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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7874070 | Injection valve and method of making orifice An injection valve has a nozzle body, a valve needle positioned in the nozzle body, an actuator for actuating the valve needle, and an orifice plate fixed at an end of the nozzle body. The orifice plate has a valve seat for cooperating with the valve needle and an o... | 01/25/2011 |
| 7793417 | Process for producing electromagnetic fuel injection valve A process for producing an electromagnetic fuel injection valve is provided, the electromagnetic fuel injection valve having a structure in which a valve assembly formed by coaxially joining a movable core and a valve body is spring-biased toward the side on which t... | 09/14/2010 |
| 7716828 | Method of manufacturing throttle body, and throttle body A resin main body (3) defining a bore (7) through which intake air flows, and a valve body (60) having a shaft part (20) rotatably supported by the main body (3) and a valve part (4) for opening and closing the bore (7 | 05/18/2010 |
| 7610677 | Method for manufacturing a throttle valve unit A method for optimizing the friction, wear, and function of an injection-molded throttle valve unit, including a throttle valve housing and a throttle valve that can move in relation to it. The throttle valve housing is injection molded out of a first plastic materi... | 11/03/2009 |
| 7418781 | Method for production of a throttle valve in a continuous throttle valve connector A peripheral, annular groove is incorporated into a throttle valve connector in one step. A first die and a second die are then inserted into the throttle valve connector and a first plastic material is introduced into a first cylindrical cavity formed thereby in a ... | 09/02/2008 |
| 7401586 | Valve seat rings made of basic Co or Co/Mo alloys, and production thereof A cylinder head for internal combustion engines, comprising a metallic valve seat ring that is formed by a thermally sprayed homogeneous layer made of a basic Co or Co/Mo alloy. The sum of the Co content and Mo content in the alloy exceeds 50 percent by weight while... | 07/22/2008 |
| 7328507 | Simultaneous forming method of throttle body and throttle valve An electrically controlled throttle apparatus is constructed with a throttle body and a throttle valve that are simultaneously molded of a resinous material in the same molding dies. The throttle valve is rotatably assembled in a bore wall part of the throttle body ... | 02/12/2008 |
| 7308760 | Method of making a valve lifter A valve lifter and a method of manufacture thereof is provided in which sliding properties of a cam on a cam-contacting sliding surface in an upper surface of a valve lifter are improved by forming the cam-contacting sliding surface as a concave surface to permit re... | 12/18/2007 |
| 7290319 | Methods for installing a fuel pellet locking retainer in a nuclear fuel rod A method for installing a locking retainer in a tube to maintain internal components within the tube under compression comprising the steps of: a) providing an elongated retainer spring having large and small diameter sections with the large diameter section of a si... | 11/06/2007 |
| 7284534 | Intake apparatus and manufacturing method for the same An intake apparatus includes housings each defining an intake passage therein. The intake apparatus further includes valve members each being provided to each housing for communicating and blocking the intake passage. A shaft extends through the housings. The shaft ... | 10/23/2007 |
| 7228836 | Spring retainer and method for manufacturing the same A spring retainer formed from a titanium alloy and comprising a cylinder and a brim formed integrally with the cylinder is disclosed. The brim has on a top thereof a slope formed such that a thickness of the brim decreases radially outwardly. ... | 06/12/2007 |
| 7225781 | Methods for surface treating engine valves and engine valves treated thereby The present invention teaches a method for surface treating an engine valve made from titanium or titanium alloy in order to form a hardened coating having a high level of adhesion to the surface of the engine valve, and also having improved abrasion and impact resi... | 06/05/2007 |
| 7182056 | Inverted poppet valve for internal combustion engine A poppet valve for use in an internal combustion engine. The poppet has a partially-inverted perimeter shape which nevertheless substantially maintains the curtain area of the valve. These improved valves pack more efficiently into the combustion chamber roof area t... | 02/27/2007 |
