Exhaust gas purifying device and method for internal combustion engine
    1.
    发明授权
    Exhaust gas purifying device and method for internal combustion engine 有权
    内燃机废气净化装置及方法

    公开(公告)号:US07246485B2

    公开(公告)日:2007-07-24

    申请号:US10491721

    申请日:2002-10-14

    IPC分类号: F01N3/00

    摘要: Removal of fine particles by oxidation or/and sulfur poisoning recovery control may be required when an internal combustion engine has been in an extremely low load state for a predetermined period or more. In this case, the engine speed of the internal combustion engine (1) is adjusted to a range where the temperature of a filter (20) can be raised by heat-up control. The heat-up control is then executed by a filter temperature control means to raise the temperature of the filter (20) to a predetermined value. When the filter (20) reaches the predetermined temperature by means of low-temperature combustion, post-injection, VIGOM-injection, addition of 10 fuel to an exhaust system and the like, removal of fine particles by oxidation or/and sulfur poisoning recovery control for eliminating sulfur poisoning of a NOx absorbent are conducted. Removal of PMs captured by the filter and sulfur poisoning recovery control of the NOx absorbent can thus be conducted even if the internal combustion engine is left in an extremely low load operational state.

    摘要翻译: 当内燃机处于非常低的负载状态达预定期间或更长时间时,可能需要通过氧化或/和硫中毒恢复控制来去除细颗粒。 在这种情况下,通过加热控制将内燃机(1)的发动机转速调整到能够提高过滤器(20)的温度的范围。 然后,由过滤器温度控制装置执行升温控制,以将过滤器(20)的温度升高到预定值。 当过滤器(20)通过低温燃烧,后喷射,VIGOM喷射,向排气系统等添加10个燃料达到预定温度时,通过氧化或/和硫中毒回收除去细颗粒 进行用于消除NOx吸收剂的硫中毒的控制。 因此,即使内燃机处于非常低的负荷运转状态,也可以进行由过滤器捕获的PM的除去和NOx吸收剂的硫中毒回收控制。

    FUEL INJECTION CONTROL APPARATUS AND FUEL INJECTION CONTROL METHOD
    8.
    发明申请
    FUEL INJECTION CONTROL APPARATUS AND FUEL INJECTION CONTROL METHOD 有权
    燃油喷射控制装置和燃油喷射控制方法

    公开(公告)号:US20100108024A1

    公开(公告)日:2010-05-06

    申请号:US12528865

    申请日:2009-06-11

    IPC分类号: F02B3/00 F02M7/00

    摘要: According to an internal combustion engine fuel injection control apparatus and control method, when an operating region of the engine shifts from a fuel cut region in which no fuel is injected to a low load region in which a small amount of fuel is injected, or visa versa, at least one pilot injection is executed ahead of a main injection in the low load region, and the number of pilot injections is determined according to the engine coolant temperature. This injection control makes it possible to ensure drivability while suppressing the amount of HC produced.

    摘要翻译: 根据内燃机燃料喷射控制装置和控制方法,当发动机的运转区域从不注入燃料的燃料切断区域向注入少量燃料的低负荷区域移动时,或者签证 反之亦然,在低负载区域中的主喷射之前执行至少一次先导喷射,并且根据发动机冷却剂温度确定引燃喷射次数。 该喷射控制使得可以在抑制所产生的HC的量的同时确保驾驶性能。

    Combustion chamber of an internal combustion engine
    10.
    发明授权
    Combustion chamber of an internal combustion engine 失效
    内燃机燃烧室

    公开(公告)号:US4191135A

    公开(公告)日:1980-03-04

    申请号:US857887

    申请日:1977-12-06

    IPC分类号: F02B23/00 F02B19/02 F02B23/08

    CPC分类号: F02B19/02 Y02T10/125

    摘要: Disclosed is an internal combustion engine comprising a combustion chamber and an accumulation chamber which are interconnected to each other via a valve. The opening operation of the valve is controlled so that the valve remains opened during the compression stroke. In the first half of the compression stroke, a jet of the combustible mixture is spouted out into the combustion chamber from the accumulation chamber to create a strong swirl motion in the combustion chamber. In the latter half of the compression stroke, the combustible mixture in the combustion chamber flows into the accumulation chamber to accumulate the combustible mixture under high pressure, which is spouted out into the combustion chamber at the next cycle, in the accumulation chamber.

    摘要翻译: 公开了一种内燃机,其包括经由阀彼此互连的燃烧室和积聚室。 控制阀的打开操作,使得阀在压缩冲程期间保持打开。 在压缩冲程的前半部分中,可燃混合物的射流从积聚室喷出到燃烧室中,以在燃烧室中产生强烈的旋转运动。 在压缩行程的后半部分,燃烧室内的可燃混合物流入积聚室,以在高压下积聚可燃混合物,该混合物在下一个循环中在积聚室中喷出燃烧室。