"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.
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 |
| 7845330 | Multi-pump fuel system and method A vehicular fuel system includes a suction pump having an inlet and an outlet, a priming pump having an inlet and an outlet, a valve and a fluid conduit assembly having a first port coupled to the outlet of the priming pump, a second port coupled to the inlet of the... | 12/07/2010 |
| 7669570 | Diesel fuel injection priming system A fuel injection priming system includes a fuel supply line connected to a fuel supply rail. A plurality of piezoelectric fuel injectors are connected to the fuel supply rail. An injector return fuel line is connected to the fuel injectors and in communication with ... | 03/02/2010 |
| 7546825 | Multi-chambered fuel enrichment device A fuel enrichment device includes a body forming a first fuel chamber and a second fuel chamber. The second fuel chamber is adapted to contain a predetermined amount of enriching fuel to be provided to an engine. A normally open valve connects the first fuel chamber... | 06/16/2009 |
| 7412953 | Engine control device An engine control device that controls, using a microprocessor, a fuel injection device including an injector and a fuel pump, and a starter motor that starts an engine, including: first fuel pump driving means for driving the fuel pump only during set time at power... | 08/19/2008 |
| 7293587 | Portable fuel assembly A portable fuel assembly has a holder that securely holds a fuel pump, at least one tool and at least one spare part, while at the same time having a base, which may be attached to a fuel container in order to transport fuel for a remote controlled vehicle to a desi... | 11/13/2007 |
| 7267326 | Automatic priming system An automatic priming system for internal combustion engines, which is operable to prime the carburetor of the engine at engine cranking speeds, and is automatically disabled after the engine starts. The automatic priming system is driven by pressure fluctuations wit... | 09/11/2007 |
| 7174249 | Intelligent driver module for controlling operation of a fuel pump A driver module is provided for controlling operation of a fuel pump of a vehicle. The driver module includes switching circuitry for switching transmission of electrical power to the fuel pump, and a processor for executing a series of programmable instructions for... | 02/06/2007 |
| 7146967 | Fuel supply apparatus for engine and method thereof When a pressure of fuel supplied to an engine is higher than a target, the fuel is carried in a reverse direction by rotating a fuel pump in reverse, and in accordance therewith, the fuel pressure is made to fall with good responsiveness. ... | 12/12/2006 |
| 7108026 | Portable fuel delivery apparatus The portable fuel delivery apparatus for temporarily providing fuel to disabled machines, such as motor vehicles. The apparatus comprises a container for housing the fuel, a hose for discharging the fuel from said container, an electric pump inside said container fo... | 09/19/2006 |
| 6972093 | Onboard fuel separation apparatus for an automobile An onboard fuel separation apparatus separates a material fuel (gasoline) into a high-octane fuel having a higher octane value than the material fuel and a low-octane fuel having a lower octane value than the material fuel using a separation membrane which selective... | 12/06/2005 |
| 6915772 | Automatic priming system An automatic priming system for internal combustion engines, which is operable at engine cranking speeds and which is automatically disabled at engine running speeds. The automatic priming system is driven by pressure fluctuations within the engine crankcase which a... | 07/12/2005 |
| 6874482 | Diaphragm carburetor with air purge system A diaphragm carburetor-based fuel supply system is equipped with an air purge system that vents trapped air from the fuel supply system. The air purge system preferably includes a vent tube having an outlet opening into the upper portion of the system's fuel tank an... | 04/05/2005 |
| 5711263 | Fuel primer pressure accumulator A fuel primer pressure accumulator for an internal combustion engine fuel supply system capable of storing fuel under pressure when the internal combustion engine is stopped. The accumulator has a chamber formed by a casing and a pressure element. The acc... | 01/27/1998 |
