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| Number | Title | Issue Date |
| 7275443 | Pressure and differential pressure gauge with overload protection A pressure pickup, having a pressure chamber, which is located between a separating membrane and a platform. A pressure canal for hydraulic transmission of pressure to a measuring cell, includes, for dynamic overload protection, a Venturi throttle implemented by pro... | 10/02/2007 |
| 7199633 | Electric pulse generator and method for generating short electric pulses A method for generating short electric pulses, comprising the steps of generating a control pulse, feeding the control pulse to a bipolar transistor, which subsequently emits an output signal with a steep switch-off side by exploiting the charge storage effect of th... | 04/03/2007 |
| 6575144 | Method for controlling an engine utilizing vehicle position A method is provided for controlling an internal combustion engine in a vehicle. The method includes adjusting a fuel injection amount during engine crank based on a barometric pressure. The barometric pressure is determined from at least one signal recei... | 06/10/2003 |
| 6158416 | Reduced emissions elevated altitude speed control for diesel engines A diesel engine includes a fuel injection control system communicating with a barometric pressure sensor and throttle position sensor. An elevation compensation controller adjusts engine speed and fuel injection timing at high altitudes in response to the... | 12/12/2000 |
| 5553764 | Gas return cylinder for a reciprocating driver in a tool A tool for driving a nail or other fastener is actuated by a caseless propellant charge formed of combustible material that is transported into a combustion chamber on a strip. The propellant charge is ignited by striking a sensitizer portion of the charg... | 09/10/1996 |
| 5546911 | Fuel injection control apparatus An improved fuel injection control apparatus, in which a reference pressure is provided to a pressure regulator, for simplifying the fuel supply system by preventing the fuel quantity injected from injection valves into an engine from being influenced by ... | 08/20/1996 |
| 5020363 | Method for determining atmospheric air pressure in pressure-controlled fuel injection systems A method of determining the prevailing atmospheric air pressure in a pressure-controlled injection system wherein the intake manifold pressure (Ps), measured when a predetermined load condition of the engine has been detected, is multiplied by a predeterm... | 06/04/1991 |
| 4625696 | Pressure regulator for a petrol injection system The pressure regulator comprises a valving element caused to open or close a bleed port of the petrol circuit, and a diaphragm subjected to the pressure of said petrol and to a pressure which is a function of the engine intake pressure, said diaphragm bei... | 12/02/1986 |
| 4619286 | Elevation responsive automatic vehicle control system An altitude compensation unit for governing the combustion mixture in an automotive vehicle engine carburetor in response to changes in altitude above a predetermined altitude comprising a housing, an aneroid bellows anchored to the housing, and a force b... | 10/28/1986 |
| 4475521 | Fuel injection pump for internal combustion engines A fuel injection pump for internal combustion engines is proposed which has a hydraulic injection instant adjuster, which is exposed to an rpm-dependent pressure established with the aid of a pressure control valve. The control of the pressure control val... | 10/09/1984 |
| 4413601 | Method for computing a compensation value for an engine having electronic fuel injection control A compensation value computing method for an electronic fuel injection controlled engine according to this invention measures an operating parameter for detecting the idling, low-load and high-load running conditions of the engine. First, second and third... | 11/08/1983 |
| 4334514 | Fuel injection pump for internal combustion engine A fuel injection pump having a hydraulic adjuster for the instant of injection is proposed, in which in addition to the rpm-proportional adjustment of the onset of injection, a supplementary variation of the onset of injection occurs in accordance with pr... | 06/15/1982 |
| 4307696 | Electronic control system for air fuel ratio compensation in highlands An electronic control system which electronically controls the air fuel ratio of a mixture being supplied to a gasoline engine in highlands. An orifice device is provided in a passage through which secondary air is supplied to the venturi section of the e... | 12/29/1981 |
| 4282840 | Internal combustion engine with altitude compensation device An altitude compensation device for an internal combustion engine having a vacuum-operated ignition timing advancer and a carburetor has an atmospheric pressure variation responsive valve operative to control the air bleed of the carburetor and the vacuum... | 08/11/1981 |
| 4211201 | Fuel supply apparatus for internal combustion engines A fuel supply apparatus for an internal combustion engines comprises a throttle valve disposed in an intake conduit leading to the internal combustion engine, an air valve disposed in the intake conduit upstream of the throttle valve so as to define an ai... | 07/08/1980 |
| 3970063 | Fuel injection system A fuel injection system for internal combustion engines employing continuous fuel injection into an induction tube. The system includes a regulator which maintains constant fuel pressure upstream of a fuel metering and distribution valve assembly which ha... | 07/20/1976 |
