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| Number | Title | Issue Date |
| 7328688 | Fluid pumping apparatus, system, and method A fluid pumping apparatus, system, and method are disclosed in which an apparatus according to one embodiment of the invention comprises a housing, an inlet through which the fluid enters the housing, an outlet through which the fluid leaves the housing, a valve com... | 02/12/2008 |
| 7192665 | Regulator for fuel cell A regulator for use with fuel cells, which is mounted in a pressure controller of a fuel cell system, has a first diaphragm flexible under the pressure of pilot air supplied as an oxidizing agent to a pilot chamber, a second diaphragm flexible under the pressure of ... | 03/20/2007 |
| 7150299 | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor A fluid control and gas delivery assembly and method for containing, receiving and storing hazardous fluids and for dispensing gas comprising a container, a fluid fill path, a gas dispensing path, a first shut-off valve, a pressure reducer, a fluid flow restrictor, ... | 12/19/2006 |
| 7013916 | Sub-atmospheric gas delivery method and apparatus An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressur... | 03/21/2006 |
| 6973922 | Fuel supply control system for engine A composite control valve is constructed by a valve housing, first and second diaphragms mounted to the valve housing and disposed to be opposed to each other, a negative pressure working chamber defined between the first and second diaphragms to communicate with a ... | 12/13/2005 |
| 6631705 | Modular fuel control apparatus The present invention provides a fuel control apparatus with a modular fuel pressure modifying mechanism (i.e., a fuel metering section) and modular fuel regulator mechanism (i.e., a fuel regulator section) that can each be calibrated independently of eac... | 10/14/2003 |
| 6065451 | Bypass valve with constant force-versus-position actuator A control arrangement for a fuel system having a fuel pump (13) for supplying fuel through a variable orifice flow metering valve (15) to an engine main fuel control (45), the control (45) controlling the fuel pressure differential across the orifice of t... | 05/23/2000 |
| 5035222 | System for correcting the composition of fuel-air mixture upon a change in the state of loading of an internal combustion engine A system with which a correction of the fuel composition upon a change in the state of load of an internal combustion engine with which a mixture-forming device (4, 6, 8, 9, 11) is associated is constructed in structurally simple manner. The mixture-formi... | 07/30/1991 |
| 4915084 | Combustion engine with multi-fuel capability A combustion engine has apparatus effective to provide a fuel mixture of one or more liquid fuels such as gasoline of variable aromatic content, normal alcohols, cosolvents, octane improvers and hydrocarbons having different energy contents in an unknown ... | 04/10/1990 |
| 4694808 | Method and fuel injection system for fuel supply to a mixture-compressing internal combustion engine having externally supplied ignition A method and a fuel injection system for supplying fuel to a mixture-compressing internal combustion engine having externally supplied ignition is proposed. The fuel injection system includes metering valves, downstream of which regulating valves are disp... | 09/22/1987 |
| 4648368 | Fuel injection system A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating v... | 03/10/1987 |
| 4545353 | Fuel injection system A fuel injection system is proposed which serves to adapt the fuel-air mixture as precisely as possible to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assigned a regulating v... | 10/08/1985 |
| 4515128 | Fuel injection system A fuel injection system which serves to adapt the fuel-air mixture accurately over a wide range to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, with each of which a regulating valve is associa... | 05/07/1985 |
| 4509479 | Apparatus for air-injection of liquid gas An apparatus for the air-injection of liquid gas into the intake tube of an internal combustion engine. The apparatus includes a vaporizer pressure regulating valve, downstream of which a metering valve having a metering piston is proposed, which being mo... | 04/09/1985 |
| 4509715 | Pressure control valve A pressure control valve with an impact plate which serves as a regulator for a specific drop in pressure. The pressure control valve includes an armature disposed in an electromagnetic field established by an electromagnetic coil and a permanent magnetic... | 04/09/1985 |
| 4501247 | Electronically controllable and regulatable fuel metering system of an internal combustion engine It is proposed for a fuel metering system that a final control element be triggered with a regulated direct-current signal having clock components dependent on operating characteristics of an internal combustion engine in order to influence a fuel meterin... | 02/26/1985 |
| 4489700 | Method for supplying an internal combustion engine with fuel and a fuel supply system for performing the method A method for supplying an internal combustion engine with liquefied petroleum gas (LPG) and a fuel supply system for the supplying the LPG into the intake manifold of an internal combustion engine are proposed. The fuel supply system includes a pump, whic... | 12/25/1984 |
| 4467766 | Fuel injection system A fuel injection system is proposed which is triggerable in such a way that in the presence of control signals, in particular those characterizing engine overrunning, the fuel injection is interrupted. The fuel injection system includes metering valves to... | 08/28/1984 |
| 4421089 | Fuel metering apparatus A fuel/air ratio control apparatus for a reciprocating engine used in light aircraft including a fuel metering apparatus (32) and an electronic fuel/air ratio control (39). The control (39) generates an electrical signal (Wf/Wa) indicative of a desired fu... | 12/20/1983 |
| 4408587 | Fuel injection system A fuel injection system is proposed which is triggerable in such a way that in the presence of control signals, in particular those characterizing engine overrunning, the fuel injection is interrupted. The fuel injection system includes metering valves to... | 10/11/1983 |
