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JP52142128 |
PURPOSE: In the valve equipment of an exhaust purifying system of vehicles, etc., to effectively conduct the exhaust purification in all the drive range by giving the air intake manifold negative pressure and the air pump positive pressu...
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JP52139832 |
PURPOSE: To adequately control air fuel ratio in response to the operation conditions of an engine, by putting a by-intake passage provided with a butterfly valve communicated with an air fuel ratio control valve side by side with a main...
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JP52135931 |
PURPOSE: To provide an air ejection unit which is equipped with a mixture control valve composed of a suction chamber capable of detecting any increase in the intake suction magnitude, and an air valve driven by operation of the suction ...
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JP52135930 |
PURPOSE: To provide an air ejection unit which supplies air into the intake port during the period of prescribed time delay after the intake suction is increased, by means of the suction chamber, where the increase in suction magnitude i...
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JP52135928 |
PURPOSE: To prevent the mixture from becoming too rich in both acceleration and deceleration phase and also especially to have CO generation restricted, by arranging additional air to be ejected automatically into the intake duct as ofte...
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JP52135929 |
PURPOSE: Concering an air ejection unit arranged to supply air ejection into the intake duct a certain time after engine deceleration, it is attempted to prevent CO generation through the whole period of speed change, by installing in th...
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JP52135923 |
PURPOSE: To provide a control procedure that at every time when the signal for the deviation of the exhaust senser output from its set value inverts its sign, the time constant in the integral circuit which integrates the deviation signa...
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JP52135927 |
PURPOSE: To prevent the mixture from becoming too rich in both acceleration and deceleration phase and also especially to have CO generation restricted by arranging additional air to be ejected automatically into the intake duct as often...
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JP52135932 |
PURPOSE: To provide an air ejection unit equipped with an air valve which is installed in the passage leading from the intake duct to the ambient atmosphere and which is kept opened through its control mechanism during the prescribed per...
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JP52135926 |
PURPOSE: To provide an air ejection unit whose air-valve controlled passage is composed of each wide and narrow duct which corresponds to each operation state of the engine, together with air ejection valves that are operative both in de...
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JP52134930 |
PURPOSE: To permit the control valve to be smoothly controlled by quaranteeing the step width of a pulse motor and thereby driving the pulse motor without the possibility of causing hunting or reversion phenomenon.
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JP52134919 |
PURPOSE: To improve the economy of fuel and increase the stability of the engine through improvement of atomization of air-fuel mixture and ratio thereof in the engine cylinder by causing air to issue through the tube wall while atomizin...
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JP52134929 |
PURPOSE: To permit the control valve to be smoothly controlled by driving a pulse motor with sufficient torque-wise drive step width provided even at the time of starting, stopping and switching of the rotational direction of the pulse m...
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JP52134928 |
PURPOSE: To permit generation of sufficient torque for starting of motor and switching of rotation and also permit smooth control of a control valve by providing a clock pulse signal for pulse motor control in synchronism to the motor an...
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JP52132222 |
PURPOSE: On the near upstream of the whole closing position of the throttle valve and on the further upstream of the position described above, a bypath connecting with the downstream side of the venturi is arranged, and on said bypath, a...
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JP52129832 |
PURPOSE: To reduce NOx at acceleration and load increase of the engine without aggravading fuel in the idling, by providing a control valve to inject air to the intake path between the gas comparator and the engine and cooperating with t...
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JP52129842 |
PURPOSE: To accurately realized the general air fuel ratio required by the engine by providing a bypass path in the air passage with a throttle valve that corresponds to the air flow in the mixed gas forming passage and the air passage i...
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JP52129831 |
PURPOSE: To improve the flexibility at transient operation of an engine by a high speed operation of by-passing air valve for a fixed time after the signal from the air fuel ratio senser reversed when an air fuel ratio controller of an i...
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JP52127517 |
PURPOSE: To reduce exhaustion of CO and HC as well as to improve warming-up driving by providing a bypass valve in a compensating air passage to introduce air to the downstream of a throttle valve, controlling the maximum opening of this...
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JP52127516 |
PURPOSE: To promote starting ability of an engine for preventing phenomenons of hunting and surging by providing a bypass choke valve operated by pressure signals that change according to the warming state of the engine beside a control ...
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JP52125930 |
PURPOSE: The feedback compensation of the air-fuel ratio is performed by adding the compensation air according to the signal of the air-fuel ratio detector, and the amount of the added air varied with time in increase or decrease is cont...
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JP52125929 |
PURPOSE: To facilitate starting and improve the operation performance after warming-up by arranging a bypass choke valve operated according to the warming-up state of the engine on the compensation air passage and by closing said valve t...
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JP52124538 |
PURPOSE: To prevent the over-dilution of mixture in the case of low speed and low load, by controlling the maximum opening of a by-path valve of an passage for correction of a carbureter in response to the intake air quantity of an inter...
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JP52124537 |
PURPOSE: To ensure good engine operation during warming up and reduce the exhaust quantity of CO, HC, by controlling the maximum opening of a by-path valve, which controls the passage area of an air passage for correction of a carbureter...
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JP52121104 |
PURPOSE: To have NOx generation as well as fuel consumption reduced, by means of strong vortex and turbulent flow in the combustion chamber generated by the mechanical device which opens the auxiliary intake valve during the intake strok...
