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| Number | Title | Issue Date |
| 7044114 | Efficient fuel dispersion device A fuel conditioning device for increasing fuel burning efficiency and reducing pollutant emissions. The device includes a hollow housing. The housing in turn includes: i) a first end for receiving a combustible liquid fuel supply and supplying it to an intermediate ... | 05/16/2006 |
| 6382177 | Fuel injection control system for a diesel engine In a direct injection diesel engine in which fuel to be sprayed during a primary injection is split and sprayed at a plurality of timings at a point of time near top dead center of a compression stroke of a cylinder, a judger judges that a completion timi... | 05/07/2002 |
| 5588416 | Fuel control system for gaseous fueled engine A fuel control system for an engine, and particularly one that employs a gaseous fuel and which controls the air-fuel ratio by a feedback control system. The feedback control system is adjusted by a corrective factor that is determined by engine running c... | 12/31/1996 |
| 5575268 | Air-fuel ratio controlling system for internal combustion engine An air-fuel ratio control system for an internal combustion engine including a carburetor having a main fuel system, a slow fuel system, a main bleed air passage leading to the main fuel system a main bleed air control passage leading to the main fuel sys... | 11/19/1996 |
| 5460149 | Carburetor kit for improved air-fuel mixture Flow passage lines are used to connect the float chamber of a conventional carburetor both to the engine's intake and exhaust manifold. The gas flow produced by the exhaust manifold provides a continuous source of positive pressure to the float chamber, w... | 10/24/1995 |
| 5309889 | Carburetor kit for improved air-fuel mixture Flow passage lines are used to connect the float chamber of a conventional carburetor both to the engine's intake manifold and to a tube positioned downstream of the radiator fan. The air flow produced by the fan provides a continuous source of positive p... | 05/10/1994 |
| 5299551 | Carburetor kit for improved air-fuel mixture Flow passage lines are used to connect the float chamber of a conventional carburetor both to the engine's intake manifold and to a tube positioned downstream of the radiator fan. The air flow produced by the fan provides a continuous source of positive p... | 04/05/1994 |
| 5251602 | Fuel supply system for gas-fueled engine Two embodiments of air/fuel ratio adjusting systems for gaseous-fueled internal combustion engines. In each embodiment, a pressure regulator supplies regulated fuel in gaseous form from a source in which it is stored in a liquid form to a charge former th... | 10/12/1993 |
| 4949692 | Automatic control of a carburetor fuel system A diaphragm type carburetor comprising a main body portion defining a venturi having an air intake side and an engine outlet side. The carburetor has a throttle shutter mounted within the venturi between the air intake side and the engine outlet side, and... | 08/21/1990 |
| 4584979 | Air-fuel ratio control system for an internal combustion engine with a three way catalytic converter An air-fuel ratio control system for an internal combustion engine having an oxygen concentration sensor for a feedback control of air-fuel ratio, including an intake air temperature sensing means and a control means for operating/stopping the feedback co... | 04/29/1986 |
| 4512304 | Method and apparatus for controlling air to gas ratio in gas engines Apparatus for controlling the air to gas ratio of fuel being supplied to a gas engine that utilizes the pressure in the inlet of the carburetor and the pressure in the intake manifold of the engine to control a regulator that is used to supply gas to the ... | 04/23/1985 |
| 4510907 | Electronic control system for controlling air-fuel ratio in an internal combustion engine There is disclosed an electronic control system for controlling a carburetor equipped with a slow-main system solenoid valve and an enrichment system solenoid valve of different control ranges whose openings are electromagnetically controlled to control t... | 04/16/1985 |
| 4417558 | Fuel feeding apparatus for internal combustion engine A fuel feeding apparatus for an internal combustion engine, in which a thermal type flow sensor is disposed in a bypass air path supplying bypass air from a point upstream of a Venturi portion formed in a main air-intake path to the Venturi portion, and t... | 11/29/1983 |
