公开(公告)号：US08215271B2

公开(公告)日：2012-07-10

申请号：US12718090

申请日：2010-03-05

Applicant: Mario Kuhl ,  Lothar von Schimonsky ,  Thomas Kremer ,  Calin Petru Itoafa ,  Jens Lang ,  Andreas Eichenberg

Inventor： Mario Kuhl ,  Lothar von Schimonsky ,  Thomas Kremer ,  Calin Petru Itoafa ,  Jens Lang ,  Andreas Eichenberg

IPC: F01L9/02

CPC classification number: F01L9/025 ,  F01L2001/34446 ,  Y10T137/86493

Abstract: A hydraulic unit (5) is provided for a cylinder head (2) of an internal combustion engine with a hydraulically variable valve train (1). In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and a low-pressure chamber (16) used as the hydraulic medium reservoir are formed. The low-pressure chamber communicates via a throttle point (17, 17′, 17″, 17′″) with the medium-pressure chamber, and the throttle point is formed by a displaceable valve body (19, 19′, 19″, 19′″) and has through-flow cross sections of different sizes according to a position of the valve body.

Abstract translation: 为具有液压可变气门机构（1）的内燃机的气缸盖（2）提供液压单元（5）。 在液压单元中，形成用作液压介质储存器的高压室（11），中压室（12）和低压室（16）。 低压室通过节流点（17,17'，17“，17”“）与中压室连通，节流点由可移位的阀体（19,19'，19”）形成， 19'“），并且根据阀体的位置具有不同尺寸的贯流横截面。

公开(公告)号：US20100224148A1

公开(公告)日：2010-09-09

申请号：US12718090

申请日：2010-03-05

Applicant: Mario Kuhl ,  Lothar von Schimonsky ,  Thomas Kremer ,  Calin Petru Itoafa ,  Jens Lang ,  Andreas Eichenberg

Inventor： Mario Kuhl ,  Lothar von Schimonsky ,  Thomas Kremer ,  Calin Petru Itoafa ,  Jens Lang ,  Andreas Eichenberg

IPC: F01L9/02

CPC classification number: F01L9/025 ,  F01L2001/34446 ,  Y10T137/86493

Abstract: A hydraulic unit (5) is provided for a cylinder head (2) of an internal combustion engine with a hydraulically variable valve train (1). In the hydraulic unit, a high-pressure chamber (11), a medium-pressure chamber (12), and a low-pressure chamber (16) used as the hydraulic medium reservoir are formed. The low-pressure chamber communicates via a throttle point (17, 17′, 17″, 17′″) with the medium-pressure chamber, and the throttle point is formed by a displaceable valve body (19, 19′, 19″, 19′″) and has through-flow cross sections of different sizes according to a position of the valve body.

Abstract translation: 为具有液压可变气门机构（1）的内燃机的气缸盖（2）提供液压单元（5）。 在液压单元中，形成用作液压介质储存器的高压室（11），中压室（12）和低压室（16）。 低压室通过节流点（17,17'，17“，17”“）与中压室连通，节流点由可移位的阀体（19,19'，19”）形成， 19'“），并且根据阀体的位置具有不同尺寸的贯流横截面。

公开(公告)号：US07478615B2

公开(公告)日：2009-01-20

申请号：US11401123

申请日：2006-04-10

Applicant: Calin Petru Itoafa ,  Mario Kuhl

Inventor： Calin Petru Itoafa ,  Mario Kuhl

IPC: F01L1/14

CPC classification number: F01L1/14 ,  F01L1/146 ,  F01L1/46 ,  F01L13/0005

Abstract: The invention relates to an axial fixation (17) of a spring support part (9) of a switchable tappet (1) for direct transmission of a cam stroke to a tappet push-rod (7) of a valve drive of an internal combustion engine. The tappet (1) has an inner part (3), which receives the force of a spring means (13), in that the spring support part (9) used as a support (12) for the spring means (13) is fixed axially to the inner part (3) in a direction of force of the spring means (13), such that the spring support part (9) and the inner part (3) face each other in a region of the axial fixation (17) and form a common channel (18) by means of formed parts (20, 23) aligned with each other, in which a retaining ring (19) is arranged for positive-fit connection of the spring support part (9) to the inner part (3). The retaining ring (19) is formed from a wire (24), which can be inserted essentially tangentially into the annular channel (18) through an opening (25) arranged in the inner part (3) or in the spring support part (9) and opening into the annular channel (18).

Abstract translation: 本发明涉及用于将凸轮行程直接传递到内燃机的阀驱动器的挺杆推杆（7）的可切换挺杆（1）的弹簧支撑部分（9）的轴向固定件（17） 。 挺杆（1）具有接收弹簧装置（13）的力的内部部分（3），其中用作弹簧装置（13）的支撑件（12）的弹簧支撑部分（9）被固定 在弹簧装置（13）的力方向上轴向地连接到内部部分（3），使得弹簧支撑部分（9）和内部部分（3）在轴向固定（17）的区域中彼此面对， 并且通过彼此对准的成形部件（20,23）形成公共通道（18），其中设置有保持环（19）用于将弹簧支撑部件（9）正向连接到内部部件 （3）。 保持环（19）由线（24）形成，该线可以通过布置在内部部分（3）或弹簧支撑部分（9）中的开口（25）基本切向地插入环形通道（18） ）并且通向环形通道（18）。