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JP52121132 |
PURPOSE: In regard to paired two cylinders, to prevent generation of excessive residual of raw gas and improve deceleration feeling, by making the distribution ratio more fitting to each cylinder as well as making the amount of primary a...
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JP52115916 |
PURPOSE: To prevent the inflow of gasoline and the like into a diaphragm chamber, by setting a gasoline receiver to a signal negative press. passage, and by mounting a gasoline return passage, in which gasoline and oil flow down by gravi...
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JP52109028 |
PURPOSE: To prevent the suction of fuel evaporated gas into an intake pipe as well as the overheat of a catalyzer convertor, by settin a thermo-valve to the way of a purge control valve of a charcoal canister and the intake pipe.
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JP52097032 |
PURPOSE: To use the most economical air fuel ratio at the constant speed running and use the smaller air fuel ratio than the most economical one at the transient variation time and full load time.
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JP52093831 |
PURPOSE: To reduce the deterioration of the drive ability of an engine by providing a corrector for correcting toward the increase of lost combustion ratio the mixture gas formed in the sub-combustion chamber thereof just before ignition...
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JP52093826 |
PURPOSE: To simplify an exhaust gas cleaner by providing in an engine a change-over valve having an air inlet communicating with a compressed air source, an EGR gas inlet, a discharge port for selectively discharging primary air or EGR gas.
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JP52089725 |
PURPOSE: By setting appropriately the position of providing a servo-port, the orifice capability of a servoduct in transmitting a negative pressure, and the established pressure of opening the value of an air-fuel ratio control value, to...
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JP52087522 |
PURPOSE: To prevent afterburning and the generation of HC and CO in deceleration by arranging a flow rate control valve for mixed gas, interconnecting with the throttle valve of the carburetor, and by feeding air for a fixed hours on the...
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JP52085635 |
PURPOSE: In multi-cylinder type internal combustion engine, after-burn is prevented when abrupt decelration of the engine is made, by providing a valve which is operated in response to a rapid increase in a negative pressure in the intak...
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JP52085630 |
PURPOSE: To prevent engine trouble by supplying the air upstream of the throttle valve to the down-stream side via bypass passage during operation of car cooler and by keeping an amount of air required for idling operation.
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JP52077934 |
PURPOSE: To prevent surging of vacuum limitter where atmospheric air supply is controlled using vacuum pressure as pilot pressure, by eliminating fluttering of valve means when opening it.
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JP52070239 |
PURPOSE: To prevent lowering of driving ability caused by EGR, by providing a contr olling means of air and fuel rate to be synchronously operated with a controlling means of exhaust gas returning (EGR) for stabilizing engine operation w...
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JP52070244 |
PURPOSE: To lighten the burden of a choke valve to regulate air and fuel rate in a carburetter by stopping the operation of an air and fuel rate control apparatus to set thicker rate of air and fuel until an engine is sufficiently warmed...
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JP52066116 |
PURPOSE: A bypass is arranged in the injection carubretor, and on said bypass is arranged a valve body which is controlled by declining a thermoelement according to the heating value of a PTC element, and the amount of the additional air...
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JP52064538 |
PURPOSE: To improve air fuel ratio correction response of mixture by regulating correction air flow upon air fuel detection signal in exhaust system, accelerate/ decelerate detection signal of engine and air bypath valve completely close...
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JP52064510 |
PURPOSE: To reduce NOx considerably and perform oxidation of HC, CO effectively by making mixed gas a little thicker than theoretical air fuel ratio in normal operation range of the engine while simultaneously setting the position of ign...
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JP52063527 |
PURPOSE: Control engine's intake air volume and secondary air to purify waste gas to be always maintained at the fixed ratio and achievement of appropriate feeding of the said secondary air volume.
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JP52059223 |
PURPOSE: Operation of of the driving method is to be under on/off control by means of a control system in order to organise proper adjustment of the air flow volume to be supplementarily supplied at both constant and transient states to ...
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JP52059225 |
PURPOSE: Operation of teh driving method is to be under on/off control by means of a control system order to organise proper adjustment of the air flow volume to be supplementarily supplied at both constant and transient states' to obtai...
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JP52059224 |
PURPOSE: Operation of the driving method is to be under on/off control by means of a control system in order to organise proper adjustment of the air flow volume to be supplementarily supplied at both constant and transient states to obt...
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JP52053138 |
PURPOSE: To prevent HC, CO from being emitted to the open air by means of making a big air/fuel ratio of the mixture when in an engine deceleration, in case of the engine having overrich and ovelean mixture cylinder.
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JP52053142 |
PURPOSE: Time variation of the adjustable amount of the additional air controlled by each different value, in a device where feed-back compensation is made by adding a compensating air for air/fuel mixture ratio of internal combustion ei...
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JP52053129 |
PURPOSE: To prevent the emission of HC, CO by enlarging the air/fuel ratio of the mixture supplied especially to overrich mixture cylinder when in a deceleration of the engine, in case of an engine having overrich mixture cylinder and ov...
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JP52053145 |
PURPOSE: A good spraying of the fuel at the time of cold starting.
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JP52052031 |
PURPOSE: By constituting a bimetal holder which is mounted to an air cleaner with a thermal bad conductor, the bimetal is fitted faithfully to an ambient temperature.
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