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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6668780 | Device for electronic ignition systems The present invention relates to a device at an inductive sensor for achieving a displacement, dependent on the rotation speed, of the ignition preset in an electronic ignition system at combustion engines. The device comprises a coil (5), a magnet (3, 8)... | 12/30/2003 |
| 6668781 | Electric starter device for an internal combustion engine The invention relates to an electric starter for an internal combustion engine, having a thermal monitoring protector (4) for turning the starter (1) off when its limit operating temperature is reached. The starter is characterized by a device (5) for asc... | 12/30/2003 |
| 6668782 | System and method of controlling the activation of a vacuum-driven actuator A method and system of controlling a vacuum-driven actuator in a vehicle. The method includes determining an amount of vacuum available to actuate the actuator, determining whether the available vacuum is sufficient to actuate the actuator, actuating the ... | 12/30/2003 |
| 6668783 | Cylinder head for internal combustion engine A modified cylinder head for an internal combustion engine. The cylinder head includes an air inlet cavity that is divided into two channels.... | 12/30/2003 |
| 6668784 | Threaded insert for tapered seat spark plug bores, installation tools, and method of installation A thread insert and method to replace the damaged threads and tapered seat in a spark plug bore of an internal combustion engine allows for the continued use of the original factory specified spark plugs where the original threads in the spark plug bore h... | 12/30/2003 |
| 6668785 | Piston head for internal combustion engine A piston for an internal combustion engine of the high compression type, the piston having a body member defined by a cylindrical side wall and a lower end with means for connection to a piston rod and an upper end defining the piston head, the piston hea... | 12/30/2003 |
| 6668786 | Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine Rotary type fluid machine includes a casing 7, a rotor 31 and a plurality of vane-piston units U1-U12 which are disposed in a radiate arrangement on the rotor 31. Each of the vane-piston units U1-U12 has a vane 42 sliding in a rotor chamber 14 and a pisto... | 12/30/2003 |
| 6668787 | Internal combustion engine There is provided an internal combustion engine (10) having a housing (11,12,13) and a rotor arrangement (21,22,34) which is mounted for oscillating rotary movement within the housing. The housing provides at least one compression chamber (14) and at leas... | 12/30/2003 |
| 6668788 | Homogenous charge compression ignition engine having a cylinder including a high compression space The present invention relates generally to the field of homogeneous charge compression engines. In these engines, fuel is injected upstream or directly into the cylinder when the power piston is relatively close to its bottom dead center position. The fue... | 12/30/2003 |
| 6668789 | Internal combustion engine using premixed combustion of stratified charges During a combustion cycle, a first stoichiometrically lean fuel charge is injected well prior to top dead center, preferably during the intake stroke. This first fuel charge is substantially mixed with the combustion chamber air during subsequent motion o... | 12/30/2003 |
| 6668790 | Method of operating an internal combustion engine operated on gasoline type fuels The invention relates to a method of operating an internal combustion engine operated on gasoline type fuels, more specifically on gasoline, wherein ignition of the fuel-air mixture is initiated spontaneously in at least one operational range of the engin... | 12/30/2003 |
| 6668791 | Control system for in-cylinder direct injection engine In a control system for an in-cylinder direct injection engine, during idling operation, the fuel injection timing is compensated to the advance side for each cylinder so that the rate of change in crank angular velocity becomes smaller than a preset crit... | 12/30/2003 |
| 6668792 | Control system for in-cylinder direct injection engine In a control system for an in-cylinder direct injection engine, an actual port intake air density ganmap is calculated based on the intake air temperature thae and the atmospheric pressure atp, a reference port intake air density ganmap* corresponding to ... | 12/30/2003 |
