| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 060616000 | Having means to transfer heat energy between engine exhaust and motive fluid for fluid motor | 69 |
| 20090277173 | Waste heat recovery system with constant power output - A waste heat recovery system for use with an engine. The waste heat recovery system receives heat input from both an exhaust gas recovery system and exhaust gas streams. The system includes a first loop and a second loop. The first loop is configured to receive heat from both the exhaust gas recovery system and the exhaust system as necessary. The second loop receives heat from the first loop and the exhaust gas recovery system. The second loop converts the heat energy into electrical energy through the use of a turbine. | 11-12-2009 |
| 20090313993 | VAPORIZER FOR A WASTE HEAT RECOVERY SYSTEM - The invention relates to a vaporizer for a working medium for operating a vapor circulation process, including a working medium inlet section, a heat exchanger section, and a vapor collection section for the vaporized working medium, which are constructed as a stacking sequence from a plurality of materially bonded plates having through openings, a first channel system for conducting the heat transfer medium and a second channel system for conducting the working medium, which is hydraulically separated from the first channel system, being applied in the heat exchanger section, and the first channel system and the second channel system each being implemented by a partial overlap of the through openings of adjacent plates. | 12-24-2009 |
| 20100043432 | Miniaturized waste heat engine - A closed loop vapor cycle generated by a special device formed by heat transfer and a vapor expander means it is utilized to convert waste heat from conventional power systems into additional thermodynamic work, thereby improving the overall power system efficiency. Superheated vapor (i.e. steam) is instantaneously produced inside special energy transfer means where waste heat is converted into fluid energy with desired thermodynamic properties. The superheated vapor is then converted into mechanical energy through special work-producing units (expanders), thereby returning a significant fraction of the energy contained in the waste heat to the power system. | 02-25-2010 |
| 20100050635 | Vehicle drive train comprising a retarder and an expander - The invention relates to a vehicle drive train, especially for a truck or a rail vehicle, with a hydrodynamic retarder, which has a rotor and a stator or a rotor and a counter-rotating rotor, which together form a working chamber in which a circulating flow of a working medium can be established to hydrodynamically transfer torque from the rotor to the stator or to the counter-rotating rotor, or with a dynamic retarder, which has a rotor and a stator or a rotor and a counter-rotating rotor, in order to transfer torque from the rotor electrodynamically by means of magnetic force, or via liquid or mechanical friction, wherein the transfer of torque or a removal of heat from the retarder is accomplished using a working medium; with an expander that is operated with fluid or steam as the working medium and is used to supply mechanical drive power to the drive train. | 03-04-2010 |
| 20100146969 | Vehicle or Stationary Power Plant Having a Turbocharged Internal Combustion Engine as a Drive Source - A vehicle or stationary power plant having an internal combustion engine as a drive source and having components adapted to be supplied with heat from a medium accommodated in a closed loop The turbine of the exhaust gas turbocharger provided for turbocharging the internal combustion engine acts as a heat source. A heat exchanger is disposed externally on the turbine housing and can be incorporated or switchable into the medium loop The medium can be conveyed directly or channeled through the interior of the heat exchanger, and the medium is adapted to be heated up in such interior utilizing at least thermal radiation energy from the hot turbine housing. | 06-17-2010 |
| 20100205958 | EXHAUST HEAT RECOVERING METHOD, EXHAUST HEAT RECOVERING APPARATUS AND COGENERATION SYSTEM - A first heat medium is circulated in a first circulating path (engine cooling circuit) of a heat source (engine) to cool the heat source down by the first heat medium, and exhaust heat from the heat source is absorbed by the first heat medium. A second heat medium is circulated in a second circulating path (exhaust heat recovering circuit) to exchange heat of exhaust air with the second heat medium, and heat of the first heat medium is exchanged with the second heat medium circulating in the second circulation path. The heat of the second medium to which heat is applied due to these heat exchanges is stored in heat storage means (heat storage tank). | 08-19-2010 |
| 20100319346 | SYSTEM FOR RECOVERING WASTE HEAT - A waste heat recovery system includes at least two integrated rankine cycle systems coupled to at least two separate heat sources having different temperatures. The first rankine cycle system is coupled to a first heat source and configured to circulate a first working fluid. The second rankine cycle system is coupled to at least one second heat source and configured to circulate a second working fluid. The first and second working fluid are circulatable in heat exchange relationship through a cascading heat exchange unit for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system. At least one recuperator having a hot side and a cold side is disposed in the first rankine cycle system, second rankine cycle system, or combinations thereof. The at least one recuperator is configured to desuperheat and preheat the first working fluid, second working fluid, or combinations thereof. | 12-23-2010 |
