IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0315989
(2002-12-11)
|
우선권정보 |
JP-0378946 (2001-12-12) |
발명자
/ 주소 |
- Morimoto, Manabu
- Oohashi, Kazuya
- Terada, Mikio
|
출원인 / 주소 |
- Mitsubishi Jidosha Kogyo Kabushiki Kaisha
|
인용정보 |
피인용 횟수 :
34 인용 특허 :
13 |
초록
▼
A control unit activates regeneration assist means, if a specific operating state involving incomplete combustion of particulates by NO2continues for a predetermined period or more, as a first determination condition, and controls an exhaust gas temperature or a temperature of a catalyst to enhance
A control unit activates regeneration assist means, if a specific operating state involving incomplete combustion of particulates by NO2continues for a predetermined period or more, as a first determination condition, and controls an exhaust gas temperature or a temperature of a catalyst to enhance the conversion efficiency of the catalyst into NO2,thereby continuously regenerating the particulates. The control unit activates forced regeneration means, if a deposited amount of particulates detected by deposited amount detecting means exceeds a predetermined value, as a second determination condition, and controls the exhaust gas temperature or a temperature of a filter to be higher than that of when the regeneration assist means is activated to forcibly regenerate the filter. The control unit activates either the forced regeneration means or the regeneration assist means in accordance with the temperature sensed by temperature sensing means, if the first and second determination conditions are simultaneously established.
대표청구항
▼
A control unit activates regeneration assist means, if a specific operating state involving incomplete combustion of particulates by NO2continues for a predetermined period or more, as a first determination condition, and controls an exhaust gas temperature or a temperature of a catalyst to enhance
A control unit activates regeneration assist means, if a specific operating state involving incomplete combustion of particulates by NO2continues for a predetermined period or more, as a first determination condition, and controls an exhaust gas temperature or a temperature of a catalyst to enhance the conversion efficiency of the catalyst into NO2,thereby continuously regenerating the particulates. The control unit activates forced regeneration means, if a deposited amount of particulates detected by deposited amount detecting means exceeds a predetermined value, as a second determination condition, and controls the exhaust gas temperature or a temperature of a filter to be higher than that of when the regeneration assist means is activated to forcibly regenerate the filter. The control unit activates either the forced regeneration means or the regeneration assist means in accordance with the temperature sensed by temperature sensing means, if the first and second determination conditions are simultaneously established. sabling device for disabling said powered drive wheel is capable of disengaging said power train from said engine to said wheel. 7. The apparatus as claimed in claim 1, wherein said disabling device is further capable of applying wheel brakes at substantially the same time said powered drive wheel is disabled. 8. An apparatus for use with a lawn mower having a frame, a grass cutting blade, and a self-propelling motor driving a powered drive wheel, said apparatus for use within an environment including an obstacle extending upwardly from a generally planar surface, said apparatus comprising: a contact member extending generally rearwardly of said lawn mower, said contact member being movably attached relative to said frame of said lawn mower from a first, set, position to a second, tripped, position; a disabling device for disabling said cutting blade from a cutting, enabled, mode to a non-cutting, disabled, mode, said disabling device configured to be moved between a set position to a tripped position, and also configured to store more energy when in said set position than when in said tripped position, the difference in energy between that stored by said disabling device when in said set position compared to when in said tripped position being an energy difference; and a disabling link mechanically connected between said contact member and said disabling device, said disabling link configured to cause said disabling device to disable said cutting blade upon movement of said contact member from said set to said tripped position but said disabling link nor configured to cause said disabling device to enable said cutting blade from the non-cutting, disabled, mode to the cutting, enabled, mode upon movement of said contact member from said tripped position to said set position, such that if said lawn mower is moved into reverse and said obstacle is contacted by said contact member causing said contact member to move from said first to said second position, said cutting blade is disabled. 9. An apparatus for use with a lawn mower having a frame, a grass cutting blade, and a self-propelling motor driving a powered drive wheel, said apparatus for use within an environment including an obstacle extending upwardly from a generally planar surface, said apparatus comprising: a contact member extending generally rearwardly of said lawn mower, said contact member being movably attached relative to said frame of said lawn mower from a first, set, position to a second, tripped, position; a disabling device for disabling said powered drive wheel from a driving, enabled mode to a non-driving, disabled, mode, said disabling device configured to be moved between a set position to a tripped position, and also configured to store more energy when in said set position than when in said tripped position, the difference in energy between that stored by said disabling device when in said set position compared to when in said tripped position being an energy difference; and a mechanical link between said contact member and said disabling device, said link configured to cause said disabling device to release at least a portion of said energy difference so as to disable said powered drive wheel upon movement of said contact member from said set position to said tripped position, such that if said lawn mower is moved into reverse and said obstacle is contacted by said contact member causing said contact member to move from said set to said tripped position, said powered drive wheel is disabled by the release of said portion of said energy difference. 10. The apparatus as claimed in claim 9, wherein said disabling member is spring loaded by a spring which is configured to store said energy. 11. The apparatus as claimed in claim 9, wherein said disabling member is a slide member slidably mounted relative to said frame of said lawn mower. 12. The apparatus as claimed in claim 9, wherein said link between said contact member and said disablin
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