| 7107678 | Forming method of throttle apparatus for internal combustion engine A throttle valve and the throttle body are formed substantially simultaneously in the same dies. The melted resin is injected in to a cavity through a pair of valve gates. The valve gates are symmetrically located with respect to the throttle valve shaft. A deformat... | 09/19/2006 |
| 7107679 | Forming method of throttle apparatus for internal combustion engine A throttle valve and the throttle body are formed substantially simultaneously in the same dies. When a movable die moves away from a fixed die, a body ejector pin, a valve ejector pin, and a motor housing ejector pin simultaneously push a bore wall of the throttle ... | 09/19/2006 |
| 7089663 | Forming method of throttle apparatus for internal combustion engine A throttle valve and the throttle body are formed substantially simultaneously in the same dies. The melted resin is injected in to a cavity through a pair of valve gates. The gas evaporated from a melted resin and remaining air in the cavity are expelled from the c... | 08/15/2006 |
| 7013692 | Valve guide grooving tool A tool for grooving an outer surface of a valve guide comprising a tool body, a tightening nut disposed about a portion of the tool body, one or more rollers rotatably mounted within a bushing, and a handle for rotating the one or more rollers of the tool about the ... | 03/21/2006 |
| 6971168 | Compressor valve plate A method of manufacturing a compressor valve plate (36) comprises at least the following steps in succession: blanking of a blank of the plate (36) from a steel sheet of suitable thickness, punching holes corresponding to the output and intake openings... | 12/06/2005 |
| 6903302 | Method for manufacturing valve seat using laser cladding process A method for manufacturing valve seats using a laser cladding process is provided that includes forming a casting material on which the valve seats are to be formed; fabricating a valve seat target position on which laser cladding will be performed, the valve seat t... | 06/07/2005 |
| 6588102 | Method of assembling a fuel injector body An engine fuel injector body is assembled using a furnace brazing method to provide structural and hermetic internal joints at interior locations with minimum size and processing. The method of assembling an injector with such an internal hermetic and str... | 07/08/2003 |
| 6571766 | Idle speed controller for internal combustion engine The present invention provides an idle speed controller comprising a guide plate having a spigot portion fixedly attached to a cylindrical projected portion of a solenoid coil assembly for guiding a shaft to and away from a plunger wherein a symmetrical c... | 06/03/2003 |
| 6568080 | Air assist fuel injectors and method of assembling air assist fuel injectors A first air assist fuel injector configured for operation with a two stroke engine and a second air assist fuel injector configured for operation with a four stroke engine. The first air assist fuel injector and the second air assist fuel injector share o... | 05/27/2003 |
| 6547167 | Fluid dispense tips A fluid dispense tip includes a bevel at an opening to reduce the amount of surface tension, or "land", at the opening. The bevel is formed by grinding in a longitudinal direction such that any tooling scars resulting from the grinding operation are likew... | 04/15/2003 |
| 6408817 | Throttle body for an internal combustion engine and its manufacturing method and a throttle apparatus using the same A hot water conduit is formed between an inner cylinder and an outer cylinder. A gasket seals an annular opening of the hot water conduit facing to a surge tank. Hot water is supplied into the conduit from an engine cooling water passage. Heat of the hot ... | 06/25/2002 |
| 6397464 | Method for producing a valve seat In a method for producing a valve seat for a cylinder head of an internal combustion engine made of an aluminum metal alloy as the base material, an added material is fused by a laser beam with the base material of the cylinder head at the point at which ... | 06/04/2002 |
| 6385847 | Seat faced engine valves and method of making seat faced engine valves An improved process 30 for making an engine poppet valve 10 provides an unfinished poppet valve 10 with an initial diameter (d1) of a valve head 22 and an initial thickness (t1) of an interface 56 between a seat facing groove 54 and ... | 05/14/2002 |
| 6354001 | Method of manufacturing a Ti alloy poppet value A bar material is made of an (+ଲ) or a near Ti alloy which comprises a regular structure, and the end thereof is heated at a temperature above its ଲ transformation point by an electric forging device to form an enlarged ... | 03/12/2002 |
