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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 |
| 4501255 | Diesel fuel filter heater A heater for diesel fuel filter system has a thermally and electrically conductive heating plate mounted in a housing chamber so that diesel fuel flowing between the chamber inlet and outlet toward a filter normally passes over both sides of the heating p... | 02/26/1985 |
| 4491118 | Fuel mixture method and apparatus employing an electrically heated screen An electrically heated screen arrangement operated from a vehicle battery and automatically controlled to heat the fuel mixture. The fuel mixture provided by the carburetor of the vehicle is drawn through the present system which comprises an outlet condu... | 01/01/1985 |
| 4489232 | Apparatus for heating a mixed gas on an internal combustion engine An apparatus for heating the fuel mixture of an internal combustion engine includes a cylindrical heating body, adapted to form a passageway between a fuel supply and an internal combustion engine, having a double walled structure formed by spaced inner a... | 12/18/1984 |
| 4483304 | Fuel vaporizer for internal combustion engines A fuel vaporizer for internal combustion engines is disposed at a suitable position in an intake passage of a carburetor or an intake manifold. The fuel vaporizer comprises a heating cylinder installed in registry with a barrel of the carburetor or a heat... | 11/20/1984 |
| 4481931 | Fuel mixing apparatus The fuel system of a diesel powered vehicle is kept free of wax blockages during cold weather by a mixing unit which is submerged in the fuel tank and furnishes to the fuel pump a waxing resistant supply stream comprising a warm fraction derived from the ... | 11/13/1984 |
| 4479477 | Diesel fuel heater and combined filter-heater assembly A diesel fuel heater which is readily adapted for serving as a retrofit to existing diesel filter components, e.g., such as utilized in some existing automobile diesel engines. The heater includes a cylindrical plastic housing, and a flat annular conducti... | 10/30/1984 |
| 4477715 | PTC thermistor controlled electric diesel fuel heater An electric heater for heating diesel fuel includes a housing having an inlet and an outlet. A flat disk-shaped PTC thermistor is centrally mounted in the housing and is arranged so that the inlet directs fuel against one side of the thermistor to divert ... | 10/16/1984 |
| 4475523 | Method and system for preheating fuel A method and system for preheating internal combustion engine fuel to an optimum temperature before introducing the fuel into the carburetion system. It has been found that an engine fuel such as gasoline will have an optimum temperature at the point of c... | 10/09/1984 |
| 4473054 | Diesel fuel filter system A heater system for a diesel fuel filter comprises a housing, a self-regulating electrical resistance heater element of positive temperature coefficient of resistivity arranged in heat-transfer relation to thermally conducting components to form a heater ... | 09/25/1984 |
| 4467773 | Fuel supply system with improved throttle body heater A fuel supply system for an internal combustion engine has an electrical resistance heater accommodated in a chamber in gasket means which space a throttle body flange from a mating flange on an intake manifold of the engine for transferring heat to the t... | 08/28/1984 |
| 4465053 | Fuel system having low profile gasket heater A fuel system for an internal combustion engine has an electrical resistance heater accommodated in low profile gasket means at a location between a throttle body mounting flange and a mating intake manifold flange for heating the throttle body. The gaske... | 08/14/1984 |
| 4463738 | Fuel system heating apparatus for diesel engines The apparatus includes an inverter connected with the vehicle battery and/or generator and/or alternator for supplying power at external power source voltage and frequency, a resistance heater positioned adjacent the vehicle fuel tank and/or fuel lines, a... | 08/07/1984 |
| 4463737 | Fuel system having gasket heater A fuel system for an internal combustion engine has an electrical resistance heater accommodated in gasket means disposed between a throttle body flange and a mating flange on an intake manifold so that the heater is located immediately adjacent an idling... | 08/07/1984 |
