Patent application number | Description | Published |
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 |
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 |
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 |
20120325434 | PLATE HEAT EXCHANGER PLATE AND PLATE HEAT EXCHANGER - A plate heat exchanger plate with a main heat transfer portion comprising a first area comprising a first field with first corrugations arranged substantially on one side of a straight first line intersecting with second side edges and a second field with second corrugations arranged substantially on an opposite side of the first line is provided. The main heat transfer portion comprises a first outer area arranged between a first area and a first of the second side edges and extends along the first second side edge between two distribution portions. In the first outer area there are arranged first protrusions and recesses directed in a first general direction in relation to a straight second line parallel to one of first side edges. A plate with a straight first second edge may thus be provided when corrugations in the first area are directed in different directions. | 12-27-2012 |
Patent application number | Description | Published |
20110143804 | Power Loop Control Method and Apparatus - A method for implementing power loop control at a RBS controlled by an RNC includes receiving an SIR target at the RBS which is determined by the RNC for a mobile station in communication with the RBS. In a first mode, one or more transmit power control commands are generated at the RBS for issuance to the mobile station based on the SIR target received from the RNC. In a second mode, one or more transmit power control commands are generated at the RBS for issuance to the mobile station based on an SIR target determined by the RBS for the mobile station instead of the SIR target received from the RNC. Also in the second mode, artificial mobile station connection quality information is reported from the RBS to the RNC so that the SIR target determined by the RNC is adjusted in accordance with the SIR target determined by the RBS. | 06-16-2011 |
20120020337 | SCHEDULING METHOD - In a cellular radio system, the number of TDM users per cell is limited. The cellular radio system can be a WCDMA system and in particular a WCDMA system employing an Enhanced Uplink (EUL). Other users in the cell are scheduled using CDM scheduling. | 01-26-2012 |
20120157152 | Uplink Power Control - A power control applied to a radio network controller ( | 06-21-2012 |
20120182945 | Uplink Power Control - An uplink power control that is applied to a user equipment ( | 07-19-2012 |
20120188960 | Method, User Equipment, Computer Program and Computer Program Product for Selecting an Output Stream - It is presented a method for selecting an output stream for bits of a bit set. The method comprises the steps of: obtaining indicators of how much transmission power is allowed to be used; calculating a maximum number of bits that can be provided to each one of the two output streams; determining which one of the two output streams is to be a primary output stream and which one of the two output streams is to be the secondary output stream. The primary output stream is then filled first and any surplus is provided to the secondary output stream. A corresponding user equipment, computer program and computer program product are also presented. | 07-26-2012 |
20130070683 | Method And A Device For Increased Bit Rate - In a method and a device for setting the Transport Format Combination size step in a scheduler of a cellular radio system to be used by a user equipment transmitting data to a radio base station of the cellular radio system, the Transport Format Combination size step is set as a function of a number of pre-defined cell and/or user conditions. This will increase the user bit Crate at low load. Specifically, the time to reach a high bitrate in low load situations is reduced. This leads to enhanced user experience for bursty services such as World Wide Web (WWW) services. | 03-21-2013 |
20130329561 | Method and Device for Estimating Available Cell Load - Methods and devices for determining an available load in a cell of a cellular radio system are provided where the determination of the available load is made in response to an estimated inter cell interference load. An estimated inter cell interference is determined. The inter cell interference change events are monitored by determining when a User Equipment changes serving cell or when the User Equipment adds or removes a cell to the active set of the User Equipment. The determined inter cell interference is adjusted by an estimated load caused by the User Equipment causing an inter cell interference change event, and the available load is determined in response to the adjusted inter cell interference. The method can continuously update inter cell interference. Moreover, the update can be made fast and thereby allow an improved estimation of the available cell load. | 12-12-2013 |
20140036857 | Nodes and Method for Power Control - A controlling node ( | 02-06-2014 |
20140128056 | Methods and Devices for Setting ROT Limit - Methods and devices to dynamically determine suitable cell-specific RoT limits are provided. The suitable cell-specific RoT limits can advantageously be set both with respect to a short time scale and a long time scale In accordance with some embodiments the long term time scale operation is based on UE measurements representative for the intended coverage area of the cell. In accordance with some embodiments the short term time scale operation is based on UE measurements from active User Equipments only. Furthermore, also receiver capabilities of and cell isolation to neighboring base stations can be considered in the long time scale operation. | 05-08-2014 |
20140301193 | Uplink Load Control Method and Apparatus Used in a Wireless Communication System - The present invention discloses schemes to perform load control taking uplink BLER statistics into account. An uplink load control method and apparatus are provided in a wireless communication system. The uplink load control method comprises estimating uplink load budget in a cell of the wireless communication system; determining whether the cell is over-loaded based on Block Error Rate (BLER) statistics of non-Guarded Bit Rate (non-GBR) users in the cell and/or Fast Congestion Control (FCC) action statistics in the cell; decreasing the uplink load budget if it is determined that the cell is over-loaded; and increasing the uplink load budget if it is determined that the cell is not over-loaded. Preferably, increasing or decreasing of the uplink load budget is based on the BLER stastics BLER | 10-09-2014 |
Patent application number | Description | Published |
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 |
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 |
20110259562 | HEAT EXCHANGER - A heat exchanger, having a circular housing having a first and a second end plate ( | 10-27-2011 |