| 4380984 | Electronic controlled carburetor An electronic controlled carburetor has an induction passage into which fuel is fed by a fuel metering system communicated with the atmosphere through main and auxiliary air bleed passages. The main and auxiliary air bleed passages have therein main and a... | 04/26/1983 |
| 4363209 | Air-fuel control method and apparatus for internal combustion engine An air-fuel ratio control apparatus for an internal combustion engine comprises a carburetor for controlling the air-fuel ratio of the fuel-air mixture supplied to the engine, a thermal reactor in which the exhaust gas from engine is caused to undergo rea... | 12/14/1982 |
| 4361123 | Internal combustion engine An internal combustion engine comprising a main intake passage supplying air-fuel mixture to a combustion chamber, an auxiliary intake passage supplying air or an air-fuel mixture to the combustion chamber through an injection port, a fuel supplement pass... | 11/30/1982 |
| 4336780 | Jet control carburetor A jet control type carburetor according to the present invention includes an intake pipe having an intake passage formed in an inner wall thereof, the intake passage allowing an intake air to flow therethrough; a venturi provided in the intake pipe, for c... | 06/29/1982 |
| 4325339 | Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine A carbureting type fuel metering apparatus has an induction passage into which fuel is fed by several fuel metering systems among which are a main fuel metering system and an idle fuel metering system, as generally known in the art; engine exhaust gas ana... | 04/20/1982 |
| 4318381 | Air bleed control system improvment A control system (1) for bleeding air into the high speed and low speed fuel circuits (HS and LS) of a carburetor (C) mounted on an internal combustion engine (E). The carburetor has an air passage (AP) to which fuel is delivered to mix with air and form ... | 03/09/1982 |
| 4318869 | Carburetor In a carburetor, a linear motor assembly urges the metering apparatus against a biasing spring with a force related to the linear motor current, and an adjusting screw grounds a portion of the active turns of the biasing spring to vary its spring rate and... | 03/09/1982 |
| 4306523 | Air-fuel ratio control apparatus of an internal combustion engine An air-fuel ratio control apparatus of an internal combustion engine controls the change in the amount of fuel discharged into an intake passage downstream of a throttle valve of the engine more smoothly in accordance with the change in the amount of fuel... | 12/22/1981 |
| 4249496 | Air-fuel ratio feedback control apparatus of an internal combustion engine An air-fuel ratio feedback control apparatus of an internal combustion engine in which an air-fuel ratio of an air-fuel mixture is at first set on the lean side of the desired air-fuel ratio. Additional fuel is supplied from at least one fuel injection va... | 02/10/1981 |
| 4231335 | Control system for regulating air/fuel ratio In a system including a carburetor for regulating the air/fuel ratio fed to an internal combustion engine, a sensor is positioned in the exhaust pipe to provide a control signal indicating the amount of some exhaust gas constituent, such as oxygen. A cont... | 11/04/1980 |
| 4217314 | Carburetor and method of operation During engine operation at low induction passage pressure, a carburetor main metering rod and idle bleed valve are reciprocated between a rich position and a lean position in response to energization of a solenoid according to a pulse width modulated duty... | 08/12/1980 |
| 4203398 | Electrostatic apparatus for controlling flow rate of liquid Disclosed is an electrostatic apparatus for controlling the volume of liquid flow through a passage, without the use of mechanically moving parts comprising a pair of electrodes fixedly disposed in a liquid passage with a short distance therebetween in th... | 05/20/1980 |
| 4197822 | Circuit means and apparatus for controlling the air-fuel ratio supplied to a combustion engine A carbureting type fuel metering apparatus has an induction passage into which fuel is fed by several fuel metering systems among which are a main fuel metering system and an idle fuel metering system, as generally known in the art; electrical circuit mea... | 04/15/1980 |
| 4191149 | Carburetors for internal combustion engines A carburetor has a float chamber and a device for adjusting the gaseous pressure in the float chamber. The device comprises a pressure source and a probe contacting the exhaust gas and delivering a signal which is a function of the exhaust gas composition... | 03/04/1980 |
