Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7438038 | Cylinder liner and methods construction thereof and improving engine performance therewith A cylinder liner for an internal combustion diesel engine and corresponding method of construction and method of improving engine performance therewith has a cylindrical inner wall providing a bore extending along a central axis for reciprocation of a piston therein... | 10/21/2008 |
| 7263985 | Exhaust emission control device in internal combustion engine and heat engine Catalyst is supported at least on a part of the combustion chamber wall of an internal combustion engine. A control is provided for controlling the fuel injection equipment of the engine so that pilot fuel injection is performed prior to main fuel injection under pr... | 09/04/2007 |
| 7152572 | Internal combustion engine A high thermal efficiency lean-burn spark-ignition two or four stroke engine operable unthrottled suitable for vehicles using gasoline. It uses an indirect combustion chamber and a transfer orifice aligned to produce a jet of air moving in helical swirl motion aroun... | 12/26/2006 |
| 7107964 | Control of auto-ignition timing for homogeneous combustion jet ignition engines A method and system of controlling auto-ignition timing in an internal combustion engine cylinder in which the timing of auto-ignition in prechambers that are coupled to the cylinder is precisely controlled. The auto-ignition in the prechambers produces hot gas jets... | 09/19/2006 |
| 6931839 | Apparatus and method for reduced cold start emissions An exhaust system for an internal combustion engine having a plurality of cylinders, comprising: a exhaust manifold for providing fluid communication of exhaust of the plurality of cylinders to a catalytic converter, the exhaust manifold comprising a first exhaust p... | 08/23/2005 |
| 6698412 | Catalyst placement in combustion cylinder for reduction on NOx and particulate soot Catalyst structure, engine, and fuel injection system are disclosed, in which a catalyst structure is positioned between a fuel injector and a combustion chamber in which most or all combustion occurs. The catalyst structure typically promotes some combus... | 03/02/2004 |
| 6422008 | System for reduction of harmful exhaust emissions from diesel engines Methods and apparatus for reducing the TPM level of a diesel engine exhaust stream by providing a suitable oxidation catalyst into the exhaust train. The oxidation catalyst may be incorporated into a thermal insulative coating on the inner surface of the ... | 07/23/2002 |
| 6125813 | Prechamber combustion for a rotary diesel engine A fuel injection, ignition, and combustion system for use in a rotary internal combustion engine of the diesel type and method of power extraction is provided. The fuel combustion system includes a rotary engine with a prechamber disposed in a top center ... | 10/03/2000 |
| 5307772 | Redox catalysis of NOx in internal combustion engines The invention discloses internal combustion engines, particularly compression ignition engines such as diesel engines, having reduced nitrogen oxide emissions with concurrent reductions in particulate emissions. The invention provides a catalyst impregnat... | 05/03/1994 |
| 5297518 | Mass controlled compression timed ignition method and igniter A method and apparatus for compression timed ignition in internal combustion engines, the varying mass of the fuel-air mixture having controlling effect to retard timing by cooling a heater element to vary the current therethrough, and characterized by an... | 03/29/1994 |
| 5109817 | Catalytic-compression timed ignition A catalytic prereaction timing ignition method and igniter unit for timed ignition of a fuel-air mixture in internal combustion engines providing an ignition chamber open into the combustion chamber of the engine, there being a catalytic igniter positione... | 05/05/1992 |
| 5009207 | Internal combustion engine An internal combustion engine has a pair of first and second cylinders (12,14) communicating with a combustion chamber (20) the first cylinder having a larger swept volume than the second cylinder. First and second pistons (16,18) are provided in the cyli... | 04/23/1991 |
| 4898126 | Internal combustion engine with catalytic ignition A catalytic internal combustion engine has an air cylinder (12) and a fuel management cylinder (14) interconnected at their head ends by a combustion chamber (5) and having respective pistons (16, 18) reciprocating in phase. Petrol is injected into the fu... | 02/06/1990 |
| 4819595 | Method of operating catalytic ignition cyclic engines Disclosed is a method of operating a catalytic ignition internal combustion engine wherein the fuel is injected into a combustion chamber at a time near maximum compression such that at least part of the fuel impinges upon an oxidation catalyst surface co... | 04/11/1989 |
| 4811707 | Method of operating catalytic ignition engines and apparatus therefor Disclosed is a method of operating a catalytic ignition internal combustion engine wherein the fuel is injected into a combustion chamber at a time near maximum compression such that at least a part of the fuel impinges upon an oxidation catalyst surface ... | 03/14/1989 |
| 4773368 | Method of operating catalytic ignition cyclic engines and apparatus thereof Disclosed is a method of operating a catalytic ignition internal combustion engine wherein the fuel is injected into a combustion chamber at a time near maximum compression such that at least part of the fuel impinges upon an oxidation catalyst surface co... | 09/27/1988 |
| 4760818 | Vapor phase injector A fuel injector, system and method comprising means for ejecting fuel directly into a cylinder (14) an engine through a non-conductive, heat storing element. The element including a nozzle (44) portion comprising a preferably ceramic body having a narrow,... | 08/02/1988 |
| 4559911 | Modification of diesel engine precombustion chamber to attenuate detonation and improve combustion The precombustion chamber of a diesel engine is modified to incorporate an acoustical attenuator therein. Since the precombustion chamber is of fixed dimensions (not changed by piston movement), the acoustic nature and modification response are very power... | 12/24/1985 |
| 4425884 | Catalytic combustion engines A catalytic combustion engine, each cylinder of which has a pre-combustion chamber communicating through an inclined transfer cylinder to produce swirl around the chamber, and has a pair of spaced parallel or nearly-parallel catalytic screen elements, e.g... | 01/17/1984 |
| 4393830 | Acoustic detonation suppression in a catalytic environment in internal combustion engine A screw-in device forming an acoustical resonance absorber cavity is connected in acoustical communication with a combustion chamber of an internal combustion engine. The absorber cavity has catalytic material therein. The absorber cavity operates to acou... | 07/19/1983 |
| 4369746 | Catalytic combustion engines A reciprocating-piston internal combustion engine with catalytic combustion has associated with the or each cylinder a swirl-promoting precombustion chamber in the cylinder head connected to the space in the cylinder above the piston by an inclined transf... | 01/25/1983 |
| 4345555 | Self-heating ignition plug A self-heating type ignition plug according to the present invention includes a base portion having a fixing portion formed on an outer wall thereof and a terminal insulately provided therein and connected to an electrical source; an ignition means, integ... | 08/24/1982 |
| 4112878 | Internal combustion engine with a main combustion chamber and an auxiliary combustion chamber A spark ignited internal combustion engine includes a main combustion chamber, an auxiliary combustion chamber connected to the main combustion chamber, and fuel delivery means for supplying separate partial quantities of fuel to the main combustion chamb... | 09/12/1978 |
| 4092967 | I.C. Engines An internal combustion engine of reciprocating-piston type with injection of liquid or gaseous hydrocarbon fuel, provided with catalytic means for initiating the combustion of the air/fuel charge in the combustion chamber of the or each cylinder. The majo... | 06/06/1978 |
