Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
PatentStorm News
Make the Most of PatentStorm
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest patents by subscribing to an RSS feed.
Got questions? Ask a Patent Expert!
Registered users: Manage your profile, comments and alerts.
| Number | Title | Issue Date |
| 7383827 | Fuel pump noise reducing apparatus and method thereof for liquefied petroleum injection vehicle A fuel pump noise reducing apparatus and a methods for a Liquefied Petroleum Injection (LPI) vehicle stops fuel provision by shutting off valves if a Liquefied Petroleum Gas (LPG) switch is turned off. Also, operation of a fuel pump is stopped by allowing an Interfa... | 06/10/2008 |
| 7337798 | Gas supply apparatus A gas line (120) for supplying hydrogen gas and a harness (110) for supplying power to an electromagnetic valve are connected to an electromagnetic valve mechanism (200). The length of the harness (110) from a connecting member (111 | 03/04/2008 |
| 7322345 | Stuck-open failure detection system for gas-fuel injection valve Disclosed is a stuck-open failure detection system for a gas-fuel injection valve adapted to inject or supply gas fuel into/to a combustion chamber of an engine, which comprises: a shutoff value interposed in a fuel supply passage fluidically connected to the gas-fu... | 01/29/2008 |
| 7293551 | Liquefied gas-fuel supply device for diesel engine Since an aspirator 7 is disposed at a position lower than a fuel gallery 11 and an overflow fuel pipe 81, DME fuel remaining in the fuel gallery 11 and the overflow fuel pipe 81 can be more efficiently retrieved to a fuel tank 4... | 11/13/2007 |
| 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 |
| 7191768 | Gas fuel feed device It is an object of this invention to provide a gas fuel supply system in which a controllable range in the fuel injection quantity control by an injector is enlarged. According to one preferable aspect of this invention, the gas fuel supply system comprises an injec... | 03/20/2007 |
| 7127940 | Diagnosis method for liquefied petroleum injection fuel pump A method for diagnosing a Liquefied Petroleum Injection fuel pump includes the steps of: inputting an engine Revolutions Per Minute (RPM) and a fuel pump Pulse Width Modulation (PWM) signal into an Electronic Control Unit (ECU) of an interface box; determining wheth... | 10/31/2006 |
| 7127941 | Diagnosis system for liquefied petroleum injection fuel pump A Liquefied Petroleum Injection (LPI) fuel pump diagnosis system for determining the operation state of a fuel pump by analyzing a signal inputted from a fuel pump driver of an LPG tank into an interface box, including a fuel pump relay that provides power to the fu... | 10/31/2006 |
| 7100582 | Propane injection control system and apparatus for vehicles A propane injector system for internal combustion engines for improving performance, fuel efficiency, safety, cleanliness and environmental friendliness. The system consists of introducing propane gas into “a black box” that has a pressure reducing valve to drop... | 09/05/2006 |
| 7100581 | Gas feeding system for an internal combustion engine, having a pressure reducing valve connected to the intake manifold In a gas-supply system for internal-combustion engines, a pressure-reducing valve is arranged between the reservoir of the gas and a distribution manifold or rail that feeds the gas to a series of electromagnetically controlled injectors associated to the various cy... | 09/05/2006 |
| 7059276 | Fuel supply apparatus using low boiling point fuel and its control method A fuel supply apparatus reduces fuel vaporization and leakage the positions of vaporization and leakage and their amount in the fuel tank and the fuel pipe is detected properly in case of using a low boiling point fuel having a vapor phase in the normal temperatures... | 06/13/2006 |
| 7013720 | Fuel pressure sensing apparatus for internal combustion engine control unit A fuel pressure sensing apparatus for an internal combustion engine control unit is capable of compensating for deterioration in the detection accuracy of a fuel pressure sensor (16) caused by a sensor offset. The fuel pressure sensor (116) detects the... | 03/21/2006 |
| 7000602 | Engine system and fuel vapor purging system with cylinder deactivation Various systems and methods are disclosed for carrying out combustion in a fuel-cut operation in some or all of the engine cylinders of a vehicle. Further, various subsystems are considered, such as fuel vapor purging, air-fuel ratio control, engine torque control, ... | 02/21/2006 |
