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Matches 401 - 450 out of 8,734

Document Document Title
JP3153930B2
PURPOSE: To inhibit mixture from becoming lean in an engine, during high-opening low-speed operation and during accelerating operation and positively make the mixture rich in a specific operating region where the mixture becomes lean, in...  
JP2001090610A
To prevent fuel accumulated in an atmospheric chamber of a negative pressure actuator from flowing in a bystarter in starting an engine. An inlet passage 4 and an outlet passage 10 in a lateral direction which are vertical to an intake p...  
JP2001082253A
To provide a constant vacuum slide throttle valve type carburetor having a simple constitution, a reduced manufacturing cost, a slide throttle valve movement swift and excellent in acceleration performance, and a high air suction efficie...  
JP2001082252A
To provide a constant vacuum slide throttle valve type carburetor having a simple constitution, a reduced manufacturing cost, a slide throttle calve movement swift and excellent in acceleration performance, and a high air suction efficie...  
JP2001073877A
To stabilize combustion condition, and suppress fluctuation of engine rotating speed by arranging an opening/closing valve on the way of a fuel passage, closing the opening/closing valve at least between a low speed region and an interme...  
JP3139592B2
PURPOSE: To feed a rich mixture while continuing lean operation, and to judge the activated condition of an O2 sensor without using a dedicated valve. CONSTITUTION: A fuel gas route 23 is connected in the way to an intake route 21 commun...  
JP2001012300A
To provide an accelerating/decelerating device which can improve in a freedom degree in design and reduce in manufacturing cost while simplifying a passage in a main air system of a carburetor.A switching valve device 40 comprises a seal...  
JP2001012299A
To prevent a lean mixture at low speed operating time, when a carburetor temperature rises, while fuel flow amount characteristics are stabilized, by quickly sucking vaporized fuel generated in a fuel chamber to an intake passage and sta...  
JP2001012301A
To increase the degree of freedom of design and to reduce a manufacturing cost by simplifying passages of a main air system of each carburetor constituting a compound carburetor.A selection valve 40 comprises: a sealed valve chamber 42; ...  
JP2000352358A
To realize a remote control of a throttle valve by connecting an electromagnetic actuator to the throttle valve.A piston throttle valve 48 is inserted moveably in a vertical direction into a cylindrical valve chamber 57 that runs across ...  
JP2000320415A
To provide a prime mover having low fuel consumption and reducing the harmful exhaust gas amount by increasing the speed of the suction flow in a suction pipe, especially at idling time and low.to medium rotation times, to carry out the ...  
JP2000303907A
To provide a carburetor with a fuel feed function for acceleration being simple in structure not using an acceleration pump. An air passage 35 crossing a throttle valve stem 8 is connected to a throw port chamber 28 and an air introducti...  
JP2000297703A
To provide a fuel jet supporting structure of a carburetor in which the inlet and outlet sides of an air passage hole are sealed more completely. In a fuel passage for introducing to the intake passage 9 of a carburetor body 2 fuel in a ...  
JP2000282954A
To prevent engine idling from becoming unstable with dust clogging by supplying a clean bleed air to the low-speed fuel system of a carburettor. A secondary air cleaner A2 is installed consolidatedly in the upper part of a clean chamber ...  
JP2000513066A
(57) A summary accelerator (28) has the attenuation orifice (62) which connects an air chamber (36) with the movable component (namely, diaphragm 34) which is arranged in the main part which forms the main rooms, and the main interior of...  
JP2000512711A
(57) It has the main part 2, the main part 2 is connected so that the housing 3' of an air purifier may be suited through the flange 3, and the summary fuel * air mixture equipment 1 is connected so that engine induction manifold 4' may ...  
JP2000265906A
To obtain an acceleration device having an acceleration pump, which is simple in structure, excellent in liquid tightness, has freedom in arrangement space, stability in operation. An acceleration pump 21 is a negative diaphragm type whi...  
JP2000257508A
To provide an accelerator having an acceleration pump and having a simple structure, excellent liquid-tightness, and a large degree of freedom of an installation place. A check valve 13 which is closed toward a restriction 12 for regulat...  
JP2000240475A
To simplify assembly, mounting, and calibration, in a throttle valve assembly for driving a motor. A throttle valve assembly 10 is provided with a DC motor assembled as a subassembly 14 and calibrated, and after the subassembly 14 is mou...  
JP2000220527A
To prevent occurrence of excessive rich state of air-fuel mixture through sensitiveness of an acceleration pump even when a driver snap-operates a throttle valve lever. Inside a body 16 of this evaporator, a cam is formed on a throttle v...  
JP2000220525A
To improve restartability in cold starting and hot restarting of an engine. A starting fuel passage 3 is opened to a bottom 2B of a starting valve chamber 2, while a starting air passage 4 and a starting air-fuel mixture passage 5 are op...  
JP2000213432A
To improve accelerating characteristic by discharging vapor generated inside a pump chamber to atmosphere without residing inside the pump chamber and supplying accurate accelerating fuel. A cylinder chamber 4 is divided into a pump cham...  
JP2000204970A
To highly precisely drive for opening and closing two throttle valve, respectively arranged in two systems of intake passages, by interlocking with each other through simple structure. A valve stem 14 is rotatably supported in a manner t...  
