Abstract: A method of operating a stationary internal combustion machine (1), in particular a gas engine, comprising a compressor device (2) which compresses gas (5, 6) fed to the internal combustion machine (1), and a throttle device (7) which is connected downstream of the compressor device (2) and with which the amount of compressed gas (5, 6) fed to the internal combustion machine is variable, wherein the compressor device (2) is operated by way of an exhaust gas turbine (3) of variable turbine geometry, wherein the internal combustion machine (1) is regulated to a substantially constant engine regulating value by way of the actuation of at least two adjusting members, wherein upon a deviation in the engine regulating value from a reference value the amount of gas fed to the internal combustion machine (1) is altered by the actuation of the throttle device (7) as the first adjusting member and by the variation in the geometry of the exhaust gas turbine (3) as the second adjusting member so that the engine regulatin

Abstract: A multi-cylinder internal combustion engine including a plurality of banks and a turbocharger is oriented laterally within an engine compartment, wherein exhaust gas passages are connected to exhaust manifolds of each bank, a turbine of the turbocharger is installed in the exhaust gap passage of the bank positioned closest to the front side of the vehicle, and the turbocharger is disposed at a front position within the engine compartment.

Abstract: The present invention relates to a power generating system, a motorised device comprising such a power generation system as well as a method of lowering the fuel consumption of a combustion engine (12). The power generation system comprises a combustion engine (12), an electrical power supply unit (18, 26) that is at least partly driven by exhaust fumes generated by said combustion engine and a reversely operated fuel cell (30) connected to the electrical power supply unit and the combustion engine. The reversely operated fuel cell is provided with electrical power by the electrical power supply unit and is arranged to emit hydrogen to the combustion engine for use in the operation thereof. In this way fuel consumption is lowered.

Abstract: An axial flow type exhaust gas turbine supercharger (TC) enabling maintainability to be secured by easily attaching/detaching an inner casing, capable of solving problems in thermal expansion and an increase in weight which make its design difficult, and formed to rotate a coaxial compressor with a shaft output provided by the expansion of exhaust gas led into an axial flow turbine (20). The exhaust gas turbine supercharger comprises a gas inlet casing (25) of double structure in which an inner casing (21) and an outer casing (22) formed separately from each other are formed integrally with each other by bolting and a space formed between both casings (21) and (22) forms an exhaust gas flow passage (24) leading the exhaust gas to a turbine nozzle (23). The exhaust gas flow passage (24) is formed all around the periphery of the turbine in the rotating direction and the inner casing (21) is formed detachable in the axial direction.

Abstract: An exhaust gas system for an internal combustion engine, in particular a motor vehicle engine, is provided having, in one form, two cylinder banks arranged at an acute angle to one anther and each having at least one exhaust gas outlet, a so-called V-engine, having exhaust gas guide elements arranged in the region of the inner angle, including a housing surrounding the exhaust gas outlets of both cylinder banks in a gas tight manner and having at least one exhaust gas outlet opening is characterized in that the housing is made in two parts, with a first part which is connected to the one cylinder bank and surrounds its exhaust gas outlets and with a second part which is connected to the other cylinder bank and surrounds its exhaust gas outlets; in that the two parts each have a side facing the other part and having at least one housing opening via which the two parts communicate with one another; and in that an expansion compensation element is arranged between the two parts and surrounds the housing opening

Abstract: A method for controlling a variable-geometry turbine (24) that includes a variable-geometry mechanism that is movable between a fully closed position closing a relatively greater portion of the turbine nozzle and a fully open position closing a relatively smaller portion of the nozzle. The turbine (24) further comprises a waste gate (40) movable between a closed position and an open position in which some of the exhaust gas bypasses the turbine (24). At low engine speeds, turbocharger boost us regulated by regulating the position of the wastegate. At high engine speeds, the variable geometry is fully open and the wastegate is opened again. When at medium engine speeds, the variable geometry mechanism is to be moved from its closed position toward its fully open position, the waste gate (40) is in an open position to cause a proportion of the exhaust gas to bypass the turbine (24) and thereby reduce the pressure of the exhaust gas in the chamber.

