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Patent Searching and Data


Matches 851 - 900 out of 2,888

Document Document Title
JPS62255562A
PURPOSE: To securely inject accelerated fuel with excellent responsiveness, by providing a check valve in the negative pressure passage of the negative pressure type acceleration pump of a carburetor for permitting the pump to store nega...  
JPS62247162A
PURPOSE: To obtain the stable faculty by preventing vibration by forming a jet needle which is installed into a piston for varying the sectional area of a venturi and inserted into a main nozzle, into a hollow pipe form and allowing fuel...  
JPS62247161A
PURPOSE: To prevent the excessive supply of the concentrated mixed gas by installing a valve into an air intake passage for introducing the atmosphere into a negative pressure chamber formed on the back surface of the piston of the capti...  
JPS62243953A
PURPOSE: To supply optimum accelerating fuel corresponding to both quick acceleration and slow one by detecting an accelerating state in consideration of even values corresponding to a suction air quantity and engine temperature as corre...  
JPS62243954A
PURPOSE: To supply optimum starting fuel according to engine temperature from an accelerating fuel system by supplying bleed air into the accelerating fuel supply passage of a variable venturi type carburetor through a means for controll...  
JPS62237069A
PURPOSE: To control proportion of intake air passing a small venturi and to control an air-fuel ratio to an arbitrary value, an intake air passage in the outer periphery of the small venturi in which a main fuel nozzle is located is open...  
JPS62237070A
PURPOSE: To control release of a piston during operation when there is a small amount of intake air to maintain an air-fuel ratio at a proper value, by a method wherein an atmospheric pressure introduction hole communicated to a negative...  
JPS62225755A
PURPOSE: To aim at rationalizing the air-fuel ratio of an engine during starting and warm-up operation thereof, by providing a pressure balance type fuel system in which is fuel pressure regulator for controlling the fuel pressure downst...  
JPS62218644A
PURPOSE: To simplify a control program and supply proper air-fuel mixture, by disposing fuel pressure regulators in main and auxiliary passages to a negative pressure type carburetor and disposing a temperature sensing valve and an idle ...  
JPS62214260A
PURPOSE: To easily control the maximum output of an engine, by a method wherein, in a carburetter having an auxiliary throttle valve sliding in linkage with a manually-controlled main throttle valve, a means, regulating the maximum openi...  
JPS62210250A
PURPOSE: To improve drivability in a carburetor which assumes a feedback control by a step of controlling a bleed air quantity based on an oxygen sensor by adjusting the maximum value of the air bleed quantity depending on engine tempera...  
JPS62210249A
PURPOSE: To stabilize combustibility while the effect of an engine brake is being improved by actuating a throttle positioner at engine speed lower than that where fuel is cut off at the time of deceleration. CONSTITUTION: In a control d...  
JPS62206252A
PURPOSE: To maintain the optimum air-fuel ratio at the time of idling by controlling the mixture ratio regulating actuator of a carburetor when idling based on a pulse signal which is outputted from an air-fuel ratio sensor provided on a...  
JPS62199952A
PURPOSE: To smooth the closing operation of a throttle valve when an engine is sharply decelerated, by installing a subthrottle valve for introducing the cylinder side negative pressure onto the back surface onto the cylinder side of the...  
JPS62195444A
PURPOSE: To improve exhaust gas properties and running properties, by a method wherein, in a carburetter which control an air-fuel ratio by feedback by means of an output from the O2 sensor of an exhaust system, when the output from the ...  
JPS62191650A
PURPOSE: To feed fuel to each of cylinders of a multiple cylinder engine synchronized with its intake stroke by providing a subsidiary fuel feed passage which is interlocked with a closing valve, an air bleed for feeding air to said pass...  
JPS62191651A
PURPOSE: To improve accelerating performance by providing a connecting passage for introducing the discharge side of an accelerating pump to a float chamber and a closing valve which is opened at the time determined in accordance with th...  
JPS62191649A
PURPOSE: To feed fuel to each of cylinders of a multiple cylinder engine synchronized with its intake stroke by providing a fuel feed passage which is opened by the opening action of an inlet valve and a control means which reduces press...  
JPS62191652A
PURPOSE: To carry out the regulation of a proper fuel feeding quantity at all times by providing a fuel pressure regulator operated by the negative pressure of a negative pressure source, in a fuel passage connecting a fuel outlet which ...  
JPS62189342A
PURPOSE: To obtain an optimum control signal gain in a wide operational range from idling to high-speed running, by storing in a storage element a proportional component and an integral component in an air-fuel ratio feedback control, re...  
JPS62189357A
PURPOSE: To improve accelerating response at a time of low temperature, by providing a device to make a fuel passage area variable in accordance with temperature, downstream from a fuel passage for the accelerating pump of a carburetor. ...  
JPS62186046A
PURPOSE: To enhance the acceleration performance at low temps. by connecting two acceleration nozzles to an acceleration fuel path having an acceleration pump, and furnishing an opening/closing valve to open and close one of the accelera...  
JPS62186047A
PURPOSE: To provide high precision controllability for the air-to-fuel ratio over a wide range by furnishing an aux. fuel passage having an opening at a venturi, apart from a fuel passage which includes a measuring jet wherein a measurin...  
JPS62174555A
PURPOSE: To improve feed precision of auxiliary fuel, by a method wherein an electromagnetic fuel injection pump is situated in attendance with a carburetter, and injection fuel is injected with the aid of the injection pump driven accor...  
JPS62174556A
PURPOSE: To improve the control speed of an air-fuel ratio, by a method wherein, in a device which has an electromagnetic type injection pump attached to a carburetter, when an air-fuel from main fuel, air bleed of which is controlled, i...  
