Ford Motor Company Limited

Laszlo Hideg

Robert P Ernest

Paul L Koller

Rogelio G Samson

Selective parametric self-calibrating control system

A very low pressure fuel injection system uses an engine driven mechanical fuel pump to supply fuel at low pressure to a fuel devaporizing chamber normally filled with liquid fuel and in which is immersed the body portion of an electronically opened fuel injector positioned to spray fuel axially into the upper end of the induction passage of an air throttling body, the chamber containing a fuel pressure accumulator and a fuel pressure regulator maintaining the fuel pressure at a level slightly below the pump delivery pressure and at the injection level, the fuel chamber being rapidly purged of vapors during engine cranking and running operations.

Low pressure low cost automotive type fuel injection system

Applicant's invention includes an improved fuel metering system which is particularly suitable for use with spark ignition and internal combustion engines controlled by digital computers programed to calculate repetitively a value representing a current transfer rate of the intake surface fuel and the calculated value being used to modify the rate at which fuel otherwise would be metered into the engine's intake passage. In particular, modification of the rate at which fuel is metered into the engine's intake passage takes into account the current equilibrium intake surface fuel quantity, the current intake system time constant, and the current actual intake surface fuel. From these quantities the current trend for rate of intake surface fuel is calculated. In a calculation of the current actual intake surface fuel, a previous value of the actual intake surface fuel is used in combination with a previous value of the transfer rate of intake surface fuel. Additionally, a clock is used to establish a time span.

Fuel metering system for an internal combustion engine

An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch emanating therefrom upon ignition; the torch is controlled to extend and penetrate deeply into the main combustion at a predetermined orientation without contact with the chamber walls. The swirling flame front of the sustained torch produces superior mixing with the unburned combustible mixture in the main combustion, particularly of a rotary engine. The prechamber is located outside the epitrochoid chamber of the rotary engine; in a nonstratified charge mode of this invention, the prechamber serves to receive a portion of the main chamber inducted charge during the compression cycle, which may be lean and difficult to ignite in the main chamber. In the prechamber, concentrated hot walls and a localized spark facilitate ready ignition, which in turn permits generation of a torch therefrom. A scavenging system and method is disclosed which serves to drive residual gas elements from the prechamber after the completion of each combustion cycle; the scavenging apparatus may be operated with an independent gas supply, a supply derived from the carburetor or intake of the engine, or from the inducted mixture within the main chamber. The scavenging system may have fuel enrichment to create a predetermined charge stratification. A fuel injection system and method is disclosed which serves to augment or act as the sole prechamber charge. Prechamber design, chamber shape, compression ratios and engine controls are arranged to reduce combustion heat losses and selected emission constituents.

Internal combustion engine control system

An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating therefrom upon ignition; the torch is controlled to extend and penetrate deeply into the main combustion at a predetermined orientation without contact with the chamber walls. The swirling flame front of the sustained torch produces superior mixing with the unburned combustible mixture in the main combustion, particularly of a rotary engine. The prechamber is located outside the epitrochoid chamber of the rotary engine; in a nonstratified charge mode of this invention, the prechamber serves to receive a portion of the main chamber inducted charge during the compression cycle, which may lean and difficult to ignite in the main chamber. In the prechamber, concentrated hot walls and a localized spark facilitate ready ignition, which in turn permits generation of a torch therefrom. A scavenging system and method is disclosed which serves to drive residual gas elements from the prechamber after the completion of each combustion cycle; the scavenging apparatus may be operated with an independent gas supply, a supply derived from the carburetor or intake of the engine, or from the inducted mixture within the main chamber. The scavenging system may have fuel enrichment to create a predetermined charge stratification. A fuel injection system and method is disclosed which serves to augment or act as the sole prechamber charge. Prechamber design, chamber shape, compression ratios and engine controls are arranged to reduce combustion heat losses and selected emission constituents.

An apparatus and method for improving the combustion process of an internal combustion engine is disclosed. A prechamber containing a combustible mixture is designed to generate a torch eminating thereform upon ignition; the torch is controlled to extend and penetrate deeply into the main combustion at a predetermined orientation without contact with the chamber walls. The swirling flame front of the sustained torch produces superior mixing with the unburned combustible mixture in the main combustion, particularly of a rotary engine. The prechamber is located outside the epitrochoid chamber of the rotary engine; in a nonstratified charge mode of this invention, the prechamber serves to receive a portion of the main chamber inducted charge during the compression cycle, which may lean and difficult to ignite in the main chamber. In the prechamber, concentrated hot walls and a localized spark facilitate ready ignition, which in turn permits generation of a torch therefrom. A scavenging system and method is disclosed which serves to drive residual gas elements from the prechamber after the completion of each combustion cycle; the scavenging apparatus may be operated with an independent gas supply, a supply derived from the carburetor or intake of the engine, or from the inducted mixture within the main chamber. The scavenging system may have fuel enrichment to create a pedetermined charge stratification. A fuel injection system and method is disclosed which serves to augment or act as the sole prechamber charge. Prechamber design, chamber shape, compression ratios and engine controls are arranged to reduce combustion heat losses and selected emission constituents.

Growing community of inventors

Dearborn, MI, United States of America

Laszlo Hideg