Abstract: One embodiment of the invention includes a combustion engine breathing system including a compressor valve for use with a biturbo system and cylinder deactivation

Abstract: “The invention concerns a turbo compound system, including a crankshaft driven by an internal combustion engine; a blowdown turbine arranged in the exhaust line of the internal combustion engine; a hydrodynamic clutch, comprising a driving torus and a driven torus, which form with each other a working chamber that is fillable or filled with working fluid; where the driven torus of the hydrodynamic clutch is arranged on a shaft on the crankshaft side, which is in drive connection with the crankshaft and is geared up relative to the crankshaft; and where the driving torus of the hydrodynamic clutch is arranged on a shaft on the blowdown turbine side, which is in drive connection with the blowdown turbine, and where—a rotary pump is arranged on the shaft on the crankshaft side or on the shaft on the blowdown turbine side, whose impeller is driven by this shaft.

Abstract: A rotary combustion engine (12) with a self-cooling system comprises a heat exchanging interface for discharging excess heat from the rotary combustion engine (12), and a direct drive fan (44) integrated on the rotary engine output shaft (26) for providing a flow of forced air over the heat exchanging interface.

Abstract: In an internal combustion engine comprising a mechanical charger in the form of a positive displacement compressor connected to the engine intake duct for supplying compressed air to the engine and a turbo-compound including an exhaust gas turbine connected to the engine exhaust duct for converting energy remaining in the exhaust gas to power, the exhaust gas turbine being connected to the engine via a reduction gear drive, the mechanical charger and the turbo-compound are coupled to the engine by a common belt drive including a first belt pulley mounted on the crankshaft of the engine, a second belt pulley mounted on the shaft of the reduction gear drive, and a third belt pulley mounted on the shaft of the mechanical charger.

Abstract: A pipe line for a turbocharger system for an internal combustion engine has at least one exhaust line for the evacuation of exhaust gases from the combustion chamber of the engine to the turbocharger system and at least one inlet line for the supply of air to the combustion chamber. The turbocharger system includes at least one turbine, which cooperates with at least one compressor to extract energy from the exhaust flow of the engine and pressurize the inlet air of the engine. To allow a compact installation with low pressure losses, the inlet line connects with a curved line section of an outlet from the compressor, at least a part-section of the curved line section having a non-circular cross section. A diffuser is placed less than five pipe diameters downstream of the curved line section.

Abstract: In an internal combustion engine comprising an engine braking arrangement including a constant throttle valve, an exhaust gas turbocharger with a variable turbine guide vane structure and a power turbine connected to an exhaust tract and a compressor connected to an intake tract of the internal combustion engine, the power turbine is disposed in the exhaust duct downstream of the exhaust gas turbine and is driven by the exhaust gas of the internal combustion engine and a bypass device is provided in a bypass pipe which extends around the power turbine and via which the exhaust pipe can be completely closed and the bypass pipe can be completely or partially closed so as to selectively partially or completely block the exhaust gas flow and the bypass flow to an exhaust gas discharge pipe.

Abstract: A segmented heat exchanger system for transferring heat energy from an exhaust fluid to a working fluid. The heat exchanger system may include a first heat exchanger for receiving incoming working fluid and the exhaust fluid. The working fluid and exhaust fluid may travel through at least a portion of the first heat exchanger in a parallel flow configuration. In addition, the heat exchanger system may include a second heat exchanger for receiving working fluid from the first heat exchanger and exhaust fluid from a third heat exchanger. The working fluid and exhaust fluid may travel through at least a portion of the second heat exchanger in a counter flow configuration. Furthermore, the heat exchanger system may include a third heat exchanger for receiving working fluid from the second heat exchanger and exhaust fluid from the first heat exchanger. The working fluid and exhaust fluid may travel through at least a portion of the third heat exchanger in a parallel flow configuration.

