Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
PatentStorm News
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 |
| 4883032 | In-cylinder control of particulates and nitric oxide for diesel engine A method using concurrently and simultaneously certain control factors for in-cylinder combustion, at least two of such factors being at levels never tried before by the prior art. The combination of control factors comprises: (i) high pressure charging o... | 11/28/1989 |
| 4852525 | Combustion chamber in internal combustion engine According to the present invention, main and subcombustion chambers into which fuel is fed directly in an atomized state and in each of which a swirl is formed, are formed in communication with each other in a top portion of a piston, in order to use not ... | 08/01/1989 |
| 4799465 | Combustion chamber for internal combustion engines According to the present ivention, a combustion chamber of internal combustion engines comprises: a main combustion chamber which is created by recessing the piston top; a swirl chamber which is contiguous to said main combustion chamber via a passage; an... | 01/24/1989 |
| 4745891 | Otto cycle internal combustion engine giving increased performance Disclosed is an improvement whereby performance of an internal combustion engine, an Otto cycle engine in particular, is increased by the provision of two distinct in-piston combustion chambers (2, 3) per cylinder these take the form of pockets (4, 5) dis... | 05/24/1988 |
| 4744341 | Internal combustion engine An internal combustion engine comprising an activating chamber provided separate from a combustion chamber, a valve disposed between the activating chamber and the combustion chamber, fuel feeding means adapted to feed fuel into the interior of the activa... | 05/17/1988 |
| 4742804 | Spark-ignition engine There is disclosed a spark-ignition engine having a combustion chamber in which cavities are formed. The cavities are in communication with each other via a communication passage. Air-fuel mixture is appropriately held in the cavities. Spark plugs are dis... | 05/10/1988 |
| 4742805 | Internal combustion engine A number of embodiments of combustion chamber configurations for internal combustion engines as applied as power units for outboard motors. In each embodiment, the combustion chamber comprises a main open volume in which combustion is initiated and into w... | 05/10/1988 |
| 4721080 | Structure of combustion chamber in diesel engine In a combustion chamber structure in a direct injection type diesel engine, in order to prevent flames from flowing out to a quench zone Q from a combustion chamber (32) which opens to a top part (30a) of a piston (30) to thereby prevent cooling of the fl... | 01/26/1988 |
| 4709672 | Combustion chamber for an internal-combustion engine A combustion chamber for an internal-combustion engine of the direct fuel injection type using a volatile fuel having a low cetane number, such as alcohol. The combustion chamber comprises a main combustion chamber and an auxiliary combustion chamber whic... | 12/01/1987 |
| 4696269 | Device for improving the ignition of fuel-air mixtures in internal combustion engines A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to project into the combustion chamber of the engine a sufficient ... | 09/29/1987 |
| 4686941 | Turbulence generator for two-stroke spark-assisted diesel engines A combustion chamber for a spark assisted diesel engine embodying a main combustion chamber and an energy cell. Fuel is injected into the main chamber and into the energy cell and combustion is initiated in the main chamber. The energy cell communicates w... | 08/18/1987 |
| 4646695 | Device for improving the ignition of fuel-air mixtures in internal combustion engines A flame ignitor for internal combustion engines. This flame ignitor is, in one embodiment, an insert unit to be received in, for example, a conventional spark plug hole of an engine. It is to project into the combustion chamber of the engine a sufficient ... | 03/03/1987 |
| 4641616 | Internal combustion engine Internal combustion engine having a main combustion chamber (26) and a subsidiary combustion chamber (30) interconnected by a passageway (32) having a flow control element (34) arranged therein to cyclically vary the extent of communication provided betwe... | 02/10/1987 |
| 4566413 | Mixture-compression internal combustion engine A mixture-compression internal combustion engine has an auxiliary chamber opening into the combustion space via an injection duct, to which is allocated an ignition unit. In order to provide secure, rapid and large volume ignition of the fuel/air mixture,... | 01/28/1986 |
| 4532899 | Internal combustion engine fuel-injection system A fuel injection and precombustion chamber arrangement for internal combustion engines comprising a pair of concentric poppet valves. The outermost valve is arranged to open and close the precombustion chamber to the internal combustion engine cylinder. T... | 08/06/1985 |
| 4509476 | Spark-plug assembly for internal-combustion engine A spark-plug assembly comprises a fitting mounted on the piston cylinder of an internal-combustion engine and formed with a generally closed firing chamber, at least one firing port extending between the firing chamber and the piston cylinder for fluid co... | 04/09/1985 |
| 4444166 | Method and apparatus for reducing the operating compression ratios of compression ignition engines A method and apparatus for combusting diesel, gasoline, kerosene, alcohol and other compression ignition fuels in either direct or indirect injection compression auto ignition internal combustion engines which enables such engines to operate at low compre... | 04/24/1984 |
| 4440124 | Internal combustion engine An internal combustion engine has a cylinder with a movable piston and a cylinder head, a main combustion chamber and an additional combustion chamber, elements producing a twisted stream rotating about an axis of the additional combustion chamber, an inj... | 04/03/1984 |
| 4433659 | Precombustion chamber for internal combustion engines with compression-ignition A precombustion chamber for a compression-ignition internal combustion engine is formed in a cylindrical metal insert seated in the cylinder head. The internal cavity of the insert has a central cylindrical part which at its end adjacent the combustion ch... | 02/28/1984 |
