Abstract: A housing for a flexible fuel sensor and method of use is disclosed. The housing comprises of a first chamber, a second chamber, and bypass passageway extending therebetween. The first chamber is configured to receive and hold the first conduit of the flexible fuel sensor. The second chamber is configured to receive and hold the second conduit of the flexible fuel sensor. The bypass passageway is configured to permit fuel to flow therethrough and thereout.

Abstract: This disclosure pertains to a device for removing air from a coolant liquid of a coolant system. The device has a body, a swirl pot having a first fluid outlet, and a pump end wall formed with the body and connected to the first fluid outlet. The pump end wall provides a second fluid outlet.

Abstract: Aircraft fuel ice capturing filter device housings, aircraft fuel ice capturing filter devices, and methods of use are provided.

Abstract: Aircraft fuel ice capturing filter device housings, aircraft fuel ice capturing filter devices, and methods of use are provided.

Abstract: A fin-assembled tube includes a helical fin arranged in an interior of a tube, wherein the tube has: a straight tube portion the center line of which extends in a substantially straight line; and a bent portion the center line of which is curved, and the helical fin is formed such that a helical pitch in an axial direction is longer in a portion positioned in the bent portion relative to the helical pitch in a portion positioned in the straight tube portion, the helical pitch being a pitch of a plate-shaped fin material twisted by a certain angle about the center line.

Abstract: An intake-air temperature controlling device is provided, which includes an engine body, an intake passage, a supercharger, a first passage, a second passage, an intake air flow rate adjuster, an intercooler, a pump, and a controller. The controller outputs a control signal to the pump so that coolant is supplied to the intercooler in a first operating range in which the intake air flow rate adjuster at least partially opens the first passage to supply intake air boosted by the supercharger to the engine body, and outputs a control signal to the pump so that the coolant is supplied to the intercooler also in a second operating range in which an engine load is below a given load, and the intake air flow rate adjuster opens the second passage and closes the first passage to supply the intake air to the engine body in a non-boosted state.

Abstract: Method and apparatus are disclosed for vehicle washer fluid delivery diagnostics and cleaning. An example vehicle includes an engine, a windshield, a camera for capturing images of the windshield, a nozzle, and a washer fluid controller. The washer fluid controller is to instruct the nozzle to spray washer fluid responsive to detecting the windshield is obstructed based upon a first image, determine whether the nozzle emitted a target spray based upon a second image, and pump pressurized air through the nozzle upon detecting the target spray was not emitted and the engine is off.

Abstract: Disclosed is a method for limiting fuel leakage from at least one injector in an engine of a motor vehicle, the engine being stopped and the motor vehicle ignition circuit being switched off, the injector being supplied with fuel via a fuel rail which is pressurized during operation, the pressurization persisting for a certain period when the engine has been stopped and the ignition circuit switched off, leading to leakage of fuel through the injector. The injection rail is subjected to forced cooling following the stoppage of the engine with the motor vehicle ignition circuit switched off, which is sufficient to reduce the pressure, the forced cooling continuing until the pressure in the rail is close to atmospheric pressure.

Abstract: A system for cooling charge air and excess fuel for a turbocharged diesel engine includes a charge air cooler having an inlet body, a heat exchanger that is disposed downstream from the inlet body and an outlet body that is disposed downstream from the heat exchanger. The outlet body defines a flow passage in fluid communication with the heat exchanger. The system further includes a fuel passage that is in thermal communication with the flow passage of the outlet body. A method for cooling excess fuel from the turbocharge diesel engine is also disclosed herein.

Abstract: The present application provides a rotary carbonator for use with a beverage dispensing system. The rotary carbonator may include an off-center carbonator chamber, a rotor positioned within the off-center carbonator chamber, and a number of vanes extending from the rotor. The vanes may define within the off-center carbonator chamber a first number of vane cavities with an increasing area and a second number of vane cavities with a decreasing area. A water inlet and a gas inlet may be positioned about the first vane cavities and a carbonated water outlet may be positioned about the second vane cavities.

