Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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 |
| 7654250 | Gas fuel supply apparatus An engine-start is inhibited when a gas engine is tilted, and the engine is immediately stopped. A shutoff valve (21) is provided on a liquefied fuel passage (15) supplying a liquefied fuel to a vaporizing chamber (14) from a cylinder (16... | 02/02/2010 |
| 7165532 | Engine speed control with high speed override mechanism A secondary engine speed control mechanism for small internal combustion engines, including an operator control which is manually operable to override an engine running speed which is set by the engine's primary speed control mechanism and governed by the governor. ... | 01/23/2007 |
| 7152580 | Engine speed control with high speed override mechanism A secondary engine speed control mechanism for small internal combustion engines, including an operator control which is manually operable to override an engine running speed which is set by the engine's primary speed control mechanism and governed by the governor. ... | 12/26/2006 |
| 7117857 | Fuel supply system for outboard motor An outboard motor fuel vapor separator-venting system that vents fuel vapor from a fuel vapor separator through a vapor relief valve. The vapor relief valve allows vapor to gradually be delivered from the vapor separator to an air induction system depending on the a... | 10/10/2006 |
| 7007662 | Fuel supply apparatus for internal combustion engine An ECU calculates the difference between the fuel pressure in a high-pressure distribution pipe and a target pressure when fuel is injected only from an air-intake passage injector. The ECU determines the bulk modulus of fuel that is associated with the coolant temp... | 03/07/2006 |
| 6510844 | Fuel supplying apparatus and control method thereof A fuel supplying apparatus has a fuel pump for pumping fuel stored in a fuel tank. The fuel pump supplies fuel from the fuel tank to outside the fuel tank via a take-up portion having a fuel take-up opening that opens in the fuel in the fuel tank and a ga... | 01/28/2003 |
| 5372159 | Engine fuel flow control mechanism An engine fuel line flow control mechanism utilizing a valve located within a fuel line. The valve includes a seat and a movable seal which is capable of regulating the flow of fuel through the fuel line. An actuator is linked to the valve and may include... | 12/13/1994 |
| 5050567 | Fuel supply system A fuel supply system comprising a main tank for storing a fuel; a subtank provided in the main tank for storing a part of the fuel; a first communication line for communicating the main tank to the subtank; a first pump provided in the first communication... | 09/24/1991 |
| 5014673 | Fuel feed device for internal combustion engine A fuel feed device for an internal combustion engine including a main fuel system including a charge forming device that supplies fuel, air requirements to the engine for most running conditions. An automatically operated auxiliary supply system is provid... | 05/14/1991 |
| 4933093 | Fuel filter A heated fuel filter and water separator is disclosed. The assembly has a filter element mounted inside a fuel container. The fuel container has an upper chamber containing a filter element and a drainable lower chamber for collecting water and sediment. ... | 06/12/1990 |
| 4928729 | Fuel pressure regulator valve A fuel pressure regulator valve of the type commonly used in automobile fuel injection systems. The invention relates to improved retention of the valve element within the mount that is carried by the diaphragm assembly. The valve element is a truncated s... | 05/29/1990 |
| 4890590 | Fail-safe method and apparatus for internal combustion engines In an engine control system which determines the amount of fuel to be injected on the basis of an intake pipe pressure detected downstream of a throttle valve and engine speed (D-EFI), fail-safe action is provided when a failure of an intake pipe on the d... | 01/02/1990 |
| 4821726 | Electronic fuel injection device An electronic fuel injection device for pumping fuel to an internal-combustion engine by using the expansion-contraction characteristics of a piezoelectric device. The electronic fuel injection device has a pump member integrally formed and having a numbe... | 04/18/1989 |
| 4745904 | Vacuum controlled variable pressure fuel regulator and carburetor A fuel regulator receives fuel from a fuel pump at essentially constant pressure and reduces the pressure of the fuel to a constant low value in response to a predetermined high to moderate vacuum in an inlet manifold of an internal combustion engine, the... | 05/24/1988 |
| 4715345 | Automatic fuel shut off system for fuel-injected engines Described is an assembly that is interposed between the main fuel supply and the fuel injection system of a fuel-injected gasoline engine or diesel engine. When the main supply of fuel becomes exhausted, the assembly (i) automatically shuts off the flow o... | 12/29/1987 |
| 4699112 | Fuel injection pump for diesel engines A fuel injection pump for diesel engines, in which the pressure chamber of each cylinder (10) is defined on its side opposite the piston (16) by a slide valve (38) movable in a direction opposite the piston against the action of resilient biasing means (5... | 10/13/1987 |
| 4643147 | Electronic fuel injection with fuel optimization and exhaust pressure feedback An electronically controlled fuel-injection system for an internal combustion engine, wherein fuel injection control pulses drive associated fuel injectors for delivering fuel to the internal combustion engine. A fuel pump delivers fuel from an associated... | 02/17/1987 |
| 4627463 | Fuel pressure regulator A fuel pressure regulator comprising a housing, a diaphragm dividing the housing into a first chamber and second chamber, a passage from the exterior of the housing to the first chamber, an inlet and an outlet associated with the second chamber of the hou... | 12/09/1986 |
