Abstract: A hand-held power tool has a housing with a cylinder chamber. An internal combustion engine is arranged in the housing and the internal combustion engine has a cylinder arranged in the cylinder chamber. A device is provided that detects temperature information in the cylinder chamber when the internal combustion engine is in an inoperative state. An indicator device that indicates the temperature information is provided.

Abstract: A hydrodynamic heater is provided having a rotational member and a stationary member. The rotational member is operable to rotate relative to the stationary member about an axis so as to induce fluid shear and therefore, thermal energy to the working fluid. The hydrodynamic heater may be a component of a heat generation system comprising an internal combustion engine having a drive shaft for rotating the rotational member of the hydrodynamic heater. The heat generated by the hydrodynamic heater, as well as the heat generated by the engine from the engine exhaust and engine cooling system, is combined to heat a working fluid.

Abstract: Systems and methods are provided for selectively storing gaseous reformate output by a fuel reformer for fueling an engine. Carbon monoxide produced by a fuel reformer may be continuously combusted in the engine and/or engine exhaust rather than being stored. In one example, reformate components produced by a fuel reformer, e.g., H2 and CH4, may be stored and buffered for use by an engine.

Abstract: Engine cooling structure directs cooling air, introduced into a case by operation of a fan, to a cylinder block of an engine and then discharges the cooling air out of the case through an outlet port along meandering flow passages. Case cooling structure directs cooling along the inner surface of the case. Further cooling flow passage directs the air to vertically-oriented heat radiating fins so that the cooling air flows upward along the fins and then is discharged through the outlet port. Metal cooling-fan cover is supported by the lower cover via mounting members, and a resin-made cover guide is fastened to the engine together with supporting portions and interposed between the fan cover and the engine.

Abstract: A converter converts mechanical energy of a piston to and from electrical energy during each piston cycle.

Abstract: A piston engine has a housing and a piston. The piston is magnetically and movably disposed in the housing. A device for magnetically supporting the piston is fixedly mounted relative to the housing. A linear machine in conjunction with the magnetic bearing of the piston can prevent friction and thus result in a machine for converting mechanical into electric energy without having to lubricate and with reduced mechanical effort.

Abstract: An internal combustion engine and method of operating such an engine are disclosed. In some embodiments, the engine includes a piston provided within a cylinder, wherein a combustion chamber is defined within the cylinder at least in part by a face of the piston, and an intake valve within the cylinder capable of allowing access to the combustion chamber. The engine further includes a source of compressed air, where the source is external of the cylinder and is coupled to the cylinder by way of the intake valve, and where the piston does not ever operate so as to compress therewithin an amount of uncombusted fuel/air mixture, whereby the engine is capable of operating without a starter. In further embodiments, the piston is rigidly coupled to another, oppositely-orientated second piston, and the two pistons move in unison in response to combustion events to drive hydraulic fluid to a hydraulic motor.

Abstract: A new approach to achieving greater fuel efficiencies in the design and implementation of hybrid automotive vehicles. Efficiency and power benefits accrue from the integration of electric motor components into various components of combustion-fueled engines, thus obviating the need for much separate equipment, such as discrete electric motor(s) and gear arrangements in order to obtain hybrid operation. Among other things, a significant savings of weight in the vehicle and increased control of the coordination between combustion-fueled and electric motor propulsion of the vehicle is obtained.

Abstract: The invention provides to a cooling system and a method of cooling an engine-driven generator. The engine-driven generator includes an engine, a current generator, and a housing. The engine includes an engine air intake, and the current generator includes a generator air intake. The housing includes a first outlet, a second outlet, a first air passageway, and a second air passageway. The first air passageway is in communication with the second air passageway. The second air passageway partitions air into a first stream supplied to the engine air intake and a second stream supplied to the generator air intake. The first stream exits through the first outlet, and the second stream exits through the second outlet.

Abstract: A fluid flow control system for controlling flow of a primary fluid to a downstream flow-inducing device includes a moving fluid expander with variable expansion ratio and variable speed arranged to receive the flow of the primary fluid and to expand the primary fluid, resulting in a reduction in temperature of the primary fluid. The system further includes an optional heat exchanger arranged to receive the reduced-temperature primary fluid as well as a higher-temperature secondary fluid and to cause varying degrees of heat exchange between the primary and secondary fluids such that the secondary fluid is cooled by the primary fluid. The primary fluid is discharged from the heat exchanger and is supplied to the flow-inducing device.

