| ALFA LAVAL CORPORATE AB Patent applications |
| Patent application number | Title | Published |
|---|
| 20120129677 | DECANTER CENTRIFUGE AND A SCREW CONVEYER - A decanter centrifuge for separating a supplied material in a light phase and a heavy phase comprising an elongate bowl arranged for rotation about its longitudinal axis, the bowl having a separation chamber with a circumferential wall, a screw conveyor being provided in the separation chamber and being coaxial with the bowl, the screw conveyor comprising a conveyor hub. The conveyor hub comprises a longitudinal tubular steel body part and a helical steel conveyor flight attached to the tubular steel body part. The conveyor hub further comprises an inner longitudinal body extending coaxially relative the longitudinal tubular steel body part. The inner longitudinal body is extending through at least a part of the tubular steel body and is made of a first material, such as carbon fibre reinforced epoxy, whose specific modulus is larger than specific modulus of the steel material of the tubular steel body part. | 05-24-2012 |
| 20120114527 | FLOW MODULE - The present invention relates to a channel plate comprising a number of rows of units, at least one inlet and at least one outlet, at least one turning box, wherein turning boxes being connections between two adjacent rows of units in the channel plate, that fluid may flow from one row to the other in the created room. The present invention relates further to flow sections and flow module. | 05-10-2012 |
| 20120061597 | DIAPHRAGM VALVE DRIVE - The invention relates to a device for securing and positioning a handling element on a diaphragm valve ( | 03-15-2012 |
| 20120058023 | MULTIFUNCTIONAL MODULE - The present invention relates to a multifunctional module comprising one or more units selected from the group consisting of reactor units, filter units, membrane units, reactor-separator units, clarificator units, purificator units, extractor units, and mixer units. The units are connected parallel or in series or both to each other, and each unit has at least one member having a surface, which surface is rotating with the member. The member is rotating around an axis making the unit operate under centrifugal force. One or more chambers for fluids are co-rotating with the rotating member. The present invention relates further to units which could be used in a spinning multifunctional module, and use of a spinning multifunctional module. | 03-08-2012 |
| 20120040816 | CENTRIFUGAL SEPARATOR - The invention relates to a centrifugal separator comprising a casing which delimits and seals off a space in which a rotor is arranged. The rotor forms a separation space which is sealed or isolated from the space, and in which separation space centrifugal separation of a higher density and a lower density component from a fluid takes place. An inlet extends into the rotor for introducing fluid to the separation space, and a first outlet extends from the rotor for discharge of a component separated from the fluid. The space is connected to a pump device which is arranged to remove gas, thereby maintaining negative pressure in said space. The rotor comprises at least one second outlet extending from the separation space to the space for discharge of at least one higher density component separated from the fluid. The invention also relates to a method in such a centrifugal separator. | 02-16-2012 |
| 20120040443 | CONTINUOUS PROCESS FOR ISOLATION OF OILS FROM ALGAE OR MICRO ORGANISMS - The present invention relates to a continuous process for isolation of oils from a micro organism slurry or an algae slurry comprising feeding the slurry into a three phase centrifugal separator having a stack of separating discs and operating under force of at least 4500 G, preferably under a force of at least 5000 G, obtaining three phases: one oil phase, one liquid phase and one bio-organic phase. The present invention relates also to use of the process for production of bio-diesel or bio-fuels. | 02-16-2012 |
| 20120031595 | REINFORCED HEAT EXCHANGER PLATE | 02-09-2012 |
| 20120031270 | PLANT FOR SEPARATING OIL FROM A GAS MIXTURE, AND A METHOD FOR SEPARATING OIL FROM A GAS MIXTURE - The invention refers to a plant and a method for separating oil in form of particles and/or mist from a fossil gas mixture for obtaining a separated gas. The plant comprises a centrifugal separator with a stationary casing defining a separation space. The casing permits a pressure of at least 10 bars in the separation space. The centrifugal separator comprises an inlet for the gas mixture, a gas outlet for the separated gas and an oil outlet for discharging separated oil. A separating member for separating the gas mixture comprises a plurality of separating discs and is provided in the separation space. A drive motor is connected to the separating member via a spindle and rotate the separating member about an axis (x) of rotation. | 02-09-2012 |
| 20120028782 | POWER RINGS - In a decanter centrifuge a bowl is provided and rotates in use around a horizontal axis of rotation, a base plate provided at one longitudinal end of said bowl, the base plate having an internal side and an external side, an outlet opening provided in said base plate, the outlet opening extending through a first angular interval relative to the axis of rotation, and a wall projecting from the external side of said base plate, wherein the wall extends from the vicinity of the outlet opening towards a rim of the base plate, the wall extending through a second angular interval, the second angular interval being at least 30°, and the wall having in a radial plane perpendicular to the axis of rotation an inclination relative to the radial direction of at least 60°. | 02-02-2012 |
| 20120021889 | LEVEL REGULATOR - The invention is a decanter centrifuge for separating a first substance and a second substance with different densities, comprising a bowl rotating in use around a horizontal axis of rotation in a direction of rotation, said axis of rotation extending in a longitudinal direction of said bowl, a radial direction extending perpendicular to the longitudinal direction, a base plate provided at one longitudinal end of said bowl, said base plate having an internal side and an external side, an outlet opening provided in said base plate for discharge of one of said substances. A slide valve body is adapted for covering an adjustable part of the outlet opening to delimit an effective area of the outlet opening. | 01-26-2012 |