| 20110072816 | WASTE HEAT RECOVERY SYSTEM WITH CONSTANT POWER OUTPUT - A waste heat recovery system for use with an engine. The waste heat recovery system receives heat input from both an exhaust gas recovery system and exhaust gas streams. The system includes a first loop and a second loop. The first loop is configured to receive heat from both the exhaust gas recovery system and the exhaust system as necessary. The second loop receives heat from the first loop and the exhaust gas recovery system. The second loop converts the heat energy into electrical energy through the use of a turbine. | 03-31-2011 |
| 20110088395 | COMBUSTION METHOD AND APPARATUS - A method of combusting a very low cetane number material comprises injecting said material into a combustion cylinder of a heterogeneous-charge compression-ignition engine and supplying to the cylinder inlet port supplying the chamber combustion air or working fluid at a temperature substantially above ambient for substantially the entire time that the engine is running. Other aspects of the invention provide a compression ignition engine for use in the method, and method of using the engine to combust fuels. | 04-21-2011 |
| 20110107761 | Hybrid high efficiency motor - This device is an improvement on an internal combustion engine (ICE) in that the device is a hybrid of an ICE directly linked to a heat engine (HE) via an adjustable transmission to drive the power shaft for the transmission for the car, boat, generator or other equipment. The improvement provides a means of directly receiving the heat from the exhaust of the ICE and using it to power the HE which is linked via an adjustable transmission, such as a continuous variable transmission (CVT). This linkage allows the HE to use the power of the ICE to start turning until the HE has warmed up enough that it can contribute power to the ICE crank shaft, and subsequent final common power shaft for the two engines, such that it acts as a unified, hybrid motor that powers the transmission of a truck, generator or other equipment. | 05-12-2011 |
| 20120174580 | INTERNAL COMBUSTION ENGINE WITH CYLINDER HEAD AND TURBINE - The disclosure relates to an internal combustion engine which is optimized with regard to the cooling of a turbine. The engine has at least one cylinder head and block, forming at least one cylinder, and at least one turbine. Each cylinder has at least one exhaust opening for discharging the exhaust gases from the cylinder. An exhaust gas line is connected to each exhaust opening, the exhaust gas lines converging to produce at least one combined exhaust gas line, thereby forming at least one exhaust manifold, which opens into the at least one turbine having a turbine housing. The turbine has at least one flow channel conducting exhaust gas through the turbine housing, and at least one coolant passage integrated in the housing forming a cooling facility. At least one chamber is arranged between the at least one coolant passage and the at least one flow channel conducting exhaust gas. | 07-12-2012 |
| 20120192560 | SYSTEM AND METHOD FOR REGULATING EGR COOLING USING A RANKINE CYCLE - This disclosure relates to a waste heat recovery (WHR) system and method for regulating exhaust gas recirculation (EGR) cooling, and more particularly, to a Rankine cycle WHR system and method, including a recuperator bypass arrangement to regulate EGR exhaust gas cooling for engine efficiency improvement and thermal management. This disclosure describes other unique bypass arrangements for increased flexibility in the ability to regulate EGR exhaust gas cooling. | 08-02-2012 |
| 20120192561 | Combination spherical rotary valve internal combustion engine and steam engine incorporating scrubber capabilities on internal combustion engine exhaust - An internal combustion engine operating on spherical rotary valves in combination with a steam engine driven by the exhaust heat of the internal combustion engine, both engines are utilized to generate electricity, a portion of the waste steam is also utilized to scrub the pollutants from the exhaust of the internal combustion engine prior to its introduction to the ambient atmosphere. | 08-02-2012 |
| 20120240575 | VEHICLE WASTE HEAT RECOVERY DEVICE - When a detection value of a temperature sensor exceeds a set temperature, an ECU increases an opening of a sub-port by controlling a solenoid valve, and as a result, an intake volume of an expander increases. The ECU then adjusts the mass flow rate of a coolant flowing through a boiler so that a detection value of a pressure sensor indicates a pressure as close as possible to an upper limit pressure, on condition that an upper limit temperature is not exceeded. | 09-27-2012 |
| 20130019595 | CONTROL APPARATUS AND CONTROL METHOD FOR STIRLING ENGINE - A control apparatus for a Stirling engine that uses exhaust gas of an internal combustion engine as a high-temperature heat source and is provided with a starter that drives an output shaft, includes a control unit that drives the starter in starting up the Stirling engine, stops driving the starter when a rotational speed of the Stirling engine reaches a target rotational speed, and then drives the starter again when the rotational speed of the Stirling engine becomes lower than a predetermined value. | 01-24-2013 |
| 20130139506 | WASTE HEAT RECOVERY SYSTEM WITH CONSTANT POWER OUTPUT - A waste heat recovery system for use with an engine. The waste heat recovery system receives heat input from both an exhaust gas recovery system and exhaust gas streams. The system includes a first loop and a second loop. The first loop is configured to receive heat from both the exhaust gas recovery system and the exhaust system as necessary. The second loop receives heat from the first loop and the exhaust gas recovery system. The second loop converts the heat energy into electrical energy through the use of a turbine. | 06-06-2013 |