20120325434 | PLATE HEAT EXCHANGER PLATE AND PLATE HEAT EXCHANGER - A plate heat exchanger plate with a main heat transfer portion comprising a first area comprising a first field with first corrugations arranged substantially on one side of a straight first line intersecting with second side edges and a second field with second corrugations arranged substantially on an opposite side of the first line is provided. The main heat transfer portion comprises a first outer area arranged between a first area and a first of the second side edges and extends along the first second side edge between two distribution portions. In the first outer area there are arranged first protrusions and recesses directed in a first general direction in relation to a straight second line parallel to one of first side edges. A plate with a straight first second edge may thus be provided when corrugations in the first area are directed in different directions. | 12-27-2012 |
20120325444 | SPIRAL HEAT EXCHANGER - A spiral heat exchanger includes a spiral body formed by at least one spiral sheet wound to form the spiral body forming at least a first spiral-shaped flow channel for a first medium and a second spiral-shaped flow channel for a second medium, wherein the spiral body is enclosed by a substantially cylindrical shell being provided with connecting elements communicating with the first flow channel and the second flow channel, where the at least one spiral sheet comprises a corrugated heat transfer surface with corrugations for increasing the heat transfer and supports for spacing the wounds of the at least one spiral sheet in the spiral body. | 12-27-2012 |
20130020062 | PLATE HEAT EXCHANGER AND METHOD OF PRODUCING A PLATE HEAT EXCHANGER - A plate heat exchanger comprises a stack of heat transfer plates each extending in a general plane and provided with a main heat transfer portion with a corrugation pattern. Each heat transfer plate comprises an outer peripheral portion extending outside the main heat transfer portion and along a periphery. The outer peripheral portion comprises outer and inner edge portions. In the stack the heat transfer plates in their outer peripheral portions abut against each other alternately along the outer and inner edge portions, and are welded together alternately along the outer and inner edge portions. The heat transfer plates in the stack are welded together by melting material of the heat transfer plates closest to abutting faces of the edge portions by supplying welding energy in a direction substantially parallel to the general plane to produce weld joints between the heat transfer plates in the outer and inner edge portions. | 01-24-2013 |
20130299146 | PLATE HEAT EXCHANGER - A stack of heat transfer plates configured to be arranged within a block-type heat exchanger. The stack of heat transfer plates comprises pairs of heat transfer plates that are stacked such that a flow path for a first fluid is formed between the stacked pairs of heat transfer plates, wherein a pair of the stacked pairs of heat transfer plates comprises a first heat transfer plate and a second heat transfer plate that are joined such that a flow path for a second fluid is formed between the first and second heat transfer plates. The pair of heat transfer plates comprises corrugations that are arranged on a respective side of an elongated joint that joins the first and second heat transfer plates. A related plate heat exchanger is also disclosed. | 11-14-2013 |
20140131020 | MODULE OF HEAT TRANSFER PLATES AND PLATE HEAT EXCHANGER COMPRISING SUCH MODULE - A module of heat transfer plates which are welded to each other comprises a first outer heat transfer plate, at least a first and a second heat transfer plate, and a first reinforcement arrangement. Port holes form a first port channel in the module. The first reinforcement arrangement comprises a first abutment member and a first supporting member. The first abutment member is arranged on a side of the first outer heat transfer plate opposite to the first heat transfer plate. The first supporting member is arranged between the first abutment member and the first outer heat transfer plate. The first supporting member abuts against the first abutment member and the first outer heat transfer plate. Further a heat exchanger comprising such a module is provided. | 05-15-2014 |
20140131025 | HEAT TRANSFER PLATE FOR A PLATE-AND-SHELL HEAT EXCHANGER - A heat transfer plate configured to be arranged in a plate-and-shell type plate heat exchanger. The heat transfer plate comprises an inlet port and an outlet port. The inlet port has a first inlet section that faces the outlet port and comprises a first fluid blocker, for distribution of at least a part of a flow of fluid over a second inlet section of the inlet port. The outlet port has a first outlet section that faces the inlet port and comprises a second fluid blocker, for distribution of at least a part of the flow of fluid over a second outlet section of the outlet port. Corrugations are arranged intermediate the inlet port and the outlet port. | 05-15-2014 |
20140251550 | PLATE EVAPORATOR OF THE FALLING FILM TYPE, AND A PLATE EVAPORATOR APPARATUS HAVING SUCH A PLATE EVAPORATOR ARRANGED IN A HOUSING - A plate evaporator apparatus of the falling film type comprises a housing having an inlet for liquid to be evaporated and having mounted therein a package of heat transferring plates with plate interspaces, every second one of which forms an evaporation space for at least partial evaporation of liquid and the other plate interspaces forming condensation spaces for at least partial condensation of a heat emitting vapour. First seals delimit distribution chambers, each of which is in liquid flow communication with at least one evaporation space by flow ways spaced apart along the package width. The heat transferring plates have through openings aligned to form a passage extending through the plate package. A pipe is connected to the inlet and has apertures distributed along its length in flow communication with the distribution chambers, for supplying the liquid to be evaporated from the inlet to the distribution chambers through the apertures. | 09-11-2014 |
20150075757 | PLATE HEAT EXCHANGER - A plate heat exchanger includes first and second frame plates, and a stack of heat transfer plates. Each heat transfer plate has a peripheral portion encircling a center portion. The heat transfer plates are arranged in pairs between the first and second frame plates, and formed between the pairs of heat transfer plates is a first flow path for a first fluid and a second flow path for a second fluid. One of the first and second flow paths is a free-flow path along which center portions of the heat transfer plates are completely separated from each other. A reinforcement plate is thicker than the heat transfer plates and has a center portion encircled by a peripheral portion. The reinforcement plate is arranged between the first frame plate and the stack of heat transfer plates. Permanent reinforcement joints each bond together the reinforcement plate and an outermost heat transfer plate. | 03-19-2015 |