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| Number | Title | Issue Date |
| 4177782 | Ignition system providing sparks for two ignition plugs in each cylinder from a single ignition coil Two ignition plugs are provided for each cylinder of an engine. Since it is desirable that these two plugs be sparked by one ignition coil, separate output terminal of a secondary coil of the ignition coil are respectively connected to each of the two plu... | 12/11/1979 |
| 4117820 | Ignition circuit An ignition circuit for use in an internal combustion engine comprises a magnet generator mechanically connected to a crank shaft of the engine. A first transistor is turned on and off by an alternating voltage signal from the magnet generator. A power tr... | 10/03/1978 |
| 4112880 | Method of and mixture control system for varying the mixture control point relative to a fixed reference A control point of a closed loop mixture control system for an internal combustion engine is varied by extending the duration of a signal representative of the deviation of air-fuel ratio from a preset value, or by alternately supplying an engine speed re... | 09/12/1978 |
| 4112897 | Rotational speed governor for an injection pump in air-compressing injection internal combustion engines A rotational speed controller for an injection pump in air-compressing injection internal combustion engines with an abutment member limiting the full-load injection quantity by way of the control rack of the injection pump; during the starting operation ... | 09/12/1978 |
| 4109628 | Adjustable regulation governor A governor mechanism for a fuel injection pump is of the type having interacting fly-weights and a main governor spring for regulating engine speed, and means are included for selectively changing the spring rate of the main governor spring to change the ... | 08/29/1978 |
| 4109626 | Fuel supply control system with feedback fuel pipe for internal combustion engine A feedback fuel pipe is provided, between a fuel reservoir and a portion of a main fuel pipe communicating with a discharging nozzle, for controlling the amount of fuel fed back to the fuel reservoir, which control is actually performed by valve means whi... | 08/29/1978 |
| 4109627 | Two-speed fuel injection pump governor Flyweights develop sufficient centrifugal force to overcome the preload of a high speed governor spring when the speed of an internal combustion engine is above a predetermined maximum value to move a fuel control rod to decrease the amount of fuel inject... | 08/29/1978 |
| 4108128 | Fuel supply system for internal combustion engines A fuel supply and mixture generating system for an internal combustion engine includes an air flow rate meter and, downstream thereof in the induction tube, a pivoting throttle plate actuated from the outside. Pivoting on the same shaft as the throttle pl... | 08/22/1978 |
| 4105001 | Control mechanism for operation of an internal combustion engine A control mechanism for operation of an internal combustion engine has a throttle, a plurality of cylinders and a three dimensional cam formed with first and second curved surfaces; the first surface is dependent in cam position from a changeable operatin... | 08/08/1978 |
| 4099491 | System controlling any air/fuel ratio with stoichiometric sensor and asymmetrical integration In a fuel management system for an internal combustion engine, a system utilizing a stoichiometric gas sensor in the exhaust gas system for supplying an electrical signal to an asymmetrical integrator which controls and maintains any desired air/fuel rati... | 07/11/1978 |
| 4099506 | Idling abutment for the governor of an injection pump of an air-compressing internal combustion engine An idling abutment for the controller of an injection pump of an air-compressing internal combustion engine with combustion spaces heated by means of glow plugs, with an idling quantity increase, with a movable, adjusting and spring-loaded abutment for th... | 07/11/1978 |
| 4098243 | Ignition timing control system An ignition timing control system comprises a sensor for detecting a reference point of the crankshaft of an internal combustion engine in synchronism with the rotation of the crankshaft, a speed detector for detecting the rotational speed of the cranksha... | 07/04/1978 |
| 4098232 | Pre-chamber in the cylinder head of an internal combustion engine with applied ignition A pre-chamber in the cylinder head of an internal combustion engine with applied ignition, whereby the pre-chamber which includes an opening for the spark plug and at least one opening leading to the main combustion space is constructed as a structural pa... | 07/04/1978 |
| 4098234 | Engine control system In an engine control system, particularly for fuel injection, the frequency of a variable frequency clock is compared with an output signal from a memory device and the difference used to control an engine function. The frequency of the clock is determine... | 07/04/1978 |
| 4096833 | Circuit for frequency modulated fuel injection system A frequency modulated control circuit for an electronic fuel injection system to control the pulse-type injection of fuel at a single point of the fuel intake of an internal combustion engine in accordance with the derived mass air flow rate into the engi... | 06/27/1978 |
| 4096831 | Frequency modulated fuel injection system A frequency modulated control circuit for an electronic fuel injection system to control the pulse-type injection of fuel at a single point of the fuel intake of an internal combustion engine in accordance with the derived mass air flow rate into the engi... | 06/27/1978 |
| 4094273 | Air-fuel ratio adjusting system In an air-fuel ratio adjusting system for an internal combustion engine equipped with a carburetor having a bypass air passage for controlling an air-fuel ratio of an air-fuel mixture to be supplied to the engine, a bypass valve disposed in the bypass pas... | 06/13/1978 |
| 4091777 | Electronic control circuit for a carburetor device A control circuit for delivering control signals to interrupt admission of the fuel-air mixture in the low speed and idle circuit of the carburetor of an internal combustion engine. The control circuit is operated according to the engine operating conditi... | 05/30/1978 |
| 4091773 | Frequency modulated single point fuel injection circuit with duty cycle modulation A frequency modulated control circuit for an electronic fuel injection system to control the pulse-type injection of fuel at a single point of the fuel intake of an internal combustion engine in accordance with the derived mass air flow rate into the engi... | 05/30/1978 |