JPS62159755A
PURPOSE: To decrease variations in air-fuel ratio caused by changes in the operating condition of an engine, by providing a solenoid valve for performing feed-forward control of the air-fuel ratio in accordance with the operating conditi...  
JPS62159754A
PURPOSE: To aim at enhancing the driveability of a vehicle during transition into high load operation, by carrying out the opening operation of a valve device for driving a power valve and the operation of setting the area of a bypass pa...  
JPS62157269A
PURPOSE: To obtain a carburetor of good responsiveness by making a negative pressure introduction hole for a vacuum piston and a fuel supply line open and close through interlinking with opening and closing of a throttle valve mounted fr...  
JPS62153552A
PURPOSE: To stabilize control by detecting the relaying region between the primary system and the secondary system and compulsorily generating the rich state and then returning to the feedback control when the rich signal is obtained in ...  
JPS62150061A
PURPOSE: To make it possible to regulate fuel flow rate in a main passage freely by arranging a regulating member for bypassing air from an upper part of a large venturi either to its narrowest section or to a lower section. CONSTITUTION...  
JPS62142851A
PURPOSE: To prevent the reduction in torque of a two-cycle engine and the like by controlling the quantity of corrective air bleed by use of imbalance of negative pressure generated accompanied with the opening/closing of a throttle valv...  
JPS62139957A
PURPOSE: To prevent foams from getting larger at the time of operating a solenoid valve and carry out a stable air-fuel ratio control by providing a porous member on a main jet part which is opened and closed by means of said solenoid va...  
JPS62131958A
PURPOSE: To prevent the scattering in air-fuel ratios through analogically controlling air-fuel ratios by providing the fuel control unit of a carburettor with a valve operated under negative pressures, and then controlling said negative...  
JPS62131959A
PURPOSE: To prevent the fuel pulsation and at the same time, improve the control responsiveness by providing a negative pressure operated valve on the fuel control unit of a carburettor, and also a secondary supplying valve on the downst...  
JPS62129551A
PURPOSE: To make carbon preventable from sticking to a mixture compensating slow-air feed port in utilization of detergency by dint of slow-system fuel, by opening the said air feed port to a slow mixture passage at the downstream side o...  
JPS62129553A
PURPOSE: To prevent an air-fuel ratio from going to the rich side as well as to improve a rate of fuel consumption, by letting a controller perform on-off control over a slow cut valve at a time when air-fuel ratio compensation value is ...  
JPS62129554A
PURPOSE: To prevent an engine from malfunctioning temporarily at the time of its starting at high temperature, by setting an air bleed quantity, when a float chamber or the like is in a high temperature state, in conformity with a contro...  
JPS62126257A
PURPOSE: To prevent supply of fuel from decreasing when a Venturi is opened to a high degree, by supplying bleed air of pressure, in which a pressure in a Venturi part is added in addition to the atmospheric pressure, to a secondary main...  
JPS62121850A
PURPOSE: To make the discharge rate of an accelerating fuel proper by independently opening a fuel introducing passage from a float chamber, a fuel delivery passage to an accelerating nozzle, and a leak passage via a temp. sensing valve,...  
JPS62121852A
PURPOSE: To operate an accelerating pump smoothly by providing a passage for circulating fuel in said accelerating pump into a float chamber, on said accelerating pump for the liquid fuel carburetor of an engine which selectively uses ga...  
JPS62113855A
PURPOSE: To make it possible to protect a learned value from the effect of vapor evaporation of fuel etc. by prohibiting the learning of specified load range when a carburetor is in high temperature condition, in the case wherein an air-...  
JPS62113853A
PURPOSE: To prevent unnecessary fuel discharge by making it possible to lock a diaphragm by the action of the second diaphragm at stoppage of an engine or in high temperature condition thereof in the case wherein a pump action is obtaine...  
JPS62113854A
PURPOSE: To make it possible to accurately open or close plural fuel passages by constituting a valve body which opens and closes plural fuel passages with a valve plate fixed to the tip of a solenoid valve movable rod and a plural seal ...  
JPS6299663A
PURPOSE: To enable a more secure driving of a step motor by operating it so as to have a prescribed normal or reverse rotation characteristic in response to the deviation value in the target step number and the actual step number, when t...  
JPS6296768A
PURPOSE: To improve the accelerating performance, in a system where a starter valve is opened and a rich fuel is fed at start of engine, by opening the starter valve when the opening of a throttle valve is wide while the intake negative ...  
JPS6293479A
PURPOSE: To improve a check effect, by providing a check value in a fuel supply line and forming a fuel inflow direction side into a recessed shape while an opposite side into a cylindrical or polygonal pyramid shape, in the case of an a...  
JPS6291648A
PURPOSE: To allow air to flow smoothly with the provision of the shorter length of duct by integrating both a main passage which communicates an air cleaner with an intake port of a carburator, and a sub-passage which communicates the ai...  
JPS6278457A
PURPOSE: To decrease the size of a device and a cost, by a method wherein, in a titled carburetter of a variable venturi type, a negative pressure responding valve, opening and closing a suction passage, and a slide throttle valve are po...  
JPS6270650A
PURPOSE: To reduce an air surplus ratio at a high engine load operation so as to increase the output with a rich fuel air mixture provided by providing a valve which effects the closing motion of a fuel by-pass port linked with the throt...  
JPS6267264A
PURPOSE: To aim at the promotion of smoothness in piston operation and improvement in durability, by producing a suction piston of a variable choke type carburetor with plastics being mixed with such a filler that makes a molding contrac...  

Matches 851 - 900 out of 2,888