Abstract: Method and arrangement for a turbocompound type internal combustion engine including an exhaust system for ducting the engine's exhaust gases. A supercharger turbine drives a compressor for the engine's combustion air, and an exhaust turbine is placed in the exhaust system downstream of the supercharger turbine for extracting residual energy from the exhaust flow via transmission to the combustion engine's crankshaft. The exhaust system also has an exhaust braking throttle placed downstream of the exhaust turbine. The exhaust braking throttle includes a pressure-controlled exhaust pressure regulator that makes possible variable regulation of an exhaust braking pressure in at least two steps.

Abstract: Device (1) for the recovery of thermal energy from a first gas flow (11) from an internal combustion engine (10), the device being designed for the transfer of thermal energy from the first gas flow (11) to a second gas flow (12). The device includes a body (2) having a zigzag-shaped structure, which forms ducts for said gas flows, and the body (2) is designed for the transfer of heat between the first gas flow (11) and the second gas flow (12).

Abstract: Systems and methods are provided wherein a consumable item parameter is exchanged between a consumable item and a consuming device. According to one embodiment, a consumable item parameter request is transmitted to a device associated with a consumable item, and the consumable item parameter is then received. The device may comprise, for example, the consumable item or a device associated with dispensing the consumable item. The device may also comprise, for example, a device associated with a consumption of the consumable item, a device adapted to control a consumption of the consumable item, or a device that consumes the consumable item.

Abstract: In order to effectively extract the waste heat from a reciprocating engine, the normal heat exchanger components of an engine are replaced with one or more heat exchangers which have the motive fluid of an organic rankine cycle system flowing therethrough. With the heat transfer in the plurality of heat exchangers, the engine is maintained at a reasonable cool temperature and the extracted heat is supplied to an ORC turbine to generate power. The heat is derived from a plurality of sources within the reciprocating engine, and at least two of those sources have their fluids passing through the same heat exchanger. In one embodiment, the engine coolant and the engine lubricant pass through the heat exchanger in the same direction, and the ORC motive fluid passes therethrough in a counterflow relationship.

Abstract: A circulating path 12 is provided for circulating a heat transfer medium across the cooling section 6A and an exhaust heat exchanger 9. The circulating path 12 is communicated to an output heat exchanger which is mounted on a hot water storage. The heat transfer medium is circulated by a pump 10 from the exhaust heat exchanger 9 to the oil heat exchanger 5 and the cooling section 6A. The heat transfer medium to be introduced into the exhaust heat exchanger 9 is so controlled in the flow rate that a temperature of the water vapor in the exhaust gas is declined to a temperature lower than the dew point. The heat transfer medium when having received heat directly from the exhaust gas and heat generated by condensation of the exhaust heat is conveyed to the cooling section 6A where its temperature soars up further.

Abstract: A Rankine cycle system includes a first Rankine cycle (2A) operated by a first working medium and a second Rankine cycle (2B) operated by a second working medium. The first Rankine cycle (2A) is constituted from an evaporator (3A), an expander (4), a condenser (5A) and a supply pump (6A), and the second Rankine cycle (2B) is constituted from an evaporator (3B), the expander (4), a condenser (5B) and a supply pump (6c). The evaporator (3A) in the first Rankine cycle (2A) and the evaporator (3B) in the second Rankine cycle (2B) are disposed at locations upstream and downstream of an exhaust emission control device (8) mounted in an exhaust passage (7) for the internal combustion engine (1). The first working medium has a boiling point higher than that of the second working medium, and the capacity of the pump (6A) in at least the first Rankine cycle (2A) is variable.

Abstract: The invention relates to a drive unit, comprising an internal combustion engine with a crankshaft; an exhaust line; an exhaust gas turbine which is acted on by the exhaust gas line, which is arranged downstream of the internal combustion engine and has the purpose of transmitting a positive torque to the crankshaft in the traction mode; a hydrodynamic unit which is arranged downstream of the exhaust gas turbine and has two turbine blades which form a torus-shaped working chamber; the hydrodynamic unit has a drive connection to the drive train; and a parking brake is provided for securing the primary turbine wheel of the exhaust gas turbine.