| 4089315 | Fuel injection systems A fuel injection system for supplying fuel to an internal combustion engine includes a displacement piston which can be moved to displace fuel through a valve controlled outlet. The piston can contact the valve to prevent further flow of fuel through the ... | 05/16/1978 |
| 4089311 | Fuel supply system for internal combustion engines A fuel supply system for internal combustion engines includes a fuel reservoir adjacent the induction manifold from which fuel is aspirated depending on pressure differences in two separate regions of the manifold. An electric controller reacts to engine rpm a... | 05/16/1978 |
| 4088107 | Electronic ignition control device for a motor vehicle An electronic ignition control device employs two switch devices (e.g. mechanical contact breakers) operating at different instants to control initiation and interruption of current flow in the primary winding of the ignition coil. The coil current is con... | 05/09/1978 |
| 4086889 | Electromagnetic selector valve system An electromagnetic selector valve system having an electrically conductive coil adjacent a moveable core within a valve body. First, second and third valve passages are in communication with the valve body, and biasing means are adapted to bias the recipr... | 05/02/1978 |
| 4086886 | Cooling installation A cooling installation for liquid-cooled internal combustion engines, for example, for use in armored vehicles, in the form of an annular radiator block which is traversed by the cooling air from the inside toward the outside and which includes a radial b... | 05/02/1978 |
| 4085722 | Distributor type fuel pump A small, high-speed distributor type fuel pump for use with internal combustion engines is provided. The pump includes a pair of opposed pistons driven by an eccentric on a drive shaft. Means are provided for varying both the volumetric flow as well as ti... | 04/25/1978 |
| 4085522 | Method and apparatus for freely suspending moving webs of material This invention relates to a method for freely suspending a moving web of material in a gaseous medium, which comprises impinging a stream of the gaseous medium over the entire width of one surface of the web in order to produce a first stationary stable p... | 04/25/1978 |
| 4084552 | Method and apparatus for fuel injection control A control pulse generator for the fuel injection system of internal combustion engines. The rpm-dependent trigger signal is applied simultaneously to two multivibrators one of which generates pulses whose length is determined by engine parameters while th... | 04/18/1978 |
| 4083335 | Apparatus for controlling the ignition timing of an internal combustion engine An apparatus for controlling the vacuum ignition timing of an internal combustion engine provided with an exhaust gas recirculation system is disclosed. The apparatus comprises a vacuum advancer having at least one diaphragm therein which forms a chamber ... | 04/11/1978 |
| 4082140 | Heat exchange method Heat exchange takes place between two fluids, namely, mineralized aqueous fluid containing dissolved or dispersed solids or mineral salts and a second fluid, in heat exchange apparatus wherein the surfaces to be contacted by the mineralized aqueous fluid ... | 04/04/1978 |
| 4077380 | Controlled-duration continuous-wave high-frequency ignition system An ignition system for internal combustion engines. It concerns an improvement for a controlled-duration continuous-wave high-frequency system, that has an output transformer with a control winding thereon. The system has an oscillator with the output tra... | 03/07/1978 |
| 4075997 | Spark ignition systems for internal combustion engines A spark ignition system includes a variable reluctance pick-up providing the input signal to a saturating amplifier which includes a feedback path constituted by a capacitor and a resistor in series. This amplifier has a transfer function while it is bein... | 02/28/1978 |
| 4073270 | Electronically-controlled fuel injection system An electronically-controlled fuel injection system for internal combustion engines is disclosed. Pulse width of a reference pulse generated in accordance with principal engine operating parameters is converted into a binary code and memorized. Oscillation... | 02/14/1978 |
| 4071082 | Conversion of a dual duct, dual temperature air conditioning system to a single temperature system A method for converting an air conditioning system, for cooling an environment, having respective hot and cold air supply ducts and a dual duct terminal box wherein the hot and cold air is mixed to achieve a desired temperature for delivery to the environ... | 01/31/1978 |
| 4069795 | Start-up control for fuel injection system A fuel injection system for a multi-cylinder engine includes means for generating a sequence of pulses during each cycle of the engine. These pulses trigger variable width pulse generators, sensitive to the engine operating parameters. The variable width ... | 01/24/1978 |
| 4068642 | Fuel ratio control with manually operated air override An engine fuel-control system having fuel-limiting means for controlling and/or limiting the quantity of fuel delivered to an engine in response to a signal generated by operation of the engine is provided with selectively adjustable overriding means for ... | 01/17/1978 |
| 4067383 | Heating and cooling system for a multiple coil installation The heating and cooling system for a multiple coil installation includes a bypass passage or conduit provided with a check valve which is closed when the pump of either the heating circuit or the cooling circuit is energized and which is opened when the p... | 01/10/1978 |
| 4061122 | Spark plug A spark plug generally similar to standard design including a body member supporting a pair of electrodes to provide a spark gap in the combustion chamber of an internal combustion engine, the side electrode carrying a projecting extension outside the spa... | 12/06/1977 |
| 4060059 | Internal combustion engine An internal combustion engine with greatly reduced emission of pollutants includes a piston having a piston chamber communicating through orifices with the working chamber of the cylinder and an annular balancing chamber communicating with the working cha... | 11/29/1977 |
| 3996817 | Transmission including dual input clutch assembly A transmission constructed according to the present invention includes a plurality of planetary gear sets, two inputs clutches being simultaneously engaged to establish an intermediate gear ratio within the transmission, each of the input clutches also be... | 12/14/1976 |
| 3958494 | Multiple displacement hydraulic motor drive apparatus A rotary power drive is provided for delivering a substantially constant horsepower over a wide speed range in one direction of rotation comprising two or more constant displacement hydraulic motive means operatively associated with a shaft to be driven t... | 05/25/1976 |