| 20130186088 | ADAPTIVE HEAT EXCHANGE ARCHITECTURE FOR OPTIMUM ENERGY RECOVERY IN A WASTE HEAT RECOVERY ARCHITECTURE - A waste heat recovery system that efficiently converts waste heat from an engine coolant and an engine exhaust in a vehicle. The system includes a coolant heat exchanger that receives heat from the engine coolant, an exhaust heat exchanger that receives heat from the engine exhaust and an economizer heat exchanger. A plurality of valves control the flow of the fluid in different modes as determined by a power ratio between the heat provided by the exhaust heat exchanger and the heat provided by the coolant heat exchanger, including an economizer heat exchanger after coolant heat exchanger mode at low power ratios, where the fluid from the pump flows to the economizer heat exchanger after the coolant heat exchanger and an economizer heat exchanger before coolant heat exchanger mode at high power ratios, where the fluid from the pump flows to the economizer heat exchanger before the coolant heat exchanger. | 07-25-2013 |
| 20140090376 | ORGANIC RANKINE CYCLE FOR MECHANICAL DRIVE APPLICATIONS - A combined thermodynamic system for the production of mechanical power. The system comprises a gas turbine and a turbomachinery driven by the gas turbine. The system further comprises a thermodynamic organic Rankine cycle with a turboexpander. A heat transfer arrangement transfers heat from exhaust combustion gases of the gas turbine to the thermodynamic organic Rankine cycle, wherein heat is converted into mechanical power used for driving a driven a turbomachine. | 04-03-2014 |
| 20140360187 | ELECTRICITY GENERATION UNIT AND COGENERATION SYSTEM - An electricity generation unit | 12-11-2014 |
| 20150013334 | HEAT RECOVERY SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A heat recovery system for an internal combustion engine may include a heat exchanger, through which a fluid heat-transfer medium flows, for transferring heat from an exhaust gas system to the heat-transfer medium. A heat engine, through which the heat-transfer medium flows, may be included for converting the heat transferred to the heat-transfer medium into mechanical output work. A cyclically closed line system may be included for connecting the heat exchanger to the heat engine. The system may include a positive displacement pump for conveying the heat-transfer medium through the line system in a predefined flow direction via mechanical drive work. The system may include a drive, which is hermetically sealed off from the heat-transfer medium, for feeding the drive work to the positive displacement pump, and an output, which is hermetically sealed off from the heat-transfer medium, for discharging the output work from the heat engine. | 01-15-2015 |
| 20150128590 | THERMOELECTRIC GENERATOR INSERT FOR ENGINE WASTE HEAT RECOVERY - According to the disclosed embodiments, a thermoelectric generator (TEG) insert is used for recovery of engine waste heat. The embodiments include an engine having an exhaust manifold outlet, and an exhaust pipe having an inlet and an outlet. The TEG insert, which is configured to convert heat from exhaust gas leaving the engine into electrical power, may be disposed between the exhaust manifold outlet of the engine and the inlet of the exhaust pipe. The location of the TEG insert may maximize the thermal conversion of heat to electricity. Further, the size of the TEG insert may be minimized through the use of a high-efficiency nano-material. As a result, overall fuel economy may be maximized, the size of ancillary components, e.g., alternator, coolant pump, oil pump, etc., may be reduced, and minimal engine design change may be required to accommodate the TEG insert described herein. | 05-14-2015 |
| 20150128591 | VEHICLE HYDRAULIC ACCUMULATOR SYSTEM WITH EXHAUST ENERGY RECOVERY - An exhaust energy recovery system can include a hydraulic accumulator having an outer shell defining an internal volume containing an energy storage medium. The heat exchanger can be coupled to the outer shell and can selectively receive a flow of exhaust gas. The heat exchanger can have an inlet and outlet that can each be coupled to an exhaust pipe. A valve can be associated with the exhaust pipe upstream of the heat exchanger and a bypass passage can be in selective fluid communication with the valve to provide an exhaust gas flow path that bypasses the heat exchanger. The valve can be configured to: i) divert at least a portion of the exhaust gas through the heat exchanger thereby providing thermal energy to at least the energy storage medium of the accumulator, and/or ii) divert at least a portion of the exhaust gas through the bypass passage. | 05-14-2015 |
| 20160040549 | METHOD FOR FLEXIBLE OPERATION OF A POWER PLANT - A method for flexible operation of a power plant having a recovery steam generator having heat exchanger stages for generating live steam and/or reheater steam for a steam turbine from an exhaust flow of a gas turbine, wherein auxiliary firing is arranged in a flue gas channel of the recovery steam generator in the region of the heat exchanger stages. In order to regulate the live steam and/or the reheater steam, at least one injection cooling device is brought online directly upon using the auxiliary firing. | 02-11-2016 |
| 20160061059 | SYSTEM AND METHOD FOR REGULATING EGR COOLING USING A RANKINE CYCLE - This disclosure relates to a waste heat recovery (WHR) system and method for regulating exhaust gas recirculation (EGR) cooling, and more particularly, to a Rankine cycle WHR system and method, including a recuperator bypass arrangement to regulate EGR exhaust gas cooling for engine efficiency improvement and thermal management. This disclosure describes other unique bypass arrangements for increased flexibility in the ability to regulate EGR exhaust gas cooling. | 03-03-2016 |
