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| Number | Title | Issue Date |
| 7281518 | Method and system of diesel engine setpoint compensation for transient operation of a heavy duty diesel engine Method for controlling and improving the transient emissions of an electronically controlled heavy duty diesel engine having an ECM with memory, a turbocharger and an EGR system. ... | 10/16/2007 |
| 7225788 | Fuel supply system of vehicle A fuel supply system of a vehicle is provided with a fuel tank 10 supported on a vehicle at a level equal to or lower than that of the carburetors 16 and 17 combined with an engine 5. A vacuum fuel cut valve 12 is placed on the upp... | 06/05/2007 |
| 7069915 | Pressure actuated fuel vent closure and fuel shutoff apparatus A device includes an internal combustion engine, an engine control device coupled to the internal combustion engine and manually operable to stop operation of the engine, a fuel tank coupled to the engine for providing fuel to the engine, and a fuel vent closure dev... | 07/04/2006 |
| 6882929 | NOx emission-control system using a virtual sensor A method and system may be provided to perform a process for controlling NOx emissions of an target engine. In one embodiment of the invention, the process may include determining predicted NOx values based on a model reflecting a predetermined... | 04/19/2005 |
| 6871135 | Method for operating an internal combustion engine, the internal combustion engine and a control apparatus therefor The invention is directed to a method for operating an internal combustion engine (1) wherein a fault of a pressure system with a pressure sensor (14) is determined by a first diagnostic system (14′) of the engine (1). The pressure sens... | 03/22/2005 |
| 6868327 | Device for estimating an amount of intake air of an internal combustion engine A device for estimating the amount of intake air of an internal combustion engine comprising intake pipe pressure calculation means for calculating an intake pipe pressure, at this time, downstream of the throttle valve, and intake air amount calculation means for c... | 03/15/2005 |
| 5816217 | Diesel engine air/fuel ratio controller for black smoke reduction A controller for mechanically setting a diesel engine's air/fuel ratio at a stoichiometric value to reduce black smoke emissions by regulating the quantity of fuel injected into a diesel engine's combustion chamber in response to the quantity of air flow ... | 10/06/1998 |
| 5609137 | Fuel injection apparatus for a two-stroke internal combustion engine A fuel injection apparatus of the invention for a two-stroke engine including a fuel injection with an adjusting device, which via a pulsating pressure line is supplied with the pulsating internal pressure and inner chamber of a crankcase of the two-strok... | 03/11/1997 |
| 5218940 | Aneroid boost modulator An aneroid boost modulator briefly restricts mass air flow from a turbocharged diesel engine intake manifold to a fuel injection pump aneroid control during free engine acceleration to inhibit operation of the aneroid controller until the engine and the t... | 06/15/1993 |
| 5146889 | Governor assist mechanism An apparatus for assisting a primary governor device (20) on an engine at certain load conditions or during transient loading is disclosed. The primary governor device has a control arm (12) which is moved by a primary governor spring (15) via a primary g... | 09/15/1992 |
| 5101793 | Manually adjustable override for fuel injection regulators A manually adjustable override apparatus is connected to an existing fuel pressure regulator to alter the fuel-to-air mixture fed to fuel injectors. A T-shaped member has a lower end adapted to be connected on the vacuum hose fitting of the regulator and ... | 04/07/1992 |
| 5003949 | Governor assist mechanism An apparatus for assisting a primary governor device (20) on an engine at certain load conditions or during transient loading is disclosed. The primary governor device has a control arm (12) which is moved by a primary governor spring (15) via a primary g... | 04/02/1991 |
| 4872437 | Fuel pressure regulator for internal combustion engine A fuel pressure regulator includes a valve member 18 supported by a diaphram 16 which serves to receive fuel pressure supplied by a fuel pump, first and second cylindrical valve seats 15a, 22 associated with the valve member to perform on-off operations, ... | 10/10/1989 |