Abstract: A carburetion system, without complicated control systems, functions uniformly throughout the range of engine load and incremental increases of power demand to provide efficient stable engine performance for a natural gas fired, internal combustion engine using EGR. A cogeneration system for supplying distributed generation of electricity and process/utility heat, employs a system for engine cooling and effective heat transfer to a cogeneration client, reduces engine head temperature, thereby reducing fuel consumption and reducing pollutants, as well as delivering substantially increased heat to a cogeneration process/utility heat facility by use of a carburetion system which employs at least a pair of spaced apart venturi positioned in series proximate one to another such that a first exhaust recycled gas venturi is upstream of a fuel venturi where fuel and air/exhaust gas are admixed prior to the resultant gas being introduced into a turbocharger.

Abstract: A vehicle includes an internal combustion engine, a catalyst operatively associated with the internal combustion engine for processing exhaust gases of the internal combustion engine, and a fuel cell thermally coupled with the catalyst in such a manner that heat in waste gases of the fuel cell is supplied at least partially to the catalyst to heat the catalyst.

Abstract: In a vehicle designed so that a driven wheel is driven by uniting an output from an engine and an output from a Rankine cycle system to each other, an accelerator pedal and a throttle valve are connected electrically to each other by a DBW control unit. When an accelerator opening degree (?ap) commanded by a driver is increased, a throttle opening degree (?th) is increased by a correcting amount (??th) more than a value proportional to the accelerator opening degree (?ap), thereby compensating for an output shortage due to a response delay of the output from the Rankine cycle system. When the accelerator opening degree (?ap) commanded by the driver is decreased, the throttle opening degree (?th) is decreased by the correcting amount (??th) more than the value proportional to the accelerator opening degree (?ap), thereby compensating for an output excessiveness due to the response delay of the output from the Rankine cycle system.

Abstract: The present invention relates to a compact power generation apparatus for the generation of energy for powering various appliances, such as domestic appliances, comprising a housing accommodating an air cooled or a liquid cooled internal combustion engine, generator driven by the engine for the generation of electrical power, an exhaust system, an inlet communicating with an outlet and flow generating means for circulating a cooling air flow through and around the generator, the engine and the exhaust, wherein heat exchanging means are provided for extracting heat from the exhaust system and from the circulating air flow and passing said extracted heat on to a utility medium, such as air or water for utility purposes. Moreover, the invention relates to a method of generating energy, a method of automated power management of a compact power generation apparatus, and a power management system for carrying out this method.

Abstract: A power generator provides power with minimal CO2, NOx, CO, CH4, and particulate emissions and substantially greater efficiency as compared to traditional power generation techniques. Specifically nitrogen is removed from the combustion cycle, either being replaced by a noble gas as a working gas in a combustion engine. The noble gas is supplemented with oxygen and fuel, to provide a combustion environment substantially free of nitrogen or alternatively working in 100% oxygen-fuel combustion environments. Upon combustion, Very little to no nitrogen is present, and thus there is little production of NOx compounds. Additionally, the exhaust constituents are used in the production of power through work exerted upon expansion of the exhaust products, and the exhaust products are separated into their constituents of noble gas, water and carbon dioxide.

Abstract: A waste heat recovering device for a multi-cylinder internal combustion engine, wherein among a plurality of exhaust pipes extending from cylinders of a multi-cylinder internal combustion engine, a plurality of exhaust pipes unlikely to cause exhaust interference are collected to form one or more collecting pipes. A heat exchanger for recovering heat of exhaust gas is provided in the one or more collecting pipes. Therefore, a waste heat recovering device can be provided, in which the number of heat exchangers is reduced compared to the number of cylinders of the multi-cylinder internal combustion engine to reduce rest periods of the heat exchanger and reduce spaces occupied by the heat exchanger.

