Abstract: A charge air conditioning system, including a charge air booster, a refrigerant-to-air intercooler which is integral with the charge air booster, and a refrigeration system for supplying refrigerant to the refrigerant-to-air intercooler.

Abstract: A nozzle air injection (NAI) system and algorithm for a fuel-injected engine for increasing the flow of air into the engine. In one embodiment the NAI system takes the form of a kit comprising a controller, engine speed and throttle position sensors, a power regulator, an air compressor adapted to be rotatably driven by an electric motor to drive additional air into the engine. The controller includes a processor and sufficient memory to perform the logic steps necessary to selectively operate the compressor. In one embodiment, the controller checks the status of engine speed and throttle deflection and if the engine speed is equal or less than a first threshold value, and if the throttle deflection is greater than or equal to a second threshold value the controller instructs the regulator to send electrical power to the motor to drive the compressor to provide additional air to the engine.

Abstract: A super-chilled air induction apparatus includes a thermoelectric cooling device. The thermoelectric cooling device includes a passage for conducting air. A valve is provided to regulate the flow of cold air from the apparatus into a fuel-air mixture. A heat sink is positioned adjacent the cooling device to contribute to lowering air temperature in the apparatus. An insulator is included for maintaining the cold air temperature with in the cooling device. A temperature gauge allows an operator to determine the air temperature in the thermoelectric cooling device, and a controller allows the operator to control discharge of the super-chilled air into an air-fuel mixture.

Abstract: A method and device for changing the rate of density between fluid hydrocarbon fuels and combustion air prior to ignition and combustion in residential, commercial and industrial combustion mechanisms, by extracting heat from the mechanism's combustion zone or flue area to reduce the density of the fuel prior to delivery to the mechanism burner at a constant, pre-set operating temperature of between 100 degrees Fahrenheit and the fuel's flash point temperature, while at the same time providing means to control combustion air temperature to a level such as to increase air density and significantly changing the mass ratio of fuel mass versus combustion air mass, hence oxygen mass, without increasing combustion air volume or fuel volume, thereby improving combustion efficiency, heat transfer efficiency and reduction in harmful stack emissions.

Abstract: A secondary cooling system for a vehicular intake booster includes a fixture and an intake booster connected by a connection hole provided in the fixture, a retaining part of the fixture being fixed to a condensing pipe of an air cooling system in a vehicle; a keyway being provided at the bottom of the fixture, and a plurality of through holes being provided between the connection hole and the keyway to increase combustion efficiency by having the air to be cooled by the condensing pipe before entering into the intake manifold.

Abstract: A system to cool the charge air of an engine including a cylinder, a cylinder valve, a delivery hose, a cryogen, an aerodynamic, hollow heat exchanger with inlet and outlet ports which is charged or frozen by passing the cryogen such as nitrous oxide, carbon dioxide, nitrogen or other such gas or liquid with cryogenic properties through the device. The heat is transferred from the body of the heat exchanger to the circulating cryogen thus freezing the body of the heat exchanger. The heat exchanger is installed in the charge air flow as not to disrupt the flow and the heat from the charge air is transferred to the frozen heat exchanger as they come in contact. The heat exchanger can be installed into the existing charge air intake system or be preinstalled in an attachable segment of air charge tube that can be mounted into the current charge air intake system of an engine.

Abstract: The invention concerns a device for depolluting combustion gases set along the exhaust line of the gases. The device has a gas cooling chamber (9, 10) lowering the gas temperature to near 0 degrees Celsius. In one particular embodiment of the invention, the energy of the exhaust gases of an internal combustion engine is used for providing the cold required for the depollution process.

Abstract: A diesel engine (1) has: a flow adjuster (10) for throttling exhaust flow; an intake heater (71) for heating intake air; a thermal medium circulator (72) for circulating a thermal medium to warm the diesel engine (1); a cylinder cut-off device (73) for conducting cylinder cut-off; and a fuel injection timing advancing device (74) for advancing timing for supplying fuel to a cylinder, the respective devices being actuated at least from pre-high-idle step to a neighborhood of high-idle condition, so that fuel combustion stabilization of the diesel engine (1) can be rapidly enhanced during a period where less fuel is supplied into the cylinder and fuel combustion time is short, thus greatly reducing discharge of white smoke and possibility of engine bunching.

