公开(公告)号：US06363897B2

公开(公告)日：2002-04-02

申请号：US09747076

申请日：2000-12-22

Applicant: Martin Scheidt ,  Jens Schafer ,  Matthias Kapp ,  Martin Steigerwald

Inventor： Martin Scheidt ,  Jens Schafer ,  Matthias Kapp ,  Martin Steigerwald

IPC: F01L1344

CPC classification number: F16D3/10 ,  F01L1/3442 ,  Y10T74/2102

Abstract: A hydraulic camshaft-adjusting device of the rotary piston type having a drive gear (2) and an impeller. The drive gear (2) has a cavity formed from a perimeter wall and two side walls (5, 6) inside of which at least one hydraulic working chamber is formed from at least two boundary walls (8). The impeller has a wheel hub (10) with at least one vane that extends into a working chamber, dividing the chamber into two associated hydraulic pressure chambers. The pressure medium feed to and from the pressure chambers is done using a pressure medium tap (16) on the side facing a camshaft as well as using pressure medium channels (17) incorporated into the axial sides (14, 15) of the wheel hub (10) of the impeller, which are connected to the pressure medium tap through a pressure medium distributor (20). The pressure medium tap (16) and the pressure medium distributor (20) are encircled at the head (19) and the outer surface (21) by a respective penetration (22, 23) in the side walls (5, 6) of the drive gear (2). The gaps between the head (19) of the pressure medium distributor (20) at the penetration (22) of the one side wall (5) of the drive gear (2) and between the outer surface (21) of the pressure medium tap (16) and the penetration (23) at the other side wall (6) of the drive gear (2) are sealed off through wear-resistant sealing media against pressure medium leakage

Abstract translation: 具有驱动齿轮（2）和叶轮的旋转活塞式液压凸轮轴调节装置。 驱动齿轮（2）具有由周边壁和两个侧壁（5,6）形成的空腔，其中至少一个液压工作室由至少两个边界壁（8）形成。 叶轮具有轮毂（10），其具有延伸到工作室中的至少一个叶片，将该室分成两个相关联的液压室。 向压力室供给压力介质的压力介质使用在面向凸轮轴的一侧上的压力介质分接头（16）以及使用结合到轮毂的轴向侧面（14,15）中的压力介质通道（17） （10），其通过压力介质分配器（20）连接到压力介质分接头。 压力介质分接头（16）和压力介质分配器（20）通过在侧壁（5,6）中的相应穿透（22,23）围绕头部（19）和外表面（21） 驱动齿轮（2）。 压力介质分配器（20）的头部（19）在驱动齿轮（2）的一个侧壁（5）的穿透（22）和压力介质抽头的外表面（21）之间的间隙 （16）和驱动齿轮（2）的另一侧壁（6）处的穿透（23）通过耐磨密封介质被密封以抵抗压力介质泄漏

公开(公告)号：US06192844B1

公开(公告)日：2001-02-27

申请号：US09472469

申请日：1999-12-27

Applicant: Martin Scheidt ,  Andreas Strauss

Inventor： Martin Scheidt ,  Andreas Strauss

IPC: F01L1344

CPC classification number: F01L1/3442

Abstract: A device for varying the control times of gas-exchange valves of an internal combustion engine, which has between the impeller (8) and the drive wheel (2) an additional angle-limiting device (26) with the aid of which the maximum pivoting angle of the impeller, which is limited per se by the lateral surfaces (15, 16) of the bounding walls (13) in the drive wheel (2), can be reduced with respect to the drive wheel (2) to a smaller pivoting angle.

