| Patent Number |
Title Of Patent |
Date Issued |
| 7133761 |
Method and apparatus for controlling an internal combustion engine using accelerometers |
November 7, 2006 |
| A method for processing an accelerometer data set generated from an operating internal combustion engine is disclosed. The processed accelerometer data is cepstrally filtered and a heat release trace is pulled from the accelerometer data set. That heat release trace is then used to e |
| 7100577 |
Common rail directly actuated fuel injection valve with a pressurized hydraulic transmission dev |
September 5, 2006 |
| A common rail directly actuated fuel injection valve is disclosed with a hydraulic transmission device that is fluidly isolated from the fuel so that the hydraulic fluid can be different from the fuel. This arrangement is particularly suitable for valves that inject a gaseous fuel, but c |
| 7090145 |
Liquid cooled fuel injection valve and method of operating a liquid cooled fuel injection valve |
August 15, 2006 |
| A liquid cooled fuel injection valve is operable to inject fuel directly into a combustion chamber through a nozzle orifice provided in an injector tip. The fuel injection valve further comprises a cooling system for draining fuel from a fuel cavity disposed within the injector tip and |
| 7077115 |
Direct injection gaseous fuel engine with ignition assist |
July 18, 2006 |
| An internal combustion engine and a method of operating same are provided with direct injection of gaseous fuel into a combustion chamber and an ignition assist apparatus disposed within the combustion chamber. An ignition assist apparatus disposed within the combustion chamber compr |
| 7040281 |
Method of injecting a gaseous fuel into an internal combustion engine |
May 9, 2006 |
| A method of operating a gaseous-fueled internal combustion engine comprises selecting one of at least two predetermined operating modes as a function of engine load and engine speed. A first operating mode is selected when said engine is commanded to operate within a first region cor |
| 7036322 |
Storage tank for cryogenic liquids |
May 2, 2006 |
| A storage tank for cryogenic liquids incorporates an ullage vessel that provides for an ullage space. The ullage vessel is in communication through an ullage line to a fill line that provides cryogen to a cryogen space. The junction where the ullage line and fill line meet is of a ce |
| 7011070 |
Method of reducing particulates and enhancing burning rate within a combustion chamber |
March 14, 2006 |
| A method and apparatus generate turbulence and impact on soot rich zone within a burning fuel jet within a combustion chamber of an internal combustion engine. A reservoir accumulates charge and projects the charge into a combustion chamber and into and around the burning fuel directly |
| 6898940 |
High pressure pump system for supplying a cryogenic fluid from a storage tank |
May 31, 2005 |
| A medium and high pressure pump systems supplies a cryogenic fluid from a storage tank. The system comprises a pump that is operable to pump cryogenic liquid or a mixture of cryogenic liquid and vapor. The pump preferably comprises an inducer with at least two chambers and means for |
| 6761325 |
Dual fuel injection valve and method of operating a dual fuel injection valve |
July 13, 2004 |
| A dual fuel injection valve separately and independently injects two different fuels into a combustion chamber of an internal combustion engine. A first fuel is delivered to the injection valve at injection pressure and a second fuel is either raised to injection pressure by an inten |
| 6675748 |
Method and apparatus for fuel injection into an internal combustion engine |
January 13, 2004 |
| A method and apparatus for injecting a gaseous fuel into a combustion chamber of an internal combustion engine (ICE) cylinder employs a combination of operating modes. First, one of a low load and a high load mode of operation is selected during the operation of the ICE. Low load and |
| 6659730 |
High pressure pump system for supplying a cryogenic fluid from a storage tank |
December 9, 2003 |
| A method and apparatus is provided for supplying both cryogenic liquid and vapor from a storage tank to a pump to reduce the need for venting. The pump is operable to pump cryogenic liquid or a mixture of liquid and vapor. Different operating modes are selectable to control mass flow rat |
| 6640773 |
Method and apparatus for gaseous fuel introduction and controlling combustion in an internal com |
November 4, 2003 |
| A method and apparatus for introducing gaseous fuel into a piston cylinder of an operating internal combustion engine in two separate stages involves monitoring a set of engine parameters, determining engine load and engine speed from the set of engine parameters, in a first stage, intro |
| 6640556 |
Method and apparatus for pumping a cryogenic fluid from a storage tank |
November 4, 2003 |
| In the present method and apparatus, cryogenic liquid and vapor are pumped from a storage tank and the proportion of liquid and vapor is controlled so as to influence flow rate through the apparatus. In an induction stroke, the piston of a reciprocating pump is retracted and cryogenic |
| 6589027 |
Double acting reciprocating motor with uni-directional fluid flow |
July 8, 2003 |
| A double-acting reciprocating motor with a uni-directional fluid flow path comprises a piston disposed within a cylinder. Within the cylinder, the piston defines a first chamber between the piston and a cylinder base and a second chamber between the piston and a cylinder head. Fluid is |
| 6584958 |
Directly actuated injection valve with a ferromagnetic needle |