Abstract: An apparatus for carrying out a method for transferring thermal energy in relation to a gas traveling through a gas intake to an internal combustion engine, comprising the steps of: providing at least one thermoelectric device having at least two surfaces, concurrently dissipating thermal energy on a warmer surface and absorbing thermal energy on a cooler surface; and establishing a thermal gradient between the gas within the gas intake to the internal combustion engine and the cooler surface of the thermoelectric device.

Abstract: An air intake cooling system for an outboard motor equipped with a V-type engine. In one embodiment, the air intake cooling system has an air intake manifold and a water-cooling passageway positioned in the air intake manifold for cooling air in the air intake manifold. The system further has a water sleeve for cooling a main oil reservoir located inside the V-type engine, the water sleeve positioned next to the main oil reservoir and connected to the water-cooling passageway. The system uses water in the water-cooling passageway for cooling the air intake manifold and in the water sleeve for cooling a lubricating oil in the main oil reservoir, the water used to cool the intake manifold being the same as the water in the water sleeve.

Abstract: An automotive engine has a charge air conditioning system, including a charge booster, and a first intercooler for transferring heat from charge air flowing from the booster. The first intercooler transfers heat from the charge air to ambient air, and a second intercooler downstream from the first intercooler further reduces the heat content of the charge air by transferring heat from the charge air to a refrigerated fluid. An engine control module controls the engine's spark timing and fuel charge as a function of at least the amount of air charge cooling provided by the second intercooler. The present engine is particularly well adapted to operate on gaseous hydrogen fuel.

Abstract: An air intake cooling system for an outboard motor equipped with a V-type engine. In one embodiment, the air intake cooling system has an air intake manifold and a water-cooling passageway positioned in the air intake manifold for cooling air in the air intake manifold. The system further has a water sleeve for cooling a main oil reservoir located inside the V-type engine, the water sleeve positioned next to the main oil reservoir and connected to the water-cooling passageway. The system uses water in the water-cooling passageway for cooling the air intake manifold and in the water sleeve for cooling a lubricating oil in the main oil reservoir, the water used to cool the intake manifold being the same as the water in the water sleeve.

Abstract: A device for compressing a gaseous medium such as those used in energy generating systems or gas separation systems, including a compressor unit provided with a medium inlet, an outlet for the compressed medium and with means for the atomising of a liquid evaporation agent in the medium, wherein the atomising means include at least one flash swirl atomisation unit, arranged and mounted such that the atomised evaporation agent fragmentises by means of the formation of gas in the atomised evaporation agent.

Abstract: A diesel engine (1) has: a low adjuster (10) for throttling exhaust flow; an intake heater (71) for heating intake air, a thermal medium circulator (72) for circulating a thermal medium to warm the diesel engine (1); a cylinder cut-off device (73) for conducting cylinder cut-off; and a fuel injection timing advancing device (74) for advancing timing for supplying fuel to a cylinder, the receptive devices being actuated at least from pre-high-idle step to a neighborhood of high-idle condition, so that fuel combustion stabilization of the diesel engine (1) can be rapidly enhanced during a period where less fuel is supplied into the cylinder and fuel combustion time is short, thus greatly reducing discharge of white smoke and possibility of engine hunching.

Abstract: A vehicle operates under various ambient conditions and various operating parameters. To compensate for the ambient condition and the operating parameters an engine, an intake air temperature is controlled. One of an ambient air flow restriction system or an intake air flow restriction system is used to vary the flow of a recipient ambient air flow through an air to air or the flow of a donor intake air flow through the aftercooler respectively. A plurality of louvers are operatively moved between a closed position and an open position with the ambient air flow restriction system. And, a flapper valve is operatively moved between a closed position and an open position with the intake air flow restriction system. A controller interprets a respective signal from a plurality of sensors to define the position of the plurality of louvers or to define the position of the flapper valve.