Abstract: A control system for estimating the performance of a compressor is disclosed. The control system has a compressor fluidly connected to an inlet manifold of a power source. The control system also has a power source speed sensor to provide an indication of a rotational speed of the power source, an inlet pressure sensor to provide an indication of a pressure of a fluid within the inlet manifold, an inlet temperature sensor to provide an indication of a temperature of the fluid within the inlet manifold, an atmospheric pressure sensor to provide an indication of an atmospheric pressure, and a control module in communication with each of the sensors. The control module is configured to monitor an engine valve opening duration and an exhaust gas recirculation valve position, and estimate a compressor inlet pressure based on the provided indications, the monitored duration, and the monitored position.

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: A fluid machine for a waste heat collecting system for an internal combustion engine has an object to make most use of the collected waste heat and an operation of a compressor, an alternator or the like by a rotational driving force from an expansion device function well even during an engine running is stopped. The fluid machine according to the present invention has a pulley connected to the engine, an expansion device for generating a rotational driving force from the collected waste heat, a compressor device driven by the pulley and the expansion device, wherein a rotating shaft is commonly used for the pulley, the expansion device and the compressor device. The expansion device is an expansion device for changing its expansion volume, so that the Rankine cycle for collecting the waste heat can be operated most effectively.

Abstract: A co-generation turbocharged turbine system that utilizes a gas turbine (10) connecting the exhaust to a turbocharger (24) to introduce pressurized air into the inlet of the turbine for improving power and efficiency. A second embodiment places a work load (22) on an extension of the same power shaft (30), thereby connecting both the turbocharger driven rotor and drive rotor together in the form of an extended power shaft (30?). The turbocharger is in fluid communication from the gas turbine exhaust and is connected to the gas turbine air intake from the drive rotor of the turbocharger. A third embodiment consists of the same elements as the second embodiment except the work load (34) is driven by a turbocharger double-extended power shaft (30?) which extends from a vapor generating sub-system that has been added to the invention.

Abstract: A domestic combined heat and power system comprising a Stirling engine (1) and water heater in the form of a supplementary burner (17). The exhaust gas from the Stirling engine is used to preheat combustible gas entering the Stirling engine and subsequently used to heat the water. The water heater (15) has a helical water duct (41) towards the periphery of a housing (39). Separate parts of this duct are heated, in series, by the exhaust gas from the Stirling engine and the supplementary burner (17) firing radially outwardly through the helical duct.

Abstract: In an internal combustion engine with a motor brake, includes an exhaust gas turbocharger and a power turbine disposed in the exhaust gas discharge line from the turbocharger for the conversion of the energy remaining in the exhaust gas into usable energy, the exhaust gas line includes bypass openings with a bypass line for the exhaust gas to by-pass the power turbine, and the turbine of the turbocharger includes inlet passages for the admission of the exhaust gas to the exhaust gas turbine, a slide-control member is supported by the exhaust gas line so as to be movable between an end position in which the turbine inlet openings are uncovered and an opposite end position in which the turbine inlet openings are covered and the by-pass openings of the power turbine are uncovered so that the exhaust gas can by-pass the power turbine.

Abstract: A system and method of protecting production tooling used in semiconductor fabrication from potentially damaging low temperatures or sudden temperature drops during periods of primary power outage and low outside temperatures. The boilers and pumps at a central utility plant (CUP) which normally provide superheated water under pressure to heat exchangers in each building to be heated are cut back to a fraction of their normal heating capacity during periods of primary power outage, although air continues to be exhausted from, and outside air taken into fabrication buildings. In the present invention, an additional heat exchanger is placed in each building which houses production tooling, and the coolant from the engine used to drive the generator for powering the air handling equipment in the building may be selectively directed through one of the flow paths of the second heat exchanger.

Abstract: Apparatus and method for supplying sealing air to an exhaust turbine (15) that interacts with an internal combustion engine for turbo-compound operation in a vehicle. Exhaust gases from the internal combustion engine are received in an exhaust system having a supercharger turbine (11) and which drives a compressor (13) for the engine combustion air. Residual energy in the exhaust gas flow is recovered via the exhaust turbine (15) for transfer to the crankshaft of the internal combustion engine. The exhaust turbine (15) is supported in a bearing housing (32), which is fed with sealing air via a fluid line (36). The exhaust system includes an exhaust brake throttle (16) having an exhaust gas pressure regulator (22) for regulating the exhaust brake pressure. The exhaust gas pressure regulator (22) is connected via a compressed air line (28) to a compressed air source (29, 30), which can be connected in parallel to the bearing housing (32) via a prioritizing valve (35) and a compressed air line (36).