| 6668793 | Internal combustion engine A fuel spray is directed toward an ignition plug. To an injection bole outlet portion of a swirl type fuel injector, an L-shaped cut out is provided, and the fuel spray is formed with a deflection fuel spray which has a strong swirl component that can inj... | 12/30/2003 |
| 6668794 | Fuel injection device for internal combustion engine The present invention provides a fuel injection device comprising an intake pipe having interior wall surfaces for providing air from an upstream side to a downstream side and a fuel injection port disposed in the intake pipe between the surfaces for prov... | 12/30/2003 |
| 6668795 | Controller with feed-back system In an engine controller with a feed back control system, an instruction signal for controlling an engine condition adjusting device is determined on the basis of a comparison between an input signal corresponding to a desired engine condition and an actua... | 12/30/2003 |
| 6668796 | Internal combustion engine control for jet propulsion type watercraft In order to provide an internal combustion engine control unit for a jet propulsion type watercraft which can control an internal combustion engine so that a rider can perform risk avoidance safely, a throttle open degree detector 22 which detects a state... | 12/30/2003 |
| 6668797 | Fuel injection pump system A fuel injection pump system specifically designed to provide a variety of fuels, including aviation kerosene-jet fuel, arctic fuels and diesel fuels to a single cylinder compression ignited engine using a single bore fuel injection pump and governor in a... | 12/30/2003 |
| 6668798 | Apparatus for controlling ignition timing of engine An apparatus for controlling an ignition timing of an engine is capable of reducing or preventing occurrences of backfires. The apparatus includes a no-load deceleration state detector for detecting that an engine is in a no-load deceleration state. An en... | 12/30/2003 |
| 6668799 | Control method for ignition system A rotor has teeth on a rotor body. The teeth indicate fixed ignition timings for both of normal and reverse rotations. The teeth also indicate beginning positions of a calculation ignition sequence and an excess advanced ignition sequence for both of the ... | 12/30/2003 |
| 6668800 | Internal combustion engine fuel injection system The system has a high-pressure pump having a number of mechanical pumping elements for pumping high-pressure fuel to a common rail; and a number of injectors communicating with the rail and activated to inject a quantity of fuel sequentially into the corr... | 12/30/2003 |
| 6668801 | Suction controlled pump for HEUI systems A HEUI system uses a fixed displacement, piston pump to provide a generally constant pump flow of high pressure hydraulic fluid over the operating speed range of the pump to minimize parasitic power drains on the engine. The piston pump includes an orific... | 12/30/2003 |
| 6668802 | Valve arrangement in a feed line to deliver fuel from a tank to an internal combustion engine A valve arrangement is provided for a feed line to supply fuel from a tank to a combustion engine consisting of a valve housing with an inlet channel and outlet channel, and a valve with a movable valve head to seal the outlet channel from the inlet chann... | 12/30/2003 |
| 6668803 | Fuel injector retention arrangement A resilient clip for retaining a fuel injector housing to a fuel rail cup. The clip includes a pair of opposing sidewalls. Each one of the pair of opposing sidewalls of the clip has a frontal portion and a rear portion. The frontal portion has a pair of i... | 12/30/2003 |
| 6668804 | Control system and method for a bi-fuel engine A control system 14 for a bi-fuel engine 12 is provided. The control system 14 includes a powertrain controller 52 and a bi-fuel controller 54. The controller 52 has a set of fuel injector drivers 92. The controller 50 has a set of gasoline fuel injector ... | 12/30/2003 |
| 6668805 | Accumulator fuel injection apparatus A pump control valve contained in a high-pressure fuel pump is closed when an engine is stopped, so that the pressure of a common rail is prevented from becoming too high when the engine speed NE is not less than a predetermined value . The pump co... | 12/30/2003 |
| 6668806 | Fuel pump assembly including a filter outlet to pump inlet isolator A fuel pump assembly for a fuel delivery module is operable to pressurize fuel from a fuel tank to an internal combustion engine. The fuel pump assembly includes a fuel pump having an inlet and an outlet, an isolator having an inlet end and an outlet end,... | 12/30/2003 |