| 4458654 | Fuel vapor injection system A fuel supply system for internal combustion engines which utilizes an electronically controlled injection device for liquid fuel which is delivered to a heating chamber in the throttle body of a carburetor and vaporized so that gaseous fuel is delivered ... | 07/10/1984 |
| 4453524 | Air charger for internal combustion engines An air charging system for an internal combustion engine is disclosed which includes an electric motor driven blower mounted on the air cleaner housing located at the air intake of either a carbureted or fuel injected engine. The blower forces either heat... | 06/12/1984 |
| 4452215 | Fuel system for internal combustion engines A fuel system for an internal combustion engine of the piston type vaporizes liquid fuel such as gasoline and delivers the same through inter-communicating control valves, one of which is responsive in operation to inlet manifold pressure in the internal ... | 06/05/1984 |
| 4450823 | Fuel evaporator for internal combustion engine A fuel evaporator for an internal combustion engine, which is provided with a ceramic heater, is disclosed. The fuel evaporator comprises a plurality of layered thin PTC ceramic plates, each of which has a plurality of open holes, electrodes which are pro... | 05/29/1984 |
| 4448173 | Fuel evaporator A fuel evaporator to be installed between a carburetter and an intake manifold of an internal combustion engine for heating an air-fuel mixture flowing through an air-fuel passage of the carburetter is disclosed. The fuel evaporator comprises at least one... | 05/15/1984 |
| 4447706 | Nozzle assembly with integrated PTC heater for prewarming fuel oil An oil burner system includes a burner nozzle connected to a supply of fuel oil by a nozzle assembly having integrated therein an electric heater for prewarming the oil fed to the nozzle. The nozzle assembly has first connector at one end directly connect... | 05/08/1984 |
| 4434772 | Combustion mixture generator for internal combustion engines A carburettor or other combustible mixture generator 1 has a mixture chamber 3 surrounded by a tubular wall 2 which has an inner skin 9 and an outer skin 10 with an annular heating chamber 11 between them. Heating fluid such as exhaust gas or heated engin... | 03/06/1984 |
| 4426972 | Vibration suppression system for diesel engine A vibration suppression system for a diesel engine, comprises a device for decreasing the amount of intake air to be inducted into the engine when operated. A heating device is provided to heat the intake air when operated. A first detecting device is pro... | 01/24/1984 |
| 4426962 | Structure for facilitating starting and warming of internal combustion engines A structure for facilitating the starting and warming of an internal combustion engine provided with a carburetor in its intake passage. A side passage which is separate from the intake passage by-passes a throttle valve in the carburetor is connected to ... | 01/24/1984 |
| 4425899 | Intake heating device of an internal combustion engine The present invention proposes an intake heating device of an internal combustion engine. The intake heating device has a hollow heater vessel comprising an inner pipe and an outer pipe between which an enclosed area is defined. For heating the inner pipe... | 01/17/1984 |
| 4424787 | Encapsulated PTC heater for cold-start carburetor An encapsulated PTC heater for a cold-start carburetor comprises a ceramic PTC wafer having ohmic terminal means on its opposite faces, and a thickened annular rim portion adapted to withstand appreciable clamping forces. The rim has portions of said ohmi... | 01/10/1984 |
| 4424776 | Fuel supply for a diesel engine The invention contemplates a continuously circulating pumped flow of diesel-engine fuel, involving thermodynamic coupling to the engine's coolant-circulation system (a) while the engine is operating and (b) involving selectively available thermodynamic co... | 01/10/1984 |
| 4424422 | Thermostatically controlled electric diesel fuel heater A thermostatically controlled electric fuel heater for raising the temperature of diesel fuel flowing from a fuel tank to a fuel filter to prevent precipitation of wax crystals in the fuel filter and consequent filter clogging at low ambient temperatures ... | 01/03/1984 |