Abstract: Turbine casing for a turbocharged internal combustion engine for marine applications with an exhaust manifold that is single-piece formed with the turbine casing, and a cooling facility surrounding both the turbine casing as well as the exhaust manifold. The cooling facility is a hollow space, formed by the double wall that can be filled with coolant, whereby the coolant preferably is ocean/lake water. A separate cooling circuit from the cooling facility of the combined turbine casing and exhaust manifold is provided for the cooling of a bearing housing, which is used to support a turbine bearing.

Abstract: Methods for controlling intake air flow to an internal combustion engine having an output shaft driven by the internal combustion engine, an intake air pipe, an exhaust gas pipe, a compressor located in the intake air pipe, a turbine located in the exhaust gas pipe, a transmission system connecting turbine, compressor, and output shaft for energy transfer between the turbine and compressor, between the turbine and output shaft, and between the output shaft and compressor. The transmission system includes a variable transmission between the output shaft and compressor and a control means for controlling the gear ratio in the variable transmission.

Abstract: A turbocompound internal combustion engine having a turbocharger with a variable-geometry turbine; and an auxiliary turbine, which is located downstream from the turbine of the turbocharger, provides for recovering energy from the exhaust gas, and is connected mechanically to the drive shaft of the engine via a transmission; a control device compares the rotation speed of the auxiliary turbine, detected by means of a sensor, with a range of permissible speeds calculated on the basis of the speed of the drive shaft, and controls fuel supply to the engine and the geometry of the variable-geometry turbine to maintain the speed of the auxiliary turbine within predetermined limits in the event of a fault on the transmission.

Abstract: The present invention relates to a compact power generation apparatus for the generation of energy for powering various appliances, such as domestic appliances, comprising a housing accommodating an air cooled internal combustion engine, generator driven by the engine for the generation of electrical power, an exhaust system, an inlet communicating with an outlet and flow generating means for circulating a cooling air flow through and around the generator, the engine and the exhaust, wherein heat exchanging means are provided for extracting heat from the exhaust system and from the circulating air flow and passing said extracted heat on to a utility medium, such as air or water for utility purposes. Moreover, the invention relates to a method of generating energy, a method of automated power management of a compact power generation apparatus, and a power management system for carrying out this method.

Abstract: A turbocharger for an internal combustion engine, is provided with a turbine including a rotatable turbine shaft, a turbine wheel carried by the turbine shaft, and a drive gear carried by the turbine shaft. A first compressor includes a rotatable first compressor shaft, a first compressor wheel carried by the first compressor shaft, and a first driven gear carried by the first compressor shaft. The first driven gear is operatively engaged with and driven by the drive gear. The turbocharger has a compact arrangement, and allows for optimization of compressor wheel operating speeds, including in a turbocharger having multiple compression stages.

Abstract: An improved power system that recovers heat energy from the exhaust of internal combustion utilizing an internal combustion engine in combination with a Brayton bottoming system. Heat from a thermal battery drives the bottoming system to create electrical power that supplements the engine power. Sources of heat for the thermal battery include hot engine exhaust gasses, electrically generated heat, and residual heat from motor/generators.

Abstract: An electrical preheater for a turbine inlet of a turbocharger for an internal combustion engine. An electric motor/generator is drivingly coupled to the turbocharger, and electrically connected to a storage device. The electrical preheater is powered by the storage device to heat a stream of exhaust gases entering the turbocharger turbine from the engine exhaust manifold. The preheater provides an additional control of the turbocharger performance.

Abstract: An engine operated machine system includes an engine, a working machine driven by the engine, and a waste-heat recovery unit for recovering the waste heat of the engine, each being accommodated in a box-shaped case. The case is provided with a partition wall which partitions the inside of the case into working-machine accommodating and electrical-equipment accommodating chambers, and which has a draft bore connecting the working-machine accommodating chamber to the electrical-equipment accommodating chamber.

Abstract: A motor vehicle has a drive combustion engine and a power supply system for supplying electric consuming devices on-board the motor vehicle. The power supply system includes a fuel cell system and a battery coupled to the fuel cell system. The energy and/or material currents of the drive combustion engine and the fuel cell system are coupled together.