| 20160102632 | HEAT EXCHANGER USING EXHAUST GAS RECIRCULATION GAS - A heat exchanger using Exhaust Gas Recirculation (EGR) gas may include a cooling water line including cooling water flowing therein, an EGR line including EGR gas flowing therein and directly exchange heat between the EGR gas and the cooling water in the cooling water line, and an oil line including oil flowing therein and indirectly exchange heat between the oil and the EGR gas through the cooling water while directly exchanging heat between the oil and the cooling water in the cooling water line. | 04-14-2016 |
| 20160130981 | INTERNAL COMBUSTION ENGINE ARRANGEMENT COMPRISING A WASTE HEAT RECOVERY SYSTEM AND PROCESS FOR CONTROLLING SAID SYSTEM - A waste heat recovery system carrying a working fluid in a loop includes an expander, a condenser and a pump, a first and a second line arranged in parallel in the high pressure circuit portion upstream of the expander and joining at a downstream junction point in the high pressure circuit portion. The first line includes a first heat exchanger connected to the exhaust line, and the second line includes a second heat exchanger connected to a line carrying a warm fluid. A first by-pass system prevents not fully evaporated working fluid from the first line to flow through the expander. A second by-pass system connects the second line to the low pressure circuit portion for by-passing the downstream junction point and the expander. | 05-12-2016 |
| 20160146056 | DEVICE AND METHOD FOR SEPARATING DIRT PARTICLES FROM THE WORKING MEDIUM OF A TURBINE - The invention relates to a device and a method for separating dirt particles from the working medium of a turbine ( | 05-26-2016 |
| 060618000 | Motive fluid is vaporized liquid | 42 |
| 20090000299 | SYSTEM AND METHOD FOR RECOVERING WASTE HEAT - A waste heat recovery system includes at least two integrated rankine cycle systems coupled to at least two separate heat sources having different temperatures. The first rankine cycle system is coupled to a first heat source and configured to circulate a first working fluid. The second rankine cycle system is coupled to at least one second heat source and configured to circulate a second working fluid. The at least one second heat source includes a lower temperature heat source than the first heat source. The first and second working fluid are circulatable in heat exchange relationship through a cascading heat exchange unit for condensation of the first working fluid in the first rankine cycle system and evaporation of the second working fluid in the second rankine cycle system. | 01-01-2009 |
| 20090031724 | Energy recovery system - An energy recovery system is provided having a fluid configured to absorb and convey thermal energy. The system also has an exhaust treatment device cooling system configured to transmit thermal energy from an exhaust treatment device to the fluid. In addition, the system has a turbine that is driven by the fluid configured to convert at least a portion of the thermal energy to mechanical energy. The system further has a generator that is powered by the turbine configured to convert at least a portion of the mechanical energy to electrical energy. | 02-05-2009 |
| 20090145127 | COMBINED-CYCLE POWER PLANT WITH EXHAUST GAS RECYCLING AND CO2 SEPARATION, AND METHOD FOR OPERATING A COMBINED CYCLE POWER PLANT - A combined cycle power plant ( | 06-11-2009 |
| 20100205959 | Waste Heat Utilization Device for Internal Combustion Engine - A waste heat utilization device ( | 08-19-2010 |
| 20110083434 | Method and Apparatus For Achieving Higher Thermal Efficiency In A Steam Engine or Steam Expander - A high order of thermal efficiency is achieved in a steam engine or expander having a piston clearance that approximates zero together with a negligible amount of compression, such that pressure in the clearance volume approximates ambient pressure, i.e. atmospheric or condenser pressure as the case may be at the end of the piston return stroke when the clearance is essentially zero. These two provisions working together simultaneously provide a method and apparatus which constitute a new engine apparatus and Rankine operating cycle that can be referred to as “zero clearance with zero compression”. The invention also provides an improved steam admission valve assembly that can be operated either automatically responsive to piston movement or by means of a cam shaft and cam or electrically by means of a solenoid that provides an intermittent magnetic field for operating one or more valves. A biphasic exhaust system is described in which a piston operated valve opens to exhaust steam in a primary phase at or near maximum displacement, and in a secondary phase an auxiliary, normally open exhaust valve facing the top of the piston permits virtually all residual steam to be exhausted through the approximate end of the piston return stroke after which it is closed by the piston, by a lifter on the piston or by the cam and finally held closed during the power stroke by a fresh charge of steam injected through the steam admission valve into the clearance volume as it approaches zero. | 04-14-2011 |
| 20110167818 | EXHAUST HEAT RECOVERY SYSTEM - In a case of a refrigerant amount being short when a Rankine cycle starts operating, because the pressure difference does not occur across a refrigerant pump, refrigerant cannot be injected from a bypass circuit to the Rankine cycle, and therefore super-cooling degree cannot be controlled. An exhaust heat recovery system is provided that can adjust the super-cooling degree even in the case of the pressure difference not occurring across the refrigerant pump. The system includes a refrigerant tank, for storing refrigerant, which is connected by pipes to the low-pressure circuit side and the high-pressure circuit side of the Rankine cycle through a low-pressure-side valve and a high-pressure-side valve, respectively, and a temperature adjuster for adjusting internal temperature of the refrigerant tank. | 07-14-2011 |
