Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8033167 | Systems and methods for providing a catalyst A system for providing a catalyst to a first flow of gas. The first flow of gas has an operating pressure. A pipe carries the first flow of gas from a compressor of a turbocharger to a combustion chamber. The operating pressure of the first flow of gas varies in acc... | 10/11/2011 |
| 7806111 | Internal combustion engine An internal combustion engine having at least one piston cylinder comprising a housing enclosing twin gas injectors and having two inlet openings for separate supply of hydrogen gas and oxygen gas to a combustion chamber of the piston cylinder, two pressure-controll... | 10/05/2010 |
| 7527048 | Catalytic combustion surfaces and method for creating catalytic combustion surfaces A coating and coating process to improve the efficiency of hydrocarbon fueled engines, wherein the coating includes a high percentage of nickel to create a reaction which improves the combustion efficiency of the hydrocarbon fuel. The coating may also include chromi... | 05/05/2009 |
| 7331535 | Injection nozzle An injection nozzle for use in delivering fuel to a combustion space, the injection nozzle comprising a nozzle body, at least a part of which is provided with a first coating arranged so as to reduce the temperature of at least a part of the nozzle body, in use. The... | 02/19/2008 |
| 7278410 | Hydrocarbon adsorption trap for controlling evaporative emissions from EGR valves The present invention is directed to the use of an improved hydrocarbon adsorbent coating for the treatment of exhaust emissions from a motor vehicle. More specifically, the hydrocarbon adsorbent of the present invention can be coated to any surface area of an exhau... | 10/09/2007 |
| 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 |
| 7188470 | Combustion process The combustion process is carried out in presence of a primary catalyst coating which is treated when required by means of cerium/europium compound in presence of water vapor and advantageously in presence of a refractory material, such as a clay, a hydrated clay. | 03/13/2007 |
| 7077115 | Direct injection gaseous fuel engine with ignition assist An internal combustion engine and a method of operating same are provided with direct injection of gaseous fuel into a combustion chamber and an ignition assist apparatus disposed within the combustion chamber. An ignition assist apparatus disposed within the combus... | 07/18/2006 |
| 6971258 | Particulate matter sensor A sensor for detecting particulate matter in an exhaust stream of an engine. The sensor may be a spark-plug-like device having an extended center electrode composed of a stainless steel or other material. The electrode may have a thin passivating layer formed on it.... | 12/06/2005 |
| 6944530 | System and method for air flow and EGR flow estimation An exhaust gas recirculation system directs exhaust gasses from an exhaust manifold to an intake manifold of an internal combustion engine. The exhaust gasses travel from the exhaust manifold, first passing through a flow control valve and then through a measuring o... | 09/13/2005 |
| 6932066 | Engine's cylinder having a layer coated with nano-gold and nano-titanium to the inner wall thereof An engine's cylinder having a layer coated with nano-gold and nano-titanium to the inner wall thereof. An excellent catalysis can be achieved due to the fine structure and the surface effect of the nano-gold and the nano-titanium as catalyst. ... | 08/23/2005 |
| 6886548 | Internal combustion engine An internal combustion engine having a cylinder and a piston movable in the cylinder, the cylinder and piston defining a combustion chamber enclosed by the cylinder and the piston, a surface of at least one of at least one component of the combustion chamber and an ... | 05/03/2005 |
| 6770105 | Method and device for treating fuel A fuel catalyst for improving combustion efficiency is provided that includes at least one hydride producing element, and at least one element of greater activity on the electrolytic scale than the hydride producing element and at least one element of lesser activit... | 08/03/2004 |
| 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 |
| 6655369 | Catalytic combustion surfaces and method for creating catalytic combustion surfaces A coating and coating process to improve the efficiency of hydrocarbon fueled engines, wherein the coating includes a high percentage of nickel to create a reaction which improves the combustion efficiency of the hydrocarbon fuel. The coating may also inc... | 12/02/2003 |
| 6606983 | Ferrous pistons for diesel engines having EGR coating A corrosion resistant piston for use in an exhaust gas recirculation diesel engine. The piston includes a crown portion having ring grooves formed around a periphery of the crown portion. The ring grooves are separated by ring lands. The piston also inclu... | 08/19/2003 |
| 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 |
| 6240912 | Method for in-cylinder catalytic oxidation of hydrocarbons in direct injected spark ignition engines Hydrocarbon emissions from direct injected spark ignition engines are reduced as a result of post-flame oxidation by a catalytic material deposited on the top of a piston disposed in the engine.... | 06/05/2001 |
| 6189317 | Apparatus for controlling internal combustion engine An apparatus for controlling an internal combustion engine has an amount-of-intake-air control unit for generating a command value for the opening of a flow control valve in an intake passage of the engine, which emits exhaust gases through a catalytic co... | 02/20/2001 |