Abstract: An internal combustion engine system that converts thermal energy from an exhaust of an engine to mechanical energy includes a heat exchanger thermally coupled to an exhaust from an internal combustion process. The heat exchanger receives a heat transfer fluid therein. A generator is coupled to the heat exchanger. The heat transfer fluid expands and evaporates in the generator in response to heat from the exhaust of the internal combustion process. The expansion of the heat transfer fluid vapor converts thermal energy of the heat transfer fluid to mechanical energy.

Abstract: An energy recovery system includes a main line capable of carrying the exhaust gases of an engine, at least a first and a second thermoelectric devices capable of producing electricity by Seebeck effect, the second thermoelectric device being located downstream from the first thermoelectric device, the thermoelectric devices each having an optimum temperature range and a highest admissible temperature. The optimum temperature range and the highest admissible temperature of the second thermoelectric device are lower than the optimum temperature range and the highest admissible temperature of the first thermoelectric device, respectively. The system further includes a controller for controlling the flow rate of the exhaust gases passing against the second thermoelectric device, in order to prevent the second thermoelectric device from being exposed to temperatures exceeding its highest admissible temperature.

Abstract: An internal combustion engine, and integrated electrical generator, both enclosed in a single housing. The engine has at least one cylinder and piston which extends radially from an axis of rotation about which a combination cam plate and generator armature assembly rotates to produce electrical energy as it passes a stationary electrical coil secured within the housing. The engine block, including at least one cylinder, remains stationary.

Abstract: A motor vehicle, having a drive unit which includes at least one internal combustion engine, wherein the internal combustion engine has at least two component internal combustion engines each with a crankshaft and each with a defined number of cylinders, wherein each of the component internal combustion engines each has at least one separate valve drive for actuating inlet valves and outlet valves of the cylinders of the respective component internal combustion engine.

Abstract: Described herein is an internal combustion engine including at least two part-engines, each part-engine having a respective crankshaft and a respective defined number of cylinders, and a coupling being positioned in each case between the crankshafts of part-engines positioned directly one behind the other, by means of which coupling the crankshafts of the part-engines can be coupled to one another and disconnected from one another, and the or each coupling, by means of which crankshafts of part-engines positioned directly one behind the other can be coupled and disconnected, being closable in order to couple the crankshafts only at a defined relative angular position between the respective crankshafts of the part-engines.

Abstract: A system is provided that draws heat from an open-loop engine cycle into a closed-loop working fluid circulatory system that utilizes computer-aided feedback mechanisms. The closed-loop working fluid draws engine heat from multiple sources: exhaust stack gases, the engine block, the engine transmission, and the engine headers and exhaust manifold near the valves. Heat exchangers are arranged in an ascending pattern according to the temperature of the heat at each heat generating location of the open-loop engine cycle. A wankel or similar type engine receives the heated working fluid and rotates a shaft connected to a generator to generate electricity. An electrolysis unit is powered by the generated electricity and separates water into hydrogen and oxygen. A reformation unit receives fuel such as diesel and the generated hydrogen to reform the fuel prior to injection into the engine for combustion.

Abstract: In a gas-engine-mounted working machine, a gas engine is mounted on a machine body and supplied with fuel gas from a cassette gas canister, a handle column extends rearwardly and upwardly from the machine body, and the cassette gas canister is detachably attached to the handle column. Operating handle is collapsably attached to the handle column. Collapsing-movement-preventing member is provided on the operating handle for preventing collapsing movement of the operating handle, utilizing presence of the cassette gas canister attached to the handle column, so that the collapsing movement of the operating handle is prevented as long as the cassette gas canister is attached to the handle column.

