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1. 发明公开

EP0657638A2 An injection timing apparatus for an electronic fuel injection system 失效
标题翻译：喷射定时调整装置的电子燃料喷射系统。
公开(公告)号：EP0657638A2
公开(公告)日：1995-06-14
申请号：EP94308640.5
申请日：1994-11-23
申请人： ZEXEL CORPORATION
发明人： Akira Sekiguchi, c/o Zexel Corporation , Yoshinori, Uchida, c/o Zexel Corporation
IPC分类号： F02D41/40 , F02D1/16 , F02M41/00
CPC分类号： F02M41/128 , F02D1/183 , F02D41/401 , F02D41/408 , F02D2041/2027 , Y02T10/44
摘要： The present invention relates to a device that controls the injection start time of a fuel injection pump which, when the timing control valve drive duty ratio shifts toward the most delayed angle side (0%) as the engine rotation slows down and the timing piston position has reached the most delayed angle position before the duty ratio reaches 0%, fixes the duty ratio at the value at the time point at which the timing piston position has reached the most delayed angle position. Or, it stores in memory the value at the time point at which the timing piston position had reached the most delayed angle position and sets the duty ratio at 0%. If the engine rotation rate increases suddenly, it shifts the duty ratio from the duty ratio at which the timing piston has reached the most delayed angle position so that the actual timing piston position immediateiy follows the target timing piston position. It correctly processes the deviation between the timing piston position and the duty ratio when the rotation rate is low, thus reducing the tendency toward trailing delay in the injection timing when the engine rotation rate increases from low speed.

2. 发明公开

EP0657638A3 An injection timing apparatus for an electronic fuel injection system 失效
标题翻译： Kraftstoffeinspritzsystem的Einspritzzeitpunktverstellungsvorrichtungfürein elektronisches。
公开(公告)号：EP0657638A3
公开(公告)日：1996-11-27
申请号：EP94308640.5
申请日：1994-11-23
申请人： ZEXEL CORPORATION
发明人： Akira Sekiguchi, c/o Zexel Corporation , Yoshinori, Uchida, c/o Zexel Corporation
IPC分类号： F02D41/40 , F02D1/16 , F02M41/00
CPC分类号： F02M41/128 , F02D1/183 , F02D41/401 , F02D41/408 , F02D2041/2027 , Y02T10/44
摘要： The present invention relates to a device that controls the injection start time of a fuel injection pump which, when the timing control valve drive duty ratio shifts toward the most delayed angle side (0%) as the engine rotation slows down and the timing piston position has reached the most delayed angle position before the duty ratio reaches 0%, fixes the duty ratio at the value at the time point at which the timing piston position has reached the most delayed angle position. Or, it stores in memory the value at the time point at which the timing piston position had reached the most delayed angle position and sets the duty ratio at 0%. If the engine rotation rate increases suddenly, it shifts the duty ratio from the duty ratio at which the timing piston has reached the most delayed angle position so that the actual timing piston position immediateiy follows the target timing piston position. It correctly processes the deviation between the timing piston position and the duty ratio when the rotation rate is low, thus reducing the tendency toward trailing delay in the injection timing when the engine rotation rate increases from low speed.
摘要翻译：本发明涉及一种控制燃料喷射泵的喷射开始时间的装置，当燃料喷射泵的发动机转速减慢时，正时控制阀驱动占空比向最大延迟角侧移动（0％），而定时活塞位置在占空比达到0％之前达到最大延迟角位置，将占空比固定在正时活塞位置已经达到最大延迟角度位置的时间点处的值。或者，将定时活塞位置达到最大延迟角度位置的时间点处的值存储在存储器中，并将占空比设定为0％。如果发动机转速突然增加，则将占空比从正时活塞达到最大延迟角度位置的占空比转移，使得实际定时活塞位置立即跟随目标定时活塞位置。当转速低时，正确地处理正时活塞位置和占空比之间的偏差，从而降低了当发动机转速从低速增加时喷射正时的拖尾延迟。

3. 发明授权

EP0657638B1 An injection timing apparatus for an electronic fuel injection system 失效
标题翻译：一种用于电子燃料喷射系统喷射正时调节装置
公开(公告)号：EP0657638B1
公开(公告)日：1998-07-15
申请号：EP94308640.5
申请日：1994-11-23
申请人： ZEXEL CORPORATION
发明人： Akira Sekiguchi, c/o Zexel Corporation , Yoshinori, Uchida, c/o Zexel Corporation
IPC分类号： F02D41/40 , F02D1/16 , F02M41/00
CPC分类号： F02M41/128 , F02D1/183 , F02D41/401 , F02D41/408 , F02D2041/2027 , Y02T10/44

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