| 20110185726 | Energy separation and recovery system for mobile application - An energy separation and recovery system wherein exhaust heat from an automotive engine source which might otherwise be wasted is employed in conjunction with a heat exchanger and a super heater to generate steam in a substantially closed-loop system wherein the heat supply is an open system. The superheated steam is transmitted to an engine to generate power which may be used to supply electrical energy. The electrical energy may be employed external to the system or may be used to assist the motive engine in providing motive power to the vehicle. Stepped diameter tubing carries water, or other vaporizable fluids, through the heat exchanger into the super heater while simultaneously exposing the carried water or fluid to incrementally higher temperature heated gas. Variable bellows, attached operatively to end plates accommodate the differential expansion of the tubing. The energy generation system includes a control module to permit the generation of steam and electricity at such times as there is sufficient heat to permit the generation of superheated steam. | 08-04-2011 |
| 20120006021 | HEAT EXCHANGER AND METHOD FOR PRODUCTION THEREOF - The invention concerns a heat exchanger for transmitting heat from a heating medium, in particular from the exhaust gas stream of an internal combustion engine, to a working fluid, which evaporates in the heat exchanger, comprising an alternating stacking order made of guiding layers for the heating medium and guiding layers for the working fluid; wherein the heating medium and the working fluid are injected in the cross counterflow; whereas each guiding layer for the working fluid comprises a channel plate, which has at least one meandering passage opening, whereas cover plates are arranged on both sides of the channel plate, which cover plates seal laterally the passage opening by forming a working fluid channel, except for an inlet and an outlet, wherein the channel plate is materially connected to the cover plates; and whereas the working fluid channel includes a first section, outgoing from the inlet, with a first free cross-section and a second section emerging in the outlet, with a second free cross-section, which is larger than the first free cross-section. | 01-12-2012 |
| 20120073289 | SYSTEM AND METHOD FOR COOLING AN EXPANDER - A Rankine cycle system includes: an evaporator configured to receive heat from a heat source and circulate a working fluid to remove heat from the heat source; an expander in flow communication with the evaporator and configured to expand the working fluid fed from the evaporator; a condenser in flow communication with the expander and configured to condense the working fluid fed from the expander; a pump in flow communication with the condenser and configured to pump the working fluid fed from the condenser; a first conduit for feeding a first portion of the working fluid from the pump to the evaporator; and a second conduit for feeding a second portion of the working fluid from the pump to the expander. | 03-29-2012 |
| 20120096857 | Heat utilization device an operating method - In a method for operating a waste heat utilization device comprising a working fluid which is liquefied after expansion in an expander by a condenser of the heat utilization device, by controlling an inflow cross-section to an expander of the waste heat utilization device a low pressure of the working fluid in the region of the condenser for adjusting the condensation temperature of the working fluid in the condenser, to provide for a heat transfer flow from the working fluid to the condenser environment sufficient to ensure the complete liquefication of the working fluid in the condenser. | 04-26-2012 |
| 20120111003 | Waste Heat Utilization Device for Internal Combustion Engine - A Rankine cycle ( | 05-10-2012 |
| 20120222420 | Internal combustion engine - In an internal combustion engine having a system for utilizing the waste heat from the internal combustion engine via the Clausius-Rankine cycle, a system includes a circuit having lines with a working medium, a working medium pump, a vaporizer-exhaust gas heat exchanger, and a vaporizer-EGR heat exchanger, an expander, and a condenser for liquefying the vaporous working medium. The line for the working medium is run from the condenser to the vaporizer-EGR heat exchanger so that the working medium, after flowing through the condenser, first flows through the vaporizer-EGR heat exchanger, and the line for the working medium is run from the vaporizer-EGR heat exchanger to the vaporizer-exhaust gas heat exchanger so that the working medium, after flowing through the vaporizer-EGR heat exchanger, first flows through the vaporizer-exhaust gas heat exchanger. | 09-06-2012 |
| 20120272647 | EXHAUST HEAT REUSE AND TRANSFERRING DEVICE - An exhaust heat reuse and transferring device includes a first heat-exchange pipe which is connected to an inflation valve and a steam pressure buffering member is connected between the inflation valve and a second heat-exchange pipe. The second heat-exchange pipe is connected to a nozzle. A water tank is connected to the first heat-exchange pipe by a pump and provides the agent for heat exchange with an exhaust pipe. The exhaust air with high temperature exchanges thermo energy with the water to form steam which is ejected from the nozzle. The nozzle is connected with power generation device to generate energy. | 11-01-2012 |