| 6988489 | Fuel injection valve protecting apparatus and fuel pressure increase preventing apparatus in LPG injection type engine A fuel injection valve protecting apparatus for an LPG injection type engine operates when an excessive current passes through the fuel injection valve, or when an abnormality of the fuel injection valve occurs. An electrical fuse is inserted in a driving current su... | 01/24/2006 |
| 6955156 | Injection pump and fuel DME feed device of diesel engine with the injection pump In an injection pump element 2, a communication route for communicating an injection pipe 3 connected to a fuel liquid outlet 212 and an inner peripheral surface of a plunger barrel 25 is formed by a purge passage 242 formed in a d... | 10/18/2005 |
| 6918370 | Fuel supply apparatus using low boiling point fuel and its control method A fuel supply apparatus reduces the fuel vaporization and leakage by means that the positions of vaporization and leakage and their amount in the fuel tank and the fuel pipe is detected properly in case of using a low boiling point fuel having a vapor phase in the n... | 07/19/2005 |
| 6568375 | Vehicle gaseous fuel supply system A vehicle gaseous fuel supply system includes a high pressure filter, a primary pressure-reducing valve, a solenoid cut-off valve, safety means, and a secondary pressure-reducing valve. A regulator is formed by disposing the high pressure filter, the sole... | 05/27/2003 |
| 6467466 | Gas leakage detection and fail-safe control method for gas-fueled internal combustion engine and apparatus for implementing the same A method and apparatus is provided that can detect even small amounts of gas leakage and can perform a proper fail-safe operation when gas leakage is detected. When an engine is stopped and a gas shut-off valve is closed, the amount of decrease of gas pre... | 10/22/2002 |
| 6427670 | Fuel gas feeding system A first cutoff valve 24 and a second cutoff valve 41 are closed in a state in which an internal combustion engine 1 is stopped, and a reducing amount of a pressure P0 in a high pressure passageway 11 after the passage of a predetermined decision time T0 a... | 08/06/2002 |
| 6401698 | Vehicle fuel gas supply system A vehicle fuel gas supply system includes, a fuel line supplying a fuel gas to a gas engine, a shut-off valve and a pressure sensor disposed on said fuel line, and a control section. The pressure sensor is disposed closer to the gas engine in comparison w... | 06/11/2002 |
| 6390075 | Vehicle fuel gas supply system A vehicle fuel gas supply system includes a fuel line supplying a fuel gas to a gas engine, a shut-off valve and a pressure sensor disposed on said fuel line, and a control section. The pressure sensor is disposed closer to said gas engine in comparison w... | 05/21/2002 |
| 6257210 | Compressed natural gas (CNG) fueling system for CNG vehicles A CNG fueling system includes a plurality of CNG tanks for storing compressed natural gas, a supply pipe for connecting the tanks to a combustion chamber of a internal combustion engine, valves provided in the supply pipe, a low pressure regulator for reg... | 07/10/2001 |
| 6240910 | Fuel injection control system for compressed natural gas-fueled automotive vehicle A compressed natural gas-fueled automotive vehicle is disclosed in which the fail-safe control operation is performed thereby to secure the safety of the vehicle when the gas pressure drops. If the remaining amount of the gas is very small, an engine misf... | 06/05/2001 |
| 6223714 | Method for increasing the safety of motor-vehicle occupants in the event of a crash Switching off a fuel pump of a fuel supply system for the internal combustion engine with the aid of a signal from a retardation sensor of the airbag in the event of a crash in which the motor vehicle is involved is known. To further enhance the safety of... | 05/01/2001 |
| 6196205 | Fuel control system for gas-operated engines A fuel control system for delivering gaseous fuel from a source to a gas-operated engine that includes a normally open electronic control valve connected between the fuel source and the engine, and responsive to electronic valve control signals for variab... | 03/06/2001 |
| 6189517 | Internal combustion engine with low viscosity fuel system A pressurized fuel tank maintains fuel in its liquid phase and is connected to a fuel pump providing fuel to an accumulator. Control valves control fuel flow to injectors feeding fuel to combustion cylinders. When the engine is shut down, one way check va... | 02/20/2001 |