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: An exhaust device includes a housing, a drive unit, and an electric generator. The housing includes a tubular wall with a tube axis, and a mounting wall transverse to the tube axis. The tubular wall has an inlet end portion to be connected to a source of exhaust gas. The housing is formed with a vent for discharging the exhaust gas. The drive unit includes a drive shaft disposed in the housing, and an impeller connected to the drive shaft such that the exhaust gas received from the source can drive rotation of the drive shaft. The electric generator includes a stator mounted on the mounting wall, and a rotor coupled to the drive shaft such that the rotor is rotatable with the drive shaft relative to the stator to generate electricity for operating a load, such as a lamp unit.

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: 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: 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 manifold alternator generator including a turbine located proximal to a flow of exhaust gases in an internal combustion engine where the exhaust gases energize the turbine and produce rotation of an output shaft. The output shaft is connected to a rotor that is engaged with a generator such that the rotation of the turbine and output shaft generates electrical power. The manifold alternator generator may be used in combination with electromagnetic valve actuators and a flywheel alternator/starter. A processor may be used to optimize the performance of the manifold alternator generator and other system components.

Abstract: The invention relates to an arrangement for power transmission in a combustion engine, comprising an outgoing exhaust pipe, at least one device for absorbing energy from exhaust gases in the exhaust pipe and/or at least one device for compressing air to the engine and a power transmission between at least one of said devices and a crankshaft of the engine. The invention is characterized in that said power transmission comprises power transmission means for the transfer of power via the shearing forces of a viscous medium. By means of the invention an improved power transmission in a turbo compound unit for combustion engines is obtained.

Abstract: A turbocharged internal-combustion engine (10), with at least one high-pressure stage (20), with at least one low-pressure stage (30), which is arranged downstream of the high-pressure stage, with bypass piping (24a, 24b) having pipe switch(es) (70, 71), and which connect the exhaust side (12) of the engine with the inlet side of the low-pressure turbine (31) with sensors for detection of the operating parameters of the engine.

Abstract: 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.

Abstract: An internal-combustion engine with a turbocharger is suggested, in the case of which a limiting of the exhaust gas counterpressure is provided in the braking operating mode of the internal-combustion engine.

Abstract: Internal combustion engines are described including a crankshaft and at least one cylinder, an intake line for supplying air to the cylinder, an exhaust line for discharging exhaust gases from the cylinder, a recirculation line for recirculating at least a portion of the exhaust gases from the exhaust line to the intake line in order to reduce emissions from the engine, a valve in the recirculation line for controlling the flow of a portion of the exhaust gases therethrough, a turbocharger including a first turbocharging unit for absorbing energy from the exhaust gases and including a compressor to compress air supply to the intake line, and a second turbocharger unit disposed downstream of the first turbocharger unit for absorbing energy from the exhaust gases whereby a pressure is created in the exhaust line which is greater than the pressure in the intake line, and a power transmission line for transmitting power from the second turbocharger unit to the crankshaft.

Abstract: A turbocharged internal combustion engine with exhaust return via a valve on the intake side of the turbocompressor unit to the engine intake side. The turbine and the compressor of the turbocompressor unit are adapted to each other and to the engine in such a way that the pressure on the inlet side of the turbine is always higher than the pressure on the pressure side of the compressor. The rotary shaft of the unit is coupled via a drive chain containing a continuously variable transmission to the crank shaft of the engine. An electronic control unit controls the transmission ratio and the degree of opening of the valve.

Abstract: An engine having an annular cylinder formed about an opening which utilizes an arc-piston reciprocally positioned in the annular cylinder with a partition secured within the annular cylinder separating the annular cylinder into an air intake compression chamber and a gas combustion chamber such that in use upon reciprocation of the arc-piston one of the chambers is expanding while the remaining of the chambers is contacting is disclosed. Within the opening a conventional gas turbine may be positioned and the rotational power of the arc-piston engine is combined with the rotational power of the gas turbine.