| 20120021888 | CENTRIFUGAL SEPARATOR WITH LUBRICATION DEVICE - The invention relates to a centrifugal separator having a bearing device and a lubricating device comprising a rotatable pump device. The pump device comprises a lubricant inlet to receive lubricant from a lubricant reservoir, and a duct to convey lubricant to an outlet device for delivering at least part of said lubricant in the form of lubricant mist through at least one lubricant outlet. The pump device further comprises a gas inlet and the outlet device comprises a gas outlet, whereby during rotation of the pump device a gas flow is maintained from the gas inlet to the gas outlet bringing along lubricant present in the duct towards the outlet device. The centrifugal separator further comprises a housing which surrounds the bearing device and the lubricating device and which allows lubricant mist to pass from the lubricating device to the bearing device in order to lubricate the latter. | 01-26-2012 |
| 20120010065 | DECANTER CENTRIFUGE WITH A HINGED LID - A centrifuge housing has a lid with a hinge with two hinge parts and a horizontal hinge axis. The lid is able to rotate between a closed position, in which the lid's centre of gravity is positioned on one side of a vertical plane through the hinge axis, and a fully opened position, in which the centre of gravity is positioned on the other side of the vertical plane. A longitudinal spring is connected to a connection member for urging it longitudinally. The connection member is connected at a hinge point at a distance from the hinge axis. The spring assists raising the lid initially during opening and closing the lid initially during closing from the fully opened position. The lid has a position of stable equilibrium in an intermediate position between the closed position and a vertical position. | 01-12-2012 |
| 20120000637 | PLATE, HEAT EXCHANGER AND METHOD OF MANUFACTURING A HEAT EXCHANGER | 01-05-2012 |
| 20110318195 | PUMP ARRANGEMENT WITH TWO PUMP UNITS, SYSTEM, USE AND METHOD - The present invention relates to a pump arrangement comprising two pump units, each pump unit comprising a pumping cylinder, a reciprocally movable pumping piston, said pumping piston delimiting a pumping chamber in the pumping cylinder in communication with a pump port for fluids, an actuator connected to the pumping piston, and means for determining a value dependent on the position of the pumping piston in the pumping cylinder, said pump arrangement further comprises a first set of valves connecting the pump port of each pump unit to a source line and a delivery line for pumped fluids, wherein the pump arrangement comprises means for regulating the flow of the pumped fluids based on the value dependent on the positions of the pumping pistons in the pump units. The present invention further relates to a system comprising such a pump arrangement and a method for pumping fluids in said pump arrangement. | 12-29-2011 |
| 20110297350 | PLATE HEAT EXCHANGER - The invention relates to a plate heat exchanger ( | 12-08-2011 |
| 20110272616 | VALVE ACTUATOR | 11-10-2011 |
| 20110259562 | HEAT EXCHANGER - A heat exchanger, having a circular housing having a first and a second end plate ( | 10-27-2011 |
| 20110259561 | PLATE AND GASKET FOR A PLATE HEAT EXCHANGER - The invention relates to a heat exchanger plate for a plate heat exchanger, whereby the heat exchanger plate has a number of ports, distribution regions, adiabatic regions, a heat transfer region, and an edge region which extends outside the ports and the regions, whereby the heat exchanger plate includes a gasket groove extending in the edge region outside the regions and round the ports, whereby the gasket groove accommodates a gasket for sealing abutment against an adjacent heat exchanger plate in the plate heat exchanger where the gasket groove creates at least a recess of the heat transfer region along each side of the heat transfer region and that the recess enables a clip-on tab to be securely fastened to an edge region of the heat exchanger plate at the recess. | 10-27-2011 |
| 20110247797 | Plate Heat Exchanger - The invention relates to a plate heat exchanger for treatment of a medium, comprising a number of compression-molded heat exchanger plates, which are successively provided in a plate package and which form first plate interspaces and second plate interspaces, wherein the first plate interspaces and the second plate interspaces are provided in an alternating order in the plate package, where the inlet and outlets of the heat exchanger plate located in a centre portion of the plate heat exchanger, and where the plate package is arranged between end plates on each side of the plate package, where at least one of the end plates are provided with connections in a centre portion of the at least one end plate and that the location of the connections on the at least one end plate correspond to the location of the inlet and outlets of the heat exchanger plate. To be published together with | 10-13-2011 |
| 20110247790 | HEAT EXCHANGER - A heat exchanger plate, where the plate is provided with a heat transfer surface having a corrugated pattern, comprising a diagonal open and closed side distribution support section positioned between a diagonal open respectively closed groove and the heat transfer surface, and a diagonal open and closed side adiabatic support section positioned between the open respectively closed diagonal groove and a port hole, where the heat exchanger plate further comprises a transfer path between the diagonal open side distribution support section and the heat transfer surface and a bypass path between the diagonal closed side distribution support section and the heat transfer surface. A heat exchanger comprising a plurality of heat exchanger plates is also disclosed. The advantage of this heat exchanger plate is that it allows for heat exchangers with an improved efficiency. | 10-13-2011 |