| 20120285167 | HEAT RECOVERY SYSTEM AND METHOD - The present invention provides an exhaust gas waste heat recovery heat exchanger including a housing having a working fluid inlet, a working fluid outlet, an exhaust inlet, and an exhaust outlet, an exhaust flow path extending through the housing between the exhaust inlet and the exhaust outlet, and a working fluid flow path extending through the housing between the working fluid inlet and the working fluid outlet and having a first portion and a second portion. A flow of working fluid along the first portion of the working fluid flow path can be substantially counter to a flow of exhaust along the exhaust flow path, and the flow of working fluid along the second portion of the working fluid flow path can be substantially parallel to the flow of exhaust along the exhaust flow path. | 11-15-2012 |
| 20120304643 | WASTE HEAT RECOVERY MECHANISM AND WASTE HEAT RECOVERY APPARATUS - A waste heat recovery mechanism and a waste heat recovery apparatus generate electricity even when an expander, which is coupled to a combustion engine outputting rotational drive force, is locked. The waste heat recovery mechanism includes an alternator having a rotary shaft, which is coupled to and driven to rotate by a combustion engine, and an expander having an output shaft, which is coupled to the rotary shaft of the alternator. The output shaft applies a rotational drive force to the rotary shaft, thereby assisting rotation of the rotary shaft. A torque limiter is located between the rotary shaft of the alternator and the output shaft of the expander. | 12-06-2012 |
| 20130125545 | SYSTEM FOR UTILIZING WASTE HEAT OF AN INTERNAL COMBUSTION ENGINE - A system for utilizing waste heat of an internal combustion engine via the Clausius-Rankine cycle process is provided that includes a circuit with lines containing a working medium, an evaporator heat exchanger which serves for evaporating the liquid working medium using waste heat of the internal combustion engine and which has an inlet opening for conducting the working medium into a flow duct and an outlet opening for conducting the working medium out of the flow duct, and the flow duct is divided into a plurality of flow duct parts connected hydraulically in parallel, an expansion machine, a condenser for liquefying the vaporous working medium, a collecting and compensating vessel for the liquid working medium, it is sought to be able to change the working medium substantially completely from a liquid state of aggregation to a gaseous state of aggregation at an evaporator heat exchanger. | 05-23-2013 |
| 20130192225 | DEVICE AND METHOD FOR THE RECOVERY OF WASTE HEAT OF AN INTERNAL COMBUSTION ENGINE - The invention relates to a device and a method for the recovery of waste heat from an internal combustion engine ( | 08-01-2013 |
| 20130227946 | TUBE BUNDLE HEAT EXCHANGER AND WASTE GAS HEAT RECOVERY DEVICE - The invention relates to a tube bundle heat exchanger having a plurality of tube windings ( | 09-05-2013 |
| 20130239571 | STEAM GENERATOR FOR A RANKINE CYCLE - A steam generator ( | 09-19-2013 |
| 20130333381 | INTERNAL-COMBUSTION ENGINE ASSOCIATED WITHA RANKINE CYCLE CLOSED LOOP AND WITH A CIRCUIT FOR WATER INJECTION INTO THE ENGINE INTAKE SYSTEM - The present invention is an internal-combustion engine, for a motor vehicle, comprising at least one cylinder ( | 12-19-2013 |
| 20140007575 | SPLIT RADIATOR DESIGN FOR HEAT REJECTION OPTIMIZATION FOR A WASTE HEAT RECOVERY SYSTEM - A cooling system provides improved heat recovery by providing a split core radiator for both engine cooling and condenser cooling for a Rankine cycle (RC). The cooling system includes a radiator having a first cooling core portion and a second cooling core portion positioned in a downstream direction of forced cooling air from the first cooling core portion, and an engine cooling loop including an engine coolant return line fluidly connected to an inlet of the second cooling core portion, and an engine coolant feed line connected to an outlet of the second cooling core portion. A condenser of an RC has a cooling loop including a condenser coolant return line fluidly connected to an inlet of the first cooling core portion and a condenser coolant feed line fluidly connected an outlet of the first cooling core portion. A valve is provided between the engine cooling loop and the condenser cooling loop adjustably control the flow of coolant in the condenser cooling loop into the engine cooling loop. The cooling system includes a controller communicatively coupled to the valve and adapted to determine a load requirement for the internal combustion engine and adjust the valve in accordance with the engine load requirement. | 01-09-2014 |
| 20140318124 | RANKINE CYCLE WASTE HEAT RECOVERY SYSTEM - This disclosure relates to a waste heat recovery (WHR) system and to a system and method for regulation of a fluid inventory in a condenser and a receiver of a Rankine cycle WHR system. Such regulation includes the ability to regulate the pressure in a WHR system to control cavitation and energy conversion. | 10-30-2014 |
| 20140318125 | APPARATUS FOR GENERATING SUPERHEATED VAPOR USING WASTE HEAT RECOVERY - An apparatus for generating superheated vapor using waste heat recovery. The apparatus includes a housing having inlet and outlet tanks at both ends through which exhaust gas is introduced and discharged. A plurality of exhaust gas tubes are disposed inside the housing so as to be spaced apart from each other at predetermined distances in a top-bottom direction. A plurality of working fluid tubes alternate with the plurality of wave fin structures. Inlet and outlet pipes through which working fluid is introduced and discharged are disposed on a side surface of the housing. The inlet pipe and the outlet pipe are connected to the plurality of working fluid tubes so as to communicate each of the plurality of working fluid tubes. An upper surface and a lower surface of each of the plurality of working fluid tubes directly adjoin to the adjacent exhaust gas tubes. | 10-30-2014 |