Abstract: A power transmission system for transmitting power from a crank shaft of an engine to a drive shaft of a transmission gear box via a clutch assembly is disclosed. The clutch assembly facilitates co-rotation of the crank and drive shaft when engaged and allows relative rotation between the crank and drive shaft when not engaged. The system includes an electric motor with an input/output shaft and a gear assembly coupled to the input/output and drive shaft. Rotation of the drive shaft is transmitted to rotation of the input/output shaft via the gear assembly and rotation of the input/output shaft is transmitted to rotation of the drive shaft via the gear assembly. The drive shaft is drivable by the engine via the crank shaft when the clutch assembly is engaged and is drivable by the electric motor via the input/output shaft and gear assembly when the clutch assembly is not engaged.

Abstract: The present invention relates to a power plant (10) having a piston engine (30) driving a conventional gearbox (20) dimensioned for a turbine engine, said piston engine (30) comprising a first row (31) of pistons (33) presenting an angle (?) relative to a second row (32) of pistons (33). The power plant includes a flywheel (50) and a torsion shaft (40) set into motion by said pistons (33), said torsion shaft (40) being arranged between the first and second rows (31, 32) of pistons.

Abstract: A engine driven electrical generating system and its support cradle for use in confined space enclosures with a triple redundant troubleshooting system, a triple redundant troubleshooting data transmission system, and a double redundant electric fan cooling system wherein the most common modes of motor or generator failure can be repaired quickly and easily with the genset in situ. With the most common mode of failure for a genset being overheating, enhanced fan monitoring and replacement systems have been incorporated.

Abstract: An ammonia burning internal combustion engine using ammonia as fuel comprises an ammonia feed device feeding ammonia to a combustion chamber and a temperature/pressure raising system raising the temperature or raising the pressure of ammonia fed to the ammonia feed device. The temperature/pressure raising system raises the temperature or raises the pressure of ammonia by energy produced along with the operation of the internal combustion engine. As a result, an ammonia burning internal combustion engine maintaining high energy efficiency for the internal combustion engine as a whole or a vehicle mounted with the internal combustion engine as a whole while appropriately controlling the temperature or pressure of ammonia fed to an ammonia injector is provided.

Abstract: A stationary internal combustion engine comprising a combustion engine and at least one compression device is disclosed. The combustion engine and the at least one compression device are connected to each other without vibrations being transmitted therebetween.

Abstract: Systems and methods for monitoring a fuel reformer which reforms ethanol into a reformate gas comprising H2, CO, and CH4 for fueling an engine are provided. Degradation of the fuel reformer may be indicated based on an amount of ethanol injected into the fuel reformer and an amount of at least one of H2, CO, and CH4 produced by the fuel reformer.

Abstract: The invention relates to a heat engine having a working medium cycle, comprising: an evaporator for evaporating the liquid working medium; an expander for expanding the evaporated working medium; a condenser for liquefying the expanded working medium from the expander; and a working medium pump for supplying liquid working medium to the evaporator, wherein a valve is provided for controlling the amount of working medium conveyed from the working medium pump to the evaporator.

Abstract: A device for measuring pressures inside an internal combustion engine, includes an outer housing having: a first tubular area (16) in which a lug (4) is received and a second tubular area (40) having an outer diameter larger than that of the first tubular area (16), the second tubular area (40) including an element (12) for securing the same in a bore as well as a conical bearing surface (36). The conical bearing surface (36) is formed at the end of an annular skirt (38) defining an extension of the second tubular area (40) and surrounding the first tubular area (16) while leaving a free gap (44) between the skirt (38) and the first tubular area (16).

Abstract: A method and system for waste heat recovery for conversion to mechanical energy. Exhaust is received from an engine into a first heat exchanger where heat from the exhaust is transferred to a refrigerant. The exhaust is then transferred to a regenerator module in order to produce electricity which is provided to a power box. The hot refrigerant from the first heat exchanger is transferred to a kinetic energy recovery system to produce electricity which is also transferred to said power box. The power box provides electricity to a traction motor and the traction motor turns an axle. The refrigerant is then transferred to a refrigerant cooling unit and then to a second heat exchanger wherein ambient air from the regenerator module is cooled. The refrigerant and cooled ambient air can be then transferred to an engine cooling jacket to cool the engine.

