Abstract: The “Internal Combustion Engine Energy Extractor” is a device that is extracts otherwise wasted heat from both the engine exhaust system and it's cooling system. This heat is converted into mechanical energy, which is 1) used to power the “Extractor” and 2) may be used for auxiliary engine devices, such as an intake air supercharger or an electrical generator. The Energy Extractor by itself 1) increases engine efficiency and power by decreasing exhaust back pressure and 2) decreases engine wear by decreasing the cylinder and engine temperature.

Abstract: The invention relates to a process of heat transformation to convert the low-temperature waste heat from cooling circuits of block-type thermal power station (BTPS) reciprocating-piston combustion engines into steam or other heating media of a temperature required for operation by adopting the principle of the high-temperature heat pump according to which the low-temperature heat produced by recooling the engine cooling circuits to their required inflow temperature required by construction is transferred to a liquid working medium, is absorbed by the working media vapors by partial evaporation, and is brought, by compressing and condensing the working medium vapors, to the temperature of the in-plant heating media and is transferred to them.

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: In the gas turbine combined plant, water fed to an entrance of a high-pressure economizer is guided into an air cooler as a cooling medium of high-temperature air that passes through the air cooler. High-temperature water obtained by heat exchanging with high-temperature air is branched to a passage that joins water drawn from an exit of the high-pressure economizer and a passage that joins a condenser. These passages are provided with regulating valves that regulate the flow rate of the water that passes through these passages, respectively.

Abstract: The invention waste heat conversion system for a motor vehicle includes a waste heat converting vapor engine coupled by a one way clutch to a motor-generator which is coupled through an engageable clutch to the vehicle drive train. The motor-generator of the invention system is also electrically connected to a storage battery and can either charge the battery or be powered by the battery to provide added power to the drive train. The invention system is capable of numerous modes of operation and can also be configured to convert braking energy for storage in the battery.

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 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 has an exhaust gas line, an exhaust gas heat exchanger through which exhaust gas withdrawn through the exhaust gas line passes so as to take heat energy, a heating heat exchanger to which the withdrawn heat energy is made available and which is connected to a cooling fluid circuit of the internal combustion engine, an exhaust gas turbocharger provided with a turbine housing and a turbine wheel rotatable in the latter, the exhaust gas turbocharger being arranged in the exhaust gas line, the exhaust gas heat exchanger being connected heat conductively with the turbine housing of the exhaust gas turbocharger for withdrawing of heat from the exhaust gas which passes through the turbine wheel.

Abstract: A heat exchanger is disclosed having a first chamber, a second chamber positioned inside the first chamber, and a third chamber positioned inside the second chamber. The first, second, and third chambers are in coaxial alignment. A first portion of a first helical tube is positioned inside the second chamber and a second portion of the first helical tube is positioned inside the third chamber and a second helical tube is positioned inside the first chamber. The heat exchanger heats a cryogenic liquid to a gas phase using at least three different heat transfer fluids in one contained unit without mixing any of the fluids in the exchanger.

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 integrated cogeneration system comprising a combustion engine electric power generator, a combustion powered water boiler, a carbon dioxide recovery unit for receiving exhaust from the combustion engine electric power generator and water boiler and recovering carbon dioxide from the exhaust, and a compressor for receiving recovered carbon dioxide from the carbon dioxide recovery unit and liquefying the recovered carbon dioxide. The cogeneration system can also include a heating or cooling system powered by the combustion engine electric power generator. The integrated cogeneration system is desirably modular for transportation in discrete modules and assembly at a remote location. The integrated cogeneration system is useful in supporting manufacture of beverages in sealed containers.

Abstract: A mobile cogeneration system fitted into modular intermodal transportation units for ease of transportation, relocation, configuration and reconfiguration, as well as providing an operating environment for the cogeneration system.

Abstract: A method and apparatus of operating a combination power plant which includes at least one large diesel engine provided with a turbocharger connected to receive exhaust gas from the engine, an exhaust gas boiler connected to receive exhaust gas from the turbocharger for utilizing heat energy in the exhaust gas to produce pressurized steam, and a steam turbine for converting energy in the steam produced by the exhaust gas boiler to electrical energy. When the engine is running at a high power output rate, a side flow of exhaust gas is removed from the flow of exhaust gas upstream of the turbocharger, the side flow being below 20% of the total exhaust gas flow from the engine. Heat energy in the side flow gas is used to refine the steam produced by the exhaust gas boiler before feeding it into the steam turbine.