Abstract: A fuel supply apparatus includes a raw-fuel tank, a separator, a heater, a cooler, and an adjustment mechanism. The raw-fuel tank is to store raw fuel. The separator is to separate the raw fuel into a first fuel and a second fuel. The adjustment mechanism is to perform adjustment of at least one of a first factor, a second factor, and a third factor so that a first temperature of the separator is set to within a predetermined first temperature range or is set to a first target temperature. The first factor includes a flow rate of the raw fuel. The second factor includes an amount by which the raw fuel is heated in the heater. The third factor includes an amount by which the second fuel is cooled in the cooler.

Abstract: According to the present disclosure, a fuel supply system having a recirculation loop is provided. The fuel supply system comprises a fuel tank; a return line coupled fluidly to the fuel tank; a fuel manifold; and a recirculation loop, wherein the return line is coupled fluidly to the recirculation loop at a first node to return fuel from the recirculation loop to the fuel tank, and the recirculation loop comprises a heat exchanger positioned downstream of the fuel manifold and upstream of the first node. The recirculation loop may comprise an orifice positioned upstream of the heat exchanger and downstream of the fuel manifold. Additionally, the fuel supply system may further comprise a supply line coupled fluidly to the fuel tank and further coupled fluidly to the recirculation loop at a second node positioned upstream of the fuel manifold and downstream of the first node.

Abstract: Presented a method and a system for improving atomization of heavy fuel oil or diesel fuel in heavy duty diesel engines, e.g. marine engines, wherein before injection into a combustion chamber the fuel is treated by gas/gases under elevated pressure of about 500 psi in an absorber; the heavy fuel oil/diesel fuel is fed to the absorber's dispensing means at a pressure of 1100 psi; a resulted fuel solution without a free gas phase is further mixed with a recirculating fuel stream forming a mixed fuel stream; the mixed fuel stream is directed for injection into a combustion chamber.

Abstract: A fuel tank for an internal combustion engine is disclosed. The fuel tank may have a first fuel compartment defining a first convex volume. The first convex volume may be configured to provide fuel having a first fuel temperature to the internal combustion engine. The fuel tank may also have a second fuel compartment defining a second convex volume. The second fuel compartment may be disposed above the first fuel compartment. The second fuel compartment may also be configured to receive excess fuel from the internal combustion engine. The excess fuel may have a second fuel temperature higher than the first fuel temperature. In addition, the fuel tank may have a fluid passage configured to fluidly connect a first gravitationally upper most portion of the first fuel compartment to a second gravitationally upper most portion of the second fuel compartment.

Abstract: A deaeration and cooling system for a fuel tank of an internal combustion engine includes an absorption refrigerator configured to cool fuel in the fuel tank. The absorption refrigerator includes a burner, an evaporator and an exhaust-gas heat exchanger. Thermal energy for operating the absorption refrigerator is obtained from the combustion of evaporated fuel. The evaporated fuel is removed from the fuel tank and supplied to the burner of the absorption refrigerator.

Abstract: A volumetric expansion assembly for increasing the volume of a gaseous fuel through electromagnetic means includes a housing that may be operationally coupled to an engine. A tubular fuel line is operationally coupled to the housing. The tubular fuel line is operationally coupled between a fuel supply and the engine. The tubular fuel line delivers the fuel to the engine. A magnetron is operationally coupled to the housing. The magnetron heats the tubular fuel line so a volume of the fuel in the tubular fuel line is increased. A tubular cooling line is operationally coupled to the tubular fuel line. The tubular cooling line is operationally coupled to a coolant supply. The tubular cooling line cools the tubular fuel line after the tubular fuel line is heated by the magnetron.

Abstract: A diesel fuel feed system comprises a diesel engine (100); a fuel cooler (102); a fuel tank (106); and a makeup valve (104).

