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JPH07180558A |
PURPOSE: To eliminate a need for a conventional valve mechanism and to remarkably simplify constitution by a method wherein a piston stoker to open and close suction and exhaust ports rotated in linkage with stroke movement of a piston i...
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JPH07174027A |
PURPOSE: To allow a four cycle engine favourably corresponding to the mirror cycle by shaping the inner shape (sectional shape) of a rotary valve to an H- shape and forming an air port which is opened within a specific angular range even...
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JPH0751889B2 |
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JPH0749766B2 |
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JPH0745824B2 |
PURPOSE:To make possible a control in increasing the quantity of delay angle as loading is increased by controlling a suction timing delay means delaying the timing of suction start for an engine in such a way that a delay angle is incre...
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JPH07119470A |
PURPOSE: To perform control such that operation of an exhaust valve sufficiently follows up the number of revolutions of an engine even when an engine is accelerated, especially when it is rapidly accelerated. CONSTITUTION: An exhaust ti...
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JPH07102918A |
PURPOSE: To provide a miniaturized and cheap cylinder head for engine, whose internal consumption requirement is small and which can improve fuel consumption. CONSTITUTION: An inlet rotor 10 is provided at a part of an intake air port 7,...
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JPH07102919A |
PURPOSE: To enable cooling and lubricating by using oil in a rotary valve by carrying out air cooling by feeding air, by a cooling fan to the outer frame of a heated rotary valve, providing projecting/recessed parts to the outer frame of...
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JPH0797939A |
PURPOSE: To generate the maximum torque while preventing generation of knocking under the general driving condition by driving a valve timing adjusting device on the basis of the detected signal of a knock sensor and adjusting the compre...
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JPH0730688B2 |
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JPH0783011A |
PURPOSE: To provide a rotary valve which increases the cycle efficiency of an engine by reducing a throttle loss to be generated at the time of valve closing and prevents the occurrence of knocking in the case of a gasoline engine and re...
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JPH0754661A |
PURPOSE: To provide a shape of an air supply and exhaust opening of a rotary valve and a shape of an air supply and exhaust opening of a combustion chamber and to reduce the diameter of the rotary valve according to the latter shape. CON...
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JPH0734888A |
PURPOSE: To provide characteristic of constant output from middle speed to high speed by providing a rotary vale in the intake system of the engine, and by controlling a supercharging quantity to be constant regardless of engine rotation...
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JPH076391B2 |
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JPH0726916A |
PURPOSE: To provide a low and a high speed, and a timing of opening and closing intake and exhaust ports of a rotary valve used in a four- or six-cycle engine, which is suitable for the purpose and the speed of an engine, and which enhan...
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JPH0711972A |
PURPOSE: To improve the intake and exhaust efficiency of an internal combustion engine and to reduce the size and the weight of the internal combustion engine and to enhance performance by eliminating adjustment of a valve gap and elimin...
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JPH074216A |
PURPOSE: To provide a device suited to vaporized injection of fuel in an approximately cylindrical rotary plug for introducing fluid into a combustion chamber for an internal combustion engine. CONSTITUTION: A plug includes at least an i...
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JPH0687608U |
[Purpose] To improve fuel efficiency compared to conventional products and to minimize the damage caused by breakdowns. [Constitution] An object with a hole is attached to a cylindrical rod between the upper part of the cylinder and the ...
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JPH06346738A |
PURPOSE: To accurately drive an exhaust control valve by providing a drive source therefor above a flywheel cover laid at a position opposite to a pulley for driving the auxiliaries of an engine body. CONSTITUTION: An exhaust control val...
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JPH06323112A |
PURPOSE: To simplify a structure and obtain proper and efficient intake/exhaust function in high-speed operation of an engine by performing complicated function of valve mechanisms having conventional combination of a cam shaft and sprin...
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JPH06317120A |
PURPOSE: To provide a device of a mechanism which is adjustable for valve timing during an operation for speed and/or load characteristic and is simple, in an adjustable rotary valve assembly for internal combustion engine. CONSTITUTION:...
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JPH0689669B2 |
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JPH0686867B2 |
PURPOSE:To prevent abnormal abrasion by crossing the center of the combined reaction forces caused through the pressure of fluid functioning onto a valve plate and the center of the combined pushing forces of piston each other on a plane...
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JPH06280572A |
PURPOSE: To provide a supercharger engine of which torque and fuel consumption can be remarkably improved. CONSTITUTION: An intake rotary valve 8 and an exhaust rotary valve 9 which are are formed into cylindrical shapes, provided with h...
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JPH06272579A |
PURPOSE: To keep the exhaust timing accurately by preventing exhaust gas leakage from between an exhaust port and an exhaust timing control valve as well as to keep engine constitution simply even if an exhaust device is juxtaposed. CONS...