| 4813389 | Fuel injection system for internal combustion engines A fuel injection system for spontaneous-combustion engines wherein a first reciprocable element regulates the quantity of injected fuel and a second reciprocable element regulates the timing of fuel injection. The elements are movable by discrete centrifu... | 03/21/1989 |
| 4741316 | Fuel injection system A fuel injection system for internal combustion engines is proposed which serves to inject a quantity of fuel adapted to the aspirated air quantity. In the intake tube of the engine, an intake tube section downstream of a throttle valve communicates with ... | 05/03/1988 |
| 4727839 | Pneumatic diaphragm control element for a fuel injection apparatus in internal combustion engines A pneumatic diaphragm control element for a fuel injection apparatus for internal combustion engines, in particular for supercharged diesel engines, has a thrust rod that is axially displaceable between two end stop counter to the force of a restoring spr... | 03/01/1988 |
| 4616615 | Method and system for controlling idling speed for a Diesel engine In a Diesel engine with a Bosch-type fuel pump or the like having a control lever which determines the fuel injection quantity, idling speed is controlled by a movable stopper which abuts the control lever to place a lower limit on fuel injection quantity... | 10/14/1986 |
| 4562810 | Fuel injection pump A fuel injection pump according to the present invention is provided with a spill passage and an escape passage which are connected to a pump chamber. Disposed in the middle of the spill passage is a solenoid valve, which is adapted to open the spill pass... | 01/07/1986 |
| 4534329 | Supply system for super charged diesel engines A supply system for supercharged diesel engines which has the purpose of obtaining high power for short periods of time without making it necessary to introduce changes to the engine, but simply by adding to a normal supercharging circuit a predetermined ... | 08/13/1985 |
| 4505242 | Control apparatus for internal combustion engines A control apparatus for internal combustion engines, which generates an adjustment path on the path of an adjustment member which is proportional to the air mass supplied to the engine. The control apparatus contains a counterpart pressure chamber sealed ... | 03/19/1985 |
| 4461260 | Fuel injection system for two-cycle internal combustion engines Several embodiments of fuel injection controls for two-cycle crankcase compression internal combustion engines. In each embodiment, the fuel injection is controlled by measuring the amount of air inducted through measurement of the pressure generated in t... | 07/24/1984 |
| 4449504 | Distributor type fuel injection pump A distributor type fuel injection pump has an accumulator. When an internal combustion engine is in low-speed rotation or in low-load operation, the accumulator accumulates part of the fuel pressurized within a fuel compression chamber, thereby lowering t... | 05/22/1984 |
| 4444170 | Fuel injection pump for internal combustion engines A fuel injection pump, the volume adjustment member of which has a limiter of its play in the form of an adjustable device, which is movable in accordance with the displacement of a control piston in response to a contour provided in the control piston. T... | 04/24/1984 |
| 4441472 | Charge-pressure-dependent control apparatus for supercharged fuel-injection engines, in particular for Diesel motor vehicle engines There is proposed a control apparatus (FIG. 1), which in order to prevent the emission of smoke upon acceleration of the engine, controls a damping stroke (hD) preceding the adjusting stroke (hL) which is controlled in accordance wit... | 04/10/1984 |
| 4416233 | Control apparatus for internal combustion engines A control apparatus for internal combustion engines, which generates an adjustment path on the part of an adjustment member which is proportional to the air mass supplied to the engine. The control apparatus contains a counterpart pressure chamber sealed ... | 11/22/1983 |
| 4372268 | Apparatus for controlling fuel flow A fuel controller to retard rate of increase in fuel flow during acceleration when corresponding intake pressure is not at a desirable level. Particularly in turbo-charged engines, during periods of acceleration, increase in air pressure lags behind the i... | 02/08/1983 |
| 4365600 | Diesel throttle valve control system An intake air throttle valve control system for a diesel engine which greatly reduces vibration, noise and rough engine running at idling speeds. An intake passage connected in series with the intake manifold of the engine is divided into first and second... | 12/28/1982 |