Abstract: An engine charge air cooler system including a charge air compressing system, a refrigerant cycling system, and a charge air cooling apparatus for transferring heat from the compressed charge air of the charge air compressing system to the refrigerant fluid of the refrigerant cycling system. The charge air cooling apparatus comprises a housing with a charge air passage for charge air moving through the housing. A plurality of fins are positioned in the charge air passage. A fluid tube is provided in the housing and passes through each of the fins in a plurality of locations. Preferably, the refrigerant compressor of the system is adapted to also compress a separate flow of refrigerant fluid for an air conditioning system of the vehicle in addition to the refrigerant fluid of the system of the invention. A heating element may be provided in the interior of the housing, and may be selectively heatable for preventing accumulated moisture from freezing in the interior of the housing in sub-freezing temperatures.

Abstract: An air intake cooling device including a fireproof outer bag, a frozen material contained within the bag and a waterproof material separating the frozen material from the bag. The frozen material being contained within a waterproof receptacle which is removable from the outer bag.

Abstract: This invention is an air induction system that enables an enhanced flow of temperature-controlled, magnetically influenced forced air to the air intake of internal combustion, turbine-type, and other engines having an air intake manifold. An interior air inlet is positioned in communication with a passenger compartment of the vehicle. Additionally, or alternatively, a plenum outlet is positioned in an HVAC plenum of the vehicle. An air supply duct extends between the interior air inlet and/or the plenum outlet and the air intake manifold supplies conditioned air to the air intake manifold. Performance may be enhanced with the positioning of magnets and/or an air diverter valve into the system. As a result of the enhanced flow of magnetically influenced air and the more steady state of the temperature of the inducted air, fuel consumption and air emissions levels are reduced.

Abstract: A vehicle operates under various ambient conditions and various operating parameters. To compensate for the ambient conditions and the operating parameters of an engine, a donor intake air temperature is controlled. An ambient air flow restriction system is used to vary the flow of a recipient ambient air through an air to air aftercooler. A plurality of louvers are operatively moved between a closed position and an open position. A controller interprets a respective signals from a plurality of sensors to define the position of the plurality of louvers.

Abstract: A vehicle operates under various ambient conditions and various operating parameters. To compensate for the ambient condition and the operating parameters an engine, a donor intake air temperature is controlled. A donor intake air flow restriction system is used to vary the flow of the donor intake air through an air to air aftercooler. A valve is operatively moved between a closed position and an open position. A controller interprets a respective signal from a plurality of sensors to define the position of the valve.

Abstract: An engine cooling device including a housing having an inlet tube extending outwardly of a front wall thereof and an outlet tube extending outwardly of a back wall thereof. The inlet tube is couple with an air intake of a vehicle. The outlet tube is coupled with an air intake of an engine of the vehicle. The housing holds a quantity of water therein. A water pump is disposed within the enlarged rear section of the housing. A plurality of water sprays are secured to an interior surface of an upper wall of the housing. The water sprays are in communication with the water pump. An air filter is angularly disposed within the housing above the air inlet and below the air outlet.

Abstract: An internal combustion engine (10) comprises an engine block (12) having at least one combustion cylinder (18), an air intake port (56) and an exhaust port (58) each in communication with the combustion cylinder (18), a piston (16) reciprocatingly disposed within each combustion cylinder (18), and an exhaust stack (26) in communication with each exhaust port (58). A heat transfer system (28) has a circuit tube (32) with a first portion (34) in heat transfer relationship with the exhaust stack (26), a second portion (42) defining a heat conduction area, a flow valve (38) in the circuit tube (32), and a heat transfer agent within the circuit tube (32). A cooling system (30) has a circuit conduit (44) with a first section (52) defining a heat receiving area in thermal contact with the heat conduction area (42) of the heat transfer system (28).

