| Patent Number |
Title Of Patent |
Date Issued |
| 7380525 |
Method of operating an internal combustion engine |
June 3, 2008 |
| A method is disclosed for operating an internal combustion engine of the type having an engine cylinder with a reciprocating piston, first and second intake ports for admitting gas from an ambient air supply into the engine cylinder, first and second intake valves each arranged between a |
| 7076360 |
Auto-ignition timing control and calibration method |
July 11, 2006 |
| An auto-ignition timing control and calibration method for use in an internal combustion engine having more than one ignition modes including the mode of compression ignition of a premixed fuel/air mixture (CAI/HCCI), wherein when the engine is operating in the CAI/HCCI mode, in orde |
| 6681751 |
Engine with controlled auto-ignition |
January 27, 2004 |
| A multi-cylinder internal combustion engine is described in which each cylinder is capable of operating within a predetermined auto-ignition torque/speed range. Selected cylinders are disabled when the average cylinder torque lies below the auto-ignition torque/speed range so as to r |
| 6311649 |
Internal combustion gasoline engine |
November 6, 2001 |
| An internal combustion engine includes a fuel storage tank, a fuel pump for drawing liquid fuel from the storage tank, a distillation unit for producing from the fuel drawn from the storage tank a plurality of flow streams of different volatility, and an engine management system for |
| 6308682 |
Gasoline internal combustion engine |
October 30, 2001 |
| A spark ignition gasoline internal combustion engine separates a gasoline fuel supply into a higher boiling point fraction and a lower boiling point fraction, supplies the boiling point fractions to combustion chambers of the engine, and introduces the separate boiling point fractions in |
| 6305364 |
Internal combustion engine and operation thereof |
October 23, 2001 |
| An engine is described that has a variable valve timing system. Under low and medium load operation of the engine, the valve timing system sets an prolonged valve overlap period and fuel is injected predominantly during this prolonged overlap period either into the intake ports or direct |
| 6267937 |
Heating of a storage trap |
July 31, 2001 |
| A lean NOx trap in an exhaust system of a spark ignition internal combustion engine having a three-way catalyst upstream of the lean NOx trap, and the lean NOx trap connected in series along the exhaust system is heated by modulating the air to fuel ratio (AFR) of the engine cyclical |
| 6227151 |
Gasoline internal combustion engine |
May 8, 2001 |
| The invention relates to a gasoline internal combustion spark ignition engine having a fuel fractioning system that separates the gasoline fuel by boiling point into at least two, preferably three, fractions. The different fuel fractions are separately supplied to the combustion chamber |
| 6167865 |
Intake system for an internal combustion engine |
January 2, 2001 |
| An intake system for an internal combustion engine includes an intake manifold having a plenum connected to ambient air by a main throttle and branches leading from the plenum to an intake port of each cylinder. A storage pipe is connected and parallel with each of the intake manifold |
| 6158414 |
Mode control for lean burn engines |
December 12, 2000 |
| An intake system with multiple throttles, arranged in series, is disclosed for use in a lean burn, gasoline engine. The arrangement has the facility to provide air-fuel ratios which are: leaner than stoichiometric at the light load region of the operating map, stoichiometric at the high |
| 6092512 |
Internal combustion engine |
July 25, 2000 |
| A lean burn internal combustion engine includes an intake port. The intake port supplies an intake charge to the combustion chamber and exhaust gases are discharged through an exhaust port. Fuel is supplied by a fuel injector for dispersion within the air drawn into the combustion chambe |
| 6085712 |
Stratified charge engine |
July 11, 2000 |
| An internal combustion engine is described comprising a cylinder having an intake port [14], and two manifolds [24, 34] having branches [22, 32] that are configured to supply two gas streams to the intake port [14] of each cylinder. The two streams enter the cylinder separately so as to |
| 6073600 |
Stratified charged engine |
June 13, 2000 |
| A stratified charge internal combustion engine comprises at least one cylinder having at least one intake valve 14 per cylinder, and two manifolds 24, 34 having branches 22, 32 supplying first and second gas streams to at least one intake valve of each cylinder. The two streams enter |
| 6023929 |
Engine with cylinder deactivation |
February 15, 2000 |
| A multi-cylinder spark ignition internal combustion engine is described having two banks of cylinders 10a, 10b. One bank of cylinders may be selectively disabled by cutting off its fuel supply while continuing to receive air. The exhaust system includes an NO.sub.x trap 20 to store N |
| 6014959 |
Engine with EGR management system |
January 18, 2000 |
| A spark ignition internal combustion engine is provided including an intake manifold. A main throttle regulates the intake of ambient air into the intake manifold. An EGR pipe is connected between a point in the intake manifold downstream of the main throttle and a point in the exhaust s |
| 5915354 |
Stratified charge engine |
June 29, 1999 |
| An intake system for an internal combustion engine is described having an intake port 120 divided by a twisted partition wall 123 into two helical channels 121, 111; 122, 112. The end of the partition wall 123 adjacent the intake valve 113 lies in a plane generally perpendicular to the s |
| 5870998 |
Mixture preparation in a spark ignited engine |
February 16, 1999 |
| An internal combustion engine is described having one or more combustion chambers 10 each having an intake port 16, a fuel injector assembly 30 for injecting fuel into the intake port 16 and means 20, 22, 24, 26 for supplying pressurised gas to assist in fuel atomisation of the fuel |
| 5791302 |
Engine with variable compression ratio |
August 11, 1998 |
| A variable compression ratio internal combustion engine has a piston connected to a crank pin on the crankshaft by means of a connecting rod formed in two parts, with the first part being rotatably secured to the crankshaft, and the second part being rotatably secured to a gudgeon pin |
| 5765525 |
Intake system for an internal combustion engine |
June 16, 1998 |
| An intake system is described for a spark ignition internal combustion engine having ports per cylinder, which may lead to a common intake valve or two separate intake valves. One of the intake ports (12) is shaped to direct a first flow tangentially near the outer periphery of the cylin |
| 5666928 |
Compressed gas supply |
September 16, 1997 |
| The present invention relates to a compressed gas supply system in an internal combustion engine which may be used for example for an air-assisted or an air-driven fuel injector. |
| 5655364 |
Control system for an internal combustion engine |
August 12, 1997 |
| A control system (14) is described for an internal combustion engine having a catalytic converter and a heater (12) for raising the temperature of the catalyst in the catalytic converter. The control system comprising an electrical circuit (16) for estimating, rather than measuring, the |
