Quotables
"What can be more palpably absurd than the prospect held out of locomotives traveling twice as fast as stagecoaches?"
The Quarterly Review ; March edition, 1825
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 |
| 7500657 | Carburetor for stratified scavenging two-cycle engine A carburetor for a stratified scavenging two-cycle engine, in which a throttle valve and a air valve are formed in a valve element that is a single cylindrical member in which a throttle through-hole and an air through-hole are diametrically formed and which is rota... | 03/10/2009 |
| 7427056 | Mixer for engine, air conditioning apparatus driven by engine, and power generation apparatus driven by engine A mixer for an engine includes a base portion having an intake passage in which the air flows, a fuel passage in which the fuel flows, and a mixing space in which the fuel and the air are mixed, and an axial hole which communicates with the mixing space, a first val... | 09/23/2008 |
| 7374155 | Diaphragm carburetor and method of assembly A diaphragm carburetor for an internal combustion engine and method of assembly includes attaching an air-fuel mixing body to a fuel metering chamber assembly independent from assembling the fuel metering chamber assembly. The fuel metering chamber assembly has an u... | 05/20/2008 |
| 7325791 | Carburetor for stratified scavenging two-cycle engine A carburetor for a stratified scavenging two-cycle engine, in which a throttle valve and an air valve are formed in a valve element that is a single cylinderical member in which a throttle through-hole and an air through-hole are diametrically formed and which is ro... | 02/05/2008 |
| 7290757 | Rotary carburetor A versatile rotary carburetor has an idle adjustment needle, a high speed adjustment needle, and preferably an air bypass screw which are substantially parallel to one another and are axially exposed for adjustment in a substantially common direction. Preferably a c... | 11/06/2007 |
| 7287741 | Rotary throttle valve carburetor A rotary throttle valve carburetor includes a main body defining a mixing passage and a valve bore, and a throttle valve rotatably received in the valve bore to selectively open and close the mixing passage. The carburetor main body includes an integral throttle val... | 10/30/2007 |
| 7267327 | Throttle valve assembly and dust seal for a carburetor A carburetor has a throttle valve assembly with a cam member and cam surface internally arranged in a body of the carburetor. The cam member is carried by the throttle valve body and preferably has outwardly extending tabs for locking engagement within slots formed ... | 09/11/2007 |
| 7261280 | Engine start device of a rotary valve carburetor A compact engine start device of a combustion engine rotary-type carburetor overrides normal operation of a rotary throttle valve to provide a richer mixture of fuel-and-air to start a cold engine. Rotation of a start lever of the start device activates a releasable... | 08/28/2007 |
| 7261281 | Carburetor A carburetor including a mixture channel and an air channel that are separated from one another, wherein a fuel opening opens into the mixture channel. A throttle element is rotatable about an axis of rotation that extends transverse of the direction of flow in the ... | 08/28/2007 |
| 7261282 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 08/28/2007 |
| 7228843 | Internal combustion engine having a carburetor and a starting device A two-stroke engine has an intake channel via which the engine (1) is supplied with an air/fuel mixture prepared in a carburetor (12). The engine also has a starting device (19, 40) for enrichment of the air/fuel mixture during the start operati... | 06/12/2007 |
| 7114708 | Rotary throttle valve carburetor A rotary throttle valve carburetor includes a body having a fuel and air mixing passage and a throttle valve movable between idle and wide open positions. A valve bore is increasingly aligned with the fuel and air mixing passage as the throttle valve is moved from i... | 10/03/2006 |
| 7104526 | Carburetor with intermediate throttle valve blocking position A carburetor including a frame having a first air/fuel channel and a second air channel; and a throttle valve assembly connected to the frame and having two valve sections. Each valve section is located in a respective one of the channels. A second one of the valve ... | 09/12/2006 |
