501A1 Reparaturhülse und Verfahren zur Reparatur eines Wärmetauscherrohres Repair sleeve and method of repairing a heat exchanger tube
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