Abstract: A process and apparatus is provided for burning liquid ammonia in an energy device such as a diesel engine, boiler or gas turbine. In particular, the process and apparatus include mixing a renewable fuel with a low flame speed and high ignition temperature, e.g., ammonia, with a combustible liquid fossil or bio-fuel and supplying the mixture into a closed fuel loop where part is efficiently burned in an engine combustion chamber, and part is used to cool the engine and returned by the loop for mixture with fresh incoming fuel mixture. The invention provides for the mixing and emulsifying in such a way that vapor lock is avoided. In the loop, the mixture is emulsified into a disperse distribution of fuel droplets such that upon injection of a portion into the combustion chamber, the renewable fuel in an emulsified droplet evaporates, mixes with the air and forms a small combustion cell surrounding the liquid fuel droplet.

Abstract: In one example, a method for controlling a fuel system with fuel is provided. The method includes, in response to an engine shutdown, increasing communication between a fuel rail and a fuel tank to increase boiling of fuel in the rail, and then decreasing the communication after the fuel rail cools.

Abstract: A diesel fuel supply circuit comprises a diesel engine (100); a fuel cooler (104); a fuel tank (102), and a valve (114). The valve (114) is operable to move the fuel cooler (104) from (1) a position within the circuit in which it cools fuel leaving the diesel engine (100) and going to the fuel tank (102) to (2) a position in which it cools fuel leaving the fuel tank (102) and going to the diesel engine (100) and vice versa.

Abstract: A fuel supply apparatus includes a raw-fuel tank, a separator, a heater, a cooler, and an adjustment mechanism. The raw-fuel tank is to store raw fuel. The separator is to separate the raw fuel into a first fuel and a second fuel. The adjustment mechanism is to perform adjustment of at least one of a first factor, a second factor, and a third factor so that a first temperature of the separator is set to within a predetermined first temperature range or is set to a first target temperature. The first factor includes a flow rate of the raw fuel. The second factor includes an amount by which the raw fuel is heated in the heater. The third factor includes an amount by which the second fuel is cooled in the cooler.

Abstract: A fuel delivery system is provided herein. The fuel delivery system may include a fuel tank storing a liquid fuel, a return fuel line including an outlet opening into the fuel tank, and a heat pipe assembly including a first end positioned in a surrounding atmosphere, and a second end positioned at and coupled to the return fuel line.

Abstract: A fuel pump temperature is regulated by selectively directing liquid fuel to an expansion section to evaporate the liquid fuel and create a drop in temperature to thermally cool the fuel pump.

Abstract: A deaeration and cooling system for a fuel tank of an internal combustion engine includes an absorption refrigerator configured to cool fuel in the fuel tank. The absorption refrigerator includes a burner, an evaporator and an exhaust-gas heat exchanger. Thermal energy for operating the absorption refrigerator is obtained from the combustion of evaporated fuel. The evaporated fuel is removed from the fuel tank and supplied to the burner of the absorption refrigerator.

Abstract: A diesel fuel supply circuit comprises a diesel engine (100); a fuel cooler (104); a fuel tank (102), and a valve (114). The valve (114) is operable to move the fuel cooler (104) from (1) a position within the circuit in which it cools fuel leaving the diesel engine (100) and going to the fuel tank (102) to (2) a position in which it cools fuel leaving the fuel tank (102) and going to the diesel engine (100) and vice versa.

Abstract: The present disclosure is directed to integrated injector/igniters providing efficient injection, ignition, and complete combustion of various types of fuels. One example of such an injectors/igniter can include a body having a base portion opposite a nozzle portion. The base portion receives the fuel into the body and the nozzle portion can be positioned adjacent to the combustion chamber. The injector further includes a valve carried by the nozzle portion that is movable between a closed position and an open position to inject the fuel into the combustion chamber. An actuator is coupled the valve and extends longitudinally through the body towards the base portion, and a driver is carried by the body and is movable between a first position and a second position. Thermochemical regeneration of waste heat produced by combustion and associated combustion events is captured and invested in endothermic reactions to improve efficiency of the combustion event.

Abstract: A diesel fuel feed system comprises a diesel engine (100); a fuel cooler (102); a fuel tank (106); and a makeup valve (104).