JP2000192851A
To improve acceleration property of an engine by improving a phenomenon of fuel becoming temporarily excessively lean in accelerating a membrane carburetor. A membrane 25A divides a constant-pressure fuel chamber 26 from an atmospheric a...  
JP3062473B2  
JP2000186625A
To stabilize a discharge rate by opening a pulsation pressure taking- out port to a position upper than a throttle hole of a rotary throttle valve at the time of idling and to a position of a downstream side from the rotary throttle valv...  
JP2000186626A
To weaken the valve closing force of a throttle valve at a predetermined opening or less at the time of closing action of the throttle valve, and to certainly slowly close the throttle valve even when the throttle valve is closed from a ...  
JP2000186623A
To provide a rotary throttle valve type diaphragm carburetor equipped with an acceleration pump arranged in the upper outer end part of a carburetor body and directly driven by a throttle valve lever. A throttle valve having a throttle h...  
JP2000179405A
To appropriately feed fuel for acceleration even in a case of sequentially accelerating and decelerating an engine by communicating an acceleration fuel suction passage opened to a fixed liquid face of a float chamber, an acceleration fu...  
JP2604147Y2  
JP3026881B2
PURPOSE: To improve emission and drivability by making the change in the A/F sensitivity range to the amount of intake air closer to a flat level. CONSTITUTION: An air bleeder controller of a carburetor 5 controls the amount of air bleed...  
JP2000080959A
To set the movement of the tip portion of a forcible operation lever driven by a throttle valve operation lever identical to that of the tip portion of a follower lever engaged with a sliding throttle valve. A negative pressure chamber 1...  
JP3024072B2
To provide a scavenging two-cycle engine which can enhance the function of acceleration and which can maximumly restrain deterioration of exhaust gas. A stratiformly scavenging engine is composed of a scavenging passage 3 connecting a cy...  
JP3017748B2  
JP2000073865A
To provide a power fuel device of a sliding valve type caburettor which can improve supplying responsiveness of the power fuel with respect to negative pressure fluctuation in an intake passage and linearity of the power fuel. Power fuel...  
JP2000073902A
To prevent air accumulation in a fuel piping between a fuel pump and a carburetor. This system is equipped with a four-cycle engine having a longitudinal crank shaft 21 and plural transverse cylinders, carburetors 30a-30d arranged in res...  
JP2000064871A
To improve drivability at shift operation time by surely preventing rapid starting of a vehicle and increasing of a shift shock due to load increase at the shift operation time from range N to a range D. A device comprises a throttle act...  
JP2000054880A
To provide an intake A/F controller for an outboard engine, by which an exhaust gas A/F can be accurately controlled to a required target vague, whether in the case that an acceptable range of a purifying rate of a catalytic converter is...  
JP2000054930A
To improve injection characteristic of fuel, and realize good exhaustion and noise characteristics. A solenoid valve 25 for controlling release of fuel pressure in a pressure chamber 22, into which part of fuel from an accumulator for ac...  
JP2000045871A
To simplify the structure of a diaphragm type carburetor so as to satisfactorily adjust an inlet value. In a diaphragm carburetor for an internal combustion engine, a regulating chamber 15 filled therein with fuel can be connected to a f...  
JP2000045874A
To provide a ram air supercharged type intake device which can enhance the responsiveness of an engine even though it has a CY type carburetor. A carburetor 11 comprises an atmospheric chamber 17a communicated with the atmosphere, and a ...  
JP2000034953A
To stably control returning speed of a throttle valve in a closing direction for a long time, and optimumly control air-fuel ratio in acceleration operation for respective vertical multiple caburator. Pressure in a pressure chamber 22 of...  
JP2000027706A
To obtain smooth accelerating operation of an engine by gradually increasing pressure in a constant pressure fuel chamber and increasing a fuel amount at the time of abrupt acceleration of the engine. The inner space of a membrane type c...  
JP2000027740A
To surely drive a system in both of opening and closing directions and to operate the system, regardless of injection pressure, by connecting two diaphragm chambers with pressure from an engine crank case and connecting one of the diaphr...  
JP2000027704A
To provide a float type carburetor for a four cycle or two cycle internal combustion engine which is improved in prevention fuel leakage and fuel clogging caused by malfunction of a float and a needle valve, constant air-fuel ratio under...  
JP2000027707A
To provide a carburetor which is attached without remarkably varying a structure to a carburetor main body, and avoid erroneous operation of an acceleration pump caused by pulsative motion of an engine. An inner space of a carburetor mai...  
JP2000008919A
To clean an exhaust gas harmful to an atmospheric environment and a human body by providing with a motor control means for drive controlling a drive motor which drives a turbo means in response to a detection signal from a throttle valve...  
JPH11351061A
To provide a carburetor, especially for a motorcycle, of a constant- vacuum sliding throttle valve type that is simple in construction, smooth in operation and excellent in acceleration performance. An upper cover 4 is coupled to the upp...  
JPH11351063A
To return evaporative fuel in a fuel passage leading from a fuel tank to an inflow valve in a constant-pressure fuel chamber via a diaphragm fuel pump, together with excess fuel, to the fuel tank by way of a return passage, and return ev...  
JPH11324801A
To prevent the defect of an engine stop and the like by rapid decelerated operation without exerting adverse effect on the idle operation of an engine, the engine inclined operation of the engine, acceleration performance, and the like. ...  

Matches 401 - 450 out of 8,734