| 7104252 | Crankcase venting rotary valve carburetor A four-stroke combustion engine is lubricated by a mixture of lubricant, fuel and air received from a rotary valve type carburetor. A cylinder of the engine houses a reciprocating piston and together they generally define a combustion chamber segregated from a gener... | 09/12/2006 |
| 7070173 | Carburetor air-fuel mixture adjustment assembly An apparatus for adjusting the air-fuel ratio of a fuel mixture to be supplied to an engine. The apparatus has a pair of needle valve bodies and a pair of receptacles formed in a main body of a carburetor for receiving the needle valve bodies. Each needle valve body... | 07/04/2006 |
| 7007931 | Rotary throttle valve carburetor A rotary throttle valve carburetor includes an air intake passage and a throttle valve bore formed in a carburetor body, a cam disposed in the throttle valve bore, and a throttle valve disposed in the throttle valve bore so that one end engages the cam and the other... | 03/07/2006 |
| 6983928 | Acceleration apparatus for carburetor An accelerator for a carburetor that is linked to a throttle valve and allows a piston-type accelerator pump to be operated in a simple configuration that dispenses with a link mechanism and does not greatly enlarge the carburetor. The lower surface of a throttle va... | 01/10/2006 |
| 6945520 | Starting assembly for a carburetor A starting device for a rotary throttle valve-type carburetor enables adjustment of the quantity of air and fuel delivered to an engine to facilitate the cold start of the engine. The starting device changes the position of the throttle valve prior to starting the e... | 09/20/2005 |
| 6843469 | Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine The present invention facilitates proper control of the scavenging air and fuel-air mixture for a stratified scavenging two-cycle engine that is based on a crankcase compression/scavenging method, using any carburetor. The present invention includes a drive member, ... | 01/18/2005 |
| 6827337 | Rotary throttle valve carburetor A rotary throttle valve carburetor has a fuel-and-air mixing passage which extends through a carburetor body. A cylindrical throttle chamber extends down from a top surface of the body and communicates transversely with the fuel-and-air mixing passage. A rotary thro... | 12/07/2004 |
| 6827338 | Scavenging air/fuel-air mixture control device for a stratified scavenging two-cycle engine The present invention facilitates proper control of the scavenging air and fuel-air mixture for a stratified scavenging two-cycle engine that is based on a crankcase compression/scavenging method, using any carburetor. The present invention includes a drive member, ... | 12/07/2004 |
| 6769670 | Starting assembly for a carburetor A starting device for a rotary throttle valve-type carburetor enables adjustment of the quantity of air and fuel delivered to an engine to facilitate the cold start of the engine. The starting device changes the position of the throttle valve prior to starting the e... | 08/03/2004 |
| 6672570 | Variable venturi carburetor A variable venturi carburetor for a combustion engine has an uprighted cup-shaped piston head which forms an integral part of a venturi within a fuel-and-air mixing passage carried by a carburetor body, and a needle that projects rigidly downward from the... | 01/06/2004 |
| 6585235 | Fuel regulating mechanism and method for a rotary throttle valve type carburetor Method of and mechanism for regulating fuel feed from a rotary valve type carburetor to an associated engine. A carburetor bypass air passage variably communicates the throttle valve hole with a bypass air source at engine idle setting of the throttle val... | 07/01/2003 |
| 6481699 | Acceleration device for a two-cycle engine An acceleration device of a carburetor for a two cycle engine with a rotary dual valve which controls air flow through both a scavenging passage and a separate air intake passage each extending through a carburetor body. The carburetor body houses a meter... | 11/19/2002 |
| 6431527 | Rotary throttle valve carburetor A rotary throttle valve carburetor for a two cycle engine reroutes a portion of intake air and introduces the air around the circumference of a fuel feed tube. A rotary throttle, rotatable and vertically moveable, fits into a cylindrical chamber intersect... | 08/13/2002 |