| 5245970 | Priming reservoir and volume compensation device for hydraulic unit injector fuel system A diesel engine having a lubricating oil sump and a low pressure lubricating oil pump, is provided with a hydraulically-operated, electronically-controlled unit fuel injector operating system of the type having a unit fuel injector, a high pressure pump, ... | 09/21/1993 |
| 5207898 | Filter head with integral priming pump and valved bypass passage A head (10) for mounting a replaceable spin-on fuel filter element (12) for use in a vehicle fuel system, includes an inlet (18) and outlet (76). The inlet is connected in the head to a second chamber (24) through a first check valve (26). The first check... | 05/04/1993 |
| 5137002 | Vapor separator An engine assembly comprising an internal combustion engine, and a vapor separator including a fuel inlet adapted to communicate with a source of fuel, a fuel outlet communicating with the engine, a vapor outlet, and a valve mechanism operatively connecte... | 08/11/1992 |
| 5094196 | System for operating two-cycle spark ignition engine A system for operating a two-cycle spark ignition engine, comprising an ultrasonic atomizer that is disposed in an intake pipe of the spark ignition engine. When the engine is to be started, a fuel for starting is supplied to the ultrasonic atomizer, and ... | 03/10/1992 |
| 5070829 | Primer bulb retainer for carburetor The present invention discloses an engine primer bulb assembly having a base, a primer bulb and a retaining ring for securing the primer bulb to the base. The retaining ring is self-locking and provides a circumferential force against the bulb to seal it ... | 12/10/1991 |
| 5063891 | Fuel supply device for an internal combustion engine A fuel supply device for internal combustion engines comprises a constant level chamber, an engine-driven fuel pump having an outlet connected to the constant level chamber and an inlet connected to a fuel reservoir through a pipe provided with a non-retu... | 11/12/1991 |
| 5058544 | Floatless carburetor with integral primer system A floatless carburetor with a fuel reservoir in communication with the carburetor throttle bore includes an integral primer system which is operable to introduce fuel directly into both the carburetor throttle bore and the fuel reservoir. A plurality of c... | 10/22/1991 |
| 5031590 | Fuel supplying system for internal combustion engine Several embodiments of charge forming systems for crankcase internal combustion engines each of which embodies a first charge forming device having a main fuel discharge that delivers a fuel/air mixture to the crankcase and a second charge forming device ... | 07/16/1991 |
| 5031589 | Safety device for preventing the loss of container closure plugs A safety device for preventing the loss of a container closure plug, comprising a retaining member disposed on, and preferably secured to, the container, and a spiral to which the closure plug is connected and which surrounds the said closure plug several... | 07/16/1991 |
| 4998969 | Engine maintenance fluid introduction system Disclosed herein is an internal combustion engine comprising a cylinder defining a combustion chamber, a primer fuel conduit communicating with the combustion chamber for supplying a primer fuel to the combustion chamber, and a valved supply conduit for i... | 03/12/1991 |
| 4913855 | Carburetor usable with motorcycle engine A motorcycle engine carburetor has an easily removable and replaceable venturi tube, an easily removable fuel jet tube, a swiveled fuel inlet fitting, an easily adjustable and downwardly accessible and rotatable starting carburetor accessible air jets, to... | 04/03/1990 |
| 4893593 | Start-fuel supply device in internal combustion engine for portable equipment A start-fuel supply device in an internal combustion engine for a portable equipment comprising a start-fuel primer pump rotatively coupled to a starter motor of the engine, a fuel metering device for receiving a charge of fuel from a metering chamber of ... | 01/16/1990 |
| 4893594 | Start-fuel supply device in internal combustion engine for portable equipment Start-fuel supply device in an internal combustion engine for portable equipment characterized in that a fuel nozzle is disposed at an intake passage of a diaphragm type carburetor, a fuel reservoir is connected to the metering chamber of the diaphragm ca... | 01/16/1990 |
| 4862847 | Apparatus for supplying start-fuel in the internal combustion engine for a portable type working machine An apparatus for supplying a start-fuel to an internal combustion engine for a portable type machine such as a chain saw or brush cutter which has an electric battery for use in starting. An electrically driven primer pump is connected to the metering cha... | 09/05/1989 |
