Quotables
"We are probably nearing the limit of all we can know about astronomy."
Simon Newcomb, astronomer ; 1888
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 |
| 8061330 | Fuel supplying apparatus for gas engine A fuel supplying apparatus is configured to supply a gas engine with gas fuel in such a manner that tar separated from the gas fuel is guided to the engine. The apparatus includes a primary regulator and a secondary regulator formed integrally with the primary regul... | 11/22/2011 |
| 7971574 | Backpressure valve and fuel system having the same A return fuel passage is configured to communicate an outlet of a low-pressure fuel pump with a back pressure side of a fuel injection device. The return fuel passage is configured to partially return fuel from the back pressure side to the fuel tank to control fuel... | 07/05/2011 |
| 7909020 | Controller for internal combustion engine At least one of a petroleum fuel and an alcohol fuel stored in a fuel tank is supplied to an internal combustion engine. Specifically, the fuel in the fuel tank is supplied to an injector by a fuel pump module. The injector injects the fuel into an intake pipe. An E... | 03/22/2011 |
| 7891341 | Control device for internal combustion engine A fuel supply system includes a first non-return valve for a low-pressure delivery connection pipe and a second non-return valve for a pump supply pipe. The former non-return pipe does not allow fuel to flow from the low-pressure delivery pipe to the low-pressure su... | 02/22/2011 |
| 7891340 | Feed-forward control in a fuel delivery system and leak detection diagnostics A method for operating a fuel delivery system with a first pressure pump fluidly coupled to a second higher pressure pump is described. In one example, the fuel pumps are adjusted based on measured fuel pressure during a first condition. The fuel pumps are adjusted ... | 02/22/2011 |
| 7878179 | Fuel supply apparatus The present invention includes a fuel supply apparatus having a pressure regulator for regulating a pressure of fuel supplied from a fuel pump to a target, such as an internal combustion engine of an automobile. The pressure regulator includes a first pressure chamb... | 02/01/2011 |
| 7827963 | Method of adapting close-loop pressure control in a common-rail injection system for an internal combustion engine and means for executing the method In a method for adaptation of closed-loop control of a pressure in a common-rail injection system (3) for an internal combustion engine (1), with the closed-loop control having a pilot control and the common-rail injection system (3) with at lea... | 11/09/2010 |
| 7634986 | Fuel supply system having fuel filter installed downstream of feed pump A fuel supply system for delivering fuel to, for example, a common rail of a diesel engine fuel injection system. The fuel supply system includes a priming pump, a feed pump, a fuel filter disposed downstream of the feed pump, a return path, and a return valve. When... | 12/22/2009 |
| 7610901 | Method for detecting the opening of a passive pressure control valve A method for detecting the opening of a passive pressure control valve, which conducts fuel from a common rail system back to a fuel tank, in which the rail pressure (pCR) is automatically controlled by calculating a correcting variable for acting on the controlled ... | 11/03/2009 |
| 7603986 | Fuel adjustment and filtering device for a high-pressure pump A fuel adjustment and filtering device for a high-pressure pump of a fuel injection system, the device comprising at least one filter, comprising a removable filter cartridge, comprising a filtering body, housed within a filter casing; a shut-off solenoid valve for ... | 10/20/2009 |
| 7552716 | Common rail fuel injection system designed to avoid error in determining common rail fuel pressure A common rail fuel injection system includes an electronic control unit and a fuel pressure sensor. The electronic control unit is equipped with a power supply circuit which supplies a power supply voltage to the fuel pressure sensor through a harness. The power sup... | 06/30/2009 |
| 7469682 | Submersed fuel pressure regulator assembly The present invention refers to a fuel pressure regulator assembly and method for regulating the pressure of the fuel supplied to the fuel rail at a predetermined pressure. The fuel pressure regulator includes a housing and fuel cover for containing the fuel pressur... | 12/30/2008 |
| 7458362 | Fuel supply system for internal combustion engine In a fuel supply system, a fuel pump supplies fuel from a fuel tank to a fuel supply piping and to a back pressure introducing passage. A pressure regulator has a fuel pressure regulating chamber communicated to the fuel supply piping, and a back pressure chamber co... | 12/02/2008 |