Abstract translation: 一种用于改变内燃机的气体交换阀的控制时间的装置，其在叶轮（8）和驱动轮（2）之间具有另外的角度限制装置（26），借助于此，最大枢转 由驱动轮（2）中的边界壁（13）的侧表面（15,16）本身限制的叶轮的角度可以相对于驱动轮（2）减小到更小的枢转 角度。

公开(公告)号：US5605121A

公开(公告)日：1997-02-25

申请号：US570132

申请日：1995-12-11

Applicant: Martin Scheidt ,  Andreas Strauss ,  Eduard Golovatai-Schmidt

Inventor： Martin Scheidt ,  Andreas Strauss ,  Eduard Golovatai-Schmidt

IPC: F01L1/34 ,  F01L1/344 ,  F01L1/04

CPC classification number: F01L1/34406

Abstract: A device (1) for adjusting valve timing in an internal combustion engine, disposed within a control gear of at least one camshaft on a drive pinion (3) which is in driving relationship with this camshaft, said device (1) comprising an adjusting piston (2) which is axially displaceable by a hydraulic medium and whose first and second end faces (11,12) delimit a first and a second pressure chambers (13,14) while a peripheral surface (15) of the adjusting piston (2) bears sealingly against a housing (16) which delimits the first and the second pressure chambers (13,14) radially outwards, the adjusting piston (2) comprising two oppositely oriented helical gear sections, (6,7) and first (6) of said two helical gear sections cooperates with a corresponding gear (5) of a driving element (4) connected to the drive pinion (3), while second (7) of said two helical gear sections cooperates with a gear (8) of a driven element (9) connected to the camshaft, a stop element (18,19) or an end portion of the housing being arranged in an axially outer portion of each of the two pressure chamberss (13,14) to define a position of maximum displacement of the camshaft, characterized in that the stop element (18) or the end portion of the housing of the first pressure chamber (13), towards which the adjusting piston (2) is displaced on starting of the engine, and/or the first end face (11) of the adjusting piston (2) facing this pressure chamber (13) comprises a hydraulic and/or pneumatic end position damping means for the adjusting piston (2).

Abstract translation: 一种用于调节内燃机中的气门正时的装置（1），其设置在与该凸轮轴驱动关系的驱动小齿轮（3）上的至少一个凸轮轴的控制齿轮内，所述装置（1）包括调节活塞 （2），其可由液压介质轴向移动，并且其第一和第二端面（11,12）限定第一和第二压力室（13,14），同时调节活塞（2）的外周表面（15） 密封地抵靠限制第一和第二压力室（13,14）径向向外的壳体（16），调节活塞（2）包括两个相对定向的斜齿轮部分（6,7）和第一（6） 所述两个斜齿轮部分与连接到所述驱动小齿轮（3）的驱动元件（4）的对应齿轮（5）配合，而所述两个斜齿轮部分的第二（7）与驱动的齿轮（8）的齿轮（8）配合 连接到凸轮轴的元件（9），止动元件（18,19）或端部 所述壳体布置在所述两个压力室（13,14）中的每一个的轴向外部部分中，以限定所述凸轮轴的最大位移的位置，其特征在于，所述止动元件（18）或所述壳体的端部 第一压力室（13），调节活塞（2）在发动机起动时移动，和/或面向该压力室（13）的调节活塞（2）的第一端面（11）包括一个 用于调节活塞（2）的液压和/或气动端部位置阻尼装置。

公开(公告)号：US5317229A

公开(公告)日：1994-05-31

申请号：US974517

申请日：1992-11-12

Applicant: Georg Koehler ,  Ulrich Schaetzle ,  Arnim Rohwedder ,  Martin Scheidt

Inventor： Georg Koehler ,  Ulrich Schaetzle ,  Arnim Rohwedder ,  Martin Scheidt

IPC: A61B17/22 ,  B06B1/06 ,  H01L41/04 ,  H04R17/00 ,  H01L41/08

CPC classification number: B06B1/0688 ,  B06B1/0611 ,  Y10S310/80

Abstract: A pressure pulse source for generating acoustic pressure pulses in an acoustic propagation medium has a foil arrangement formed by a number of electrically contacted piezoelectric foils stacked directly on top of one another with no interstices between the foils, and employs a drive system for driving the individual foils in succession according to the traveling wave principle.