Abstract: A heat exchange apparatus has heat exchangers comprising porous material of improved heat exchange efficiency provided in an exhaust passage, and a ceramic engine provided with a supercharger comparing a steam turbine driven by the steam generated in the heat exchanger apparatus. The heat exchange apparatus comprises a high temperature heat exchanger having a steam passage provided in an exhaust gas passage through which an exhaust gas passes whereby steam is heated, and a low temperature heat exchanger provided in the portion of the exhaust gas passage on the downstream side of the high temperature heat exchanger which has a water passage for heating water by the exhaust gas. The ceramic engine has a steam turbine type supercharger provided with a steam turbine driven by the steam from the high temperature heat exchanges, a compressor, and a condenser which separates a fluid discharged from the steam turbine into water and low temperature steam.

Abstract: This heat recovering apparatus for a cogeneration system with an engine comprises a turbocharger driven by an exhaust gas, an energy recovering turbine provided on the downstream side of the turbocharger, and a heat exchanger provided on the downstream side of the energy recovering turbine. The energy recovering turbine comprises a gas turbine driven by an exhaust gas, and a steam turbine driven by steam occurring in the heat exchanger. The heat exchanger comprises a casing joined to an exhaust gas passage, oxidation resisting ceramic pipes, in which the water and steam flow, provided in the casing, and oxidation resisting ceramic porous members, through which an exhaust gas can pass, provided in the portions of the interior of the casing which are on the outer sides of the ceramic pipes.

Abstract: An integrated cogeneration system comprising a combustion engine electric power generator, a combustion powered water boiler, a carbon dioxide recovery unit for receiving exhaust from the combustion engine electric power generator and water boiler and recovering carbon dioxide from the exhaust, and a compressor for receiving recovered carbon dioxide from the carbon dioxide recovery unit and liquefying the recovered carbon dioxide. The cogeneration system can also include a heating or cooling system powered by the combustion engine electric power generator. The integrated cogeneration system is desirably modular for transportation in discrete modules and assembly at a remote location. The integrated cogeneration system is useful in supporting manufacture of beverages in sealed containers.

Abstract: A vapor-driven piston-type engine having multiple stages that may be constructed as a single block or unit. Each stage has its own separate vapor power source and the fluids in each stage are different and have different heat/temperature characteristics such that the waste heat from one engine can be used to drive a succeeding engine.

Abstract: Apparatus for heating, disinfecting and sterilizing materials through exposure to microwave radiation; includes a treatment chamber which houses a container filled with material to be treated. An injector is in fluid communication with the container for introducing a liquid to the material and includes a dome which is tightly placed on top of the container, and a nozzle which is secured interiorly of the dome and projects through an opening of the container for injecting liquid into the treatment chamber. An exhaust conduit further projects into the dome for discharge of exhaust fluid from within the container directly to an area outside of the treatment chamber.

Abstract: A heat energy recovery system for cooling an internal combustion engine is characterized by separate oil and water circuits. The oil circuit is used to lubricate and cool the engine. A heat exchanger between the oil and water circuits cools the oil and produces steam from the water. The steam is used to power a steam engine in the water circuit which in turn is used to drive accessories normally driven by the engine. The recovery of heat from the cooling oil and the generation of energy via the steam engine reduces the load on the engine, decreasing its fuel consumption and increasing its net output to drive a vehicle.

Abstract: An electric power generating system including a motor vehicle defining a passenger compartment and an engine compartment; an internal combustion engine retained in the engine; an exhaust system defining a passage for discharging exhaust gases produced by the internal combustion engine; and a primary heat exchange system coupled to the exhaust system means and defining a primary chamber adapted to transfer thermal energy from the exhaust gases to a working fluid; a cooling system for circulating cooling liquid in a path that results in removal of thermal energy from the internal combustion engine; and an auxiliary heat exchange system coupled to the cooling system and defining an auxiliary chamber adapted to transfer thermal energy from the cooling fluid to the working fluid.

Abstract: A vapor-driven piston-type engine having multiple stages that may be constructed as a single block or unit. Each stage has its own separate vapor power source and the fluids in each stage are different and have different heat/temperature characteristics such that the waste heat from one engine can be used to drive a succeeding engine.