Abstract: The invention relates to a combustion engine 7 of compound type in which the exhaust gases partly drive a first turbine 3 for driving a compressor 4 for supplying and compressing combustion air, partly a second turbine 2 which, via a mechanical transmission 1 transmits the residual energy in the exhaust gases to the crankshaft 10 of the combustion engine. The exhaust gas brake 6 being placed downstream, in the exhaust gas flow direction, after the second power turbine 2 results in a greatly increased braking effect at a given limited permitted exhaust gas temperature. In corresponding conditions with regard to exhaust gas temperature and type of exhaust gas brake damper the braking effect extracted for compound engines can be improved by up to 27% compared with a conventional supercharged diesel engine.

Abstract: A supercharged internal combustion engine has an exhaust gas turbocharger which includes an exhaust gas turbine and a compressor. The exhaust gas turbine and the compressor are connected to a turbocharger shaft and an appliance for the transmission of power for the purpose of a mechanical step-up drive capability for the exhaust gas turbocharger arranged between the turbocharger shaft and the crankshaft of the internal combustion engine. The appliance includes at least one step-up gear and a controllable hydrodynamic coupling for torque transmission arranged between the crankshaft and the turbocharger shaft.

Abstract: An internal combustion engine has an annular rotor (2) arranged to rotate around a stator (6). The stator has a pair of combustion cylinders (19) extending therethrough with each cylinder containing a slideable piston (18). The pistons are coupled to a central rotating shaft (4) which produces antiphase motion of the pistons in their respective cylinders. Combustible fluid is fed into each of the cylinders (19) in turn to be compressed by the action of the pistons (18). The rotor (2) has a first angular section (16) which provides for an air/fuel mixture to be drawn into the cylinders during retraction of the pistons, a second angular section (40) which provides for sealing an opening in the end of the cylinders when the pistons are extending to compress the air/fuel mixture, and a third angular section (42) which has a number of turbine blades which are arranged to be driven by combustion products exiting from a cylinder when compressed fluid therein is ignited.

Abstract: A circular internal combustion engine includes a torque shaft, a central cam connected to the torque shaft, a stationary middle ring located about the central cam, and, an exhaust ring assembly located about the middle ring and connected to the torque shaft and the central cam. The middle ring provides stationary support for power chambers located between the central cam and the exhaust ring. Power shuttle assemblies utilize thermal energy from the power chambers to apply leverage on surfaces of the central cam and exhaust ring to provide rotational force.

Abstract: An autoignition two-stroke internal combustion engine utilizes rectangular working chambers and pistons with bar-type seals and rotary sleeve valves which connect the working chambers to exhaust gas turbines for secondary expansion and a supercharger. The supercharger is thermally decoupled from the expansion turbines but the expansion turbines are connected to the supercharger and the crankshaft by a planetary gear transmission which can be cut in or out by a disk-type brake or clutch.

Abstract: An autoignition two-stroke internal combustion engine utilizes rectangular working chambers and pistons with bar-type seals and rotary slide valves which connect the working chambers to exhaust gas turbines for secondary expansion and a supercharger. The supercharger is thermally decoupled from the expansion turbines but the expansion turbines are connected to the supercharger and the crankshaft by a planetary gear transmission which can be cut in or out by a disk-type brake or clutch.

Abstract: An internal combustion engine comprises a hollow rotary engine body, an axially opposite pair of main pistons capable of rotating with but slidably reciprocating relative to the engine body, a cam mechanism for causing the main pistons to make one full rotation with the engine body as the piston makes two reciprocations, and a pair of axially fixed auxiliary pistons coaxially inserted into the respective main pistons. A main combustion chamber is formed in the engine body between the main pistons, whereas a pair of auxiliary combustion chambers are formed in the respective auxiliary pistons. Explosive combustion takes place alternately in the main combustion chamber and each auxiliary combustion chamber.