| 7389766 | Fuel supply apparatus for internal combustion engine The engine ECU executes a program including the step of detecting an engine coolant temperature, the step of detecting an engine speed and an engine load, the step of estimating a temperature at a tip end of an in-cylinder injector based on the engine coolant temper... | 06/24/2008 |
| 7389767 | Method for diagnosis of a volume flow control valve in an internal combustion engine comprising a high-pressure accumulator injection system The invention relates to an internal combustion engine comprising a high-pressure accumulator injection system wherein the swept volume and the pressure are regulated by means of a volume flow control valve (VCV) and a pressure control valve (PCV). The inventive met... | 06/24/2008 |
| 7380539 | Fuel supply apparatus for internal combustion engine The engine ECU executes a program including the step of detecting an engine coolant temperature, the step of detecting an engine speed and an engine load, the step of estimating a temperature at a tip end of an in-cylinder injector based on the engine coolant temper... | 06/03/2008 |
| 7373924 | Method and system to mitigate pump noise in a direct injection, spark ignition engine A method and system for controlling a fuel pressurizing system in a direct-injection, spark-ignition engine is disclosed such that the ticking sound of a solenoid valve in the high pressure pump is disabled at certain engine operating conditions. The fuel pressurizi... | 05/20/2008 |
| 7370635 | System and method for resolving electrical leads A control system for controlling a device, the device having at least two functional elements, each functional element being controlled by a control signal, is disclosed in the present disclosure. The control system may include detecting means operatively connected ... | 05/13/2008 |
| 7363916 | Fuel injection system and method for determining the feed pressure of a fuel pump The invention relates to a fuel injection system comprising a fuel reservoir to which fuel is fed via at least one first pump and from which fuel is discharged via injectors. The invention is characterized in that the feed pressure of the first pump is adjusted depe... | 04/29/2008 |
| 7363917 | Filter unit and valve for a fuel supply system A valve (49) which is intended for insertion into the line connecting a fuel pump to a system of injection valves and which is designed as a pressure-maintaining valve is characterized by a pipe body (50) intended to have a flow passing through it, int... | 04/29/2008 |
| 7343901 | Fuel supply device A fuel filter is located downstream of a feed pump to filter fuel discharged from the feed pump. An orifice is located between the fuel filter and a suction quantity control valve to restrict a flow rate of the fuel passing through the fuel filter. A positive pressu... | 03/18/2008 |
| 7341045 | Hydraulic damper element A damper for damping pressure pulsations in a liquid includes an outer tube having an inner surface defining an interior cavity, and an inner tube positioned within the interior cavity of the outer tube. The inner tube includes an outer surface such that at least on... | 03/11/2008 |
| 7337799 | Gaseous fuel vehicle and automatic vent system A vehicle (1) equipped with a tank (2) for storage of a fluid under pressure on the vehicle, the tank being connected to at least one vent channel (3 and 33), the vent channel leading to a discharge orifice (34), the vent channel b... | 03/04/2008 |
| 7334570 | Common rail fuel injection system with accumulator injectors A fuel injection system for an internal combustion engine includes a common rail, a plurality of accumulator injectors, and at least one accumulator controller separate from the accumulator injectors and connected to the common rail. Each accumulator controller incl... | 02/26/2008 |
| 7320312 | Fuel injection device for internal combustion engine A fuel injection device of an internal combustion engine executes tentative learning repeatedly while engine cooling water temperature increases. An actual learning value is renewed with the newest instrumental error learning value so that accuracy of the actual lea... | 01/22/2008 |
| 7320313 | Differential pressure regulator for fuel systems A differential pressure regulator includes a housing having a first and second chamber, a fuel pump inlet, a passage, and a return orifice. The fuel pump inlet is in fluid communication with the passage and the first chamber while the return orifice is in fluid comm... | 01/22/2008 |