Abstract: A supplementary power system of an automobile, including a plurality of pre-heating water chambers and a steam boiler connected in series, a water circulation loop for collecting heat from the engine cooling system of the automobile for warming up water in the pre-heating water chambers, an exhaust gas guide pipe for collecting heat from the exhaust gas of the engine for heating water in the steam boiler into steam, a steam engine driven by steam from the steam boiler, an air compressor driven by the steam engine, and a pneumatic motor driven by the air compressor to transmit a driving power to the engine shaft of the automobile through a transmission belt.

Abstract: A method for improving the total production of useful energy in an energy utilization system of a thermal power engine (1) that is liquid-cooled and is used for the production of thermal energy as well as mechanical energy. In the energy utilization system, thermal energy is taken from the coolant of the engine cooling system. At least a part of the coolant from the engine is led to a vaporization space (5) where, either by lowering the pressure or by increasing the amount of thermal energy within that space (5), a part of the coolant is transformed to vapor. The vapor is used within the energy utilization system for energy transport and/or as a medium for recovering energy.

Abstract: A flameless nitrogen vaporizing unit includes a first internal combustion engine driving a nitrogen pump through a transmission. A second internal combustion engine drives three hydraulic oil pumps against a variable back pressure so that a variable load may be imposed upon the second engine. Liquid nitrogen is pumped from the nitrogen pump driven by the first engine into a first heat exchanger where heat is transferred from exhaust gases from the first and second internal combustion engines to the liquid nitrogen to cause the nitrogen to be transformed into a gaseous state. The gaseous nitrogen then flows into a second heat exchanger where it is superheated by an engine coolant fluid to heat the gaseous nitrogen to essentially an ambient temperature. The superheated nitrogen is then injected into the well. The engine coolant fluid flows in a coolant circulation system. Heat is transferred to the coolant fluid directly from the internal combustion engine.

Abstract: The instant invention is referred to a recovery system for the dissipated energy of an engine motor vehicle during its running conditions; such a system is substantially formed by the following subsystems:subsystem A: primary cooling systemsubsystem B: secondary cooling systemsubsystem C: exhaust gases circuitsubsystem D: compressed air circuitsubsystem E: braking circuit having an air compressorSuch a system, wherein the thermal energy dissipated during the cooling of the engine motor and the kinetic energy 1/2 mv.sup.2 dissipated during the braking action of the vehicle, are both recovered in form of potential energy represented by compressed air, which is stored in a suitable storage vessel for its later use to produce mechanical energy, implies remarkable advantages, in an absolute sense, for the huge saving of fuel and also for the absence of pollution of the environmental air.

Abstract: A cogeneration apparatus comprising: a transporting structure, including a support frame, for transporting the cogeneration apparatus; an electrical generator, mountable on the support frame, for generating an electrical current; a driver, mountable on the support frame, for driving the electrical generator, said driver producing an exhaust gas when operated; and a heat recovery assembly, mountable on the support frame, for recovering heat from the exhaust gas. A novel valve and a novel boiler system preferred for use in the inventive cogeneration apparatus are also provided.

Abstract: A process for compressing a gaseous medium, particularly air, in which sucked in gas of a lower initial pressure, particularly atmospheric pressure, is compressed to a predetermined final pressure by means of a compressor driven by the useful side of a thermal engine. The sucked in gas is pre-compressed before entering the compressor and/or the compressed gas is re-compressed after exiting the compressor by a turbocharger. The drive side of the turbocharger is acted upon by the energy of the exhaust gas flow of the thermal engine. In order to increase the overall efficiency of transportable compressor installations in particular, a liquid of a closed or open liquid/steam circulation system, which liquid is under pressure, is evaporated and superheated by the exhaust gas flow of the thermal engine and the superheated steam is fed to the drive side of the turbocharger.