Abstract: Methods for controlling intake air flow to an internal combustion engine having an output shaft driven by the internal combustion engine, an intake air pipe, an exhaust gas pipe, a compressor located in the intake air pipe, a turbine located in the exhaust gas pipe, a transmission system connecting turbine, compressor, and output shaft for energy transfer between the turbine and compressor, between the turbine and output shaft, and between the output shaft and compressor. The transmission system includes a variable transmission between the output shaft and compressor and a control means for controlling the gear ratio in the variable transmission.

Abstract: Method and arrangement for regulating the rotational speed of a crankshaft included in an internal combustion engine during a gear changing process of a gearbox connected to the internal combustion engine. The arrangement includes a compressor mounted in connection with the air inlet of the internal combustion engine. A transmission having a variable gear ratio is located between the crankshaft and a driving shaft arranged in connection with the compressor, and a control means is arranged to control the gear ratio between the crankshaft and the compressor. When changing from a higher to lower gear, the control means is arranged to control the gear ratio between crankshaft and compressor so that the gear ratio between these components is reduced, and wherein moment of inertia is transferred from compressor to crankshaft resulting in an acceleration of the crankshaft.

Abstract: An exhaust energy recovery system for a combustion engine having an exhaust passage has a displacement expansion device and a generator. The expansion device is located in the exhaust passage. Exhaust gas is introduced into the expansion device. The expansion device has an expansion chamber the volume of which varies in accordance with the pressure of exhaust gas and generates power in accordance with the volume variation of the expansion chamber. The generator generates electricity in accordance with the power generated by the expansion device. This efficiently recovers exhaust gas and effectively uses the recovered exhaust gas.

Abstract: In an internal combustion engine including an exhaust gas turbocharger and a compound power turbine connected to the crankshaft of the engine and an exhaust gas recirculation system extending between the engine exhaust duct upstream of the exhaust gas turbine and the intake duct downstream of the compressor of the exhaust gas turbocharger, the exhaust gas turbine and the compound power turbine have a size relationship determined by the power absorption capability &phgr; of each turbine such that: φ = m . ⁢ T p wherein: {dot over (m)} is the exhaust gas mass flow rate through the turbine, T is the exhaust gas temperature at the turbine inlet, and p is the exhaust gas pressure at the turbine outlet and the maximal compound power turbine absorption capability exceeds the maximal absorption capability of the exhaust gas turbine.

Abstract: A control system for a variable-geometry turbocharger connected to an internal combustion engine, whereby the geometry of the turbocharger is controlled alternatively according to a first operating mode, a second operating mode or a third operating mode; the system providing for switching from one operating mode to another fully automatically.

Abstract: The intake air amount of an engine (1) is controlled by a variable nozzle (53) of a turbocharger (50). A controller (41) calculates an open loop control value of a drive signal of the variable nozzle (53) based on a running state of the engine (1), and calculates a feedback correction amount comprising an integral correction value of the drive signal such that the intake air amount coincides with a target intake fresh air amount (S367). It also calculates a learning value based on the integral correction value when the intake air amount coincides with the target intake air amount (S395, S400), and modifies the feedback correction amount such that the sum of the learning value and feedback correction amount is constant (S366). In this way, the response of intake air amount control or supercharging pressure control is enhanced.

Abstract: A four stroke cycle internal combustion engine including a crankshaft, rotating about a crankshaft axis of the engine. A power piston is slidably received within a first cylinder and operatively connected to the crankshaft such that the power piston reciprocates through a power stroke and an exhaust stroke of a four stroke cycle during a single rotation of the crankshaft. A compression piston is slidably received within a second cylinder and operatively connected to the crankshaft such that the compression piston reciprocates through an intake stroke and a compression stroke of the same four stroke cycle during the same rotation of the crankshaft. A gas passage interconnects the first and second cylinders. The gas passage includes an inlet valve and an outlet valve defining a pressure chamber therebetween.

Abstract: An improved system for controlling emissions of VOC's by combustion of the VOC's in an internal combustion engine, comprising: a chiller through which the VOC's pass for condensing some of the VOC's into useable liquid products, the remaining VOC's being directed through piping to the engine as the primary fuel therefor; and a refrigeration unit connected to the engine and powered thereby, the refrigeration unit being connected by other piping to the chiller providing refrigerant thereto for the condensing of some of the VOC's passing therethrough.