| 20110240273 | HEAT EXCHANGER - A heat exchanger plate, where the plate is provided with a heat transfer surface having a corrugated pattern with a plurality of ridges and valleys, and where the heat exchanger plate is provided with a plurality of guiding sections, and where each guiding section has a first guiding surface and a second guiding surface, where the first and second guiding surfaces are perpendicular to each other. A heat exchanger having a plurality of heat exchanger plates is also disclosed. The advantage of this heat exchanger plate is that it allows for an improved alignment of the heat exchanger plates. | 10-06-2011 |
| 20110237417 | DISK PACKAGE FOR A CENTRIFUGE ROTOR - The invention refers to a disk package for a centrifuge. The disk package comprises a plurality of separating disks provided on each other in the disk package. Each separating disk extends around an axis of rotation for the centrifuge rotor and has tapering shape with an inner surface and an outer surface along the axis of rotation. Each separating disk has inner edge, defining a central opening of the separating disk, and outer edge. Each separating disk is manufactured of a material. The separating disks comprise a plurality of first separating disks comprising a number of distance members, which extend away from the inner surface and/or outer surface. Each distance member comprises at least one contact zone abutting an outer surface and inner surface, respectively, of an adjacent separating disk in the disk package. The contact zone has a continuously convex shape seen in a cross section. | 09-29-2011 |
| 20110226033 | METHOD AND A PRESS TOOL FOR MANUFACTURING A SEPARATION DISK - The invention refers to a method and a press tool for manufacturing of a separating disk adapted to be included in a disk package of a centrifugal separator. The separating disk extends around an axis of rotation and has tapering shape with an inner surface and an outer surface along the axis of rotation. The separating disk is manufactured of a material and comprises a number of distance members in form of pressed protrusions extending away from the inner surface and/or outer surface. A blank of the material is pressed against the first tool part having a shape corresponding to the tapering shape of the pressed separating disk and comprises first form elements having a shape corresponding to the protrusions. | 09-22-2011 |
| 20110220337 | HEAT EXCHANGER - Heat exchanger, comprising a plurality of heat exchanger plateshaving a corrugated pattern, a front cover plate and a rear cover plate, where the heat exchanger plates are fixedly attached to each other and to the front cover plate and the rear cover plate, and where the front and/or rear cover plate comprises a plurality of connection ports, wherein a connection port in a cover plate comprise an outwardly extending collar shaped from the same material as the cover plate. The advantage of this heat exchanger is that the manufacturing process is more effective and that only one variant of the heat exchanger must be stocked. | 09-15-2011 |
| 20110220334 | PLATE HEAT EXCHANGER - The invention relates to a plate heat exchanger ( | 09-15-2011 |
| 20110212820 | CENTRIFUGAL SEPARATOR - In a centrifugal separator having a stationary part, a non-rotating part, is elastically connected to the stationery part, and a rotating part, rotates around an axis of rotation and comprises a centrifuge rotor and a rotating bearing-receiving element. The centrifuge rotor comprises a disk package with a plurality of separating disks. The rotating part is journalled in the non-rotating part so that the rotating part and the non-rotating part are commonly pivotable relative to the stationary part. A drive arrangement drives the rotating part about the axis of rotation within a range of revolutions. An inlet channel extends into the inner separation space for feeding of a medium to be separated. An outlet channel extends out from the inner separation space for discharge of a separated product. The bearing-receiving element is tubular. At least one of the inlet channel and the outlet channel extends through the bearing-receiving element. | 09-01-2011 |
| 20110209513 | METHOD AND A PRESS TOOL FOR MANUFACTURING A SEPARATION DISK - The invention refers to a method and a press tool for manufacturing a separating disk adapted to be included in a disk package of a centrifuge rotor of a centrifugal separator. The separating disk extends around an axis of rotation and has a tapering shape with an inner surface and an outer surface along the axis of rotation. A blank of a material is provided. A central opening is made in the blank. The blank is positioned in a charging position by means of a projecting central portion. The blank is pressed against the first tool part having a shape corresponding to the tapering shape of the separating disk. | 09-01-2011 |
| 20110195832 | SEPARATION DISK FOR A CENTRIFUGE ROTOR, AND A DISK PACKAGE - A separating disk for a disk package of a centrifuge rotor has a tapering shape and extends around an axis (x) of rotation, and along a rotary symmetric surface. The separating disk is configured in such a way that it creates an interspace between the separating disk and an adjacent separating disk in the disk package, and comprises first protrusions extending outwardly from the rotary symmetric surface and second protrusions extending inwardly from the rotary symmetric surface. Each first and second protrusion defines a contact zone adapted to abut the adjacent separating disk. The contact zone of the first protrusions is displaced in relation to the contact zone of the second protrusions. The first and second protrusions are provided after each other in the peripheral direction of the separating disk. The tapering shape and the protrusions of the separating disks have been provided though pressing of a blank of a material against a tool part having a shape corresponding to the tapering shape of the protrusions of the pressed separating disk. | 08-11-2011 |
| 20110168371 | Plate Heat Exchanger - The invention refers to a plate heat exchanger comprising a first end plate ( | 07-14-2011 |
