Carburetor arrangement
AssigneeTelekinetic Inc.
InventorMichael D. Winch
Life of this patent
Estimating the term…
Abstract
An improved carburetor arrangement includes a low-capacity fuel/air regulator for efficiently vaporizing rich mixtures of fuel and delivering them to a heat exchange vaporizer for heating and completely vaporizing the rich mixture prior to delivery to an engine intake. An existing conventional fuel atomization system is eliminated and replaced with main combustion air gallery. The air gallery forms a low pressure for drawing heated rich mixture from the vaporizer and subsequently mixing it with a larger amount of incoming fresh air from the gallery for forming a stoichiometric mixture. Preferably the mixture is passed through a mixing chamber before delivery to the engine intake. Preferably the fuel/air regulator is a low-capacity carburetor, such as that used for motorcycles, snowmobiles and the like.
Claims12
A carburetor arrangement for admitting vaporized fuel and stoichiometric amounts of air to an engine, the engine having an engine intake, the arrangement comprising:
- a main air gallery connected to the engine intake for admitting a majority of air therethrough for operation of the engine;
- a fuel chamber in heat communication with an exhaust chamber through which hot exhaust gas passes for forming a heat exchanger;
- a vapor exit formed between an exit from the fuel chamber and a low pressure zone in the main air gallery;
- a fuel/air regulator for metering fuel and carrier air as a rich fuel mixture into an inlet to the fuel chamber, the rich fuel mixture being heated through the fuel chamber for producing a hot vaporized fuel mixture at the vapor exit wherein, when the hot vaporized fuel mixture is combined with the majority of air through the main air gallery, a substantially stoichiometric amount of air is admitted to the engine;
- and
- a sleeve extending into the main air gallery and forming an annulus which forms the exit of the fuel chamber so that a flow of air through the sleeve forms a low pressure zone so that hot vaporized fuel mixture is drawn into the main air gallery.
A carburetor arrangement for admitting vaporized fuel and stoichiometric amounts of air to an engine, the engine having an engine intake, the arrangement comprising:
- a main air gallery connected to the engine intake for admitting a majority of air therethrough for operation of the engine;
- a sleeve extending into the main air gallery and forming an annulus therebetween;
- a fuel chamber in heat communication with an exhaust chamber through which hot exhaust gas passes for forming a heat exchanger, the fuel chamber and exhaust chamber being formed about the main air gallery;
- a vapor exit formed between an exit from the fuel chamber and at the annulus between the sleeve and the main air gallery so that a flow of air through the sleeve forms a low pressure zone so that hot vaporized fuel mixture is drawn into the main air gallery;
- and
- a fuel/air regulator for metering fuel and carrier air as a rich fuel mixture into an inlet to the fuel chamber, the rich fuel mixture being heated through the fuel chamber for producing a hot vaporized fuel mixture at the vapor exit wherein, when the hot vaporized fuel mixture is combined with the majority of air through the main air gallery, a substantially stoichiometric amount of air is admitted to the engine.
A method for admitting vaporized fuel and stoichiometric amounts of air to an engine, the engine having an engine intake, the arrangement comprising the steps of:
- metering fuel and carrier air into a fuel chamber in heat communication with an exhaust chamber through which hot exhaust gas passes for producing a hot vaporized fuel mixture;
- admitting a majority of air therethrough for operation of the engine through a sleeve extending into a main air gallery, the sleeve forming an annulus therebetween;
- drawing the hot vaporized fuel mixture through the annulus in an low pressure zone formed by the flow of the majority of the air through the sleeve and into the main air gallery at the annulus;
- and
- combining the hot vaporized fuel mixture and with the majority of air in the main air gallery for forming a substantially stoichiometric amount of air and vaporized fuel being admitted to the engine intake.
Dependencies are inferred from the claim text.