Abstract: A fuel cooler assembly formed in accordance with the present disclosure includes an outer tank shell, an inner tank shell disposed within the outer tank shell, and an access opening defined in the inner tank shell at a first location on the fuel tank. A fuel return cavity is defined between the inner and outer tanks shells, which is in fluid communication with the access opening. A fuel return opening is formed within the outer tank shell, which is in fluid communication with the fuel return cavity at a second location on the fuel tank.

Abstract: A fuel pump temperature is regulated by selectively directing liquid fuel to an expansion section to evaporate the liquid fuel and create a drop in temperature to thermally cool the fuel pump.

Abstract: A fuel injector system for raising fuel to its supercritical state and injecting the supercritical-state fuel to the combustion chamber of an internal combustion engine is disclosed. A plurality of injector embodiments provides alternative ways to heat the pressurized fuel to its supercritical state. Injection of supercritical fuel into the combustion chamber is known to improve fuel entrainment and reducing ignition delay to thereby increase combustion rate, which leads to an increase in fuel efficiency. According to some embodiments, the system provides for preventing coking that may otherwise occur in an exhaust gas heat exchanger used for preheating the high pressure fuel. In other embodiments, engine cold start assistance is provided by storing pressurized, heated fuel in an insulated container.

Abstract: A fuel supply system includes an energy output device, a reformer and a cooling unit. The energy output device consumes fuel, which is a compound including hydrogen, and outputs energy. The reformer decomposes fuel so as to generate hydrogen which is to be supplied to the energy output device. The cooling unit cools the hydrogen generated in the reformer.

Abstract: A method for controlling the temperature of an injector of an injection system for injecting fuel into the combustion chamber of an internal combustion engine during the standstill of the internal combustion engine involves branching off a partial amount of the fuel as flush volume between a pre-supply pump and a high-pressure pump; conducting it through a heat exchanger for heating the fuel; and feeding the heated fuel to a high-pressure fuel storage (inside the injector) so that the flush volume flows through the high-pressure fuel storage to prevent fuel from solidifying.

Abstract: A liquid fuel cooling system includes an intake line, a heat exchanger, an exhaust fine, a fuel pump, and an amount of frozen carbon dioxide. The intake line connects the heat exchanger to a fuel source, and the exhaust line connects the heat exchanger to a fuel destination. The fuel pump moves fuel from the fuel source, through the intake line, through the heat exchanger, through the exhaust line, and to the fuel destination. The frozen carbon dioxide is disposed against at least a portion of the heat exchanger to draw heat away from the fuel. Optionally, a system can include dual heat exchanger connected via a bridge line, with the frozen carbon dioxide being disposed there between.

Abstract: An internal combustion engine includes a fuel system having a first fuel rail with an integrated diverter portion coupled to a high-pressure pump and separated from a common rail portion by a flow restriction device. The first fuel rail includes a pressure sensor coupled to the diverter portion at one end and a control valve coupled to the common rail portion at the other end of the same fuel rail. In V-engine embodiments, a second fuel rail communicates with the integrated diverter portion of the first fuel rail. In one embodiment, components including the first and second fuel rails, a pressure sensor, and a pressure or volume control valve are externally mounted outside the engine valve cover.

Abstract: A method is described for cooling fuel for a diesel engine system with a common rail fuel injection system having a coolant pump and a fan. The method comprises passing a returning fuel from the engine through a fuel to coolant heat exchange system to cool the fuel, and adjusting the cooling of the fuel by controlling the coolant pump and/or the engine cooling fan.

Abstract: A method is described for cooling fuel for a diesel engine system with a common rail fuel injection system having a coolant pump and a fan. The method comprises passing a returning fuel from the engine through a fuel to coolant heat exchange system to cool the fuel, and adjusting the cooling of the fuel by controlling the coolant pump and/or the engine cooling fan.

Abstract: A method is described for cooling fuel for a diesel engine system with a common rail fuel injection system having a coolant pump and a fan. The method comprises passing a returning fuel from the engine through a fuel to coolant heat exchange system to cool the fuel, and adjusting the cooling of the fuel by controlling the coolant pump and/or the engine cooling fan.