| 20110139419 | Heat Exchanger - The invention refers to a plate heat exchanger where the heat exchanger comprises a first flow channel between a first plate and a second plate, and where the flow channel comprises a first distribution passage, a heat transfer passage and a second distribution passage, where the heat transfer passage is vertically divided in a lower and an upper heat transfer passage and where the lower heat transfer passage is horizontally divided in a plurality of adjacent heat transfer zones, where the intermediate angle between the ridges and grooves in any of the heat transfer zones of the lower heat transfer passage is at least 30° larger than the intermediate angle of the upper heat transfer passage. The advantage of the invention is that an improved heat exchanger is provided, having an increased thermal performance and an improved evaporation capacity. | 06-16-2011 |
| 20110136649 | SEPARATION DISC AND SEPARATOR - The invention relates to a separation disc and a milk separator comprising a rotor, which separation disc together with other separation discs forms a stack of separation discs rotatable together with the rotor. The separation disc comprises a truncated substantially conical portion and an annular flange element connected to the conical portion at the smallest radius and extends therefrom radially inwards substantially perpendicular to the axis of rotation. The flange element has a radial extent corresponding to at least 10% of the radial extent of the conical portion. The inner radial edge of the flange element includes recesses distributed along the edge and adapted to protrusions on a column connected to the rotor, extending coaxially through the separation discs. The recesses are substantially filled by the protrusions. The radial extent of the recesses corresponds to at least 20% of the radial extent of the flange element. | 06-09-2011 |
| 20110124481 | CENTRIFUGAL SEPARATOR - A centrifugal separator comprises a frame, a spindle and centrifuge rotor on the spindle. The centrifuge rotor comprises a rotor casing, which forms an inner separation space, an inlet for supply of a fluid and an outlet for discharge of a separated component. An electrical drive motor having a stator and a rotor drives the spindle and the centrifuge rotor. The rotor of the drive motor is supported by a first bearing and second bearing. A coupling member connects the rotor of the drive motor and the spindle for transmitting a rotary movement. A third bearing supports the spindle so that it is radially elastic in relation to the frame for transmitting a first part of radial forces between the spindle and the frame. The coupling member comprises a lamella coupling or a universal coupling, and transmits a second part of the radial forces, which exists between the spindle and the frame, to the frame via the rotor of the drive motor and at least one of the first and the second bearing. | 05-26-2011 |
| 20110108255 | Plate Heat Exchanger - The invention relates to a plate heat exchanger that includes a plurality of first and second heat exchanger plates provided beside each other for forming a plate package having a surrounding edge side and first plate interspaces for a first medium and second plate interspaces for a second medium. A first heat exchanger plate forms, together with a second heat exchanger plate, a pair of heat exchanger plates which encloses a first plate interspace. The plate package has a plurality of such pairs. Each heat exchanger plate has two portholes which form ports extending through the plate package and communicating with the first plate interspaces. The second plate interspaces are open through the enclosing edge side. Each first heat exchanger plate includes a first bent part that cooperates with a bent part of a second heat exchanger plate in order to ensure that these two heat exchanger plates take a determined position in relation to each other. Each porthole of a first heat exchanger plate cooperates with a corresponding porthole of a second heat exchanger plate in order to ensure that each pair takes a determined position in relation to adjoining pairs. | 05-12-2011 |
| 20110083833 | Heat Exchanger - A heat exchanger plate for the use in a three circuit heat exchanger assembly, where the plate comprises a first distribution area, a heat exchange area and a second distribution area, where the plate comprises a corrugated pattern having ridges and valleys, and where the central port hole in the first distribution area is positioned at a vertical distance from the short end of the plate such that a fluid passage is obtainable between the central port hole and the short end of the plate when two plates are stacked to form a fluid channel between the plates. The invention further relates to an assembly made from such heat exchanger plates and a heat exchanger comprising a plurality of such assemblies. The advantage of the invention is that an improved heat exchanger is provided, having an increased thermal performance and an improved flow distribution in the heat exchanger. | 04-14-2011 |
| 20110039680 | CENTRIFUGAL SEPARATOR - The centrifugal separator comprises a rotatable bowl having a separation chamber defined by a base. The base comprises a first outlet opening defined by a weir at a first level. An outlet chamber communicates with the separation chamber through a first outlet opening. The outlet chamber is connected with an outlet opening, which opens at a second level below the first level into an exterior of the bowl. The outlet chamber outlet opening is provided with an outlet nozzle with an outlet direction opposite the direction of rotation, and an overflow inlet opening is present in the outlet chamber, and is placed at a third level between the first and the second level. The overflow inlet opening communicates with an overflow outlet opening, that opens into the exterior of the bowl. | 02-17-2011 |
| 20110036547 | Plate Heat Exchanger - A plate heat exchanger comprises a plurality of heat exchanger plates ( | 02-17-2011 |
| 20110024097 | Plate Heat Exchanger - A plate heat exchanger comprises a plurality of heat exchanger plates ( | 02-03-2011 |
| 20100279138 | DIAMOND METAL COMPOSITE - The present invention relates to a method for producing diamond-metal composites comprising mixing diamond particles with metal-filler particles forming a diamond/metal-filler mixture, forming a green body of the diamond/metal-filler mixture, optionally green machining the green body to a work piece before or after pre-sintering by heating the green body to a temperature ≦500° C., infiltrating the green body or the work piece with one or more wetting elements or infiltrating the green body or the work piece with one or more wetting alloys, which infiltration step being carried out under vacuum or in an inert gas atmosphere at a pressure ≦200 Bar. The invention relates further to a green body, a diamond metal composite, and use of the diamond metal composite. | 11-04-2010 |