| 6142128 | Means for controlling the delivery of gas in self-propulsion gas systems A device for the control of the delivery of the gas in self-propulsion gas systems, in methane gas systems in particular. The system includes a gas cylinder under high pressure, a pipeline which conveys the gas from the cylinder to the engine and devices ... | 11/07/2000 |
| 6044806 | Method and apparatus for detecting gaseous fuel leakage through a gaseous fuel admission valve within an engine A method of detecting leakage through a gaseous fuel admission valve of a dual fuel engine including at least one such gaseous fuel admission valve and a gaseous fuel shut off valve includes determining a liquid fuel rate when the engine is operating in a... | 04/04/2000 |
| 6041762 | Control module for natural gas fuel supply for a vehicle The controls for controlling the supply of natural gas fuel for a vehicle are integrated together in a module which is located at the gas tank. Such controls include a high pressure regulator for lowering the pressure of the gas flowing from the tank and ... | 03/28/2000 |
| 6009860 | Method for responding to detection of an open fault condition in a gaseous fuel admission valve of an engine A method for responding to detection of an open fault condition in a gaseous fuel admission valve for providing a flow of gaseous fuel to an affected combustion cylinder of an engine, the engine including at least one other gaseous fuel admission valve fo... | 01/04/2000 |
| 5829418 | Fuel supply system for internal combustion engines A fuel supply system for an internal combustion engine including a fuel tank having a resin liner. The fuel tank is constructed so as to withstand refueling of compressed gaseous fuel. Fuel filled in the fuel tank is supplied to the engine through a fuel ... | 11/03/1998 |
| 5809970 | Backup control for natural gas fueled internal combustion engine An internal combustion engine is fueled with a controlled mixture of natural gas and air which mixture is regulated by a regulator responsive to an electronic controller. In the event of a system failure with the electronic controller shutting down, a bac... | 09/22/1998 |
| 5755210 | Fuel discharge preventive device of gas engine In a fuel discharge preventive device of a gas engine, in order to prevent high-pressure gaseous fuel remaining in a fuel distributing pipe when an engine is stopped, from leaking out of a gaseous fuel injection valve to be discharged to the open air, a f... | 05/26/1998 |
| 5701928 | Leak compressed fuel gas discharging device A leak compressed fuel gas discharging device in an automobile having a compressed fuel gas tank arranged within a shut-up compartment such as a trunk room is provided. The device comprises a pipe connecting portion to the compressed fuel gas tank closed ... | 12/30/1997 |
| 5690078 | Injection system for an internal combustion engine In order to increase the safety of an injection system in an internal combustion engine operating on self-igniting liquefied gas as a fuel, especially after the engine has been switched off, the proposal is put forward that at least one pressurized part o... | 11/25/1997 |
| 5611316 | Gas fuel supply mechanism for gas combustion engine A fuel supply mechanism for a gas combustion engine has a tank filled with a gas fuel, a fuel injector having a fuel injection valve mounted on the gas combustion engine, a pipe for supplying the gas fuel from the tank to the fuel injector, a gas fuel cut... | 03/18/1997 |
| 5549097 | Vehicular fuel control system and method A system 10 for controlling the operation of a propane powered vehicle engine includes a gas sensor 28 for providing a fuel rich signal and a fuel lean signal to a controller 20. The controller is also responsive to a tachometer 26 which senses the engine... | 08/27/1996 |
| 5540208 | Liquefied gas fuel supply system A system for vaporizing liquefied gas fuel supplied from a fuel tank and supplying it to an internal combustion engine includes a release path for releasing spontaneously evaporated fuel gas in said tank out of the tank. A catalytic burner is disposed in ... | 07/30/1996 |
| 5509393 | Vacuum lockoff apparatus and method A system for regulating fuel flow in a fuel line from a supply of fuel to an engine, comprising: a fuel regulator disposed in the fuel line intermediate of the engine and the fuel supply regulating the flow of fuel to the engine; vacuum lockoff apparatus,... | 04/23/1996 |
| 4721078 | LPG fuel shutoff system The present invention relates to a system for shutting off the LPG fuel supply route in a vehicle except in case of necessity. Namely, when an engine is stopped and a starting switch is in switched off, a solenoid valve is operated to shut off the LPG fue... | 01/26/1988 |