| 4354476 | Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in auto-igniting internal combustion engines An apparatus is proposed which serves the purpose of controlling the exhaust gas recirculation quantity and the injection quantity in auto-igniting internal combustion engines. In this apparatus, an arbitrarily actuatable throttle valve is provided in the... | 10/19/1982 |
| 4343275 | Electromagnetically actuated pumps A pump and pump system employs electromagnetic actuation during discrete, periodic time periods, imparting rapid strokes covering small distances. Each stroke is delineated by stop members at least one of which is of wedge-like form and is controllably sh... | 08/10/1982 |
| 4304209 | Apparatus for controlling the recirculated exhaust gas quantities and the injection quantity in auto-igniting internal combustion engines An apparatus is proposed which serves the purpose of controlling the exhaust gas recirculation quantity and the injection quantity in auto-igniting internal combustion engines. In this apparatus, an arbitrarily actuatable throttle valve is provided in the... | 12/08/1981 |
| 4280460 | Automatic regulator of the idling in an internal-combustion engine For the automatic adjustment of the number of revolutions per minute of an internal combustion engine in idling conditions when the accelerator pedal is released, a device is disclosed with which the instantaneous rpm is sensed and compared with reference... | 07/28/1981 |
| 4248188 | Hydraulic attenuator for air fuel control pump A diaphragm operated, air fuel control system for controlling the rate of fuel flow to an internal combustion engine in response to intake manifold pressure is disclosed wherein the transient response of the diaphragm operator is attenuated by a fuel fill... | 02/03/1981 |
| 4248193 | Fuel injection fuel control system FIG. 1 schematically shows a fuel control system for a fuel injected engine. The system includes two vacuum control circuits, essentially identical in valve structure. One circuit controls the recirculation of exhaust gases into the engine intake manifold... | 02/03/1981 |
| 4240395 | Air/fuel ratio controller An internal combustion engine has a fuel injection pump and an air/fuel ratio controller. The controller has a lever that is connected to the pump lever. An aneroid moves the controller lever as a function of changes in intake manifold vacuum to maintain ... | 12/23/1980 |
| 4227499 | Device for supplying fuel to a combustion engine Device for supplying fuel to the atomizer of a combustion engine comprises at least a pump to be connected with the atomizer having a piston-bounded pump chamber and an electromagnet for reciprocating said piston. Said device is improved, particularly with reg... | 10/14/1980 |
| 4223653 | Control apparatus for limiting the fuel supply quantity of a fuel injection pump for internal combustion engines A control apparatus for limiting the fuel supply quantity of a fuel injection pump for internal combustion engines such as Diesel engines or the like by means of which an automatically controlled additional starting quantity of fuel is variable in accorda... | 09/23/1980 |
| 4222359 | Injection pump, especially for motor vehicles An injection pump, especially for motor vehicles with a control rack and a centrifugal governor, in which the control rack is adjustable by way of a first vacuum box in dependence on the ignition key position and in which, in the stop position of the igni... | 09/16/1980 |
| 4213435 | Air/fuel ratio regulator A air/fuel ratio regulator for control of the movement of a fuel flow control lever on a fuel injection pump. A lever is connected to the pump lever and moved by an aneroid to change the pump fuel flow as a function of engine manifold vacuum changes to ma... | 07/22/1980 |
| 4195609 | Device for supplying fuel to a combustion engine and method of manufacturing said device Device for supplying fuel to the atomizer of a combustion engine comprises at least a pump to be connected with the atomizer having a piston-bounded pump chamber and an electromagnet for reciprocating said piston. Said device is improved, particularly with reg... | 04/01/1980 |
| 4187818 | Fuel injection pumping apparatus for internal combustion engines including manifold pressure device A fuel injection pumping apparatus for supplying fuel to an internal combustion engine includes an injection pump to which fuel is supplied by a feed pump under the control of an operator adjustable throttle means. A valve is provided intermediate the thr... | 02/12/1980 |