| 20100276125 | Heat Exchanger - A diagonal gasket support ( | 11-04-2010 |
| 20100258288 | Heat Exchanger - A plate for the use in a heat exchanger cassette, where the plate comprises a corrugated pattern having a plurality of ridges ( | 10-14-2010 |
| 20100258284 | Heat Exchanger - Heat exchanger device, comprising a plurality of cassettes, where a first cassette comprises two plates of a first type and a second cassette comprises two plates of a second type, where each plate is provided with a corrugated pattern having a plurality of ridges and valleys with side walls there between, where the corrugated pattern comprises undulations parallel to the direction of the corrugated pattern, where the cassettes are mounted adjacent each other at a predefined distance, and where the perpendicular distance between the side walls of two adjacent cassettes is substantially constant over the width of the heat exchanger device. The advantage of this device is that the difference in flow restriction in the heat exchanger is minimised. | 10-14-2010 |
| 20100205556 | HUMAN MACHINE INTERFACE NAVIGATION TOOL - In a method for human machine interface navigation, a controller is in communication with an electronic display. The controller is programmed to cause a navigation tool to appear on the display. The navigation tool includes an overview window exhibiting a plurality of selectable main and sub tabs. Upon selection of a sub tab, a parameter screen is displayed. A parameter screen corresponding to a last selected sub tab is exhibited upon selection of an associated main tab. | 08-12-2010 |
| 20100196799 | CONDUCTING PLATES FOR FUEL CELL ELEMENTS - The present invention relates to the use of the A286 alloy grade for the manufacture of a sheet, optionally surfaced, making it possible to obtain a conducting plate of mono polar or bipolar type for a fuel cell element. The invention also relates to this optional surface treatment process, which comprises a cold-rolling step followed by a continuous annealing step in an oxidizing atmosphere and by an acid pickling step. | 08-05-2010 |
| 20100167901 | CENTRIFUGAL SEPARATOR AND A LIQUID PHASE DISCHARGE PORT MEMBER - A centrifugal separator ( | 07-01-2010 |
| 20100144508 | METHOD AND DEVICE FOR CLEANING OF A FLUID IN A CENTRIFUGAL SEPARATOR - A method for purifying a fluid from contaminating particles in a centrifugal separator by means of a separation aid which is of higher density than the fluid and which binds said particles, the centrifugal separator having a rotor body that rotates about an axis of rotation. The fluid to be purified is led via an inlet into a separation chamber delimited by the rotor body. Separated particles are discharged via a first outlet and clarified fluid cleared is discharged via a second outlet. The fluid being mixed with an amount of separation aid, supplied to the separation chamber. The pollutant particles are bound to the separation aid, which is forced out by the rotation of the rotor body to the periphery thereof. A small flow of separation aid and particles bound thereto are discharged from the separation chamber via the first outlet, and a flow of purified fluid is discharged from the separation chamber via the second outlet. | 06-10-2010 |
| 20100099545 | COMPRESSIBLE UNIT FOR A CENTRIFUGAL SEPARATOR - In a compressible unit a plurality of separating discs are provided and adapted to being capable, in a compressed state, of being mounted in and removed from a centrifugal separator rotor, which rotor during operation is rotatable about an axis of rotation. The unit includes a support, a pressure surface, between which the separating discs are disposed abutting against one another. Guide surfaces abut against the separating discs and control radial and polar position. At least one compression mechanism is adapted during compression of the unit to press the support and pressure surface towards one another so that the discs are compressed. During compression, the guide surfaces allow relative movement between the support and pressure surface and the separating discs, and are of at least sufficient extent in the compression direction for the position-controlling abutment between the guide surfaces and the separating discs to be maintained throughout the relative movement during the compression. | 04-22-2010 |
| 20100084314 | METHOD AND DEVICE FOR SEPARATION OF A LIQUID FLUID BY CENTRIFUGAL SEPARATION AND EVAPORATION - A method and a device for separation of a fluid in the liquid state comprising two liquids that are not mutually miscible, with different densities, wherein a first liquid is to be cleansed from a second liquid, whereby the fluid in the liquid state is conducted through a rotor where centrifugal separation of the second liquid from the first liquid takes place, and is then conducted into a tank, with the proportion of the second liquid being reduced to less than 5%, and by conducting the fluid, after centrifugal separation, through a restriction, whereby the pressure of the fluid in the liquid state is reduced, which causes portions of the fluid in the liquid state to evaporate so that further portions of the second liquid escape in the form of a gas which is conducted away, thereby further reducing the proportion of the second liquid in the outgoing fluid in the liquid state. | 04-08-2010 |
| 20100065251 | CLAMPING DEVICE FOR FLOW MODULE PLATES, REACTOR PLATES OR HEAT EXCHANGER PLATES - The present invention relates to a clamping device comprising two end plates ( | 03-18-2010 |
| 20100055495 | Brazing Material - The present invention relates to a brazing material comprising an alloy containing essentially of: 15 to 30 wt % chromium (Cr); 0.1 to 5.0 wt % manganese (Mn); 9 to 20 wt % nickel (Ni); 0 to 4.0 wt % molybdenum (Mo); 0 to 1.0 wt % nitrogen (N); 1.0 to 7.0 wt % silicone (Si); 0 to 0.2 wt % boron (B); 1.0 to 7.0 wt % phosphorus (P); optionally 0.0 to 2.5 wt % of each of one or more of elements selected from the group consisting of vanadium (V), titanium (Ti), tungsten (W), aluminum (Al), niobium (Nb), hafnium (Hf) and tantalum (Ta); the alloy being balanced with Fe, and small inevitable amounts of contaminating elements; and wherein Si and P are in amounts effective to lower melting temperature. The present invention relates further to a method of brazing, a product brazed with the brazing material. | 03-04-2010 |
