Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 7090203 | Carburetor for internal combustion engine A carburetor for an internal combustion engine has an intake pipe having a throttle valve plate therein. An annular venturi tube is disposed upstream or downstream of the throttle valve plate inside the intake pipe. The annular venturi tube is located at a predeterm... | 08/15/2006 |
| 5716555 | Multi-fuel external metering rod and system Disclosed is an adjustable apparatus for regulating the flow of fuel into a carburetor by use of a specially designed fuel metering rod. The hollow rod includes four different sets of holes along its sides at one end, each set separated from the adjacent ... | 02/10/1998 |
| 5126079 | Carburetor The improved carburetor of the present invention provides for direct mechanical control of both an airflow valve and a fuel dispersion assembly such that operation of the airflow valve regulates the amount of air flowing through the carburetor. The fuel d... | 06/30/1992 |
| 4981500 | Venturi type cooler for flue gas desulphurization device A Venturi Cooler for flue gas desulphurization devices sprays water through water spray nozzles on pipes positioned perpendicularly to the longitudinal flow direction of the cooler. It is important for the effectiveness of the diffused water that the spee... | 01/01/1991 |
| 4663090 | Fuel control system for a carburetor A fuel control system for a carburetor. The fuel control system includes a primary restrictor, primary adjustable jet and secondary restrictor connecting a carburetor reservoir and nozzle bar in fluid-flow relation to a fuel supply. Adjustment and meterin... | 05/05/1987 |
| 4655976 | Carburetor components and carburetor An improved variable venturi carburetor including one or more improved features such as one or more air valve(s) comprising fuel discharge orifices, upstream of one or more throttle(s); backfire protection means in the air valve(s); layered construction o... | 04/07/1987 |
| 4495115 | Downdraft carburetor for internal combustion engines The invention refers to a downdraft carburetor for internal combustion engines, the choke tube cross-section being controlled by a choke tube valve whose movement is controlled as a function of the control pressure in the choke tube by means of a diaphrag... | 01/22/1985 |
| 4411233 | Carburation devices for internal combustion engines A constant depression carburettor has an auxiliary throttle member associated with a sensor which delivers a signal representative of the position of the auxiliary throttle member. A solenoid valve is actuated by pulses received from a control circuit whi... | 10/25/1983 |
| 4404151 | Down-draft carburetor A variable venturi down-draft carburetor comprises a one-piece unitary casting that defines an induction passage and upwardly open cavities constituting a float chamber and a recess in which a movable venturi member is housed. A throttle valve, main fuel ... | 09/13/1983 |
| 4396558 | Automatic choke An automatic choke for a carburetor comprises a fuel enrichment valve (59, 60) for controlling the flow of fuel into a carburetor, a first operating lever (54) movable by a temperature sensitive element, e.g. a bimetallic coil spring, into engagement with... | 08/02/1983 |
| 4378000 | Fuel supply device for internal combustion engine A fuel supply device for an internal combustion engine having an intake manifold includes a throttle body defining therein an intake passage communicating at one end thereof with the intake manifold. A flow accelerating valve arranged in the intake passag... | 03/29/1983 |
| 4327041 | Carburetor having a concentric tube fuel supply Disclosed herein is a carburetor including a housing having a throat, means for supplying fuel to the throat intermediate its opposite ends, the fuel supplying means including a tube extending into the throat and including a plurality of fuel supply openi... | 04/27/1982 |
| 4318868 | Analog carburetor A fuel-air metering system functioning according to precise flow and geometrical equations. An air throttle valve and fuel valve are positively linked with the flow crossectional area of each valve proportional to that of the other. Fuel pressure drop acr... | 03/09/1982 |
| 4300506 | Fuel supply system A fuel supply system for supplying fuel and for satisfactorily preparing the fuel-air mixture fed to a mixture-compressing, spark-ignited internal combustion engine which comprises an arbitrarily operable throttle element arranged in the air intake manifo... | 11/17/1981 |