| 7318414 | Constant-speed multi-pressure fuel injection system for improved dynamic range in internal combustion engine A fuel injection system operates under a substantially constant pump speed and creates multi-pressure levels by diverting the fuel flow. Fuel pressure can be switched from one steady pressure level to another level on-demand instantly. This superimposes and overlaps... | 01/15/2008 |
| 7318416 | Liquid fuel pump A liquid fuel system for an internal combustion engine includes a fuel supply line, a fuel pump connected to the supply line and having an outlet to a carburetor or a liquid fuel injector. A mechanical contact between the pump and a component of the internal combust... | 01/15/2008 |
| 7318413 | Control apparatus for internal combustion engine An engine ECU executes a program including the steps of: detecting an engine speed NE and an engine load (S100, S110); when determination is made of being in an idle region based on the engine speed NE and engine load (YES at S120), determining ... | 01/15/2008 |
| 7287516 | Pump control system A pump for a fuel system is disclosed. The pump has a housing defining at least one pumping chamber, and a plunger. The plunger is movable to draw a fluid into and displace the fluid from the at least one pumping chamber. The pump also has a metering valve and a con... | 10/30/2007 |
| 7278401 | Fuel pressure regulator housing A housing for a fuel pressure regulator includes a body having a fuel inlet, a fuel outlet, a plurality of retention members, a bypass fitting, and preferably an electrical fitting and a ground fitting. Each retention member includes a catch that is constructed to e... | 10/09/2007 |
| 7275524 | Non-return fuel supply system A return-flow-free fuel supply system for an internal combustion engine having at least one fuel pump for pumping fuel from a first region of a fuel reservoir into a pressure region communicating with a fuel distributor, at least one suction jet pump, through which ... | 10/02/2007 |
| 7267108 | Fuel system pressure relief valve with integral accumulator A fuel pressure relief system in an engine fuel system having a fuel line is shown. In one example, the system has a pressure relief valve in the fuel line; and a pressure relief assembly coupled to the relief valve, the assembly having an accumulator in communicati... | 09/11/2007 |
| 7263980 | Pump vapor deflector for fuel pump module assembly A fuel pump module assembly includes a fuel pump 10 having an inlet 16 and an outlet 17. The fuel pump 10 is constructed and arranged to send fuel from the outlet to an engine of a vehicle. The fuel pump has a vapor purge port 13 t... | 09/04/2007 |
| 7258108 | Fuel injection rail A fuel injection rail has a rail body formed by joining together a first body member having the shape of a trough and a second body member having the shape of a flat plate. Edges of the side walls of the first and the second body members are joined in folded seams b... | 08/21/2007 |
| 7228849 | Conical concave cap pressure relief valve A pressure relief valve useful in vehicle fuel delivery systems includes a spring biased, concave conical flow directing surface and a spherical valve seat. ... | 06/12/2007 |
| 7217357 | Oil filter for engines, transmissions or automatic transmissions Oil filter for engines, transmissions or automatic transmissions, said oil filter being integrated in an oil pan, at least one bypass valve being arranged on the oil filter, the bypass valve containing a spring whose spring resistance increases with increasing tempe... | 05/15/2007 |
| 7210460 | Bypass pressure regulator A low cost bypass pressure regulator preferably for a returnless fuel system supplying liquid fuel to a fuel injector of the combustion engine. The pressure regulator preferably has a valve head disposed at least in part in a valve chamber defined by a circumferenti... | 05/01/2007 |
| 7200485 | Transient speed-and transient load-based compensation of fuel injection pressure An engine (10) has a fueling system that uses hydraulic fluid to force fuel into engine combustion chambers via fuel injectors. Pressure of the hydraulic fluid is determined by a steady state strategy (ICP_DES—1) and a transient strategy (... | 04/03/2007 |
| 7188610 | No-return loop fuel system A no-return loop fuel injection system supplies fuel from a fuel pump to an injector fuel rail, through a fuel line. A biased closed pressure control valve communicates with the fuel line and has a valve head preferably of a diaphragm type carrying a fuel side havin... | 03/13/2007 |