| 20100051115 | CLEANING SYSTEM FOR CLEANING A VALVE SEAT - The present invention discloses a cleaning system for cleaning a valve seat, where said valve seat consists of at least one gasket for sealing between a housing and a stem, preferably for a double seat valve and where at least one guide band is centring said stem in said housing, where said stem has a cut out, allowing a cleaning liquid to flush the seat, when the stem is in a cleaning position, and where the guide band is still centring the stem while in the cleaning position. | 03-04-2010 |
| 20100032148 | Plate Heat Exchanger - The invention relates to a plate heat exchanger that includes a plurality of first and second heat exchanger plates provided beside each other for forming a plate package having a surrounding edge side and first plate interspaces for a first medium and second plate interspaces for a second medium. A first heat exchanger plate forms, together with a second heat exchanger plate, a pair of heat exchanger plates which encloses a first plate interspace. The plate package has a plurality of such pairs. Each heat exchanger plate has two portholes which form ports extending through the plate package and communicating with the first plate interspaces. The second plate interspaces are open through the enclosing edge side. Each first heat exchanger plate includes a first bent part that cooperates with a bent part of a second heat exchanger plate in order to ensure that these two heat exchanger plates take a determined position in relation to each other. Each porthole of a first heat exchanger plate cooperates with a corresponding porthole of a second heat exchanger plate in order to ensure that each pair takes a determined position in relation to adjoining pairs. | 02-11-2010 |
| 20100011723 | CENTRIFUGAL SEPARATOR - The invention relates to a centrifugal separator for cleaning of gas from solid or liquid particles suspended therein which are of greater density than the gas. A main object of the present invention is to accomplish a centrifugal separator which does not have said inactive regions and thereby achieves efficient separation of particulate contaminants from a gas. This object is achieved by the centrifugal separator initially defined, which is characterised in that the interspaces between the separation discs at least at their radially outer parts are substantially open for flow of the gas in the circumferential direction and that mutually adjacent separation discs are arranged at mutual spacing such that rotation of the rotor causes a pumping action in the interspaces, which pumping action drives the gas from the gas inlet, through the interspaces between the separation discs and out via the gas outlet. | 01-21-2010 |
| 20100008833 | HEAT-EXCHANGER REACTOR HAVING MIXING ZONES - The present invention relates to a heat-exchanger reactor comprising a vessel, at least one dividing member selected from plates, walls, or spiral sheets, which dividing member separates heat exchanging fluids into at least one heat exchanging zone from fluids into at least one mixing zone, and at least one flow-directing device having one or more ports or one or more injection ports, which flow-directing device is inserted into the mixing zone. The present invention relates also to uses of the heat-exchanger reactor. | 01-14-2010 |
| 20100006275 | PLATE HEAT EXCHANGER - A plate heat exchanger ( | 01-14-2010 |
| 20090305078 | Brazing Material, a Method of Brazing, a Brazed Article and a Paste Comprising This Brazing Material - The present invention relates an iron based brazing material comprising an alloy consisting essentially of: 15 to 30 wt % chromium (Cr); 0 to 5.0 wt % manganese (Mn); 15 to 30 wt % nickel (Ni); 1.0 to 12 wt % molybdenum (Mo); 0 to 4.0 wt % copper (Cu); 0 to 1.0 wt % nitrogen (N); 0 to 20 wt % silicone (Si); 0 to 2.0 wt % boron (B); 0 to 16 wt % phosphorus (P); optionally 0.0 to 2.5 wt % of each of one or more of elements selected from the group consisting of carbon (C), vanadium (V), titanium (Ti), tungsten (W), aluminium (Al), niobium (Nb), hafnium (Hf), and tantalum (Ta); the alloy being balanced with Fe, and small inevitable amounts of contaminating elements; and wherein Si, B and P are in amounts effective to lower melting temperature, and Si, B, and P are contained in amounts according to the following formula: Index=wt % P+1.1×wt % Si+3×wt % B, and the value of the Index is within the range of from about 5 wt % to about 20. The present invention relates also to a method of brazing article of stainless steel, and an article of stainless steel. | 12-10-2009 |
| 20090280974 | CENTRIFUGAL SEPARATOR - In a centrifugal separator comprising a first and second separator part having a centrifuge rotor and rotates during operation relative to the first separator part. A space connecting the first and second separator parts houses a rotating liquid body during operation. A mechanical sealing device is provided at the space and includes a first sealing element on the first separator part having a first contact surface, and a second sealing element on the second separator part having a second contact surface. The liquid body on the first sealing element or the second sealing element and displaces the same axially so that the first and second contact surfaces are pressed against each other. A pre-tensioning element exerts force on the sealing element which acts to displace the first contact away from the second contact surfaces so that a gap is formed, forming a throttling. | 11-12-2009 |