July 1, 2003 |
| A directly actuated injection valve comprises a hollow valve housing, a valve needle disposed within the hollow interior, a needle spring and a tubular magnetostrictive actuator assembly disposed in an annular space around a portion of the valve needle. A magnetic field activates the |
| 6575138 |
Directly actuated injection valve |
June 10, 2003 |
| A directly actuated injection valve comprises a hollow valve housing, a valve member disposed within the hollow interior, a biasing mechanism, an actuator assembly and a passive hydraulic link assembly. The valve member is movable between a closed position and an open position for govern |
| 6564777 |
Directly actuated injection valve with a composite needle |
May 20, 2003 |
| A directly actuated injection valve comprises a hollow valve housing, a valve needle disposed within the hollow interior, a needle spring, and a magnetostrictive actuator assembly disposed in an annular space around a portion of the valve needle. A magnetic field actuates the magneto |
| 6547250 |
Seal assembly with two sealing mechanisms for providing static and dynamic sealing |
April 15, 2003 |
| A seal assembly for providing sealing between a movable cylindrical body and a housing body comprises separate sealing mechanisms for providing static and dynamic sealing. The seal assembly is associated in fixed relationship with either the cylindrical body or the housing body and p |
| 6439192 |
Gaseous and liquid fuel injection valve with concentric needles |
August 27, 2002 |
| A gaseous and liquid fuel injection valve for an internal combustion engine comprises an injection valve body that houses two separate concentric fuel injection valve assemblies. The first valve assembly is a pilot fuel needle valve assembly, which comprises a first needle movable in the |
| 6398527 |
Reciprocating motor with uni-directional fluid flow |
June 4, 2002 |
| A double-acting reciprocating motor with uni-directional fluid flow path comprises a piston disposed within a cylinder. A first chamber is defined by the cylinder space between the piston and a cylinder base. A second chamber is defined by the cylinder space between the piston and a cyli |
| 6336598 |
Gaseous and liquid fuel injector with a two way hydraulic fluid control valve |
January 8, 2002 |
| A hydraulically actuated dual fuel injector separately injects two fuels into a combustion chamber of an internal combustion engine. In particular, the two fuels may be controlled quantities of a first liquid fuel and a second gaseous fuel that are used to fuel a diesel engine. The injec |
| 6298833 |
Fluid seal apparatus and method for dynamically controlling sealing-fluid pressure |
October 9, 2001 |
| A dynamic fluid sealing system for a fuel injection valve employs sealing-fluid to separate a gaseous fuel and a second fluid in the fuel injection valve, thereby preventing leakage of the gaseous fuel into the second fluid. A pressure-balancing system, which includes a pressure-bala |
| 6298829 |
Directly actuated injection valve |
October 9, 2001 |
| A directly actuated injection valve comprises a hollow valve housing, a valve needle disposed within the hollow interior, a needle spring, an actuator assembly, and a hydraulic link assembly. The valve needle is movable between a closed position and an open position for governing the |
| 6202601 |
Method and apparatus for dual fuel injection into an internal combustion engine |
March 20, 2001 |
| Two different fuels are injected into the combustion chamber of an internal combustion engine. A main fuel is ignited by a pilot fuel that is more readily flammable than the main fuel. According to the method, load conditions on the engine are monitored and sets of conditions are defined |
| 6073862 |
Gaseous and liquid fuel injector |
June 13, 2000 |
| A hydraulically actuated dual fuel injector for an internal combustion engine. More particularly, the application pertains to a hydraulically actuated injector for injecting controlled quantities of a first fuel and of a second fuel into an internal combustion diesel engine at different |
| 5996558 |
Hydraulically actuated gaseous or dual fuel injector |
December 7, 1999 |
| This invention relates to a novel hydraulically actuated fuel injector for an internal combustion engine. More particularly, the application pertains to a hydraulically actuated gaseous injector for injecting main fuel and optional pilot fuel into an internal combustion engine at differe |
| 5884488 |
High pressure fuel supply system for natural gas vehicles |
March 23, 1999 |
| This invention relates to a medium and high pressure liquid natural gas fuel system for internal combustion engines and for other cryogenic systems. A cryogenic pump comprising: (a) a vessel for containing compressed gas and liquid; (b) a first chamber in said vessel with an inlet th |
| 5868122 |
Compressed natural gas cylinder pump and reverse cascade fuel supply system |
February 9, 1999 |
| The invention relates to an apparatus and method for supplying high pressure gaseous fuel from a storage vessel to an internal combustion engine of a vehicle, or for other uses. A reverse cascade fuel supply apparatus for a vehicle comprising: (a) a storage tank for storing high pres |
| 5832906 |
Intensifier apparatus and method for supplying high pressure gaseous fuel to an internal combust |
November 10, 1998 |
| The invention relates to an apparatus and method for supplying high pressure gaseous fuel from a storage vessel to a vehicle's internal combustion engine. More particularly, the invention is a fuel supply system with three main components: the storage vessel; an intensifier; and, an |