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JPH0658165U |
[Purpose] The rotary shutter type idle control valve prevents malfunction due to dirt. [Constitution] Immediately after switching the ignition switch from ON to OFF (S1), the rotary shutter type idle control valve is forcibly rotated ove...
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JPH0658145U |
[Purpose] The rotary shutter type idle control valve prevents malfunction due to dirt. [Constitution] It has a cylindrical housing 1 having an opening 2 in the peripheral wall, and a cylindrical slider 5 fitted in the inner circumference...
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JPH0658146U |
[Purpose] In a rotary shutter type idle control valve in which a permanent magnet is fixed to the rotating shaft of the valve body and an electromagnetic coil is arranged around the permanent magnet, variation in flow rate is suppressed....
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JPH0649703U |
[Purpose] Stable rotation in the high rpm range of the engine. Increase the fuel combustion rate and increase the fuel consumption rate. It also reduces pollution caused by exhaust gas. [Constitution] An intake ring 35 and an exhaust rin...
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JPH06185320A |
PURPOSE: To make an engine compact and to make a valve system endurable against high speed rotation by rotating two pieces each of roller valves on both sides installed in a cylinder head in the opposite directions respectively. CONSTITU...
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JPH06185319A |
PURPOSE: To heighten output limit of an internal combustion engine and limit of engine speed by placing a rotating blocking object between a suction and exhaust air pipe and a combustion chamber and by drilling a hole on a part of it so ...
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JPH0647626U |
[Purpose] The present invention provides a control valve device that prevents the generation of airflow noise when the valve is fully opened and reduces the load on the actuator when the valve opening is adjusted to hold the valve. The p...
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JPH0646007B2 |
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JPH0643254U |
[Purpose] Provided is an exhaust gas recirculation device 8 that makes it possible to effectively reduce the amount of NOx generated without deteriorating drivability by accurately proportionalizing the load state of the engine 1 with th...
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JPH06159071A |
PURPOSE: To achieve the benefits of both loop scavenging and head scavenging simultaneously so as to improve scavenging performance by executing a second scavenging stroke via an intake valve arranged in a cylinder head and openable and ...
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JPH0619800Y2 |
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JPH0619799Y2 |
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JPH0637509U |
[Purpose] By applying the intake / exhaust hole opening / closing structure using a rotary valve, the purpose is to improve engine overrun resistance and simplify the structure. [Constitution] A valve shaft 18 is provided inside the cyli...
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JPH0614003Y2 |
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JPH06101505A |
PURPOSE: To improve gas tightness between a rotational valve body and a valve seat part and suppress generation of abnormal noise due to gap between the rotational valve body and the valve seat part, etc., by utilizing excessive driving ...
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JPH0612225Y2 |
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JPH06502708A |
PCT No. PCT/FR92/00757 Sec. 371 Date May 4, 1993 Sec. 102(e) Date May 4, 1993 PCT Filed Jul. 31, 1992 PCT Pub. No. WO93/03260 PCT Pub. Date Feb. 18, 1993.A rotary throttle valve for transferring a fluid between a fluid source and a combu...
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JPH0681658A |
PURPOSE: To provide an intake control device for a two stroke engine, which provides excellent pneumatic control in a cylinder. CONSTITUTION: A two stroke engine includes a cylinder, a device 21 being provided for allowing the feeding of...
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JPH0674009A |
PURPOSE: To provide a pure rotary shaft valve which can replace a conventional general reciprocating, oscillating dynamic valve mechanism, has a better heat dissipation as compared with the conventional valve and can minimize heat loss o...
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JPH0666118A |
PURPOSE: To form an engine main body compactly by turning a disc plate valve which is installed in a cylinder head and in which double laminated upper and lower parts are rotated in opposite directions each other, by means of rotation of...
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JPH0658151A |
PURPOSE: To perform reliable combustion of lean air-fuel mixture fed in a main combustion chamber by a method wherein a plurality of valve functions are provided together, an auxiliary combustion chamber is formed in a valve, the opening...
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JPH068731U |
[Purpose] When the rotary valve for controlling the opening of the auxiliary exhaust passage is rotated between fully open and fully closed each time the engine is started, so that the rotary valve opening becomes constant after low-spee...
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JPH0617622A |
PURPOSE: To reduce the energy toss and increase the output by providing a through hole in the radial direction of rod shape which penetrates an air intake/ exhaust valve of a reciprocal internal combustion engine, and intaking or exhaust...
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JPH064304U |
[Purpose] It provides an exhaust system for a 4-cycle engine that can achieve high output without mechanical loss in power transmission and can improve exhaust efficiency and achieve low fuel consumption. [Constitution] An exhaust cylind...
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JPH05321619A |
PURPOSE:To provide a four-cycle engine which is miniaturized and lightweight and which can operate in various postures. CONSTITUTION:A cylinder valve 4 having a simple structure is provided between an engine block and a piston, for openi...
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