Abstract translation: 用于在声传播介质中产生声压脉冲的压力脉冲源具有由多个电接触的压电箔形成的箔布置，所述压电箔直接堆叠在彼此的顶部上，在箔之间没有间隙，并且采用用于驱动个体的驱动系统 根据行波原理连续进行。

公开(公告)号：US06453858B2

公开(公告)日：2002-09-24

申请号：US09915871

申请日：2001-07-26

Applicant: Martin Scheidt ,  Andreas Strauss ,  Michael Haag

Inventor： Martin Scheidt ,  Andreas Strauss ,  Michael Haag

IPC: F01L134

CPC classification number: F01L1/3442

Abstract: The invention concerns a device for varying valve timing of gas exchange valves of an internal combustion engine, particularly a hydraulic camshaft adjusting device of a rotary piston type, said device comprising a drive pinion (2) connected in driving relationship to a crankshaft of the internal combustion engine and a winged wheel (3) connected rotationally fast to a camshaft of the internal combustion engine. The drive pinion (2) comprises a hollow space formed by a circumferential wall (4) and two side walls (5, 6), at least one hydraulic working chamber (10) being formed in the hollow space by at least two limiting walls (8, 9). The winged wheel (3) comprises at least one radial wing (12), and with each wing (12) it divides one hydraulic working chamber (10) into two hydraulic pressure chambers (13, 14) which, when pressurized by a hydraulic pressure medium effect a pivoting or a fixing of the winged wheel (3) relative to the drive pinion (2). When the internal combustion engine is switched off, the camshaft is rotated into a preferred basic position for starting the internal combustion engine, and in this position, the winged wheel (3) can be mechanically coupled to the drive pinion (2) by a lock. The novel lock is configured as a cage-guided free-wheel (16) arranged between the winged wheel (3) and the drive pinion (2) and comprises at least one clamping body (17) that blocks the direction of rotation of the winged wheel (3) opposed to the basic position of the camshaft. The cage (18) of the free-wheel (16) is configured at least partly as a pressure application surface (19) for the hydraulic pressure medium for unlocking the free-wheel (16).

公开(公告)号：US5896836A

公开(公告)日：1999-04-27

申请号：US894998

申请日：1997-08-18

Applicant: Andreas Strauss ,  Eduard Golovatal-Schmidt ,  Martin Scheidt

Inventor： Andreas Strauss ,  Eduard Golovatal-Schmidt ,  Martin Scheidt

IPC: F01L1/34 ,  F01L1/344

CPC classification number: F01L1/344 ,  F01L1/34 ,  Y10T74/2102

Abstract: A valve control device for an internal combustion piston engine adjusts positions of rotation of a camshaft relative to a crankshaft. This device comprises a hydraulic cylinder (1) comprising a piston (2) and at least one first feed duct (4). Between the cylinder (1) and a hydraulic pump (8), there is disposed a hydraulic valve arrangement (6) by which a hydraulic connection can be established between the first feed duct (4) and a first outlet duct. To assure a reliable prevention of rattling noises during the starting operation, it is proposed that the first outlet duct (10) open into a fluid reservoir (7) below the level of liquid therein.

Abstract translation: PCT No.PCT / EP95 / 04779 Sec。 371日期：1997年8月18日 102（e）日期1997年8月18日PCT 1995年12月5日PCT PCT。 出版物WO96 / 26352 日期1996年8月29日用于内燃活塞发动机的阀控制装置调节凸轮轴相对于曲轴的旋转位置。 该装置包括包括活塞（2）和至少一个第一进料管道（4）的液压缸（1）。 在气缸（1）和液压泵（8）之间设置有液压阀装置（6），通过该液压阀装置可以在第一进料管道（4）和第一出口管道之间建立液压连接。 为了确保在启动操作期间可靠地防止咔嗒声，建议将第一出口管道（10）打开到其中液体水平以下的流体储存器（7）中。