| 6394425 | Carburetor with a rotary throttle valve A rotary throttle valve type carburetor including an air intake passage extending through a carburetor body, a cylindrical valve chamber formed perpendicularly to the air intake passage, a throttle valve inserted into the valve chamber, and a throttle val... | 05/28/2002 |
| 6394424 | Carburetor with diaphragm type fuel pump For a four-stroke engine, a carburetor with a fuel pump diaphragm which defines a fuel pump chamber on one side and a pressure pulse chamber on its other side in communication with the engine to receive pressure pulses which actuate the fuel pump diaphrag... | 05/28/2002 |
| 6382599 | Carburetor with accelerator A circuit for delivering fuel into a valve chamber of a rotary throttle valve type carburetor. The fuel delivery circuit includes a fuel supply nozzle, protruding into the valve chamber and fixed at the bottom of the valve chamber to the carburetor body, ... | 05/07/2002 |
| 6378846 | Carburetor with adjustable flow rate throttle lever A throttle valve lever for controlling the rate of fuel flow in a rotary throttle valve type carburetor is proposed, wherein the throttle valve lever has increased stiffness to help prevent structural deformation due to excessive force exerted and applied... | 04/30/2002 |
| 6231033 | Rotary throttle valve type carburetor A valve opening mechanism for a rotary throttle valve type carburetor having a lever which transmits the accelerator operation to the throttle valve. The lever and throttle valve are turned while the throttle valve is simultaneously caused to move in the ... | 05/15/2001 |
| 6142455 | Rotary throttle valve type carburetor A valve opening mechanism for a rotary throttle valve type carburetor having a lever which transmits the accelerator operation to the throttle valve. The lever and throttle valve are turned while the throttle valve is simultaneously caused to move in the ... | 11/07/2000 |
| 5942160 | Rotary throttle valve type carburetor A valve opening mechanism for a rotary throttle valve type carburetor having a lever which transmits the accelerator operation to the throttle valve. The lever and throttle valve are turned while the throttle valve is simultaneously caused to move in the ... | 08/24/1999 |
| 5709822 | Fuel regulating mechanism for a rotary throttle valve type carburetor A fuel regulating method and mechanism for a rotary throttle (barrel-type) carburetor which prevents an end-user A/F adjustment that would cause increase in fuel quantity to a level in excess of a regulated value so as to comply with the exhaust gas emiss... | 01/20/1998 |
| 5599484 | Construction of a fuel supply pipe in a rotary throttle valve type carburetor A construction of a fuel supply pipe with a proximal end press-fit portion formed of metal and a metering tip portion formed of synthetic resin. The metering tip portion, formed with a fuel jet therein, is telescopically connected to the proximal end pres... | 02/04/1997 |
| 5131757 | Mixing apparatus and system Mixing apparatus comprising a pair of detachable, spaced rings,--one having inlet passages skewed in a direction to cause clockwise rotation of the exiting fluid, and the other skewed in an opposite direction to cause counter-clockwise rotation thereof, t... | 07/21/1992 |
| 4783286 | Rotor-actuating carburetor with variable venturi tube A carburetor includes a throttling rotor formed as a semi-circular cylinder rotatively mounted in an induction casing to operatively define a variable throat section of a venturi tube between the rotor and fuel nozzles mounted on one side of the casing op... | 11/08/1988 |
| 4526729 | Vortex carburetor A high velocity carburetor comprises a housing defining an air flow conduit with an air valve member therein. The air valve member includes a curved air-conducting surface facing the air stream and at least one position of the member for establishing a vo... | 07/02/1985 |
| 4481152 | Rotary throttle valve carburetor A rotary throttle carburetor in which an air passage leading to the engine has a crossbore to receive a cylindrical rotary throttle having a throttle passage to regulate the air passage. A constant pressure device is mounted on the carburetor body directl... | 11/06/1984 |
| 4481153 | Rotary throttle valve carburetor A rotary throttle valve carburetor in which the rotary valve is assembled with an operating lever, a needle valve and a carburetor body cover in such a way that the lever may be operated from opposite sides of the carburetor by orienting the assembly in t... | 11/06/1984 |