| 4625695 | Fuel pressure regulator A pressure regulator valve for use in fuel systems for internal combustion engines which includes a two-part housing lamination with a diaphragm between the bottom and top housings and a valve back-up pad above the diaphragm. The diaphragm is responsive t... | 12/02/1986 |
| 4625696 | Pressure regulator for a petrol injection system The pressure regulator comprises a valving element caused to open or close a bleed port of the petrol circuit, and a diaphragm subjected to the pressure of said petrol and to a pressure which is a function of the engine intake pressure, said diaphragm bei... | 12/02/1986 |
| 4458650 | Fuel injection system A throttle body fuel injection system has a pressure regulator which reduces the pressure of the fuel supplied to its electromagnetic injector as the engine induction passage pressure decreases.... | 07/10/1984 |
| 4449506 | Fuel supply system In a fuel control system for a fuel injected internal combustion engine, fuel is pumped from a tank by a cheek plate unloading pump to the fuel rail which supplies the fuel injectors. The delivery pressure of the pump is controlled by a microprocessor whi... | 05/22/1984 |
| 4422354 | Engine overheat protection system for dual horse power engine The present invention relates to a control system for use with an internal combustion engine connected to a load through a variable speed transmission. The instant system protects the engine and conserves fuel by automatically reducing the engine horse po... | 12/27/1983 |
| 4404944 | Fuel supply system for an injection-type internal combustion engine A fuel supply system for an injection-type internal combustion engine using a gasoline or alcohol blended gasoline as a fuel. In addition to a conventional fuel supply system there is provided a fuel temperature detector which detects and signals the fuel... | 09/20/1983 |
| 4373502 | Fuel control system A fuel control system for gasoline operated vehicles includes a metering device connected to the fuel line for controlling the rate of flow to the carburetor to permit a normal rate under ordinary driving conditions and an increased rate of flow under acc... | 02/15/1983 |
| 4357921 | Pressure regulator for injection systems for spark ignition internal combustion engines A pressure regulator is provided for the fuel injection system of a spark ignition internal combustion engine. The regulator is designed to regulate the pressure at which fuel is delivered to the fuel injectors, this pressure being constantly referenced t... | 11/09/1982 |
| 4300502 | Fuel flow control system for internal combustion engines A fuel economizer system and fuel flow control valve arrangement for an internal combustion engine having a fuel supply tank, a main fuel supply line connecting the tank to the carburetor inlet of the engine, and a fuel pump in the supply line for deliver... | 11/17/1981 |
| 4300510 | Fuel pressure regulator of fuel injection system A fuel pressure regulator for use in a fuel injection system of a gasoline fueled engine, comprises a fuel distributor pipe having an inlet and a plurality of outlets connected to fuel injections, a casing secured to a portion of the fuel distributor pipe... | 11/17/1981 |
| 4257378 | Upgrader variable pressure regulator There is disclosed a new and improved air-fuel metering regulator which provides for extremely fine adjustment of the flow of fuel to the internal combustion engine which may be operating under idling, cruising or various accelerating power circumstances.... | 03/24/1981 |
| 4237834 | Governor control device A governor for controlling the speed of a drive shaft comprising a flywheel mounted to a revolving drive shaft by a pair of diametrically opposed pins extending through the flywheel, along a diametrical line of the flywheel, and being respectively receive... | 12/09/1980 |
| 4235211 | Fuel pressure regulator A fuel pressure regulator for use in a fuel injection system for an internal combustion engine has a housing defining therein a fuel passage having upstream and downstream ends connected to a main fuel supply conduit and a fuel return pipeline, respective... | 11/25/1980 |
| 4231347 | Fuel pressure regulating valve A fuel pressure-regulating valve for an electronic fuel injection system for internal combustion engines including a body member having an inlet port and an outlet port, a diaphragm dividing the interior of the body member into two chambers, a piston secu... | 11/04/1980 |
| 4205648 | Fuel circuit for an internal combustion engine A fuel circuit for an internal combustion engine comprising an electric motor driven control pump which is speed controlled by means of electronic control circuitry to precisely meter fuel to the induction air passage of the engine for mixture with induct... | 06/03/1980 |
| 4191149 | Carburetors for internal combustion engines A carburetor has a float chamber and a device for adjusting the gaseous pressure in the float chamber. The device comprises a pressure source and a probe contacting the exhaust gas and delivering a signal which is a function of the exhaust gas composition... | 03/04/1980 |
| 4186707 | Fuel economizer system for internal combustion engines A fuel economizer system for an internal combustion engine comprising a fuel supply tank, a main fuel supply line connecting the tank to the carburetor of the engine, and a fuel pump in the supply line for delivering fuel to the carburetor, an adjustable ... | 02/05/1980 |
| 4176641 | Aneroid for a turbocharged engine This disclosure deals with an aneroid for an internal combustion, compression-ignition engine including a turbocharger. The engine further includes a fuel supply system including a fuel supply rail connected to carry fuel to a plurality of fuel injectors ... | 12/04/1979 |
