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    • 6. 发明授权
    • Method of and apparatus for controlling air/fuel ratio in internal
combustion engine
    • 内燃机空燃比控制方法及装置
    • US4107920A
    • 1978-08-22
    • US631313
    • 1975-11-12
    • Hidehiro MinamiKenji IkeuraGiichi Shioyama
    • Hidehiro MinamiKenji IkeuraGiichi Shioyama
    • F01N3/30F02D35/00F02D41/14F02B75/10
    • F01N3/30F02D35/0061F02D41/1454F02D41/1489Y02T10/20
    • A method of and apparatus for controlling the air-to-fuel ratio of a combustible mixture in an internal combustion engine of the particular type using mixture control means arranged to regulate the air-to-fuel mixture within a predetermined relatively high range for the purpose of enabling an exhaust cleaning catalytic reactor to perform its maximum function, characterized in that the air-to-fuel ratio is reduced, viz., the mixture is enriched during highly loaded operational conditions of the engine by supplying additional fuel to the mixture supply system of the engine, temporarily disabling the mixture control means during such conditions or diluting the exhaust gases during high load conditions of the engine so that the control means is caused to operate in such a manner as to compensate for the reduced concentration of air in the exhaust gases.
    • 使用混合控制装置来控制特定类型的内燃机中的可燃混合物的空燃比的方法和装置,该混合物控制装置被布置成在预定的相对较高的范围内将空气燃料混合物调节到该目的 使废气净化催化反应器能够发挥其最大功能,其特征在于,降低空气 - 燃料比,即,通过向混合物供应系统供应额外的燃料,在发动机的高负载运行条件下,混合物被富集 在发动机的高负载条件期间暂时禁用混合物控制装置,或者在发动机的高负载条件下稀释废气,使得控制装置以补偿排气中的空气浓度降低的方式运行 气体。
    • 7. 发明授权
    • Fuel feed control system of internal combustion engine
    • 内燃机燃油供料控制系统
    • US4046122A
    • 1977-09-06
    • US681376
    • 1976-04-29
    • Ryoichi NakagawaShuya NambuHidehiro Minami
    • Ryoichi NakagawaShuya NambuHidehiro Minami
    • F02B19/10F02M51/02F02B19/18
    • F02M51/02F02B19/10Y02T10/125
    • A multi cylinder torch ignition internal combustion engine including a main combustion chamber and an auxiliary combustion chamber for each is cylinder designed for proper air-fuel ratios of mixtures for both types of combustion chambers. In order to effectively prevent uneven distribution of air-fuel mixture in each of the engine cylinders irrespective of complicated configuration of the intake manifold of the engine, an intake valve is provided in each of the main combustion chambers and the auxiliary combustion chambers. The latter communicate with the main combustion chambers and have an ignition plug therein. An independent intake passageway is between each intake valve and the intake manifold, and a fuel injection device is disposed in each of the intake passageways. By this arrangement, a proper air-fuel mixture ratio can be individually maintained in the main combustion chamber and the auxiliary combustion chamber.
    • 包括主燃烧室和辅助燃烧室的多缸火炬点火式内燃机是用于两种类型的燃烧室的混合物的适当空燃比设计的气缸。 为了有效地防止每个发动机气缸中的空气 - 燃料混合物的不均匀分布,而与发动机的进气歧管的复杂构造无关,在每个主燃烧室和辅助燃烧室中设置有进气阀。 后者与主燃烧室连通并且在其中具有火花塞。 每个进气门和进气歧管之间都有独立的进气通道,并且在每个进气通道中设置有燃油喷射装置。 通过这种布置,可以在主燃烧室和辅助燃烧室中单独地保持适当的空气 - 燃料混合比。