Abstract: An electrical generation system that fully integrates heat utilization during the process. The system has two inputs: intake air and diesel fuel. Its outputs are some exhaust gas (carbon dioxide and nitrogen compounds), electricity, and extracted sulfur compounds. There are four interconnected systems: the turbine-diesel-generator system, the refrigerant gas system, the ammonia system and the water handling system. The refrigerant system uses R 22 (Freon) gas. Using heat extracted from the diesel engine and other components of the system, this gas is heated and is used to drive a turbine. The ammonia system is primarily used to condense the R 22. The water system is primarily used to cool the exhaust gasses from the diesel engine. As discussed below, the systems overlap so that, for example, one system is cooled while pre-heating another.

Abstract: A thermal energy retrieval system in which waste heat generated by an internal combustion engine is used to evaporate an organic working fluid in an evaporator. The evaporated working fluid is passed through a turbine to generate power which could be used to supplement the work done by the internal combustion engine. A unitary control valve is disposed between a feed pump and the evaporator to automatically regulate the flow of working fluid to the evaporator in accordance with the sensed temperature of the working fluid at its exit from the evaporator. This ensures the optimization of the thermodynamic efficiency of the system, which in turn leads to the provision of a more compact system useful with a road engine as an add-on.

Abstract: A thermal energy retrieval system in which waste heat generated by an internal combustion engine is used to evaporate an organic working fluid in an evaporator. The evaporated working fluid is passed through a turbine to generate mechanical or electrical power which could be used to supplement the work done by the internal combustion engine. A unitary control valve is disposed between a feed pump and the evaporator to automatically regulate the flow of working fluid to the evaporator in accordance with the sensed temperature of the working fluid at its exit from the evaporator. This ensures the optimization of the thermodynamic efficiency of the system, which in turn leads to the provision of a more compact system useful as an add-on to motive mounted engines.

Abstract: An engine cooling unit and an exhaust gas heat exchanger 9 for use with the exhaust gas from an engine are connected with a circulation path 12 for circulating a heat transfer medium. The output of the circulation path 12 is connected via a conduit 18 to an output heat exchanger installed in e.g. a hot water storage tank 17. The exhaust gas heat exchanger 9 is disposed across the circulation path 12 at the upstream side of the engine cooling unit of the engine 2. The heat transfer medium introduced into the exhaust gas heat exchanger 9 is set to a lower temperature enough to maintain the temperature of vapor in the exhaust gas of which heat is transferred to the heat transfer medium lower than the dew point. The heat transfer medium after drawing generic heat from the exhaust gas and receiving its condensation heat in the exhaust gas heat exchanger 9 is passed to the engine cooling unit 6A where it draws more heat. Accordingly, the heat generated by the engine 2 can be recovered at a higher efficiency.

Abstract: An exhaust gas released from the exhaust gas heat exchanger 9 is conveyed into the inlet of a bend 32 communicated to a silencer 31. The exhaust gas mixed with the condensed water is upwardly passed as a mixture fluid through a passage 322 and forced into a first expansion chamber 323. The mixture fluid is separated into the exhaust gas and the condensed water in the chamber 323 and conveyed downwardly in a passage 324 provided with a second expansion chamber 325. While the exhaust gas is forced upwardly from the lower end of the silencer 31, the condensed water is discharged downwardly. The condensed water is conveyed in the drain passage of a waster water trap and released to the outside.

Abstract: A system for preparing gas mixtures for combustion, reducing emissions during combustion and treating and purifying resultant exhaust gas mixtures includes an exhaust gas scrubbing and condensing heat exchanger which cleans, cools and dries an exhaust gas mixture, a source of clean water which supplies clean water for heating and humidifying, a steam producer for converting clean water to steam, a steam boiler for increasing the energy of the steam and the energy of a fluid compound gas. An exhaust gas turbine, a steam turbine, and a fluid compound gas turbine all mounted on a common shaft are operative to convert energy in the exhaust gas mixture, the steam, and the fluid compound gas to mechanical energy on the common shaft. The system is particularly suited for use with an internal combustion engine.