Abstract: Titania is a semiconductor and photocatalyst that is also chemically inert. With its bandgap of 3.0, to activate the photocatalytic property of titania requires light of about 390 nm wavelength, which is in the ultra-violet, where sunlight is very low in intensity. A method and devices are disclosed wherein stress is induced and managed in a thin film of titania in order to shift and lower the bandgap energy into the longer wavelengths that are more abundant in sunlight. Applications of this stress-induced bandgap-shifted titania photocatalytic surface include photoelectrolysis for production of hydrogen gas from water, photovoltaics for production of electricity, and photocatalysis for detoxification and disinfection.

Abstract: A prime mover is provided for a vehicle having a plurality of cylinder chambers, a manifold, and engine brake valves by which the cylinder chambers can be connected to the manifold. A valve or nozzle is disposed on the manifold, by which the manifold can be connected to a feed line of a compressed air treatment system.

Abstract: A control system for a vehicle that is equipped with an internal combustion engine and a generator driven by the internal combustion engine to generate electric power and that is able to supply an external device with electric power generated by the generator during a stop of the vehicle includes: a detecting unit that detects a coolant temperature of the internal combustion engine; and an efficiency control unit that controls the internal combustion engine so that, during a stop of the vehicle, an operating state of the internal combustion engine approaches an operating state where an efficiency of the internal combustion engine becomes a predetermined efficiency as a difference between the coolant temperature and a predetermined upper limit temperature increases.

Abstract: Embodiments of a welding power supply include a housing and a diesel engine disposed in the housing and adapted to output a first power output curve and a second power output curve substantially higher than the first power output curve. The welding power supply also includes a controller coupled to the diesel engine and adapted to control the diesel engine to operate along the first power output curve during a low power operation and to control the diesel engine to operate along the second power output curve during a high power operation.

Abstract: The electromagnetic device for converting fuel based combustion engine to a hybrid or electric engine comprises an encasement with one or more electromagnets to replace a head gasket of a cyclinder of the fuel based combustion engine and a magnet connected to a top of a piston associated with the head gasket. The electromagnets in the encasement are powered by a battery and/or fuel cell. The magnet on the piston interacts with the electromagnets in the encasement to push and pull the piston within the cyclinder of the engine. The electromagnetic device further comprises a processor to control a sequence of push and pull of the piston within the cylinder of the engine by controlling the electromagnets in the encasement.

Abstract: A back-carried work apparatus has a back carrier (2), which has two shoulder straps (3, 4) to carry the back carrier (2) on a back and carries a drive motor (20). The drive motor (20) is configured as a combustion engine. A fuel tank (7) for the drive motor (20) is arranged on the back carrier (2). In order to make fuel extraction possible up to the least possible amount of residual, the tank base (8, 28) of the fuel tank (7) has a lowest region which extends over less than 20% of the width (d) of the tank base (8, 28) when the shoulder straps (3, 4) are arranged on the shoulders of the operator.

Abstract: The present invention relates to A vehicle engine (100) comprising a combustion part (110), a heat engine (120) and an electrical generator (130). The combustion part (110) comprises a pellet burning unit, which is arranged to generate heat by burning pellets, said pellet burning unit is connected to said heat engine (120), which heat engine is arranged to convert heat from said pellet burning unit to kinetic energy, said electrical generator is arranged to convert said kinetic energy from said heat engine to generate electrical energy for actuating wheels of said vehicle.

Abstract: A system for gasifying a carbonaceous feedstock, such as municipal waste, to generate power includes a devolitization reactor that creates char from the feedstock and a gasifier that creates a product gas from both the char and from volatiles released when devolitizing the feedstock. The product gas is reacted in a fuel cell to create electrical energy and process heat. The process heat is used to heat the devolitization reactor and the gasifier. The gasifier comprises a plurality of configurable circuits that can each be tuned to meet the individual needs of the char material being gasified.

Abstract: A power unit (14) which has a spark-ignition engine unit (1) of the Wankel type including a three flanked rotary piston (R) mounted on an eccentric shaft (63) rotating eccentrically within a cavity within a two lobed epitroochoidal inner peripheral surface (14), the cavity including an inlet port (7) through which air at ambient pressure is induced into the working chambers, and an outlet port (45) through which exhaust gasses are exhausted from the working chambers, and the power unit also including a rotary expander unit (4) which has a two flanked rotor (24) mounted on an eccentric shaft (12) rotating eccentrically within a single lobed epitrochoidal chamber (25), both shafts (62, 63) being coupled to rotate together, and the exhaust port (45) of epitrochoidal cavity of the engine unit (1) being connected to an inlet port (26) of the expander unit (4) so that the exhaust gasses from the engine unit (1) are further expanded in the expander unit (4).