Abstract: An internal combustion engine assembly of the compound type for vehicles comprises an internal combustion engine, a turbine and a transmission arranged between the turbine and a crankshaft forming part of the engine. The turbine is designed to be driven by exhaust gases from the engine. On the rear end of the crankshaft a gear wheel is mounted. On this gear wheel there is formed a flange which functions as an extension of the crankshaft and attachment for a flywheel. With the present invention, it is possible to transmit the power from the turbine to the crankshaft without modifying the ring gear of the flywheel. The invention also affords advantages in terms of manufacturing, assembly and maintenance technology.

Abstract: The invention relates to a compound turbo-drive for a two cylinder bank V-form internal-combustion engine with an exhaust-gas turbocharger for each cylinder bank that together feed a re-expansion turbine. To obtain a space-saving arrangement, the re-expansion turbine has a double-flow turbine housing with two integrated side inlet housings to which the exhaust-gas turbines of the exhaust-gas turbochargers are arranged horizontally.

Abstract: A turbocompound engine having a power turbine bypass valve and a control module for controlling opening and closing of the bypass valve. The control module opens the bypass valve for various operating conditions, such as at high altitudes, low speed/high load, and transient load conditions for improved engine operation.

Abstract: According to the present invention, a power transmission apparatus for an internal combustion engine (2) having a supercharger (1) attached thereto is constructed such that thermal energy included in exhaust gas discharged from a turbine (T) in the supercharger is recovered by a waste heat recovering turbine (3) thereby to drive the waste heat recovering turbine (3), auxiliary units (9), (10) for a cooling system of the internal combustion engine (2) are driven by power generated by the waste heat recovering turbine (3) which has been driven and the power generated by the wasted heat recovering turbine (3) is then transmitted to a crankshaft (12) of the internal combustion engine (2) via a coupling (6) for interrupting power transmission in an operational region where the internal combustion engine is rotated at a low speed or in an operational region where the internal combustion engine is rotated under a low load.

Abstract: The present invention provides an internal combustion engine comprising a hollow engine body rotatable about a fixed shaft, a pair of pistons capable of rotating with but slidably reciprocating relative to the engine body, and a cam mechanism for causing each piston to make one full rotation with the engine body as the piston makes two reciprocations. A combustion chamber is formed in the engine body between the pair of pistons, whereas a pair of air supply chambers are arranged on the side of the respective pistons axially away from the combustion chamber. Each air supply chamber is highly compressed when the pistons are moved away from each other, and the resulting compressed air is utilized for scavenging, internally cooling and supercharging the combustion chamber.

Abstract: A turbocompound engine having a power turbine bypass valve and a control module for controlling opening and closing of the bypass valve. The turbocompound engine is capable of operating in a compression braking mode, and the control module opens the bypass valve in response to actuation of the compression braking, resulting in improved braking.

Abstract: A low-cost, lightweight mobile gas turbine capable of rotating in excess of ne hundred thousand RPM is coupled to a centrifugal air compressor which supplies high volume airflow to a diesel fueled combustion chamber for supplying hot gas to the turbine. Three energy outputs are obtained in the form of pressurized airflow, hot gas flow and large volumes of directed ambient air. The hardware components are essentially state-of-the-art, but their combination for use in multi-purpose military combat operations has not heretofore been known. Such uses include smoke generation, dissemination of infre-red and radar absorbant clouds, decontamination of large masses, hot water supply and air pressure source for mechanics tool operation.

Abstract: A complex turbocharger compound engine system has a clutch disposed between the rotatable shaft of a turbine which is drivable by exhaust gases emitted from an engine and a power transmission device by which the rotatable shaft and the output shaft of the engine are operatively coupled to each other, a generator mounted on the rotatable shaft, and a rotary electric machine operatively coupled to the output shaft of the engine and operable selectively as a generator or as a motor. In a region in which the turbine operates with high efficiency, the region depending on operating conditions of the engine, the clutch is engaged to transmit rotative power of the turbine driven by the exhaust gases to the output shaft of the engine, thereby mechanically recovering the exhaust energy of the engine. In a region in which the turbine operates with low efficiency, the generator is driven by the turbine and the rotary electric machine is operated as a motor by the generated electric power.