| 4404938 | Four-stroke-cycle internal combustion engine with fuel injection In a four stroke cycle internal combustion engine, a combustion chamber is disposed above the cylinder head and is connected by a passage to the piston chamber. The piston at its top dead center almost contacts the cylinder head. Inlet and outlet valves a... | 09/20/1983 |
| 4401072 | Combustion chamber of a compression-ignition type internal combustion engine A compression-ignition type internal combustion engine comprising a combustion chamber and an accumulation chamber which are interconnected to each other via an accumulation valve. The opening operation of the accumulation valve is controlled so that the ... | 08/30/1983 |
| 4340019 | Internal combustion diesel engine An internal combustion diesel engine having a piston sliding in a cylinder and forming a main combustion chamber between the piston and the cylinder head. The cylinder head also has a pre-combustion chamber which communicates by a connecting passage with ... | 07/20/1982 |
| 4329956 | Diesel cycle engine having a precombustion chamber A diesel cycle internal combustion engine has at least one cylinder and a precombustion chamber formed by a cavity in a metal insert in the cylinder head of the engine the precombustion chamber being formed in two coaxial generally cylindrical parts the f... | 05/18/1982 |
| 4323039 | Antechamber system diesel engine An antechamber system Diesel engine including an antechamber consisting of a front chamber and a rear chamber and a communication port communicating said antechamber with a main combustion chamber wherein at least one of fuel injection ports of a fuel inj... | 04/06/1982 |
| 4300497 | Prevaporizing diesel precombustion chamber An improved diesel engine wherein fuel is preheated and vaporized within the precombustion chamber during a substantial portion of the engine cycle in which the precombustion chamber is isolated from the cylinder by an isolation valve. Compressed air from... | 11/17/1981 |
| 4248192 | Internal combustion engine and method of operation thereof with isolated combustion initiation Internal combustion engine wherein a main air fuel charge is ignited by first igniting a pilot air fuel charge and bringing the two charges together, the main charge being compressed before ignition to a higher compression ratio than the pilot charge.... | 02/03/1981 |
| 4218993 | Method and apparatus for accomplishing flame ignition for an internal combustion engine A flaming engine system for an internal combustion engine of the Otto-cycle type comprises primary and secondary pre-ignition chambers serially interposed between an engine cylinder and a spark plug, and self-actuated of means metering high combustible fu... | 08/26/1980 |
| 4175533 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main combustion chamber and an auxiliary combustion chamber which are interconnected to each other via a connecting passage. The opening of the connecting passage is arranged to be directed to the ce... | 11/27/1979 |
| 4175531 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main combustion chamber, a first auxiliary combustion chamber and a second auxiliary combustion chamber. The first auxiliary combustion chamber is connected to the main combustion chamber via a first... | 11/27/1979 |
| 4161927 | Fuel injection for divided auxiliary chamber of engine The auxiliary combustion chamber of a four-cycle stratified-charge piston engine is divided into a primary cavity and a secondary cavity. Fuel injection produces a relatively rich mixture in the primary cavity and in the secondary cavity, and the main com... | 07/24/1979 |
| 4160431 | Insert liner for divided auxiliary combustion chamber of engine The auxiliary combustion chamber of a four-cycle stratified-charge piston engine is divided into a primary cavity and a secondary cavity both formed in an insert liner received in the cylinder head. The primary cavity receives a relatively rich mixture wh... | 07/10/1979 |
| 4160432 | Internal combustion engine having main and auxiliary combustion chambers Herein disclosed is an automotive spark-ignition valve-in-head internal combustion engine of the type which has main and auxiliary combustion chambers wherein combustion is initiated in the auxiliary combustion chamber and the resultant flame squirts into... | 07/10/1979 |
| 4128092 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a first auxiliary combustion chamber formed in the cylinder head and connected to the main combustion chamber via a first connecting passage. The spark plug is located in the first connecting passage. ... | 12/05/1978 |
| 4125094 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main combustion chamber and an auxiliary combustion chamber. The auxiliary combustion chamber comprises a first and a second auxiliary chambers. The first auxiliary chamber has a spark plug therein a... | 11/14/1978 |
| 4124000 | Mixed cycle stratified charge engine with ignition antechamber A mixed cycle engine has a divided combustion chamber including a turbulence prechamber in which fuel is mixed with air and burned upon injection at compression ratios preferably between those of conventional diesel and gasoline engines. To provide positi... | 11/07/1978 |
| 4114569 | Internal combustion engine with an auxiliary combustion chamber Disclosed is an internal combustion engine comprising a main chamber and an auxiliary chamber which are interconnected with each other via a connecting passage. An annular raised portion is formed on the inner wall of the auxiliary chamber, and the auxili... | 09/19/1978 |
| 4077366 | 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 ... | 03/07/1978 |
| 4038959 | Internal combustion engine with a subsidiary combustion chamber An internal combustion engine comprising a main combustion chamber and a subsidiary combustion chamber having a spark plug. The subsidiary combustion chamber comprising a restricted opening, a first chamber and a second chamber, said chambers being interc... | 08/02/1977 |
| 3973530 | Internal combustion engine The invention is related to an internal combustion engine, the combustion chamber of which is divided into two partial chambers or two groups of partial chambers by at least one perforated separation wall to one of these chambers or groups of chambers, he... | 08/10/1976 |
