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JPH06117329A |
PURPOSE: To provide a fuel cut device of a carbureter capable of desolving an abnormal phenomenon which is possibly generated immediately after stop of an engine, improving startability of the engine, not requiring change of the fundamen...
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JPH06108936A |
PURPOSE: To improve the intake passage of a variable ventury type carburetor so as to obtain large torque in each rotating area. CONSTITUTION: An engine is provided with a piston valve 7 disposed upstream of a throttle valve 6 so as to c...
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JPH0614044Y2 |
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JPH0666204A |
PURPOSE: To maintain an engine in driving state within a range where the output or exhaust state can be allowed without excessive concentration and excessive thinning of air-fuel mixture, even if a manual needle valve in a main fuel pass...
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JPH0666205A |
PURPOSE: To prevent any contravention of the exhaust regulation however a user operated a fuel flow rate adjusting needle valve for sending fuel to an air intake passage from a specific combustion chamber. CONSTITUTION: Fuel flow rate is...
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JPH0615850B2 |
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JPH0650213A |
PURPOSE: To prevent engine stop due to a sudden decelerating operation by constituting the interior of a carburetor so as not to supply over-rich mixture to an engine even at operating sudden deceleration. CONSTITUTION: In a diaphragm ty...
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JPH066223Y2 |
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JPH065055B2 |
A temperature compensated carburetor having a fuel metering system including a variable restriction needle gate valve (42) for varying the effective flow cross-sectional area of the main and/or idle fuel supply duct to modulate the flow ...
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JPH062618A |
PURPOSE: To provide a diaphragmatic carburetor that is compact in size, simple in structure and inexpensive in cost and, what is more, compensating an air-fuel ratio into a proper value according to a variation in air density due to an a...
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JPH06619Y2 |
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JPH0592460U |
[Purpose] Resin molding is easy, and even if the operating posture changes in all directions, the fuel remains liquid and does not collect in the intake passage pipe, preventing the engine from stopping. [Constitution] The intake passage...
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JPH0545811Y2 |
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JPH0587244U |
[Purpose] Improve the durability of the magnesium alloy throttle body. [Constitution] It is configured to include a throttle body 5 made of magnesium alloy and a ceramic bearing 8 mounted on the throttle body and supporting the throttle ...
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JPH05312106A |
PURPOSE: To prevent abnormal rise of catalyst temperature at the time of deceleration coasting and to reduce a harmful exhaust component by providing a control part setting second control engine speed for idle up control higher than firs...
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JPH05306659A |
PURPOSE: To improve an output in low and midium speed ranges of an engine. CONSTITUTION: In an intake device for an engine comprising an air cleaner 12 and a carburetor 13, an outlet tube 14 connecting the air cleaner to the carburetor i...
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JPH0544536Y2 |
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JPH05288121A |
PURPOSE: To equip a diaphragm type carburettor with a small-in-size, simple-in- structure, and low-in-cost means arranged to correct the air-fuel ratio to a proper value in corresponding relation to variations in density of the air. CONS...
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JPH05280439A |
PURPOSE: To maintain a pressure drop generated in a bypass during idling so as to avoid mixture insufficiency due to the reduction of pump capacity by closing a bypass duct connecting a fuel supply portion and a pressure portion with a v...
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JPH05256208A |
PURPOSE: To shorten a time required for the warming-up of parts relating to an engine. CONSTITUTION: When the temperature of a battery 12 and an engine 26 is low, the battery 12 is warmed up by means of a heater 30, and then, switchover ...
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JPH05256209A |
PURPOSE: To set and optimize the maximum fuel supply quantity by connecting fixed throttles to a main nozzle and an idling chamber at the downstream end and providing an adjustable throttle for reducing the entire flow cross section up t...
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JPH0568634B2 |
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JPH0569365U |
[Purpose] It promotes atomization of fuel adhering to the inner peripheral surface of the intake pipe and improves combustion performance. [Constitution] The carburetor 13 is communicated with the combustion chamber 3 in the engine body ...
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JPH0569360U |
[Purpose] Prevents the temperature of the carburetor from dropping due to running wind. [Constitution] In the intake system in which the intake pipe is arranged on the front side of the carburetor and the carburetor and the engine are co...