| 20140345275 | RANKINE CYCLE SYSTEM AND METHOD - A Rankine cycle waste heat recovery system uses a receiver with a maximum liquid working fluid level lower than the minimum liquid working fluid level of a sub-cooler of the waste heat recovery system. The receiver may have a position that is physically lower than the sub-cooler's position. A valve controls transfer of fluid between several of the components in the waste heat recovery system, especially from the receiver to the sub-cooler. The system may also have an associated control module. | 11-27-2014 |
| 20140352301 | MOTOR VEHICLE WITH A COUPLABLE WASTE HEAT RECOVERY SYSTEM - A waste heat recovery system for a motor vehicle is disclosed. Waste heat generated by an internal combustion engine of a motor vehicle is recovered by a waste heat recovery system. The waste heat recovery system includes a feed heat exchanger thermally coupled to the internal combustion engine for warming up a working fluid, and a driven machine which is driven by the heated working fluid. A clutch arrangement optional couples the driven machine to a drive train or the auxiliary unit of the motor vehicle. | 12-04-2014 |
| 20140352302 | APPARATUS FOR GENERATING SUPERHEATED VAPOR USING WAVE FIN - An apparatus for generating superheated vapor using waste heat recovery. A housing has an inlet tank and an outlet tank at both ends. Exhaust gas is introduced through the inlet tank, and is discharged through the outlet tank. A plurality of wave fin structures are disposed inside the housing so as to be spaced apart from each other at predetermined distances in a top-bottom direction, and include a plurality of peaks and a plurality of valleys which are connected in a transverse direction so as to form wave-like structures in a direction in which the exhaust gas flows. A plurality of working fluid tubes alternate with the plurality of wave fin structures. An inlet pipe through which working fluid is introduced and an outlet pipe through which the working fluid is discharged are disposed on a side surface of the housing. | 12-04-2014 |
| 20140373534 | ENERGY RECOVERY SYSTEM FOR MACHINE WITH CYLINDER ACTIVATION AND DEACTIVATION SYSTEM - An energy recovery system for a machine with a cylinder activation and deactivation system is disclosed. The energy recovery system can include a first cylinder group circuit including a first pump, a first condenser, a first turbine, and a first flow path. The first flow path can be connected in fluid communication with the first pump, the first condenser, and the first turbine. The energy recovery system can additionally include a second cylinder group circuit including a second pump, a second condenser, a second turbine, and a second flow path. The second flow path can be connected in fluid communication with the second pump, the second condenser, and the second turbine. The first flow path can be in thermal communication with a first group of cylinders of the machine, and the second flow path can be in thermal communication with a second group of cylinders of the machine. The machine can include a cylinder activation and deactivation system configured to deactivate at least one of the first group of cylinders and the second group of cylinders. | 12-25-2014 |
| 20150013335 | HEAT EXCHANGE DEVICE AND DRIVE UNIT FOR A MOTOR VEHICLE - A heat exchange device having a first media channel for a first medium and a second media channel for a second medium is further refined in that, in at least one section of the heat exchange device, a third media channel for a transfer medium is arranged between the first media channel and the second media channel, so that the heat transfer from the first medium to the second medium takes place via the transfer medium. | 01-15-2015 |
| 20150052893 | HEAT EXCHANGER - A heat exchanger may include a gas conduit flowable through by a predetermined gas and a heat conduit flowable through by a predetermined fluid compound working fluid. The heat conduit may be in thermal communication with the gas conduit. The heat exchanger may include a first section having a first section length, a second section having a second section length, and a third section having a third section length. The gas conduit may span, in a direction of flow of the gas, the first section, the second section, and the third section. The heat conduit may span, in a direction of flow of the working fluid, the third section, the first section, and the second section. The first section may include a gas inlet and the third section may include a working fluid inlet and a gas outlet. The section may include a working fluid outlet. | 02-26-2015 |
| 20150075163 | Waste-Heat Utilisation Device for a Motor Vehicle - A waste heat utilization device for a motor vehicle includes a waste heat utilization circuit in which a working medium circulates. The water heat utilization circuit includes a conveying device, an evaporator, an expansion machine, and a condenser. The waste heat utilization device also includes an electrical generator in direct or indirect drive connection with a power take-off shaft of an internal combustion engine. The expansion machine is in direct drive connection with the power take-off shaft of the internal combustion engine for purposes of energy recirculation. | 03-19-2015 |
| 20150135708 | DEVICE AND METHOD FOR RECOVERING WASTE HEAT ENERGY AND A UTILITY VEHICLE - A device for recovering the waste heat energy having a Clausius-Rankine circuit with a line system conveying a working medium via which at least one vaporizer for vaporizing the working medium, an expansion device for expanding the vaporized working medium to produce mechanical work, a condenser for fluidizing the vaporized and expanded working medium as well as a delivery pump for condensing and conveying the working medium through the line system are fluidically connected to one another. A compensation tank supplies additional working medium volume and is connected to a fluid line and can be fluidically separated from the line system via a valve that is controllable via a control device connected to a sensor for detecting working medium temperature and/or pressure, such that a working medium volume is transferred from the compensation tank into the line system or from the line system into the compensation tank. | 05-21-2015 |