Abstract: This invention relates to an evaporative salt plant installation including methods of operation and apparatus which produce high purity salt economically and in high yield comprising the combination of a gas turbine which drives a vapor compressor, whose exhaust gases are used to produce steam to drive a topping steam turbine generator, which in turn generates the electrical energy requirements of the plant, and wherein the discharge vapors from the steam turbine are combined with the discharge vapors from the vapor compressor, which is in turn in combination with a vapor compression evaporator and a purge evaporator, whereby both evaporators produce salt, and where the overhead vapors of the purge evaporator are used in a brine cooled condenser to preheat input cold brine, thereby producing water condensate which is recovered, along with evaporator steam chest condensate streams, and used in solution mining underground salt, thereby allowing for both the productive use and recovery of substantially all the r

Abstract: A method for recovering and utilizing residual waste heat energy normally rejected into the atmosphere from a combined direct expansion refrigeration system driven by a natural gas or internal combustion engine, wherein the waste heat energy rejected from the condenser of the refrigeration system is combined with the heat energy rejected from the engine block cooling fluid and the exhaust gas stream and recovered by a refrigerant power fluid to drive a vapor power expander and co-generate auxiliary electric power.

Abstract: This invention relates generally to a system for increasing the thermodynamic efficiency of internal combustion engines. In the system of the invention, the unused heat generated during normal engine operation in the exhaust gases, lubricating oil and engine coolant is utilized to compress air which produces additional energy that performs additional work in the engine system by means of a modified Rankine cycle. This same system used to maximize efficiency and increase power also acts to reduce pollutants in the exhaust emissions.

Abstract: A hybrid-propulsion car system having one axle driven by an internal combustion engine and another axis driven by an electric motor. The waste heat of the internal combustion engine is absorbed by the engine cooling fluid, and is then heat exchanged with an evaporative fluid in a closed circuit. The evaporative fluid is vaporized by the heat of the engine cooling fluid in order to drive an expander which in turn drives an electric generator. The electric generator supplies current to a storage battery and to the electric motor.

Abstract: A hybrid internal combustion engine/electrical motor ground vehicle propulsion system is disclosed wherein a fluid is first heated in an internal combustion engine cylinder water jacket and then converted to its gaseous phase in a double walled manifold enshrouding the internal combustion engine exhaust manifold. The gas then turns a turbine, exits to a condenser where the gas is condensed into liquid, and then the fluid is returned to a radiator to await the next cycle. The turbine is rotatably connected to a generator which produces electrical energy when the turbine turns. This electrical energy is used to charge a bank of batteries. The bank of batteries is used to supply an electrical motor which may be used as a complementary or alternate source of propulsion for a ground vehicle.

Abstract: At least part of the heat energy contained in the exhaust gases of a diesel engine provided with turbo apparatus is recovered before leading the exhaust gases into the turbo apparatus, and at least the major part of the recovered heat energy is used for producing secondary energy to be availed of independent of the production of mechanical energy by the engine. The heat energy recovered can, with advantage, be utilized for hot water or steam production.

Abstract: An energy recovery system for wheeled vehicles is characterized by a compressor/expander which operates as an expander in the run mode to assist the engine in driving the vehcile and as a compressor in the braking mode to store braking energy. A heat exchanger, a boiler drum, and a flash chamber transfer heat from the vehicle exhaust to a working fluid for generating high and low pressure vapor. The boiler drum stores heated and vaporized liquid and supplies high-pressure vapor to the inlet port of the compressor/expander during the run mode. The flash chamber supplies low-pressure steam to the inlet port of the compressor/expander during the braking mode. Storage tanks are provided for storing and passing low-pressure vapor to the input of the compressor/expander during the run mode.

Abstract: In a gas/steam power station plant, which consists essentially of at least one fossil-fired internal combustion engine (2), at least one steam circuit (1) and at least one heat exchanger (3), the heat exchanger (3) connected downstream of the internal combustion engine (2) is fed with exhaust gases (27) from the internal combustion engine (2). Together with a number of steam turbines (12, 13), the steam circuit 1 has a generator (14), a series of other auxiliary units (15, 16) and a water-cooled reactor (11) which produces an amount of saturated steam (B) from an amount of preheated feed water (C) treated in the heat exchanger (3) and fed to it. This amount of saturated steam is thereupon fed to a superheat stage (A) in the heat exchanger (3), where the actual final treatment of the steam takes place.

Abstract: A nitrogen liquid to gas system in which an internal combustion engine drives hydraulic pumps and motors in a closed ethylene gylcol fluid circuit. A heat exchanger is provided between the liquid nitrogen and the ethylene glycol fluid for converting the liquid nitrogen to gaseous nitrogen. Heat is recovered from the ambient air in a heat exchange with the ethylene glycol fluid for maintaining the fluid between approximately 0.degree. F. and 20.degree. F. by means of a temperature regulating valve.