Abstract: The present invention pertains to the field of engine construction and relates to internal combustion engines with scavenging and more precisely to two-stroke engines. At the beginning of the exhaust stroke, the exhaust gases are expelled from the engine cylinder through inlet and outlet ports, inlet and outlet passages and slide valves into an exhaust pipe. Scavenging ports are then uncovered by an upper edge of the piston and used to feed a fresh charge into the cylinder from the crank chamber while the cylinder cavity is scavenged. After expelling the exhaust gases from the cylinder cavity, the slide valves rotate to interrupt the communication between the cylinder cavity and exhaust manifold. Upon further rotation of the slide valves, the cylinder cavity is connected with the inlet pipe through the same gas-distribution organs used for the exhaust gas outlet, i.e. the inlet and outlet ports, the inlet and outlet passages and the slide valves.

Abstract: A multicylinder, two-stroke, radial, internal combustion engine employs a multi-blade positive-displacement pump for pressurizing a mixture of air/fuel/lubricant supplied to a plurality of cooperating cylinders. One of the pistons is connected to a master connecting rod which bears a plurality of crank pins respectively connected to the connecting rods of the other piston/cylinder assemblies of the multicylinder engine. The exhaust gases from the plurality of cooperating cylinders are collected in a common annular exhaust manifold and quietly emitted therefrom through a single exhaust port in a downward direction. A multibladed, positive-displacement pump draws an air/fuel/lubricant mixture from a carburetor through an annular volute which promotes fuel evaporation and supplies a pressurized intake flow to the cylinders via a single shared crankcase.

Abstract: A charge air management system for an automotive engine includes a charge air-to-liquid coolant heat exchanger for receiving refrigerated liquid coolant from a reservoir. The liquid coolant is refrigerated by means of an engine driven refrigerant system including a compressor, a condenser, and an evaporator mounted within the reservoir.

Abstract: For integrated handling of cooling liquids and combustion gases with the greatest avoidance of external piping, an arrangement to be attached to a cylinder head of an internal combustion engine includes a housing having a body and a cover separated along a parting plane. Inside the housing a passage for conveying intake air has an intake air cooler and intake pipes connecting thereto. Adjacent to a partition in the housing, a heat exchanger for engine cooling water is mounted in a cooler chamber which, like the passage, is covered by a housing cover.

Abstract: Apparatus for decreasing the temperature of the air entering the carburetor or throttle body of an internal combustion engine to increase the volume and efficiency of the air. A device which combines an air-to-liquid cooling surface and an air filtering system is installed as a replacement for the standard air filter. Cooling is provided by circulation through the cooler of a coolant. In automotive applications, this is accomplished by means of a closed system including a pump, reservoir, cooling tank which utilizes a standard air-conditioning dryer and/or a radiator. In marine applications, a constant supply of fresh water is supplied as the coolant using an open system. A limiting device is employed in all applications to disable the coolant circulation system when it is not needed.

Abstract: A single cam reciprocating linked piston type engine utilizes a swing-link linking mechanism to make two pistons arranged at an included angle slide alternately up and down, or utilizes a linking-rod to make two pistons arranged on an identical axis reciprocate in the same direction. Each roller mounted in the piston skirt nestles tightly on the curved surface of a cam mounted on a main shaft, so as to transform reciprocating motion of the pistons into rotation of the main shaft. The engine has eliminated an inner cam and the complicated piston mechanism as compared with a conventional double cam internal combustion engine. It features a simple and compact structure, its output torque is able to be raised twice as much, and a speed reducer matched with the engine is simple in structure. It can replace double cam engines and conventional crankshaft and connecting-rod type engines and is applicable for use as a motor in various fields.

Abstract: A crank mechanism for an internal combustion engine comprises a cylinder (1), a piston (2) reciprocable within the cylinder, and a rotatable shaft (4). The piston (2) is a drivable connection with the shaft (4) via a connecting rod (3), a drive ring (5) and a torque lobe (6). The connecting rod (3) is pivotally fixed to the piston (2), and the drive ring (5) is rigidly attached to the free end of the connecting rod (3). The torque lobe (5) is a circulate plate eccentrically mounted on the shaft (4) for rotation therewith about the axis thereof. The drive ring (5) is an annular sleeve which is a rotatable sliding fit around the rim of the torque lobe (6). The axis of the piston (2) is offset with respect to the center of the output shaft (4), whereby rectilinear movement of the piston (2) is converted to rotary movement of the torque lobe (6) or vice versa.

