公开(公告)号：US20130199478A1

公开(公告)日：2013-08-08

申请号：US13761880

申请日：2013-02-07

Applicant: Denso Corporation ,  Nippon Soken, Inc.

Inventor： Takehiro TANAKA ,  Takashi YAMAGUCHI ,  Makoto OTSUBO ,  Shuhei OE ,  Taketsugu SASAKI ,  Yuusuke YASUKI ,  Kuniaki OKA

IPC: F01L1/34

CPC classification number: F01L1/34 ,  F01L1/3442 ,  F01L2001/34433 ,  F01L2001/34459 ,  F01L2800/01 ,  F02D13/0238 ,  F16K11/07 ,  F16K31/0613

Abstract: A valve timing controller includes a lock mechanism that locks a rotation phase at a main lock phase when an internal combustion engine is started with an ambient temperature more than or equal to a preset temperature. The main lock phase represents a rotation phase set for closing an intake valve at a later timing later than a timing when a piston reaches a bottom dead center of a cylinder in the internal combustion engine. The lock mechanism locks the rotation phase at a sub lock phase representing a rotation phase advanced rather than the main lock phase in the internal combustion engine when the internal combustion engine is started with an ambient temperature lower than the present temperature.

Abstract translation: 气门正时控制器包括锁定机构，当内燃机以大于或等于预设温度的环境温度启动时，将主旋转相位锁定在主锁相位。 主锁定相位表示在比活塞到达内燃机的气缸的下死点的时间晚的稍后时间关闭进气门的旋转相位。 当内燃机以比当前温度低的环境温度启动时，锁定机构将旋转相位锁定在表示当前状态的旋转相位而不是内燃机的主锁相位的副锁相位。

公开(公告)号：US20140136086A1

公开(公告)日：2014-05-15

申请号：US14078069

申请日：2013-11-12

Applicant: DENSO CORPORATION

Inventor： Taketsugu SASAKI ,  Shuhei OE ,  Masanori SUGIURA ,  Takashi SATOH ,  Motoyoshi HATTA

IPC: F02D43/04 ,  F02D29/02

CPC classification number: F02D29/02 ,  F02D13/0215 ,  F02D13/0261 ,  F02D41/0005 ,  F02D41/0055 ,  F02D41/123 ,  F02D2041/001 ,  F02D2041/1431 ,  F02D2250/41 ,  F02M26/13 ,  F02M35/10229 ,  Y02T10/18 ,  Y02T10/42 ,  Y02T10/47

Abstract: A vehicle controller performs a throttle-valve-late-close control in which the throttle valve is held open until a delay time has passed after the fuel cut is started, and an EGR-valve-open-close control in which the EGR valve is repeatedly opened and closed. Then, the throttle valve is closed and the EGR valve is opened. In a period from a latter period of an exhaust stroke to a preceding period of an intake stroke, a valve-overlap control is executed so that a variable valve timing controller is controlled to make both an intake valve and an exhaust valve opened. A pumping loss of an engine is sufficiently reduced and an energy-regenerate efficiency can be effectively improved.

Abstract translation: 车辆控制器执行节气门 - 闭合控制，其中节气门保持打开直到在燃料切断开始之后经过延迟时间，并且EGR阀开关控制（其中EGR阀为 反复开闭。 然后关闭节流阀，打开EGR阀。 在从排气冲程的后期到进气冲程的前一时段的期间，执行阀重叠控制，使得控制可变气门正时控制器以使进气门和排气门打开。 发动机的泵送损失充分降低，能够有效地提高能量再生效率。

公开(公告)号：US20140096731A1

公开(公告)日：2014-04-10

申请号：US14050693

申请日：2013-10-10

Applicant: DENSO CORPORATION

Inventor： Yuusuke YASUKI ,  Shuhei OE ,  Makoto OTSUBO ,  Taketsugu SASAKI ,  Kuniaki OKA ,  Akira OKADA ,  Takehiro TANAKA

IPC: F01L1/344

CPC classification number: F01L1/344 ,  F01L1/3442 ,  F01L2001/34459 ,  F01L2001/34463 ,  F01L2001/34469 ,  F01L2800/02 ,  F01L2800/05 ,  Y02T10/18

Abstract: A main lock member is fitted in a main lock bore at a main lock phase for closing an intake valve at a timing later than a timing when a piston reaches a bottom dead center, whereby a rotation phase is locked. In a subordinate lock mechanism, the rotation phase is locked at a subordinate lock phase advancing further than the main lock phase. In a lock control mechanism, a temperature sensing body is changed to an expanded state, whereby a moving member is latched at a first position in which the main lock member is allowed to be fitted in the main lock bore, whereas at a main lock phase in a cold stop state after a timing when the temperature of the stopped internal combustion engine becomes less than a preset temperature, the temperature sensing body is changed to a contracted state.

Abstract translation: 主锁定构件安装在主锁定孔的主锁定位置处，用于在比活塞到达下止点的时刻晚的时刻关闭进气门，从而旋转相位被锁定。 在从属锁定机构中，旋转相位被锁定在比主锁相位进一步前进的从属锁相位。 在锁定控制机构中，温度检测体变为膨胀状态，由此移动构件在允许主锁定构件被配合在主锁定孔中的第一位置处被锁定，而在主锁定阶段 在停止的内燃机的温度变得小于预设温度的定时之后处于冷停止状态，温度检测体变为收缩状态。