| 4395986 | Fuel injection apparatus A fuel injection apparatus is proposed for internal combustion engines with distributor and apportionment valves, which serves to apportion a quantity of fuel proportional to the induced air quantity. The distributor and apportionment valves of the fuel i... | 08/02/1983 |
| 4391252 | Fuel injection system A fuel injection system for supercharged internal combustion engines is proposed, which serves to meter a quantity of fuel adapted to the quantity of air aspirated by the engine and also serves to regulate the fuel-air mixture in accordance with operating... | 07/05/1983 |
| 4383513 | Fuel injection system A fuel injection system is proposed which can be triggered such that when control signals characterizing engine overrunning are present, fuel injection is interrupted. To this end a pressure relief valve is provided, which opens in the presence of control... | 05/17/1983 |
| 4381751 | Fuel injection system A fuel injection system is proposed which serves to provide the most precise possible adaptation of the fuel-air mixture to operating conditions of the internal combustion engine. The fuel injection system includes metering valves, each of which is assign... | 05/03/1983 |
| 4364361 | Fuel injection system The present invention relates to a fuel injection system designed to supply fuel to a mixture compressing externally ignited internal combustion engine. The fuel injection system comprises an air metering member which is displaceable in a suction tube in ... | 12/21/1982 |
| 4364362 | Metering and distribution valve assembly A metering and distribution valve assembly is proposed for a fuel injection system of an internal combustion engine. The metering and distribution valve assembly includes a control slide having a head 68 and a control edge and a slotted sleeve with at lea... | 12/21/1982 |
| 4359990 | Fuel injection system A continuous fuel injection system for an internal combustion engine including a fuel metering valve 7 operating at a controlled pressure difference between chambers 13,14, the pressure difference being automatically adjusted by a regulating valve 17 incl... | 11/23/1982 |
| 4354472 | Fuel injection system A fuel injection system is proposed which can be triggered in such a manner that when control signals characterizing engine overrunning are present the fuel injection is interrupted. The fuel injection system includes metering valves, each of which is ass... | 10/19/1982 |
| 4350131 | Fuel injection device of an internal combustion engine A fuel injection device comprising an injection unit having a back pressure chamber and a fuel chamber which are separated by a diaphragm. The fuel chamber has on its lower end a fuel nozzle. A needle, cooperating with the fuel nozzle, is connected to the... | 09/21/1982 |
| 4346687 | Fuel injection systems This invention relates to a fuel injection system. The fuel injection system has a fuel proportioning valve (3,4) which is supplied by a fuel feed line (39). The fuel proportioning valve supplies fuel to fuel injection valves (not shown) via a diaphragm valve ... | 08/31/1982 |
| 4338902 | Fuel supplying device for internal combustion engine A fuel supplying device for an internal combustion engine having a fuel supply passage (4) for introducing fuel fed from a fuel pump (2) at a substantially constant pressure to a fuel injector (9) operative at a predetermined constant pressure. The fuel i... | 07/13/1982 |
| 4334511 | Fuel injection system for an internal combustion engine A vacuum-operated air-valve actuator has a vacuum chamber held in communication with the intake air passage not only at a point between the air valve and the throttle valve but also at a point on the downstream side of the latter. In low load engine opera... | 06/15/1982 |
| 4333435 | Fuel injection device A fuel injection apparatus of the type which uses a servomechanism utilizing a fluid to control the fluid-communication ratio of a fuel measuring gate disposed in a fuel supply passage. The device is so designed that signals which detect the operating con... | 06/08/1982 |
| 4327699 | Control for operating mixture in internal combustion engines An apparatus is proposed for the open-loop control of the composition of the operating mixture to be introduced into the combustion chambers of an internal combustion engine. In this apparatus, the dispensing of the aspirated air quantity is effected by m... | 05/04/1982 |
| 4326487 | Fuel injection system A fuel injection system is proposed which brings about an improvement in the acceleration behavior of an internal combustion engine. The fuel injection system includes an intake manifold having a measuring device arranged therein which is moved against a ... | 04/27/1982 |
| 4306530 | Fuel injection system A fuel injection system which serves to supply fuel to a mixture-compressing, externally ignited internal combustion engine which includes an air flow rate member for actuating a metering and distribution valve, a flushing valve is disposed in an outlet l... | 12/22/1981 |
| 4297981 | Fuel flow rate measuring device A fuel flow rate measuring device comprising a control rod axially movable in proportion to the rate of flow of air flowing through a suction pipe, a ball disposed in a taper bore and adapted to be moved in the taper bore by the control rod, the taper bor... | 11/03/1981 |
| 4294213 | Fuel supplying device for use in fuel injection type internal combustion engine A fuel supplying device for use in fuel injection type internal combustion engine. The device has a fuel metering device operatively connected to an air valve device disposed in the air horn upstream of a throttle valve, fuel supplying means adapted to su... | 10/13/1981 |
| 4286562 | Engine charge forming apparatus An engine charge forming device controls the fuel metering orifice area in proportion to the throttled air flow area of the induction passage and controls the pressure drop across the fuel metering orifice in proportion to a vacuum signal which is substan... | 09/01/1981 |
| 4284048 | Pressure control valve for a fuel injection system A pressure control valve for a fuel injection system is proposed which serves to control the warm-up fuel quantity for a mixture-compressing, externally ignited internal combustion engine. The pressure control valve includes a movable valve part which is ... | 08/18/1981 |