Abstract: The representative evaporative cooling system disclosed in the specification includes a cooling pump in a condensate line leading from a condenser to an internal combustion engine and a fan associated with the condenser, and has a turbine disposed in the coolant vapor line leading from the engine to the condenser which utilizes the energy of the coolant vapor to drive the coolant pump and the fan.

Abstract: The purpose of the Wicks Combined Cycle Engine (WCCE) is to provide a very substantial fuel efficiency improvement relative to the liquid cooled, internal combustion, piston engines that are now utilized by virtually all automobiles, trucks, and buses, and most trains and ships. The method is to recover virtually all of the internal combustion engine heat that is normally rejected through the engine coolant radiator and through the engine exhaust, by a Rankine Cycle that is comprised of a feed pump, feed heater, boiler, superheater, turbine or other type of mechanical power producing expander and air cooled condenser. The reference analysis shows a potential efficiency increase from 25% for existing practice engines to 41.8% for the WCCE.

Abstract: A cooling/heating and power generating device utilizes waste heat from an automobile to produce an auxiliary energy source for driving various accessories such as a cooling/heating apparatus, an electric generator, a super charger and the like. Waste heat is dissipated from the engine by waste gases in an exhaust tube and by a cooling fluid circulating between the engine and a radiator. The inventive cooling/heating and power generating device comprises a heat absorber disposed between the engine and the radiator, a heater mounted on the exhaust tube, and an expansion turbine. A cooling medium is heated in the heat absorber by the cooling fluid of the engine, and in the heater by the waste gases in the exhaust tube. The heated cooling medium drives the expansion turbine thus providing a source of power auxiliary to the engine for driving an electric generator, a super charger, etc. After driving the expansion turbine, the cooling medium is condensed and pumped back to the heat absorber.

Abstract: This is a heat exchanger having a heating cycle part and a thermal cycle part. The heating cycle part comprises a compressor which is driven by the thermal power cycle in a heating medium circulation line connecting a radiator and an evaporator while the thermal power cycle part includes a turbo-engine in the thermal power medium circulation line connecting a condenser and an evaporator. The output shaft of the turbo-engine is connected to the compressor, and a heater as a constant heat source is provided for heating the evaporator in the thermal power medium circulation line. If the compressor is replaced with a power generator, the heat exchanger can be used as a power generator/heat exchanger of temperature-difference-driven type. The components are housed in a pressure vessel to thereby simplify the structure without necessity for a special pressure resistance structure.

Abstract: A system is provided for increasing the efficiency of internal combustion engines operating at high loads and more particularly to a multi-cylinder engine in which at least one cylinder is used as the power recovery device. The waste heat generated during operation of the engine is utilized for producing an amount of energy to perform the work by means of a Rankine cycle.

Abstract: In accordance with an illustrative embodiment of the present invention, a cogeneration facility combined with means for producing CO.sub.2 includes an internal combustion engine that drives an electrical generator, a waste heat recovery unit through which hot exhaust gases from the engine are passed to recover thermal energy in usable form, and means for conveying exhaust gases coming out of the waste heat recovery unit to a CO.sub.2 recovery unit where the CO.sub.2 is extracted and made available as a saleable byproduct.

Abstract: A liquid cryogen vaporizer is devised in which the cryogenic liquid is first partially vaporized in a cryogenic heat exchanger which is provided with heat from nonfired sources. The partially vaporized liquid cryogen is then completely vaporized in a second downstream cryogenic heat exchanger also provided with heat from the nonfired sources. The nonfired sources comprise an internal combustion engine and an ambient air heat exchanger. The internal combustion engine drives a hydraulic circuit which provides a constant load on the engine. A cryogenic pump used to flow the cryogenic liquid through the cryogenic heat exchanger is in turn hydraulically driven from this circuit. Heat is also transferred from the hydraulic circuit into a heat exchanging circuit. The heat exchanging fluid is driven around the heat exchanging circuit by means of a pump driven by the engine through the ambient air heat exchanger, a hydraulic heat exchanger and the first cryogenic heat exchanger.