公开(公告)号：US5829399A

公开(公告)日：1998-11-03

申请号：US763409

申请日：1996-12-11

Applicant: Martin Scheidt ,  Dieter Goppelt ,  Manfred Wilhelm ,  Eduard Golovatai-Schmidt

Inventor： Martin Scheidt ,  Dieter Goppelt ,  Manfred Wilhelm ,  Eduard Golovatai-Schmidt

IPC: F01L1/344

CPC classification number: F01L1/34406

Abstract: Apparatus for adjusting a rotational relation between a camshaft and a timing pulley of an internal combustion engine of a type having a crankshaft for driving the timing pulley and a cylinder head for rotatably supporting the camshaft, includes a housing receiving a double-acting piston for displacement in an axial direction between two axially spaced end positions and defining with the housing two pressure compartments. Secured to the piston is a control bushing which is geared to the timing pulley via a first gearing and operatively connected to the camshaft via a second gearing. A hydraulic regulating unit is fluidly connected to the pressure compartments via fluid-carrying passageways for alternately supplying a pressure fluid to the pressure compartments to effect an axial displacement of the piston and thereby a positional adjustment of the control bushing, with the fluid-carrying passageways including, for movement of the piston into one of the end positions, two axially spaced distribution spaces which are fluidly connected to each other by transition zones arranged in angularly offset disposition.

Abstract translation: 用于调节具有用于驱动正时带轮的曲轴的类型的内燃机的凸轮轴和正时带轮之间的旋转关系的装置和用于可旋转地支撑凸轮轴的气缸盖，包括容纳用于位移的双作用活塞的壳体 在两个轴向间隔开的端部位置之间的轴向方向上，并且与壳体两个压力隔室限定。 固定在活塞上的是控制衬套，其通过第一齿轮传动到同步皮带轮，并通过第二传动装置可操作地连接到凸轮轴。 液压调节单元通过流体承载通道流体连接到压力室，用于将压力流体交替地供应到压力室，以实现活塞的轴向位移，从而使控制衬套的位置调节与流体承载通道 包括用于将活塞移动到一个端部位置中的两个轴向间隔开的分配空间，其通过以角度偏移配置布置的过渡区彼此流体连接。

公开(公告)号：US07874272B2

公开(公告)日：2011-01-25

申请号：US12084807

申请日：2006-10-25

Applicant: Oliver Schnell ,  Peter Sailer ,  Martin Scheidt

Inventor： Oliver Schnell ,  Peter Sailer ,  Martin Scheidt

IPC: F01L1/34

CPC classification number: F01L1/24 ,  F01L1/245 ,  F01L1/344 ,  F01L2013/0089

Abstract: A method of variable valve timing in an internal combustion engine in which the valve opening and closing timing of the actuated gas exchange valves of the internal combustion engine can be varied as a function of engine speed by adjusting means for adjusting at least one camshaft relative to a crankshaft, said internal combustion engine comprising hydraulic valve lash adjusters for adjusting a valve lash of the gas exchange valves, said lash adjusters being configured at least on one of an inlet side and an outlet side as idle stroke elements which, when actuated, at first produce an engine speed-dependent idle stroke and to provide a method of variable valve timing for internal combustion engines comprising a camshaft adjustment and a hydraulic valve adjustment with an idle stroke function that guarantees favorable valve timing in all operational situations of the internal combustion engine and, at the same time, improves the thermodynamic exploitation of such internal combustion engines, at each adjustment of the at least one camshaft, the respective idle stroke of the valve lash adjusters is taken into account.

