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    • 3. 发明授权
    • Cooling passage partition for an internal combustion engine
    • 用于内燃机的冷却通道隔板
    • US08091518B2
    • 2012-01-10
    • US12309609
    • 2007-07-27
    • Takasuke ShikidaShuichi HanaiMakoto HatanoToshihiko KumasakaMotonori Kondo
    • Takasuke ShikidaShuichi HanaiMakoto HatanoToshihiko KumasakaMotonori Kondo
    • F02F1/14B21K3/00
    • F02F1/14F01P2003/021Y10T29/49231
    • A partition member used in a cylinder block of an internal combustion engine is disclosed. The partition member is arranged in a groove-like cooling passage through which a cooling heat medium flows. The partition member includes a separating wall and a flexible lip member. The separating wall divides the cooling passage into an inner passage and an outer passage. The inner passage is located close to the cylinder bores, and the outer passage is located outside of the inner passage. The lip member extends from the separating wall toward the opening of the cooling passage in such a manner that, when the partition member is arranged in the cooling passage, the lip member contacts one of the inner surfaces of the cylinder block forming the cooling passage. When the partition member is arranged in the cooling passage, the distal edge portion of the flexible lip member contacts the inner surface due to force produced through flexible shape restoration of the lip member.
    • 公开了一种在内燃机的气缸体中使用的分隔构件。 分隔构件布置在冷却热介质流过的槽状冷却通道中。 分隔构件包括分隔壁和柔性唇形构件。 分隔壁将冷却通道分成内部通道和外部通道。 内通道靠近气缸孔,外通道位于内通道的外侧。 唇部件从分离壁向冷却通道的开口延伸,使得当分隔构件布置在冷却通道中时,唇形件接触形成冷却通道的气缸体的内表面之一。 当分隔构件布置在冷却通道中时,柔性唇缘构件的远端边缘部分由于唇形构件的柔性形状恢复产生的力而接触内表面。
    • 4. 发明授权
    • Diagnosis apparatus for fuel vapor purge system
    • 燃油蒸气净化系统诊断装置
    • US06523398B1
    • 2003-02-25
    • US09451098
    • 1999-11-30
    • Shuichi HanaiShin AdachiTokiji ItohYuichi KoharaNoriyuki Iden
    • Shuichi HanaiShin AdachiTokiji ItohYuichi KoharaNoriyuki Iden
    • G01M1900
    • F02M25/0809F02M25/089
    • An improved diagnosis apparatus for detecting leakage of a fuel vapor purge system that purges fuel vapor from a fuel tank to an intake passage of an engine. The apparatus includes a pressure sensor and a purge valve. The pressure sensor detects the pressure in the purge system. The purge valve connects the purge system with the intake passage for lowering the purge system pressure to a predetermined pressure level. After the purge system pressure is lowered to the predetermined level, the purge system is sealed. The apparatus measures the rate of pressure change immediately after the purge system is sealed. The apparatus subsequently measures the rate of pressure change when the purge system pressure reaches a second reference pressure value and computes the ratio of the rates. The apparatus diagnoses whether there is a leak in the purge system based on the ratio and the rate of pressure change at the second reference pressure value.