Abstract: A flange assembly 10 is provided for a fuel supply unit of a vehicle. The assembly 10 includes a flange 12 constructed and arranged to cover an opening in a fuel tank. The flange has an interior portion constructed and arranged to be exposed to fuel. The interior portion is in communication with an outlet 15 provided at an exterior of the flange. A plastic manifold 16 is mounted to the interior portion of the flange so as to communicate with the outlet. The manifold is constructed and arranged to mount at least one fuel supply component 22 thereon.

Abstract: The present invention relates to a turbocharged internal combustion engine (ICE) system having fast response to increased power demand and reduced response time lag. The system includes a vortex tube for delivering cold air into the turbocharger compressor where it may be used to cool the impeller, and/or accelerate the impeller rotational speed, and/or favorably shift the compressor surge line at low speeds and high loads. Cold air from the vortex tube may be also used to operate an ejector pump in the intake duct which further compresses intake air and increases engine charge weight during periods of high power demand. In addition to increasing engine output power, delivery of cold air into engine intake also reduces engine pre-ignition (knocking) thereby reducing emissions. The invention also relates to a method for operating a turbocharged internal combustion engine.

Abstract: A fuel pump is disclosed wherein a substantially cylindrical plunger bore is provided with an annular drain groove fluidically coupled to a drain duct. A pump plunger is driven by a drive system located in a separate mechanical compartment that holds a reservoir of lubricating oil. An annular seal is provided adjacent the drain groove substantially at the end of the bore and retained in position by a seal support. Exemplary embodiments provide the drain groove and seal as being positioned immediately adjacent one another so that the seal forms a lower wall of the drain groove.

Abstract: In an engine 10, oxygen, hydrogen serving as fuel, and argon gas serving as a working gas are supplied to a combustion chamber 21. An upstream condenser section 70 condenses water vapor contained in an exhaust gas to yield primary condensed water, through heat exchange of the exhaust gas from the combustion chamber with the ambient air, and discharges, as a primary-condensed-water-separated gas, a gas obtained by separating the primary condensed water from the exhaust gas. The primary condensed water is stored in a water storage tank 100. A downstream condenser section 80 further condenses water vapor contained in the primary-condensed-water-separated gas to yield secondary condensed water, through utilization of latent heat of vaporization of condensed water stored in the storage tank 100, and discharges a gas obtained by separating the secondary condensed water from the primary-condensed-water-separated gas. This avoids a significant drop in ratio of specific heats of the working gas.

Abstract: A combustion engine intake air cooler system is disclosed that utilizes the vehicle air conditioning system to chill the engine intake air supply by conducting latent heat from the intake air passing through the intake air ducts using an external tubular induction coil in contact with and surrounding the air intake duct and connected to the vehicle air conditioning refrigeration system. Other embodiments include a refrigeration conduction coil located within a sealed and insulated, carburetor air breather and a refrigeration conduction coil in contact with the engine fuel line. An on board refrigerator using dry ice is also disclosed as a refrigeration system for the conduction coils when no vehicle air conditioning system is available. An intake air temperature sensing and control system is also provided.

Abstract: A fuel vapor storage and recovery system of an internal combustion engine includes a fuel tank and a filter device arranged in a tank venting line. A heat exchanger is disposed in the tank venting line. The heat exchanger cools the fuel vapors flowing from the fuel tank to the filter device and heats air that is aspirated for scavenging the filter device.

Abstract: A supercharged internal combustion engine system wherein during periods of high power demand the weight of combustion chamber charge is increased by cooling intake air in a vortex tube operated by high-pressure air from a storage tank. In addition to increasing engine output power, cold air intake also reduces engine pre-ignition (knocking) thereby reducing emissions. Included are means for sensing engine power demand and controlling the supercharging action. Output of the vortex tube may be also used to operate an ejector pump which further compresses intake air and increases charge weight. During periods of natural aspiration the ejector pump can be by-passed to reduce flow impedance. Effective supercharging is achieved even at low engine speeds. One of the objects of the invention is to obtain more power from small displacement ICE and thus providing automotive vehicles with sufficient acceleration in addition to good fuel economy.