| 4190028 | Mixture forming assembly for closed loop air-fuel metering system The idle and main fuel passages of a carburetor are controlled by metering apparatus which is regulated to maintain the idle and part throttle air-fuel mixtures at a selected air-fuel ratio, but during low temperature engine operating conditions the part ... | 02/26/1980 |
| 4183339 | Electrostatic fuel atomizing apparatus for internal combustion engine A piston slidably received in a tubular housing is movable in response to the instantaneous flow of intake air to vary the number of small diameter tubes through which fuel can be jetted under the influence of a variable electrostatic force induced by the... | 01/15/1980 |
| 4178332 | Carburetor and method of calibration A carburetor controlled by a pulse width modulated duty cycle operated solenoid has a main metering rod and an idle bleed valve spring biased against a bracket carried by the solenoid armature. The armature is spring biased to a rich position against an a... | 12/11/1979 |
| 4153021 | Air-fuel mixture ratio correcting system for carburetor There is provided an air-fuel mixture ratio correcting system for a carburetor in which the air-fuel ratio of a mixture fed to an engine is detected whereby to control the amount of auxiliary fuel and/or the amount of auxiliary air to always control the a... | 05/08/1979 |
| 4152376 | Charge forming apparatus with variable air-fuel ratio control Charge forming apparatus in which impact of an air stream upon a stream of fuel exposed in a channel displaces fuel into the air stream to form a mixture, wherein the length of the fuel stream exposed to the air stream can be varied for controlling the pr... | 05/01/1979 |
| 4150645 | Circuit means and apparatus for controlling the air-fuel ratio supplied to a combustion engine A carbureting type fuel metering apparatus has an induction passage into which fuel is fed by several metering systems among which are a main fuel metering system and an idle fuel metering system, as generally known in the art; electrical circuit means re... | 04/24/1979 |
| 4150641 | Arrangement for controlling an air-fuel ratio of an air-fuel mixture of an internal combustion engine An arrangement for controlling the air-fuel ratio of an air-fuel mixture to be supplied to an internal combustion engine is disclosed. In the arrangement a fluidic element or fluidic elements, performing high frequency on-off control action, are arranged ... | 04/24/1979 |
| 4150647 | Feedback fuel supply control system having electrostatic flow rate regulator for internal combustion engine A fuel supply control system comprising an electrostatic apparatus which produces an electric field in a section of a fuel discharge passage to cause a variation in the fuel flow rate in this section, a flow rate detector to provide a feedback signal repr... | 04/24/1979 |
| 4136645 | Electric air-to-fuel ratio control system A function signal having a desired characteristic curve is generated through the logical operation on a vehicle speed signal indicative of the speed of a vehicle, a ratio signal indicative of the air-to-fuel of the mixture supplied to the engine mounted o... | 01/30/1979 |
| 4128088 | Apparatus and system for controlling the air-fuel ratio supplied to a combustion carburetor A carbureting type fuel metering apparatus has an induction passage into which fuel is fed by several fuel metering systems among which are a main fuel metering system and an idle fuel metering system, as generally known in the art; engine exhaust analyzi... | 12/05/1978 |
| 4109626 | Fuel supply control system with feedback fuel pipe for internal combustion engine A feedback fuel pipe is provided, between a fuel reservoir and a portion of a main fuel pipe communicating with a discharging nozzle, for controlling the amount of fuel fed back to the fuel reservoir, which control is actually performed by valve means whi... | 08/29/1978 |
| 4109623 | Regulator for auxiliary air injection at the intake of internal combustion engines A system for regulating the injection of auxiliary air into the intake of internal combustion engines includes a pressure-regulating stage feeding an intermediate compartment with an intermediate pressure proportional to that in the engine's intake manifo... | 08/29/1978 |
| 4103695 | Method of and device for controlling solenoid operated flow control means A solenoid operated fluid flow control valve having intrinsic linear or non-linear signal-to-output characteristics is controlled by a train of pulses produced by modifying a given analog signal with a dither signal having a waveform which is selected to ... | 08/01/1978 |