| 4283355 | Carburetor A carburetor for connection to an internal combustion engine having a housing provided with a mixing passage for the flow of air to the engine; a throttle at the downstream end of the passage; a fuel spray bar extending transversely across the passage ups... | 08/11/1981 |
| 4211196 | Carburetor A fluid jet type of carburetor, namely one in which a jet of fuel passes across the combustion air path and has some of the fuel entrained by the passing combustion air and the rest of the fuel recycled, includes means for concentrating the flow of combus... | 07/08/1980 |
| 4174692 | Fuel injection device A fuel injection device for mixture compressing, externally ignited internal combustion engines, which serves to meter the fuel proportional to the intake air and aspirates the air-fuel mixture. The fuel injection device includes an air flow rate meter lo... | 11/20/1979 |
| 4159290 | Variable stage type carburetor A variable stage type carburetor having an intake passage, a throttle valve disposed in the intake passage, and a movable vane disposed at the upstream side of the throttle valve, the movable vane being adapted to cooperate with the wall of the intake pas... | 06/26/1979 |
| 4154203 | Fuel injection system A pivoting member, especially the air flow rate meter of an internal combustion engine is disposed in a hub which surrounds a locally fixed shaft and is positioned in the induction tube upstream of the throttle valve. The shaft is received in a plurally p... | 05/15/1979 |
| 4130610 | Charge forming apparatus with vane actuated fuel air ratio control Charge forming apparatus for forming a fuel air mixture of the type in which a stream of inducted air impinges upon a stream of fuel in a fuel dispersion gap, is provided with an air flow rate sensor which reduces the area of the fuel dispersion gap as th... | 12/19/1978 |
| 4119684 | Variable stage type carburetor A variable stage type carburetor has a vane controller adapted to forcibly bias a vane to a smaller opening degree when a throttle valve has been opened nearly to the maximum opening degree and, accordingly, the venturi vacuum is small. Between a limiting... | 10/10/1978 |
| 4105720 | Variable stage type carburetor A variable stage type carburetor having a throttle valve and a movable venturi vane cooperative with the throttle valve. This carburetor further includes a negative pressure responsive device for forcedly shifting the venturi vane in a direction to be clo... | 08/08/1978 |
| 4056583 | Variable venturi carburetor A variable Venturi carburetor having a Venturi portion defined by movable members which are linked with and driven by an accelerating pedal so as to vary the area of its throat opening in accordance with a required engine output power thereby establishing... | 11/01/1977 |
| 4034029 | Metering rod control for an air valve carburetor An air valve for a carburetor has its lower end mounted for pivotal movement between open and closed positions relative to the air and fuel mixture conduit and carries a metering rod which extends generally in a horizontal direction. The metering rod has ... | 07/05/1977 |
| 4005161 | Variable stage type carburetor A variable stage type carburetor provided with a venturi vane which is adapted to vary the venturi area in a venturi portion thereof, commensurate to the opening of a throttle valve. This carburetor features that, in the running condition where the openin... | 01/25/1977 |
| 3969445 | Carburetor having a choke device A carburetor has a choke device formed of two planar quadrangular choke flaps situated side-by-side in a cross-sectionally quadrangular flow passage of an engine intake manifold. The pivotal supports for the choke flaps are held in recesses of the manifol... | 07/13/1976 |
| 3956434 | Carburetor cold enrichment fuel metering signal and air flow modulator A variable area venturi carburetor has a wall movable by a servo controlled by venturi-like control vacuum to vary the area and thereby change airflow capacity and fuel flow; a tapered fuel metering rod is attached to the wall and cooperates with a statio... | 05/11/1976 |
| 3937768 | Variable venturi carburetor A carburetor for use in combination with an internal combustion engine has a body with an induction passage formed therethrough; a variable venturi within the induction passage is effective for variably determining the opening of a venturi throat defined ... | 02/10/1976 |
| 3935290 | Carburetor cold engine fuel enrichment system A variable area venturi carburetor has the cold engine cranking and running circuits integrated with the venturi valve circuit, to simplify the construction as compared to known carburetors of this type in which the circuits are independent, the integrati... | 01/27/1976 |