Abstract: In a gasification furnace, a combustible gas is generated from an organic substance for gasification containing biomass of organic wastes or the like. An engine of a cogeneration is operated using this combustible gas to generate electricity by an electric generator driven by the engine, and hot water is generated by heating water in a radiator. The hot water is heated by a superheated steam generator of a heat storage type utilizing the electric power from the electric generator to generate superheated steam. Furthermore, a dry-distilled gas and a carbide are generated by dry-distilling and carbonizing an organic substance for carbonization containing biomass of organic wastes or the like with this superheated steam in the carbonization furnace. Thus, the resources are recovered from the organic substances containing biomass of organic wastes or the like by gasifying or carbonizing the organic substances with the superheated steam.

Abstract: An exhaust passage (2) of a diesel engine (1) is connected to an intake passage (3) via an exhaust gas recirculation passage (4) provided with an exhaust gas recirculation valve (6). A turbine (52) of a variable capacity turbocharger (50) is provided in the exhaust passage (2). The controller (41) controls the opening of the exhaust gas recirculation valve (6), and the opening of a nozzle (53) of the turbine (52). A controller (41) first calculates a target exhaust gas recirculation valve opening surface area based on a target exhaust gas recirculation flowrate, and controls the exhaust gas recirculation valve opening to the target exhaust gas recirculation valve opening surface area.

Abstract: This invention pertains to a combustion engine having a combustion chamber (1, 201), which has an ignition device, for the combustion of a fuel with formation of a combustion gas during an explosion stroke, and also having a rigid wall that is displaceable by the expanding combustion gas. The movement of the rigid wall can be transmitted to a drive shaft (9, 267). The combustion chamber (1, 201) has a constant volume, and a pumping chamber (12, 212) separate from the combustion chamber (1, 201) and connected to the combustion chamber (1, 201) is provided for the conversion of the energy of the combustion gas into mechanical energy, which pumping chamber has the displaceable rigid wall. The pumping chamber (12, 212) is preferably formed by a cylinder in which a piston (11, 211) is displaceably housed, which piston forms the displaceable rigid wall.

Abstract: An exhaust manifold cooling assembly for an internal combustion engine having a turbocharger, an exhaust a manifold, heat exchanger, and an outer shell. Exhaust gas from the engine passes through the exhaust manifold, the turbocharger, and the heat exchanger. The cooled exhaust gases pass through a cooling passageway disposed about, generally surrounding and spaced from the exhaust manifold. Heat is further absorbed by the cooling exhaust gasses.

Abstract: An engine comprises a rotary unit (1) and a reciprocating unit (3) coupled to a common drive (7). A first rotary unit (1) provides the induction phase of the 4-stroke cycle and passes air to the reciprocating unit for the compression and combustion phases. The exhaust gases are passed to a second rotary unit (5) having an afterburner for the exhaust phase. Alternatively, two rotary units and two reciprocating units each having two pistons may be arranged alternately. The invention may also be utilized for improved 2-stroke engines making one power pulse per stroke.

Abstract: An engine is provided which, in at least one cylinder or combustion area, is provided with a hydrocarbon rich fuel which produces upon combustion an exhaust gas containing unburned hydrocarbons, water vapor and carbon monoxide. The exhaust gas is treated in a catalytic converter and the reaction process that occurs therein produces hydrogen and carbon dioxide which is mixed with air to form a hydrocarbon lean, hydrogen enriched mixture. The mixture is subsequently ignited in other cylinders or combustion areas of the engine to produce power.

Abstract: An internal combustion engine according to the present invention is comprised of a conduit means that directs the flow of exhaust from an internal combustion engine to a relatively low speed turbine connected to a generator. The conduit means also acts as a mixing means for mixing appreciable quantities of outside air with the exhaust for recombustion prior to entry into the turbine. The turbine is designed to utilize the energy of the recombusted gases through impact and redirection of the gases upon the turbine blades. This invention comprises a dual function conduit means connecting internal combustion engine exhaust to a relatively low speed turbine wherein the conduit means also induces an appreciable flow of outside air to mix with the exhaust gases to effectively lower the temperature of the gases imposed on the turbine but without lowering the total energy of the gases.