Abstract: Novel carbide supercells for dry acetylene generation are disclosed herein, along with methods of use and internal combustion engines incorporating the carbide supercells. A carbide supercell according to one embodiment includes an outer shell defining an interior gas chamber and a rotating basket positioned in the gas chamber. The basket defines a plurality of holes and is configured to contain at least one calcium carbide rock. An injector is adjacent the basket for spraying a liquid into the basket, and a controller is in data communication with the injector for actuating the injector. A chamber outlet is adjacent an upper end of the gas chamber.

Abstract: A method for operating an internal combustion engine having a fuel pump with a drive shaft is provided, the fuel pump conveying fuel into at least one fuel-collection line, the fuel being subsequently conveyed to at least one combustion chamber via at least one fuel-injection device. In the method, a quantity of the fuel conveyed by the fuel pump into the fuel-collection line is set by means of a valve device. The valve device is configured to selectively connect a discharge side of the fuel pump to a low-pressure region of the fuel pump (during deactivation phase), and selectively disconnect the discharge side from the low-pressure region (during supply phase). In supplying the quantity of fuel, a supply rate, defined as the number of supply phases of the fuel pump per rotation of the drive shaft, is determined as a function of at least one operating parameter of the internal combustion engine.

Abstract: To provide a fuel pump mounting structural body that allows a mounting space for a fuel tank and the number of manufacturing processes to be reduced. A fuel pump mounting structural body accommodates a fuel pump unit in an opening portion disposed in a fuel tank. The structural body includes a step portion disposed in the opening portion. The step portion is formed one step lower than a wall surface of the fuel tank. A lid portion of the fuel pump unit is fittingly attached to the step portion and includes a delivery port for fuel. A guide member is disposed on a peripheral edge of the opening portion. The guide member includes a removably mounted holding member. The fuel pump unit is held in position by the fuel pump mounting structural body.

Abstract: A liquid fuel cooling system includes an intake line, a heat exchanger, an exhaust fine, a fuel pump, and an amount of frozen carbon dioxide. The intake line connects the heat exchanger to a fuel source, and the exhaust line connects the heat exchanger to a fuel destination. The fuel pump moves fuel from the fuel source, through the intake line, through the heat exchanger, through the exhaust line, and to the fuel destination. The frozen carbon dioxide is disposed against at least a portion of the heat exchanger to draw heat away from the fuel. Optionally, a system can include dual heat exchanger connected via a bridge line, with the frozen carbon dioxide being disposed there between.

Abstract: A direct injection spark ignition internal combustion engine includes a fuel injector for directly injecting fuel into a cylinder and intensifies a tumble flow using the fuel injected into the cylinder bore at a time near an intake stroke bottom dead center during homogenous combustion. The thrust force of the fuel injected from the fuel injector is set to intensify the tumble flow based on at least one of the state of the combustion chamber, the temperature of the injected fuel, and the orientation of the injection hole.

Abstract: Improved internal combustion engine, particularly, an improved two-stroke, diesel aircraft engine. A first improvement includes a wrist pin/connection rod assembly. A plurality of fasteners extend through a wall of a wrist pin and into a wrist pin insert to secure the wrist pin to a cradle-like portion of a connecting rod. A second improvement includes a fuel injection system which cools fuel injectors with overflow fuel from a fuel pump. The overflow fuel is warmed as it cools the fuel injectors, thereby preventing ice-build up on a fuel filter in cold weather as the overflow fuel is recirculated to the fuel pump. A third improvement includes a new cylinder head cooling arrangement. The cylinder head and a cooling cap define an annular cooling passageway. Cooling fluid flows through the annular cooling passageway to cool the cylinder head. The cooling cap includes an inlet port and an outlet port which are not diametrically opposed.