Abstract: On the rotary drive shaft (10) of a four-stroke engine is non-rotationally mounted a hub (11) supporting four cylinders (14) wherein pistons (16) are arranged for reciprocal movement radially towards the hub. The hub (11) is provided with a combustion chamber (25) having common inlets and outlets (26, 27) formed in a valve ring (28) rotating together with the hub (11) and sealingly abutting against a stationary port ring (30) having intake and exhaust ports (36, 37) communicating with inlet and outlet channels (34, 35) arranged alternately to assume a position in registry with the inlets and outlets (26, 27) associated with the respective combustion chamber (25). One spark plug (46) for each combustion chamber (25) is arranged to rotate with the hub (11) with the spark plug electrode end projecting into the associated combustion chamber opposite the common valve ring inlets and outlets (26, 27).

Abstract: A machine having a piston unit within a cylinder arrangement wherein each piston unit comprises a plurality of in-line pistons within their respective cylinders such that the pistons are in fluid communication with a common compression chamber and where the pistons of each unit move in unison.

Abstract: An air distributor for use between a super charger and the inlet manifold of an internal combustion engine to uniformly distribute compressed air from the super charger to the combustion chambers of the internal combustion engine and to cool the air. The distributor includes a substantially rectangular body having an enlarged opening therethrough and top and bottom surfaces. Top and bottom plates extend along and are secured to the top and bottom surfaces respectively of the body. The top plate has an air inlet opening therethrough adjacent one end thereof. The bottom plate has first and second spaced air outlet openings therethrough. A plurality of ribs are in the opening in the body and between the top and bottom plates to form air passages which distribute the flow of air from the air inlet opening substantially uniformly along the air outlet passages. The body has fins on its outer surface which serve to cool the body and the air therein.

Abstract: A cooling system for a supercharged internal-combustion engine has a high-temperature and a low-temperature circulating system, in which two charge air coolers, through which coolant of different temperature levels flows, are provided for cooling the charge air in two stages. The high-temperature circulating system comprises a main branch with the internal-combustion engine and a high-temperature recooler which is connected in series with it. So that the total quantity of coolant may be kept low and a high degree of heat exchange can be achieved while the arrangement of the pipes is simple, the coolant quantity flowing out of the secondary circulating system is admixed to a coolant flow leading to the internal-combustion engine, and the total coolant flow flowing out of the internal-combustion engine is then guided to the high-temperature recooler.

Abstract: A fluid system of an internal combustion engine has controls and a separate radiator for maintaining the temperature of incoming engine combustion air at optimum conditions.

Abstract: A turbocharged or supercharged internal combustion motive system for utilization of gaseous fuel stored as a liquid wherein the liquefied gaseous fuel is vaporized and warmed at least partially with heat removed from the compressed intake combustion air in the turbocharger or supercharger aftercooler. In a preferred embodiment, the compressed intake combustion air is first cooled in an aftercooler against an ambiently cooled coolant and is subsequently cooled in further aftercooler heat exchange passages against an intermediate coolant which transfers heat removed from the compressed intake combustion air to the liquefied gaseous fuel.

Abstract: An automobile heating system includes a turbocharger driven by the exhaust gas of an internal combustion engine and a shaft of the turbocharger is coupled to a compressor for compressing and heating ambient air to provide a heated air source for supply into the passenger compartment of the vehicle and a source of air for turbocharging the intake manifold of the automobile.

Abstract: A method and apparatus for reducing emissions from an internal combustion engine used for propelling a heavy land vehicle, for example, comprising a fuel supply tank for storing liquified natural gas and a fuel circuit for cooling compressed charge air to the engine with the heat of vaporization of the fuel. Under low load conditions fuel vapor from the tank can be consumed to avoid an excessive build-up of pressure; the engine is operated with a lean fuel/air mixture without cooling of the charge air to obtain low emissions. Non-methane hydrocarbon emissions are eliminated by stripping the natural gas of essentially all of the higher hydrocarbons during the liquification process.