Abstract: An apparatus for driving a turbo supercharger (6) of an internal combustion engine (1) including an exhaust gas driven turbine (61) driving a compressor (62) for pressurizing engine intake air wherein a gas suction duct (10) is connected to the outlet (8) of the exhaust gas turbine (61), through which the exhaust gas flowing through the turbine is discharged, thereby sucking the exhaust gas discharged from the turbine and driving the turbine by simultaneous positive and negative pressures. The suction force is produced by a negative pressure generator (5) provided in the exhaust gas conduit (2) downstream of the exhaust gas turbine outlet.

Abstract: A Wankel rotary engine is modified to operate on natural gas, with the exhaust from the engine being fed into a combustion chamber where an ignition device ignites the hydrocarbons in the engine exhaust, with the engine timing, and the air and fuel mixture of the engine being controlled to produce a sufficient amount of hydrocarbons in the engine exhaust to enable ignition and combustion of the engine exhaust in the combustion chamber without the addition of fuel to air. The exhaust from the combustion chamber drives a power turbine. In further embodiments, the engine may be turbocharged, and heat exchangers use the excess heat from the engine coolant, lubricant, and exhaust gases to heat a usable liquid, such as water, thus providing a cogeneration system.

Abstract: An electric generator system drivable by the energy of exhaust gases emitted from an internal combustion engine includes two turbines drivable by the energy of exhaust gases from the internal combustion engine, the turbines having different capacities, and an electric generator mounted on a turbine shaft interconnecting the turbine impellers of the turbines. When the energy of exhaust gases emitted from the engine is larger, the turbine of the larger capacity is driven. When the exhaust energy is smaller, the turbine of the smaller capacity is driven.

Abstract: An exhaust-driven cooling system for an internal combustion engine includes a turbocooler having an exhaust-driven turbine and ducted fan means to generate a flow of cooling air for use in an internal combustion engine heat exchanger to dissipate heat losses of the engine and a control for the generation of cooling air. The system can provide internal combustion engines with substantially reduced temperatures and pressures for its exhaust gas, thrust usable as a motive force and exhaust system components and substantially improved reliability and efficiency.

Abstract: A turbo compound engine is provided with a rotor which is connected to the engine's output shaft so as to deliver working medium, such as intake air or exhaust gas or a mixture of the two, and a bypass line that bypasses the rotor, so that it not only utilizes the compression work and delivery work the rotor performs for a part of the braking force in the event of engine braking, but also attains a rapid and smooth increase in engine power output by allowing the working medium to bypass the rotor for a while when the engine operation mode is shifted from rotor-assisted engine brake mode to rotor-assisted engine drive mode for acceleration.

Abstract: A turbo compound engine which comprises an engine having an intake air passage, an exhaust gas passage and a crankshaft, a power turbine disposed in the exhaust gas passage so as to be rotatable in normal and reverse senses, a reversing mechanism for connecting the power turbine with the crankshaft, an exhaust bypass line connected to the exhaust gas line so as to bypass the power turbine, first and second shut-off valves respectively disposed in the exhaust gas line upstream of the junctions of the exhaust bypass line and the exhaust gas passage, so that they may be closed upon reversed switching of the reversing mechanism an intake air bypass line connected to the intake air passage at one end thereof and to the exhaust gas passage downstream of the power turbine and upstream of one of the junctions with the exhaust bypass line at the other end, a third shut-off valve disposed in the intake air bypass line so as to be opened as the rotation of the power turbine is reversed and reaches a predetermined value.

Abstract: A turbocharger turbine housing particulate debris trap for collecting all unwanted exhaust gas entrained particles before engagement with the turbine wheel. The trap can be located anywhere in the exhaust system upstream of the turbine wheel and is designed to take advantage of both inertial and gravitational forces. Systems for purging the trap of collected debris is also disclosed.