    • 一种改进的诊断装置,用于检测从燃料箱向发动机的进气通道吹扫燃料蒸汽的燃料蒸气吹扫系统的泄漏。 该装置包括压力传感器和净化阀。 压力传感器检测吹扫系统中的压力。 吹扫阀将吹扫系统与进气通道连接,以将吹扫系统压力降低到预定压力水平。 在清洗系统压力降低到预定水平之后,清洗系统被密封。 该装置在吹扫系统被密封之后立即测量压力变化率。 该装置随后在吹扫系统压力达到第二参考压力值时测量压力变化率并计算速率的比率。 该装置基于第二参考压力值的比率和压力变化率来诊断吹扫系统中是否存在泄漏。
    • 9. 发明授权
    • Internal combustion engine cooling system
    • 内燃机冷却系统
    • US07370612B2
    • 2008-05-13
    • US11566895
    • 2006-12-05
    • Shuichi Hanai
    • Shuichi Hanai
    • F01P11/02F01P7/16
    • F01P11/20F01P2007/146F01P2011/205
    • A check valve having a thermostat function is provided between an engine and a thermal storage tank that stores a portion of the coolant circulating in the engine. The check valve restricts the flow of the coolant from the engine to the thermal storage tank, and loosens the restriction when the temperature of the coolant increases. Through such operation of the check valve, the warm coolant is collected in the thermal storage tank and engine preheating may be performed before engine start. Thus, by providing between the engine and the thermal storage tank the check valve that operates in response to the temperature of the coolant, engine preheating can be accomplished with a simple structure and at a low cost, without using a three-way valve and performing an electrical valve switching control.
    • 具有恒温功能的止回阀设置在发动机和储存在发动机中循环的冷却剂的一部分的储热箱之间。 止回阀限制冷却剂从发动机到蓄热箱的流动,并且当冷却剂的温度增加时松开限制。 通过止回阀的这种操作,热的冷却剂被收集在储热罐中,发动机预热可以在发动机启动之前进行。 因此,通过在发动机和储热罐之间设置响应于冷却剂的温度而操作的止回阀,可以以简单的结构并以低成本实现发动机预热,而不使用三通阀并执行 电阀开关控制。
    • 10. 发明授权
    • Diagnostic apparatus and method for fuel vapor purge system
    • 燃油蒸气吹扫系统的诊断装置和方法
    • US06564780B2
    • 2003-05-20
    • US09859450
    • 2001-05-18
    • Shuichi HanaiTokiji ItoNoriyuki Iden
    • Shuichi HanaiTokiji ItoNoriyuki Iden
    • F02M3302
    • F02M25/0809
    • In a diagnostic apparatus and method for a fuel vapor purge system in which fuel vapor generated in a fuel tank trapped in a chamber is purged into an intake passage of an internal combustion engine through a purge path, a first change in a pressure of the purge path is measured after creating a pressure difference between the inside and outside of the purge path and sealing the purge path, and a second change in pressure that varies with an amount of fuel vapor generated in the fuel tank is measured while the purge path is sealed for a first period of time after an atmospheric pressure is introduced into the purge path. Then, it is determined whether leakage is present in the purge path, based on the first change and the second change in the pressure of the purge path. Before the measurement of the first and second pressure changes, a third change in the pressure that varies with an amount of fuel vapor generated in the fuel tank is measured while the purge path is sealed for a second period of time after the atmospheric pressure is introduced into the purge path before the pressure difference is created. The leakage diagnosis is inhibited when the third change in the internal pressure is greater than a predetermined value, and the leakage diagnosis is permitted when the third change is equal to or less than the predetermined value.
    • 在用于燃料蒸汽吹扫系统的诊断装置和方法中,其中在被捕获在腔室中的燃料箱中产生的燃料蒸气通过吹扫路径被清除到内燃机的进气通道中,吹扫压力的第一变化 在净化路径的内部和外部产生压差并密封吹扫路径之后测量路径,并且在吹扫路径被密封的同时测量随燃料箱中产生的燃料蒸气量而变化的第二压力变化 在大气压力被引入净化通道中之后的第一时间段内。 然后,基于吹扫路径的第一次变化和第二次压力变化,确定吹扫路径中是否存在泄漏。 在第一和第二压力的测量变化之前,测量在燃料箱中产生的燃料蒸气量变化的压力的第三变化,同时在引入大气压力之后的第二时间段中将净化路径密封 在创建压力差之前进入吹扫路径。 当内部压力的第三变化大于预定值时,泄漏诊断被禁止,并且当第三变化等于或小于预定值时允许泄漏诊断。