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JPH0569361U |
[Purpose] By integrally forming the bleed pipe 38 with the holder 36 to which the main jet 46 is attached, the number of parts is reduced and the cost is reduced by omitting processing. [Constitution] One end of the main well 24 provided...
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JPH05240130A |
PURPOSE: To accomplish satisfactory lean combustion and stratified combustion and improve the comustibility and startability of internal combustion engine by mixing an atomized fuel selected by a turning flow with auxiliary intake air to...
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JPH0562234B2 |
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JPH05231192A |
PURPOSE: To carry out the necessary intake control without being accompanied with the operation disorder or a turn disabled state even if a trunk body deforms through the lapse of time or the assembly to an intake system, when an engine ...
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JPH0533727Y2 |
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JPH05209556A |
PURPOSE: To provide an automatic choke device of a carburetor for a small-size drive engine such as a hand-held tool, said automatic choke device eliminating difficulty in proper operation of a choke when starting the engine. CONSTITUTIO...
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JPH0531256Y2 |
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JPH0531257Y2 |
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JPH0558872U |
[Purpose] The leaked fuel from the fuel passage is pulled out and burned or released to the outside, or the leaked fuel evaporates and diffuses, and the fuel in the engine is discharged to the outside of the engine by remote control acco...
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JPH0558866U |
[Purpose] While preventing the internal combustion engine from running on due to adhesion to the wall surface of the intake pipe when the air-fuel mixture ejected from the bypass port passes through the throttle valve, it prevents the en...
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JPH05195876A |
PURPOSE: To prevent main nozzle drip during idle by providing a diaphragm carburetor wherein various vibrations having changing amplitudes do not lead to a significant opening of an inlet valve when a control spring adapted to the engine...
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JPH05187324A |
PURPOSE: To reduce manufacturing cost of a rotating shaft by employing a new plating method, in place of hard chromium plating, for plating the surface of the rotating shaft which is low in cost and provides high abrasion resistance. CON...
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JPH05187323A |
PURPOSE: To reduce the manufacturing cost of a slide valve by employing a new plating method, in place of hard chromium plating, for plating the surface of the slide valve which is low in cost and provides high abrasion resistance. CONST...
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JPH05187322A |
PURPOSE: To provide a fuel weighing device for a slide valve type carburetor, with a jet needle and a needle jet which are durable against change with the lapse of time and against abrasion, to be used for alcohol containing gasoline as ...
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JPH0528372Y2 |
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JPH05180085A |
PURPOSE: To set fuel-air ratio small at low load time and large at high load time to improve acceleration by providing an auxiliary fuel jet provided in addition to a main fuel jet, fuel control units and a diaphragm pump. CONSTITUTION: ...
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JPH0523821Y2 |
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JPH05149201A |
PURPOSE: To obtain both cost advantage and improved performance characteristics of a floatless carburetor by constituting a primer circuit with means communicating a fuel tank of a primer chamber, a throttle chamber and a reservoir chamb...
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JPH0519562Y2 |
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JPH0532582B2 |
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JPH0599072A |
PURPOSE: To prevent over-rich stall caused by the icing of a slow air bleed. CONSTITUTION: The air intake of a first alow air bleed passage 6 is open at a large venturi part 4. A first slow air bleed 8A has a cylindrical shape as a whole...
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JPH0586984A |
PURPOSE: To improve the fuel consumption by effecting control such that energization to a solenoid valve is cut off during constant speed running of a vehicle to cut off the feed of fuel, in a device which has a solenoid valve operated s...
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JPH0519555U |
An engine for a portable working machine includes a carburetor having a fuel supply device which is to be operated by an intake pipe of a cylinder head provided with an intake valve and an exhaust valve, and a pulse pickup passage which ...
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JPH059478Y2 |
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JPH059479Y2 |
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JPH0514563U |
[Purpose] Even if a vaporizing substance is used as fuel, it prevents each part of the internal combustion engine from deteriorating its performance due to wear. [Constitution] High-hardness plating using cobalt-tungsten or nickel-tungst...
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