| 20090223496 | DEVICE FOR CLEANING OF CRANKCASE GASES - This document describes a device for cleaning of crankcase gases from a combustion engine, and a combustion engine having such a device. An inlet conduit is connected to a crankcase of the combustion engine. A centrifugal separator receives a flow of crankcase gases from the crankcase via the inlet conduit and comprises a routable centrifuge rotor for centrifuging the crankcase gases. A drive device drives the centrifuge rotor. An outlet conduit discharges cleaned crankcase gases from the centrifugal separator. The rotary speed of the drive device, and thus the rotary speed of the centrifuge rotor, is controllable depending on the gas pressure in the crankcase. An export conduit may be connected to the inlet conduit and adapted to enable discharge of a flow of crankcase gases from the crankcase by-passing the centrifugal separator depending on the gas pressure in the crankcase. An import conduit may be connected to the inlet conduit and adapted to enable feeding of a flow of air from the surroundings to the crankcase depending on the gas pressure in the crankcase. | 09-10-2009 |
| 20090186752 | CENTRIFUGAL SEPARATOR - The invention refers to a centrifugal separator for centrifuging components contained in a liquid mixture and having different density. A rotating centrifuge rotor is arranged to rotate around a centre axis and comprises a casing defining an inner separation space. An inlet channel is provided for supply of the liquid mixture of components to be separated to the separation space. At least one outlet channel is connected to the separation space and provided for discharge of a component separated during operation. A torque transmitting part around the centre axis is fixedly connected to the centrifuge rotor. A drive motor drives the torque transmitting part and thus the centrifuge rotor in such a way that the centrifuge rotor is brought to rotate. The drive motor comprises a stator and a rotor, which is fixedly connected to the torque transmitting part. The rotor of the drive motor surrounds a cavity which is through-flown by liquid during operation. The drive motor is provided axially outside the centrifuge rotor. | 07-23-2009 |
| 20090178793 | Heat Transfer Plate For Plate Heat Exchanger With Even Load Distribution In Port Regions - The invention relates to a heat transfer plate ( | 07-16-2009 |
| 20090159251 | Plate And Gasket For Plate Heat Exchanger - The invention relates to a heat exchanger plate for a plate heat exchanger, which plate has a number of ports, a distribution region, a heat transfer region, a first adiabatic region, a second adiabatic region and an edge area that extends outside the ports and the regions, which plate has a first gasket groove extending in the edge area outside the regions and around the ports, and a second gasket groove extending between the adiabatic region and the adjacent distribution region, whereby the gasket grooves are connected together to accommodate a gasket for sealing abutment against an adjacent heat exchanger plate in the plate heat exchanger. The invention further relates to a gasket for a heat exchanger plate and a plate heat exchanger having a package of heat exchanger plates and gaskets. | 06-25-2009 |
| 20090151890 | Method And Device For Assessing The Risk of Fluid Leakage In A Heat Exchanger With Sensor - A method and device, for a heat exchanger which is provided with gaskets, for assessing and detecting the risk of fluid leakage in the heat exchanger due to worn-out gaskets. In the heat exchanger, a heat transfer plate ( | 06-18-2009 |
| 20090137378 | ROTOR UNIT FOR A CENTRIFUGAL SEPARATOR - A rotor unit for a centrifugal separator, which centrifugal separator comprises a non-rotatable housing wherein the rotor unit is disposed about a central axis of rotation, an inlet for supply of a mixture of components to be separated, at least one outlet for a component separated during operation, whereby the rotor unit, at least parts of which are made of metal, comprises a separating chamber formed inside the rotor unit, an inlet chamber connected to the inlet and the separating chamber, is formed radially within said separating chamber and is usually shielded from the separating chamber, at least one outlet connected to the separating chamber, a plurality of separating discs disposed at a distance axially from one another in said separating chamber coaxially with the axis of rotation, at least a number of the metal parts of said rotor unit are undetachably joined together to form a composite assembly. | 05-28-2009 |
| 20090137377 | METHOD FOR SUPERVISING A CENTRIFUGAL SEPARATOR - Method for supervising a centrifugal separator with a separating chamber, a radially inner outlet connected to the separating chamber and to an outlet conduit, with a flow detector disposed in the outlet conduit and adapted to detecting a flow in the outlet conduit, and an intermittently openable radially outer outlet connected to the separating chamber. In order reliably and easily to supervise the intermittent discharge of the centrifugal separator, the pressure is measured by a sensor disposed in a portion of the centrifugal separator which is pressure-transmittingly connected to a central portion of the interior of the rotor. If the supervision unit does not detect a pressure drop pulse from the sensor within a predetermined period of time from when an intermittent discharge is initiated, an alarm signal is emitted. | 05-28-2009 |
| 20090095457 | Plate Heat Exchanger - The invention relates to a plate heat exchanger ( | 04-16-2009 |
| 20090050536 | PROCESS FOR REFINING FATS AND OILS - The present invention relates to a process for cooling fatty acid distillate from scrubbing section in a fats and oils refinery comprising cooling the fatty acid distillate by heat recovery in at least one heat-exchanging zone with refined oils having a temperature above about 50° C. heating the refined fats and oils to a temperature above about 70° C. The present invention relates further to a process for refining crude fats and oils, and refining plant for refining crude fats and oils. | 02-26-2009 |
| 20090025563 | CENTRIFUGAL SEPARATOR - In a centrifugal separator for cleaning a gas containing liquid impurities, a stationary casing encloses a separation space having an inner wall surface. An inlet is provided. A rotating member is provided in the separation space downstream the inlet rotates in a direction of rotation around an axis of rotation. The rotating member brings the gas to rotation in the direction of rotation for separation of liquid impurities from the gas. A gas outlet is provided downstream the rotating member for discharge of the cleaned gas. A first liquid outlet is provided upstream the gas outlet and downstream the rotating member for discharge of separated liquid impurities and comprises an outlet hole. A surrounding ring groove extends outwardly from the inner wall surface in the stationary casing and has a surrounding bottom surface, wherein the outlet hole extends outwardly from the bottom surface. | 01-29-2009 |