Abstract: A waste-heat turbine unit is equipped with a rotating cylinder that is formed as a hollow body that carries a blading on its exterior. The blading is subjected to the exhaust gases of an internal-combustion engine that is a component of a drive assembly, particularly for motor vehicles. The blading, that is located adjacent to exhaust gas duct outlets of the internal-combustion engine, extends spirally along the cylinder. As a result, the stability of the cylinder is increased, and the heat transfer from the exterior to the interior of the cylinder is optimized, whereby the utilization of energy is improved.

Abstract: A cryogenic fluid pumping and vaporization system utilizes a heat engine to drive a cryogenic fluid pump, a coolant pump, a lube oil pump and a dynamometer, the cryogenic fluid pump and the coolant pump being driven through a hydraulic drive system, while the lube oil pump, hydraulic pump and the dynamometer are mechanically driven by the engine. Operation of the coolant pump and cryogenic fluid pump flows coolant fluid through a coolant flow circuit and flows cryogenic fluid through a cryogenic fluid flow circuit, each of these two circuits being operatively connected to a process fluid heat exchanger which transfers coolant heat to the cryogenic fluid to vaporize it. Heat from the hydraulic drive system and a lube oil flow circuit associated with the lube oil pump is transferred to the coolant flow circuit via suitable heat exchangers interposed therein. Exhaust gas heat generated by the engine is also transferred to the coolant through an exhaust gas heat exchanger.

Abstract: Disclosed are a method and apparatus for selectively generating different amounts of electric power and high pressure steam power according to the user's needs, using a fluid-cooled engine and a dual-function screw machine that may be operated as either a compressor or an expander. Fluid from a cooling jacket fluid is separated into vapor and liquid portions and, to increase the amount of high pressure steam delivered by the apparatus, low pressure steam from a separator is compressed by the screw machine and liquid from the separator is heated to a high temperature and high pressure. When additional electric power is desired, the low pressure steam from the separator is diverted from the screw machine. High pressure steam, manufactured by compressing and heating the liquid of the separator, is expanded in the screw machine, which adds its power to the main drive shaft, thereby adding to the available electric power.

Abstract: A system is disclosed which uses hydraulic oil to directly heat and/or vaporize a fluid, for example a cryogenic fluid. The hydraulic oil flow drives a pump which pumps the fluid through a heat exchanger where it is heated by the same hydraulic oil; therefore, the respective flow rates of the oil and fluid are directly proportional to one another and can be regulated so as to avoid freezing of the oil. The hydraulic oil pump is driven by the shaft power of the heat engine, which in turn gives off hot water and gaseous exhaust that may be utilized to further heat the fluid. The shaft power of the heat engine also drives a pump for pumping oil flowing in an auxiliary hydraulic oil circuit, which pump loads the engine so as to increase the temperature of the water coolant and exhaust.

Abstract: This drive unit comprises an internal combustion engine and a waste heat turbine unit wherein the energy contents of the exhaust gas are utilized. The waste heat turbine unit is provided with a rotating cylinder fashioned as a hollow member, carrying on its outside blading exposed to the exhaust gases. A medium convertible into steam is supplied by means of a device to the inside of the cylinder. This medium expands in the steam turbine unit with the generation of power.

Abstract: Heat recovery systems are useful, for example, in vehicles that generate large amounts of heat energy during operation. The heat energy is used to drive a turbine that produces useful work. In order to fully utilize the great majority of the heat energy produced, the engine exhaust is used to convert a fluid to a gas and superheat the gas to a preselected temperature at a preselected pressure. If the fluid entering the heat exchanger in the exhaust system is to cool, soot collects on the heat exchanger thus greatly reducing system efficiency. Also various oxides precipitate out of the exhaust and chemical attack the elements in the exhaust system. The present heat recovery system utilizes the heat energy from the oil cooling system to preheat all of the fluid before it reaches the exhaust system. Furthermore, the heat energy from the jacket water of the engine is used to convert a portion of the preheated fluid to a gas.

Abstract: A thermodynamic method and system is described and claimed for treating wellhead gas to recover valuable liquefiable hydrocarbon components from such gas and for utilizing the resulting dry gas as a fuel for an internal combustion engine driving a generator for the co-generation of electric power. In accordance with the invention, raw wellhead gas as a by-product of gas and oil field operations is compressed and cooled to condense the ethane and higher molecular weight hydrocarbon components of the gas and the condensed components are removed as liquefied hydrocarbon product. The remaining non-condensible methane and lower molecular weight components of the gas are used as fuel in an internal combustion engine driving a generator.