Abstract translation: 一种内燃机中的可变气门正时的方法，其中内燃机的致动气体交换阀的开阀和关闭正时可通过用于调节至少一个凸轮轴的调节装置相对于发动机转速而变化 所述内燃机包括用于调节气体交换阀的阀间隙的液压阀间隙调节器，所述间隙调节器被构造为入口侧和出口侧中的至少一个作为空转行程元件， 首先产生与发动机转速相关的空转行程，并且提供一种用于内燃机的可变气门正时的方法，其包括凸轮轴调节和具有怠速行程功能的液压阀调节，其保证内燃机的所有操作情况下的有利气门正时 同时改善了这种内燃机的热力学开发 在至少一个凸轮轴的每次调整时，考虑到阀间隙调节器的相应空转行程。

公开(公告)号：US20090255495A1

公开(公告)日：2009-10-15

申请号：US12084807

申请日：2006-10-25

Applicant: Oliver Schnell ,  Peter Sailer ,  Martin Scheidt

Inventor： Oliver Schnell ,  Peter Sailer ,  Martin Scheidt

IPC: F01L1/34 ,  F01L1/14

CPC classification number: F01L1/24 ,  F01L1/245 ,  F01L1/344 ,  F01L2013/0089

Abstract: A method of variable valve timing in an internal combustion engine in which the valve opening and closing timing of the actuated gas exchange valves of the internal combustion engine can be varied as a function of engine speed by adjusting means for adjusting at least one camshaft relative to a crankshaft, said internal combustion engine comprising hydraulic valve lash adjusters for adjusting a valve lash of the gas exchange valves, said lash adjusters being configured at least on one of an inlet side and an outlet side as idle stroke elements which, when actuated, at first produce an engine speed-dependent idle stroke and to provide a method of variable valve timing for internal combustion engines comprising a camshaft adjustment and a hydraulic valve adjustment with an idle stroke function that guarantees favorable valve timing in all operational situations of the internal combustion engine and, at the same time, improves the thermodynamic exploitation of such internal combustion engines, at each adjustment of the at least one camshaft, the respective idle stroke of the valve lash adjusters is taken into account.

Abstract translation: 一种内燃机中的可变气门正时的方法，其中内燃机的致动气体交换阀的开阀和关闭正时可通过用于调节至少一个凸轮轴的调节装置相对于发动机转速而变化 所述内燃机包括用于调节气体交换阀的阀间隙的液压阀间隙调节器，所述间隙调节器被构造为入口侧和出口侧中的至少一个作为空转行程元件， 首先产生与发动机转速相关的空转行程，并且提供一种用于内燃机的可变气门正时的方法，其包括凸轮轴调节和具有怠速行程功能的液压阀调节，其保证内燃机的所有操作情况下的有利气门正时 同时改善了这种内燃机的热力学开发 在至少一个凸轮轴的每次调整时，考虑到阀间隙调节器的相应空转行程。

公开(公告)号：US06505587B1

公开(公告)日：2003-01-14

申请号：US10116333

申请日：2002-04-04

Applicant: Martin Scheidt

Inventor： Martin Scheidt

IPC: F01L1344

CPC classification number: F01L1/022 ,  F01L1/024 ,  F01L1/34 ,  F01L2001/0537 ,  F01L2103/02 ,  F01L2201/00 ,  F01L2820/032 ,  F02B2275/18

Abstract: A system for the rotation of a camshaft relative to a crankshaft of an internal combustion engine, which includes a drive pulley connected to the crankshaft of the engine through a chain, belt, or sprocket drive, and includes an electric motor that transfers torque to the camshaft of the engine. The electric motor is flanged directly to one end of the and is a primary drive unit of the camshaft as well as a servomechanism to adjust and maintain a controlled camshaft angular shift, whereas the drive pulley is fastened to and moves about the other end of the camshaft within a defined range of rotation and is provided as a forced synchronization instrument for the electric motor within the range of rotation, as well as being a secondary drive unit of the camshaft. Further, the electric motor (7) is connected to an RPM controller (10) that synchronizes and modifies the RPM of the electric motor (7) relative to the RPM of the drive pulley (4).