| 20090013658 | CENTRIFUGAL SEPARATOR - The invention refers to a centrifugal separator for cleaning of a gas containing liquid impurities. The centrifugal separator comprises a stationary casing, which encloses a separation space and has an inner wall surface. A rotating member is provided in the separation space and arranged to rotate in a direction of rotation around an axis (x) of rotation. The rotating member brings the gas to rotation for separation of the liquid impurities from the gas. A gas outlet is provided for discharge of the cleaned gas. A first liquid outlet is provided downstream the rotating member for discharge of separated liquid impurities. The separation space comprises an annular surface which extends between the rotating member and the inner wall surface. The annular surface is configured to transport liquid impurities radially outwardly to the first liquid outlet. | 01-15-2009 |
| 20090008072 | Plate Heat Exchanger Including Strengthening Plates Provided Outside Of The Outermost Heat Exchanger Plates - The invention relates to a plate heat exchanger including a plurality of plates. The plates extend in parallel to a main extension plane and include several heat exchanger plates and a strengthening plate ( | 01-08-2009 |
| 20090000258 | Centrifugal Separator - In a centrifugal separator for cleaning a gas comprising liquid impurities, a stationary casing encloses a separation space having an inner wall surface. The separator comprises an inlet for the gas. A rotating member rotates around and brings the gas to rotation for separation of at least a main part of the liquid impurities from the gas. A gas outlet is provided downstream the rotating member for discharge of the cleaned gas. A first liquid outlet discharges the liquid impurities and comprises an outlet hole. An annular surface extends inwardly from the wall surface and is located downstream the outlet hole. The first liquid outlet comprises an annular shield element extending from the annular surface at a distance and radially inside the outlet hole. The shield element and the annular surface form an annular groove radially inside the outlet hole. | 01-01-2009 |
| 20080314567 | Heat Exchanger Mixing Systen - The present invention relates to a heat exchanger mixing system comprising at least one heat exchanger zone, at least one connection plate having one or more mixing units, at least four corners per connection plate, wherein each corner being either blind passage corner, a through-passage corner, a single passage corner, or a double passage corner, and the one or more mixing units are provided with static mixing elements. Present invention relates further to use of a heat exchanger mixing system, and a process for mixing fluids. | 12-25-2008 |
| 20080304780 | Bearing Device - The present invention relates to a bearing device in which an inner ring is sealed from an outer ring by seals and together with the outer ring forms a closed bearing unit with a built-in circulation circuit for a lubricating oil mist. Rolling elements and rolling tracks disposed in the circulation circuit and lubricated by the oil mist. Means are adapted to forming an oil mist of lubricating oil from a reservoir, and means are adapted to causing the oil mist to flow in the circulation circuit. The invention also relates to an application of the bearing device for rotatably supporting a rotor in a centrifugal separator and to a method for supporting a centrifugal separator rotor for rotation about an axis of rotation. | 12-11-2008 |
| 20080267845 | Multipurpose Flow Module - The present invention relates to a multipurpose flow module comprising flow plates and/or heat exchanger plates stacked together, which flow plate having a flow channel and one or more connection ports. To each flow plate or heat exchanger plate one or more barrier plates may be attached. The present invention further relates to a method for extraction, for reaction, for mixing, or combinations thereof in the multipurpose flow module, and to uses of the multipurpose flow module. | 10-30-2008 |
| 20080264251 | Device and a Method for Cleaning of a Gas - The invention refers to a device and a method for cleaning a gas containing particulate impurities. The device includes a main separator having an inlet for the gas, an outlet for the gas and a rotating member provided between the inlet and the outlet. The rotating member is adapted to bring the gas to rotate for separating by means of centrifugal forces a main amount of the particulate impurities from the gas, wherein a rest amount of the particulate impurities remains in the gas. The device also includes an additional separator adapted to separate substantially the whole rest amount. The additional separator includes an electrostatic filter. | 10-30-2008 |
| 20080210414 | Heat Exchanger Plate, A Pair Of Two Heat Exchanger Plates, And Plate Package For A Plate Heat Exchanger - The invention refers to a heat exchanger plate ( | 09-04-2008 |
| 20080199718 | Method of Brazing Articles of Stainless Steel - The present invention relates to a method of brazing articles of stainless steel, which method comprises the following steps: step (i) applying an iron-based brazing filler material to parts of stainless steel; step (ii) optionally assembling the parts; step (iii) heating the parts from step (i) or step (ii) to a temperature of at least about 1000° C. in a non-oxidizing atmosphere, a reducing atmosphere, vacuum or combinations thereof, and heating the parts at the temperature of at least about 1000° C. for at least about 15 minutes; step (iv) providing articles having an average hardness of less than about 600 HV1 of the obtained brazed areas. The present invention relates also to brazed articles of stainless steel. | 08-21-2008 |
| 20080196874 | Plate Heat Exchanger - The invention relates to a plate heat exchanger ( | 08-21-2008 |
| 20080196873 | Gasket Assembly for Plate Heat Exchanger - A gasket assembly of a plate heat exchanger, comprising at least one gasket ( | 08-21-2008 |