| 6058918 | Combustion catalyst device for an internal combustion engine A combustion catalyst device for an internal combustion engine of the type including an engine unit a cylinder head, and a cylinder head gasket, including multilayered crimp or crimpless seals arranged therebetween, and cylinders, each housing a moving pi... | 05/09/2000 |
| 6044830 | Scandia, yttria-stabilized zirconia for ultra-high temperature thermal barrier coatings A composite structure includes a self-supporting substrate and a thermal barrier coating of zirconia stabilized with scandia and yttria. A method of protecting the surface of a self-supporting substrate from degradation caused by exposure to temperatures ... | 04/04/2000 |
| 5987882 | 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 ... | 11/23/1999 |
| 5891584 | Coated article for hot hydrocarbon fluid and method of preventing fuel thermal degradation deposits Articles for hot hydrocarbon fluid wherein the surface for contacting the fluid is a diffusion barrier material or a catalytic material coated on a metal substrate. The material is either catalytically-inactive tantalum oxide which inhibits the formation ... | 04/06/1999 |
| 5806483 | Combustion method for internal combustion engine A combustion method for an internal combustion engine which prevents the occurrence of engine knock and improves fuel consumption and economy, by spray injecting part of the fuel used in one cycle into a combustion chamber, performing preliminary combusti... | 09/15/1998 |
| 5738692 | Fuel treatment device A fuel treatment device treats fuel prior to combustion in order to improve combustion efficiency and reduce exhaust emissions in hydrocarbon fuel burning systems. The fuel treatment device includes at least one element comprising tin, antimony, lead and ... | 04/14/1998 |
| 5425236 | Catalyzer arrangement for the exhaust gases of an internal combustion engine A catalyzer arrangement for the exhaust gases of an internal combustion engine in which the catalyzer body (6, 7) is formed from a weave, knit or fabric of metal fibers, metal chips, metal wires, metal powder or a mixture of them which is pressed together... | 06/20/1995 |
| 5113806 | Bicatalytic igniter converter and processor for internal combustion engines An improved combustion igniter for internal combustion engines is disclosed, comprising a conventional spark plug improved through the addition of (a) an upwardly facing generally vertical wire element secured to the negative cathode of the spark plug and... | 05/19/1992 |
| 4972811 | Ignition device with lowered ignition temperature An ignition system comprising one of a glow plug, spark plug and glow attachment having metal or ceramic surfaces which are exposed to a fuel/air mixtuer, and are at least partially covered with a coating comprising at least one complex metal oxide obtain... | 11/27/1990 |
| 4905658 | Method of operating I.C. engines and apparatus thereof Operation of in-cylinder fuel injected internal combustion engines is improved by use of exhaust valves having an effective ignition catalyt on the valve face. In operation of the engine, fuel is injected into air and ignited by contact with the valve fac... | 03/06/1990 |
| 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 |
| 4550707 | Method for improving the performance of an internal combustion engine, device for implementing the method, and internal combustion engine equipped with said device A method and apparatus for improving the performance of an internal combustion engine in which a piston (10) has a hollow head (11) within the cavity of which there is mounted an open topped frusto-conical bulbous casing (13), the opening of which is cove... | 11/05/1985 |
| 4530340 | Acid catalyzed combustion The combustion zone of an internal combustion engine is provided with a catalyst which is incorporated in the combustion zone as a thin layer placed on the internal cylinder walls and/or the top surface of the piston and/or on surfaces of the spark plug w... | 07/23/1985 |
| 4445467 | Two-cycle stratified charge gas engine A two-cycle, gas-powered engine which is capable of operating over a wide range of loads including those (e.g. idle speed) which have previously caused misfirings in known engines of this type. A specially constructed head and piston assembly and a govern... | 05/01/1984 |
| 4389983 | Prechamber catalytic ignition system This invention relates to internal combustion engines and particularly to igniting the fuel/air mixture of the engine. In more detail a catalytic engine comprises one or more cylinders, each cylinder having an associated piston and an entry port disposed ... | 06/28/1983 |
| 4223645 | Combustion chamber of an internal combustion engine An internal combustion engine comprising a combustion chamber and an accumulation chamber which are interconnected to each other via an accumulation valve. The accumulation chamber is filled with catalyzer pellets for reforming the combustible mixture acc... | 09/23/1980 |
| 4185593 | Transformation of electrical energy to physical energy An improved means and process for providing for the removal of hydrogen from a catalytic cathode means whereby the hydrogen may be recombined with oxygen to provide explosive force to power an internal combustion engine.... | 01/29/1980 |
| 4011839 | Method and apparatus for promoting combustion in an internal combustion engine using a catalyst An internal combustion piston engine utilizing a catalyst to promote combustion and not requiring spark ignition. A catalyst member is provided within the engine cylinder. Air is supplied to the cylinder and is compressed by a piston. At or near the point... | 03/15/1977 |