| 4862848 | Apparatus for supplying start-fuel in the internal combustion engine for a portable type working machine An apparatus for supplying a start-fuel to an internal combustion engine for a portable type machine such as a chain saw or brush cutter which has an electric battery for use in starting. An electrically driven reversible pump is used to draw fuel from a ... | 09/05/1989 |
| 4844043 | Anti vapor lock carbureted fuel system A marine fuel system includes a first crankcase pressure driven fuel pump (32) supplying fuel from a remote fuel tank (29) to a vapor separator (34), and a second crankcase pressure driven fuel pump (43) supplying vapor free fuel from the vapor separator ... | 07/04/1989 |
| 4747760 | Hand-actuatable pump for feed pumps of fuel injection systems for internal combustion engines A pump for feed-pumps of fuel injection systems for internal combustion engines having a manually actuatable element, which operates counter to the force of a restoring spring to effect an inward stroke of a piston which includes a valve tappet thereon th... | 05/31/1988 |
| 4747377 | Diesel engine primer apparatus and system The present disclosure is directed to a portable pressurized tank and fuel system which may be connected to the secondary fuel filter of a diesel engine which has been depleted of fuel occasioned by drain down due to a prolonged period of idleness or over... | 05/31/1988 |
| 4699739 | Gasoline engine choking arrangement A gasoline engine choking arrangement which serves as a modification to automatic chokes found in existing 9 and 11 cubic inch vertical shaft gasoline engines, i.e. an arrangement which achieves effective gasoline engine starting under both hot and cold c... | 10/13/1987 |
| 4660516 | Fuel primer and enrichment system for an internal combustion engine An engine comprises a combustion chamber and a fuel transfer passage having a fuel outlet port communicating with the combustion chamber. A primary fuel delivery system communicates with the combustion chamber and introduces fuel from the fuel source into... | 04/28/1987 |
| 4602599 | Emergency fuel priming and supply system for engines An emergency fuel priming and supply system for engines using a fuel pump and portable fuel can, or pressurized fuel container, for feeding fuel under pressure through a fuel priming line to and through the fuel transfer pump of a diesel (or other fuel) f... | 07/29/1986 |
| 4542723 | Starting fuel increasing system for internal combustion engines A simplified and improved cold enrichment device for an internal combustion engine. The device includes a valve that controls communication of a fuel source with a cold starting enrichment port and which valve is operatively connected to a pump for pumpin... | 09/24/1985 |
| 4532895 | Primer follow-through system A fuel supply system for an internal combustion engine including a combustion chamber and a rotatably mounted crankshaft, the fuel supply system comprising means for priming the internal combustion engine by supplying priming fuel from a fuel source to th... | 08/06/1985 |
| 4512587 | Aerosol cannister fitting An improved fitting is disclosed for receiving and sealing an aerosol cannister. This fitting employs an annular sealing ring on the fitting to seal against one or more peripheral surfaces of the recess defined by the valve assembly of the aerosol cannist... | 04/23/1985 |
| 4512884 | Fuel treatment device A fuel treatment device for use in fuel system of an internal combustion engine comprises a casing adapted to be secured, in use, to a mounting which defines a fuel inlet and an outlet. A fuel treatment element is located in the casing and a wall of the c... | 04/23/1985 |
| 4499780 | Adjustable control linkage A control linkage has levers for actuating the throttle lever of a carburetor and a primer pump. A slide actuator has cam grooves engaging ends of the levers to actuate the levers in response to movement of the slide actuator. An adjustable linkage is pro... | 02/19/1985 |
| 4499887 | Dual fuel supply system The dual fuel supply system for an internal combustion engine has a carburetor including a fuel/air induction passage having means defining a low pressure zone and a secondary orifice and further including a cavity communicating with the fuel induction pa... | 02/19/1985 |