| 20150300291 | CONTAINER UNIT-TYPE ENGINE GENERATOR DEVICE HAVING PIPE COUPLING FUNCTION - The container unit type cogeneration-using engine generator device is composed of a combination of a long generator container | 10-22-2015 |
| 20150322841 | Exhaust Line Comprising a Heat Exchanger, Corresponding Manufacturing Process and ... - An exhaust line includes a spiral heat exchanger having a first passage for a first fluid and a second passage for a second fluid. The second passage is arranged in a manner such that the second fluid circulates from an inlet firstly in at least one first circumferential segment disposed in a proximity of a first axial end and then into a plurality of second circumferential segments shifted towards a second axial end relative to the first circumferential segment. The second fluid advances axially in a counter current flow against the first fluid towards the first axial end while passing from one second circumferential segment to the next. | 11-12-2015 |
| 20150330262 | THERMAL ENERGY RECOVERY DEVICE - A thermal energy recovery device of the present invention includes a heater that evaporates a working medium by a heat medium, an expander into which the working medium flowing out from the heater flows, a power generator that recovers expansion energy of the working medium expanded in the expander, a condenser of a condensing unit that condenses the working medium flowing out from the expander, and a pump that feeds the working medium condensed in the condenser to the heater. A connection portion between the condenser and the pump has a connection end portion connected to an inflow port of the pump, a bent portion bent upward from the connection end portion, and a standing portion extending upward from the bent portion so that the working medium in a gas phase is suppressed from coming into the pump even in an environment where vibration is generated. | 11-19-2015 |
| 20160076403 | Exhaust Heat Recovery Device - To effectively reduce a situation in which an over-rotation of an expander occurs or the expander becomes a load on an engine at the time of a stop of a Rankine cycle in an exhaust heat recovery device provided with the Rankine cycle that recovers exhaust heat of an engine. A pressure difference ΔP between a high-pressure side and a low-pressure side of the Rankine cycle is obtained when the Rankine cycle is stopped (S | 03-17-2016 |
| 20160090873 | SYSTEM FOR EVAPORATING LIQUEFIED NATURAL GAS (LNG) - A system for evaporating liquefied natural gas (LNG) in a vehicle having an engine which is powered by natural gas, the system including an evaporator for the LNG, and the system including a heat engine for recovering the thermal energy from the exhaust gas of the vehicle, the heat engine including a condenser for condensing a coolant, this condenser being in operative connection with the evaporator for the LNG for the purpose of exchanging heat. | 03-31-2016 |
| 20160097305 | OXIDATION CATALYST FOR WASTE HEAT RECOVERY PERFORMANCE IMPROVEMENT - An exhaust system for an engine include a first exhaust system portion that receives exhaust from one or more combustion chambers of the engine. The exhaust system also includes an oxidation catalyst having an inlet and an outlet. The inlet of the oxidation catalyst is in fluid communication with the first exhaust system portion and receives exhaust from the one or more combustion chambers of the engine. The exhaust system also includes a second exhaust system portion that receives exhaust gases downstream from the outlet of the oxidation catalyst. A waste heat recovery system is in thermal communication with the second exhaust system portion that receives exhaust gases from the outlet of the oxidation catalyst. In some instances, the exhaust system may omit other aftertreatment components. | 04-07-2016 |
| 20160138430 | EXHAUST HEAT RECOVERY SYSTEM - An exhaust heat recovery system may a condenser having a working fluid introduced thereinto and recovering heat of the introduced working fluid, the introduced working fluid receiving heat of exhaust gas through a heat exchanger provided in an exhaust pipe, and a reservoir receiving the working fluid from the condenser, wherein the condenser and the reservoir are provided with a coolant channel through which a coolant for cooling the working fluid flows. | 05-19-2016 |
| 20160153317 | SYSTEM FOR USING THE WASTE HEAT OF AN INTERNAL COMBUSTION ENGINE | 06-02-2016 |
| 20160201519 | HEAT EXCHANGER FOR A RANKINE CYCLE IN A VEHICLE | 07-14-2016 |
| 20160251984 | SUPPLEMENTAL HEATING IN WASTE HEAT RECOVERY | 09-01-2016 |
| 20160376934 | WASTE HEAT RECOVERY APPARATUS - A waste heat recovery apparatus includes a heat exchanger, an expander, a condenser, a first tank, a reflux portion, a first passage portion, and a second passage portion. The heat exchanger is configured to generate steam. The expander is configured to recover heat energy of the generated steam as power. The condenser is configured to condense the steam passing through the expander. An inlet portion of the condenser is arranged above an outlet portion of the expander. The first tank is configured to store the working fluid liquefied by the condenser. The reflux portion is configured to reflux the liquid-state working fluid in the first tank to the heat exchanger. The first passage portion connects the outlet portion of the expander and the inlet portion of the condenser to each other. The second passage portion connects the first passage portion and the first tank to each other. | 12-29-2016 |