| 6295731 | Method of hardening a valve face of a poppet valve In a valve head of a poppet valve used in an internal combustion engine, a lobe is formed. The lobe has a vertical section of an isosceles triangle which has a vertex in the middle. By pressing the lobe in a bore of a die, the lobe is plastically deformed... | 10/02/2001 |
| 6263569 | Method of manufacturing a standardized fuel injector for accommodating multiple injector customers A method of manufacturing and testing a standardized fuel injector configuration accommodates multiple fuel injector customers. Initially, a fuel injector is molded, the fuel injector having an inlet end and an outlet end. Passage of fuel through the fuel... | 07/24/2001 |
| 6260404 | Method for manufacturing a cylinder interior fuel injection valve and apparatus for adjusting a fuel injection amount used therefor A method for manufacturing a cylinder interior fuel injection valve and an apparatus for adjusting a fuel injection amount used therefor may sufficiently cope with a fluctuation in fuel pressure or combustion gas pressure that would occur in an actual eng... | 07/17/2001 |
| 6257190 | Cam operating system A cam system to generate valve actuation in an engine that includes a circular camlobe rotated about a first axis is described. The first axis is a preselected distance from the centerpoint of the circular camlobe. The cam system also includes a cam-follo... | 07/10/2001 |
| 6226866 | Method of making carbon-carbon composite valve for high performance internal combustion engines The present invention provides a carbon-carbon (C/C) composite valve structure useful for high temperature internal combustion engines comprising (a) a carbon-carbon (C/C) composite valve stem having a flared end and a non-flared end opposite the flared e... | 05/08/2001 |
| 6195890 | Method of making a valve stem A valve stem has a thickness of hardfaced material on its outer diameter in the area contacting the stem packing where the seal is formed which prevents corrosion, erosion and/or scratching of the valve stem, thereby preventing formation of leak paths.... | 03/06/2001 |
| 6182363 | Method of making a poppet valve A method of making a valve (62) that has a poppet valve member (100) biased by a spring (110) toward a closed position against a poppet valve seat (90). The spring acts between the poppet valve member and a spring seat (120) and applies a predetermined fo... | 02/06/2001 |
| 6085714 | Carbon--carbon composite valve for high performance internal combustion engines The present invention provides a carbon--carbon (C/C) composite valve structure useful for high temperature internal combustion engines comprising (a) a carbon--carbon (C/C) composite valve stem having a flared end and a non-flared end opposite the flared... | 07/11/2000 |
| 5996910 | Fuel injection valve and method of manufacturing the same A fuel injection valve has a single pipe member made of composite magnetic material which can be processed to form ferro-magnetic structures and non-magnetic structures. A magnetic fuel connector, a magnetic valve body, a nonmagnetic intermediate pipe are... | 12/07/1999 |
| 5975039 | Process for manufacturing valve seat made of sintered FE alloy and valve seat made of sintered FE alloy A process for manufacturing a valve seat which is made of a sintered Fe alloy and comprises a main layer of a valve seat and a contacting layer, comprises the steps of preparing either a powdery Cu or a powdery material containing Cu in a powdery Fe alloy... | 11/02/1999 |
| 5960760 | Light weight hollow valve assembly An light weight hollow valve assembly for use in an engine. The intake and exhaust valve seats are of a different metallurgical composition for reducing adhesive and abrasive wear between the valve seat and the insert. The assembly 10 includes a valve 12 ... | 10/05/1999 |
| 5913554 | Intake system construction for internal combustion engine and manufacturing process of intake passage section of internal combustion engine An intake system construction according to the present invention for an internal combustion engine is provided with a combustion chamber formed with upper and lower extremities thereof defined by a cylinder head and a piston, an intake open end arranged f... | 06/22/1999 |
| 5752316 | Orifice plate for injector and method of manufacturing the same An orifice plate to be mounted at a fuel jet section of an injector has a plurality of jet holes formed therethrough for injecting fuel. The orifice plate includes a curved surface formed at an inlet peripheral edge of each of the jet holes, and a cylindr... | 05/19/1998 |