| 4423716 | Fuel system for internal combustion engines A fuel system for an internal combustion engine of the piston type vaporizes liquid fuel such as gasoline and delivers the same through a series of intercommunicating control valves, two of which are responsive in operation to inlet manifold pressure in t... | 01/03/1984 |
| 4420439 | Constant pressure carburettors A downdraught carburettor of the constant pressure type has a mixing chamber 2 with an operator-controlled throttle valve 3 at its downstream end and a choke valve 10, which is operated by a diaphragm box 20 in dependence upon the pressure in the mixing c... | 12/13/1983 |
| 4419564 | Self-regulating electric heater for use in an early fuel evaporation system A self regulating heater for use in an early fuel evaporation (EFE) system for an automotive engine includes a thermally conductive thick metal radiator body having a heat receiving side an opposite side provided with a plurality of heat-disturbing fins f... | 12/06/1983 |
| 4416242 | Intake heating apparatus of an internal combustion engine An intake heating apparatus of an internal combustion engine, comprising a hollow heater vessel which is placed in an intake passage of the engine and which comprises an inner pipe, an outer pipe in which said inner pipe is press-fitted, a PTC element hol... | 11/22/1983 |
| 4411240 | Method and apparatus for the prevention of low temperature diesel engine failure A method and apparatus for the prevention of diesel engine failure at low temperatures comprising circulating the diesel fuel for said engine, preferably in a heated state, when the engine is not in operation. The fuel is circulated through a diverted clo... | 10/25/1983 |
| 4409946 | Internal combustion engines A fuel supply system of an internal combustion engine, the system includes a vessel to provide fuel vapor and a nozzle to mix the vapor with air.... | 10/18/1983 |
| 4407254 | Intake heating apparatus of an internal combustion engine An intake heating apparatus of an internal combustion engine, comprising a hollow heater vessel which is placed in an intake passage of the engine and which comprises an inner pipe, an outer pipe in which said inner pipe is press-fitted, peripherally spac... | 10/04/1983 |
| 4406269 | Apparatus for liquid supply in internal combustion engine An apparatus for liquid supply in an internal combustion engine having a liquid chamber containing a liquid such as fuel, lubrication oil or the like and located at one side of an intake passage of the internal combustion engine, which liquid chamber is i... | 09/27/1983 |
| 4406943 | Temperature self-limiting electric fuel oil heater for oil burner units A heating unit preheats and stabilizes No. 2 fuel oil delivered through a conduit to the nozzle of an oil burner for optimizing efficiency of combustion. The heating unit is generally formed around a section of oil conduit or other elongate tubular metal ... | 09/27/1983 |
| 4404949 | Heated diesel fuel filter A diesel fuel filter in which wax crystals that tend to clog the filter at low ambient temperatures are directly heated to melt the crystals, allowing them to pass through the filter. A low energy heating element is positioned adjacent the filter element ... | 09/20/1983 |
| 4401090 | Internal combustion engine with heated intake system An internal combustion engine subject to low-temperature operation in humid regions is provided with means to heat the carburetor so as to prevent icing and excessive condensation of fuel from the fuel/air charge. The heat is preferably supplied to the wa... | 08/30/1983 |
| 4399796 | Intake heating device of an internal combustion engine An intake heating device of an engine, comprising a hollow heater vessel placed in the intake passage. The heater vessel comprises an inner pipe, an outer pipe, and a plurality of PTC elements. The inner pipe and the outer pipe are interconnected to each ... | 08/23/1983 |
| 4398523 | Fuel conservation device A fuel conservation device for internal combustion engines of vehicles, or the like, comprising a housing interposed between the usual fuel pump and carburetor of the engine, the housing having two compartments, a heating element disposed in one of the co... | 08/16/1983 |
| 4398522 | Intake heating device of an internal combustion engine An intake heating device of an engine, comprising a hollow heater vessel placed in the intake passage. The heater vessel comprises an inner pipe, an outer pipe, and a plurality of PTC elements inserted between the inner pipe and the outer pipe. The outer ... | 08/16/1983 |