| 6668807 | Evaporative emission control system including a fuel tank isolation valve A system and method for controlling evaporative emissions of a volatile fuel. The system preferably has a fuel vapor collection canister, a purge valve, an isolation valve, and a fuel tank. The fuel vapor collection canister includes a supply port and a d... | 12/30/2003 |
| 6668808 | Controller for controlling an evaporated fuel amount to be purged An evaporated fuel controller for an internal-combustion engine comprises a purge system for purging evaporated fuel generated inside a fuel tank to an intake system of the engine. The controller determines a guard value in accordance with driving conditi... | 12/30/2003 |
| 6668809 | Stationary regenerator, regenerated, reciprocating engine An improved, internal combustion, reciprocating engine employs thermal regeneration to improve its efficiency and power. Regeneration is accomplished through the use of an alternating flow heat exchanger. In one embodiment the engine consists of one or mo... | 12/30/2003 |
| 6668810 | Ignition coil assembly with spark plug connector An ignition coil assembly of the type which is directly mounted onto an associated internal combustion engine spark plug. The coil assembly includes a spark plug boot section made of a highly elastic material with an inside cylindrical passageway. The ins... | 12/30/2003 |
| 6668811 | Ignition control circuit providing temperature and battery voltage compensated coil current control An automotive ignition system (50) includes a control circuit (52) operable to drive a coil current switching device (24) connected between an ignition coil (30) referenced at battery voltage (VBATT) and a sense resistor (RS) referen... | 12/30/2003 |
| 6668812 | Individual cylinder controller for three-cylinder engine A generic technique for the detection of air-fuel ratio or torque imbalances in a three-cylinder engine equipped with either a current production oxygen sensor or a wide-range A/F sensor, or a crankshaft torque sensor, is disclosed. The method is based on... | 12/30/2003 |
| 6668813 | Air-fuel ratio control device for internal combustion engine An air-fuel ratio control device for an internal combustion engine is provided with: an air-fuel ratio sensor; an O2 sensor; a device for setting a reference air-fuel ratio target value; a device for setting a target value of an output value of... | 12/30/2003 |
| 6668814 | Mechanism for deploying cylindrical objects from a spinning container A mechanism for deploying cylindrical objects from a spinning container includes a dispenser that uses rotation around the axis of symmetry of the dispenser to eject several cylindrical objects in any of many regular, predictable patterns. The dispenser r... | 12/30/2003 |
| 6668815 | Self-aligning paintball gun barrel assembly with optional bore size adapter A paintball gun barrel assembly includes a muzzle and a shank assembly that is self-aligning with respect to the muzzle due to the interaction of complementary angled surfaces. The shank assembly may include a bore tube that removably fits within an inser... | 12/30/2003 |
| 6668816 | Concrete stone texturing machine, method and product A concrete stone texturing machine, method and a stone having an irregular rough surface resembling a real stone face is described. The machine conveys concrete stones having opposed flat surfaces to a pitching station having at least one pair of opposed ... | 12/30/2003 |
| 6668817 | Chuckable natural stone tile edge chipping tool A method and tool for chipping the edges of natural stone tile may be used to give the tile a used or rustic appearance. The tool includes an axially-rotatable, cylindrical member having an array of studs affixed or embedded in the cylindrical surface. A ... | 12/30/2003 |
| 6668818 | Safety guard for patio heater The present invention provides a dome guard for a dome cover having an inside surface, an outside surface and a rim. The dome guard includes a heat resistant grid, at least one standoff for holding the dome guard a first predetermined distance from the do... | 12/30/2003 |
| 6668819 | Method and apparatus for temperature control of an enclosure A structure or enclosure with a solar energy absorbing system, arranged so that at least one wall faces the sun and at least one wall is shaded. The structure has a thermal switch between the solar energy absorbing unit and a solar energy storage unit. Th... | 12/30/2003 |