Abstract: A two cycle crankcase compression internal combustion engine including an air/fuel injector unit for injecting fuel and air into the engine. Compressed air is delivered to the fuel/air injector unit from an air compressor and a heat exchanger is provided in this line for cooling the air. The cooling is sufficient to cause condensation of any water vapor in the air and the condensate is drained from the system after the engine is stopped through an electrically operated valve. This valve also serves to reduce the pressure of the air in the system when the engine is stopped so that fuel and air will not be discharged if the fuel/air injector unit is removed when the engine is shut down for servicing.

Abstract: A combustion engine comprises a plurality of cylinders. Each cylinder contains aligned pistons displaceable toward and away from one another. Rotary cam disks are connected to a drive shaft and are arranged to be contacted by respective ones of the pistons for transferring motion therebetween. Each cam disc includes a cam curve arranged to be engaged by respective pistons of each pair of pistons. Each cam curve has circumferentially spaced peaks and valleys interconnected by an interconnecting surface with which the cams make contact during a power stroke. The interconnecting surface is of concave configuration and presents a slope which progressively decreases from adjacent the peak to adjacent the valley.

Abstract: In the freezing cycle of an air conditioner for an automotive vehicle, first and second evaporators are connected to the inlet of a compressor. The first evaporator cools air to be blown into the passenger compartment of the vehicle, and the second evaporator, provided in the intake system of the vehicle engine, cools air to be taken into the engine. A pressure control valve is provided at the outlet of the second evaporator for controlling the boiling pressure of the refrigerant therein, or alternatively, the compresser may be of variable displacement type, to thereby prevent the compressor from consuming increased power during high speed operation of the engine.

Abstract: The air inlet neck, in particular for the air admission system in an internal combustion engine, comprises a mixing chamber (10) into which open a cold air admission pipe (4) and a hot air admission pipe (14). The mixing chamber (10) communicates with an outlet pipe (15) for the air of the mixing chamber. One of said pipes (4) is coaxial with the mixing chamber (10) and includes closing means constituted by flaps (5) pivotally connected to the admission pipe (4) and actuated by a cylindrical member (9) mounted to be movable between a position of complete closure of the admission pipe (4) by the flaps (5) and a position for retracting the flaps. The cylindrical member (9) constitutes means for closing the other admission pipe (14).

Abstract: A diesel engine (2) having a charge air cooler (34) is liquid cooled and employs a single heat exchanger (28) for cooling the coolant for both the cylinder block (4) and the charge air cooler (34). The engine block (4) is connected in a first cooling circuit which includes a pump (8) and a thermostatic valve (12), while the charge air cooler 34 is connected in a second circuit including the heat exchanger (28) and pump (30). When the coolant in the first circuit is below the operating temperature, the two circuits operate independently. When operating temperature is reached, the valve (12) opens to bring the two circuits partly in series, with the second circuit between the heat exchanger (28) and the first circuit at the downstream side of the heat exchanger, so that the charge air cooler (34) operates at a lower temperature than the engine cylinder block (4).

Abstract: A plate and fin type heat exchanger is provided with an improved mounting arrangement for mounting the heat exchanger, for example, within the intake manifold of a combustion engine for use as a charge air cooler. A plurality of threaded nuts are secured as by welding at predetermined points at the inboard sides of the heat exchanger side plates for receiving bolts passed through aligned bolt-receiving holes in the intake manifold and side plates to secure the heat exchanger in place, thereby providing a mounting arrangement permitting the heat exchanger to occupy substantially the entire cross-sectional area of the intake manifold for optimized heat transfer capacity.

Abstract: A charge air cooling assembly in which water pressurized by air at reduced pressure from the air brake system of a vehicle powered by a two or four cycle Diesel engine is discharged intermittently as a spray into the intake or discharge of a turbo-compressor, in response to the demand pressure on the intake manifold of an engine to lower the rate of fuel consumption of the latter and increase the torque and power output of the engine.