Abstract: A hydrogen fuel cell system (100) for charging a battery (116) of an electric vehicle, includes at least one tank (102) for storing hydrogen under pressure. A combined heat exchanger and air engine (104) expands the pressurized hydrogen and converts the expanding hydrogen into mechanical energy. A plurality of fuel cells (106) receive the expanded hydrogen for supplying heat to the heat exchanger and air engine (104) and supplying a first current for charging the battery (116). A generator (108) generates a multi-phase voltage in response to the mechanical energy. A electrical power converter (110) responsive to the multi-phase voltage provides a second current for charging the battery (116).

Abstract: Various embodiments of the present invention are directed to systems and methods for on-board refining of fuels within motorized vehicles. On board fuel refining is a finish-refining step that allows a fuel to be more precisely tailored to a particular vehicle and internal-combustion engine and to the current conditions under which the fuel is being used. In one embodiment, the fuel is subjected to fluid-shear forces and cavitation.

Abstract: A converter converts mechanical energy of a piston to and from electrical energy during each piston cycle.

Abstract: A pressure washer system includes a mounting platform, a water pump, and a motor mounted to the mounting platform. The water pump has a housing with an inlet and an outlet. The motor is attached to the water pump such that the motor is designed to drive the water pump. The motor is mounted vertically below the water pump.

Abstract: A pneumatic-internal combustion (IC) engine based power management system with improved energy efficiency for automobile application. More particularly, the pneumatic IC engine based power management system comprises a compressor, a pressure vessel, a pneumatic motor and related control mechanisms to provide energy on demand and reduce environmental pollution. The compressor is driven by the IC engine during low power demand by the vehicle. The lightweight pressure vessel wrapped with high strength metal wire and/or fibers provide impact resistance adequate to store compressed air at rated pressure. For low/no load condition of engine or compressor, the IC engine will shut off rather than idling to save fuel. The stored compressed air drives the air motor that powers the vehicle's initial motion and then starts the IC engine to provide continuous power. A controller monitors the power demand and actuates different system components accordingly through sensors.

Abstract: An internal combustion engine includes first and second cylinder assemblies each to repeatedly carry out combustion cycle including intake, compression, combustion with expansion, and exhaust processes. In a surcharging system of the invention, the first cylinder assembly is coupled to the second cylinder assembly in gaseous communication to apply a charge of exhaust gas produced from a first combustion cycle of the first cylinder assembly to a compression process of a second combustion cycle of the second cylinder assembly. In a supraignition system of the invention, the first cylinder assembly is coupled to the second cylinder assembly in gaseous communication to apply a charge of ignition gas produced from a first combustion cycle of the first cylinder assembly to a compression process of a second combustion cycle of the second cylinder assembly. Buffer vessels coupled in gaseous communication with corresponding cylinder assemblies are also used in surcharging and supraignition processes.

Abstract: A fuel tank for a power generator set. The fuel tank includes an angled surface that directs cooling air from the power generator set at a direction out of the generator set enclosure. In some embodiments, the fuel tank is centrally located between a pair of generator sets within a single enclosure. The fuel tank is configured in some embodiments to direct air upward out of the enclosure.

Abstract: A wall mounted domestic combined heat and power appliance comprising housing (1) containing a prime mover to generate electrical power and heat output. At least one bracket (2) at each side of the housing mounts the housing to a wall (W). Each bracket comprises a main body which is elongate in a vertical direction and has a L-shape cross section. Each extremity of the L-shape cross section has an enlarged portion (22, 23), a first (23) of which provides a spacer between the main body and the housing, and a second (22) of which provides a spacer between the main body and the wall.

Abstract: A fuel supply apparatus that supplies fuel to an internal combustion engine by injecting liquid fuel from a fuel injection valve into a suction port is configured by a microbubble generator that generates microbubbles and an ultrasonic wave generator that generates an ultrasonic wave depending on a gas in the microbubbles generated by the microbubble generator. In the fuel supply apparatus, the generated microbubbles are mixed into the liquid fuel that is supplied to the fuel injection valve, and the liquid fuel in which the microbubbles are mixed is irradiated with the ultrasonic wave depending on the driving state of the internal combustion engine. When the liquid fuel in which the microbubbles are mixed is irradiated with the ultrasonic wave, a temperature of the liquid fuel is raised instantaneously due to contraction of the microbubbles.

