Method of increasing a flow rate of intake air to an engine
AssigneeCaterpillar Inc.
InventorGregory S. Hasler
Life of this patent
Estimating the term…
Abstract
Past air intake systems have failed to effectively and efficiently utilize the arrangement of structural components to increase boost at low engine speeds. The present air intake system effectively and efficiently utilizes the arrangement of structural components to increase boost at low engine speeds. The air intake system directs intake air through a turbocharger and evaluates the quantity of flow of intake air to the engine as compared to the flow of fuel. And, depending on the results of the evaluation, a directional control valve directs the flow of intake air to a supercharger or to the engine. The supercharger is driven by a motor having a variable rate of speed as compared to the engine.
Claims9
A method of increasing a flow rate of a flow of intake air to an engine, said engine defining a plurality of speeds, one of said plurality of speeds being a low speed and another of said plurality of speeds being a high speed, said engine further including at least a turbocharger, said steps of increasing said flow rate of intake air to said engine comprising;
- directing said flow of intake air to a turbocharger;
- compressing and densifying said flow of intake air within said turbocharger;
- monitoring said flow rate of intake air to said engine;
- monitoring a quantity of fuel to said engine;
- calculating a proportional relationship of said quantity of fuel to said flow rate of intake air;
- directing said flow of intake air from said turbocharger to at least one of a directional control valve and a supercharger depending on said calculating said proportional relationship;
- driving said supercharger with a motor;
- compressing and densifying said flow of intake air having passed through said turbocharger further within said supercharger;
- and
- directing said compressed and densified flow of intake air from said supercharger through said directional control valve prior to directing said increased flow of intake air to said engine.
A method of increasing a flow rate of a flow of intake air to an engine, said engine defining a plurality of speeds, one of said plurality of speeds being a low speed and another of said plurality of speeds being a high speed, said engine further including at least a turbocharger, said steps of increasing said flow rate of intake air to said engine comprising;
- directing said flow of intake air to a pair of turbochargers;
- compressing and densifying said flow of intake air within said turbocharger;
- monitoring said flow rate of intake air to said engine;
- monitoring a quantity of fuel to said engine;
- calculating a proportional relationship of said quantity of fuel to said flow rate of intake air;
- directing said flow of intake air from said turbocharger to at least one of a directional control valve and a supercharger depending on said calculating said proportional relationship;
- driving said supercharger with a motor;
- compressing and densifying said flow of intake air having passed through said turbocharger further within said supercharger;
- and
- directing said compressed and densified flow of intake air from said supercharger through said directional control valve prior to directing said increased flow of intake air to said engine.
Dependencies are inferred from the claim text.