Abstract: The air hybrid engine with dual chamber cylinder with an air storage tank is an energy recovery unit from deceleration and breaking the vehicle and will perform as power management. During deceleration mode of a vehicle where the compressor chamber in the engine will recover energy by compressing the air and storing the compressed in a storage tank. During acceleration mode the engine will run in a mixed mode, conventional mode and air motor mode. The compressed air can also be used for starting the engine. The engine will operate in the “sweet spot” to optimize fuel consumption by using the lower chamber and or upper chamber in compression mode or an idle mode. The compressed air from the air storage tank can be used for other purposes such as air suspension and or to power pneumatic tools.

Abstract: The present invention depicts a reciprocating engine actuated by means of anaerobic fuel comprising at least one piston reversibly actuated inside a cylinder in an N-stroke operation, the piston being in communication with a crank; a feeding means adapted to introduce the anaerobic fuel to a cylinder head accommodating at least one piston and cylinder, in at least one event of each of said N-stroke; an ignition means igniting the anaerobic fuel in or adjacent to the cylinder head, whereat the piston is in at least one predetermined location in the cylinder along each of the N-strokes, so that in each stroke, a predetermined deflagration of the anaerobic fuel is actuating the crank. The invention also teaches a vehicle powered by a reciprocating engine with anaerobic fuel.

Abstract: An engine-driven generator is provided that is formed by supporting an engine (3) and a generator (4) on a frame (2), wherein the frame (2) is formed as an open periphery framework type, within this frame (2) a duct member (31) is disposed around the outer periphery of the engine (3) and the generator (4), the duct member (31) defining a series of cooling air passages (32) between itself and the engine (3) and generator (4), a cooling fan (26) is provided in the cooling air passage (32), the cooling fan (26) being driven by the engine (3), an intake box (34) having an intake opening (38) at an outer end thereof and housing an electrical component (53, 55) is connected to the upstream end of the duct member (31), and an exhaust box (68) having an exhaust opening (73) at an outer end thereof and housing an exhaust muffler (74) of the engine (3) is connected to the other end of the duct member (31). A compact engine-driven generator that enables running noise to be reduced can thereby be provided.

Abstract: An integrated multi-function, portable power and utility apparatus having a single prime mover device having a single engine device having at least two opposite extending rotary output devices wherein the engine device turns one output device clockwise and the other counterclockwise without belts, pulleys, chains or gears. An electric generator device is directly connected to one of the two rotary output devices and has a plurality of electric output devices. A fluid pumping device is directly connected to the other rotary output device. The fluid pumping device is preferably a rotary screw-type air compressor.

Abstract: According to one representative embodiment, a fluid storage device for storing a first fluid in a second fluid storage container fillable with a second fluid includes a first fluid storage container, a first fluid inlet coupled to the first fluid storage container, and a first fluid outlet coupled to the first fluid storage container. The first fluid storage container is flexible. The first fluid inlet is communicable in fluid receiving communication with a first fluid source. The first fluid in the first fluid storage container is caused to drain from the first fluid outlet based on at least one of a first fluid level, a first fluid storage container pressure, a second fluid storage container pressure, the second fluid storage container filling with the second fluid, the first fluid outlet being opened for first fluid egress, and a first fluid outlet pressure.

Abstract: The conventional spark plug of a gasoline engine is removed and replaced with a high-power spark plug capable of delivering very high power (e.g., one megawatt) over a relatively-narrow time interval (e.g., 20 nanoseconds). Next, the gasoline is replaced with a readily-available non-volatile fuel (e.g., JP-8). The gasoline—and its transportation, storage, handling and/or use—is eliminated altogether, thereby removing a strategic and tactical threat from enemy and terrorist forces who otherwise would be targeting the gasoline tanks. Additionally, or alternatively, the fuel in the line (or the fuel injector) may be heated to start a cold engine or under cold ambient temperatures.