Abstract:
본 발명은 하우징, 로터 및 스풀 밸브(spool valve)를 구비하는 엔진용 VCT 페이저(phaser)를 제공한다. 보어를 갖는 상기 로터는 개방된 외부 단부, 내면, 및 배출구 포트(vent port)를 갖는 내부 단부를 포함하며, 상기 보어를 따라서 배열된 어드밴스(advance) 포트, 공통 포트, 리타드(retard) 포트, 및 로크(lock) 포트를 포함한다. 상기 스풀 밸브는 제 1 랜드(land), 제 1 홈(groove), 제 2 랜드, 제 2 홈, 및 제 3 랜드를 구비하고, 제 1 챔버를 형성하는 상기 보어의 내면과 상기 제 1 홈 사이의 구역과, 제 2 챔버를 형성하는 상기 보어와 상기 제 2 홈 사이의 구역, 및 제 3 챔버를 형성하는 상기 보어와 스풀의 내부 단부 사이의 구역을 갖는 스풀을 포함한다. 유체 통로를 위한 상기 제 1 홈과 제 2 홈 사이의 통로는 상기 제 1 챔버와 상기 제 2 챔버 및 로크 핀 사이의 유체 소통을 제공한다. VCT 페이저, 보어, 스풀, 하우징, 로터
Abstract:
본 발명은 하우징(housing)과 스풀 밸브(spool valve)에 의해 형성된 챔버(chamber) 안에서 다수의 베인(vane)을 포함한 적어도 하나의 캠샤프트(camshaft)를 보유한 내연 기관 엔진에서의 가변 캠샤프트 타이밍 페이저(phaser)를 제공한다. 상기 베인은 어드밴스(advance) 및 리타드(retard) 챔버를 형성한다. 상기 베인 중의 적어도 하나는 캠 토크로 작동되고(CTA), 다른 하나는 오일 압력으로 작동된다(OPA). 상기 스풀 밸브는 CTA 베인에 의해 형성된 어드밴스 및 리타드 챔버와, OPA 베인에 의해 형성된 어드밴스 챔버에 연결된다. 상기 페이저가 어드밴스 위치에 있을 때, 유체는 OPA 베인에 의해 형성된 리타드 챔버에서 CTA 베인에 의해 형성된 리타드 챔버까지 루트를 정하게된다. 상기 페이저가 리타드 위치에 있을 때, 유체는 CTA 베인에 의해 형성된 리타드 챔버에서 CTA 베인에 의해 형성된 어드밴스 챔버까지 루트를 정하게된다.
Abstract:
PURPOSE: An engine value rotation speed measuring apparatus is provided to measure a rotation speed of an engine valve without limitation of a driving condition and at a real time. CONSTITUTION: A hot-wire current system(11) is installed at one side of a valve(3) closed and opened at a cylinder header and measures a speed of a tangent direction of speed components of the circumference of the valve. A lead wire(13) guides the hot-wire current system into a valve stem so as to be induced up to a top of the valve stem. A slip ring makes the lead wire projected. A signal processing part is connected to the slip ring and calculates a rotation speed of the valve with a speed of the tangent direction.
Abstract:
Systems, devices, and methods are disclosed for supporting one or more camshafts by the engine block in overhead arrangement relative to the cylinder heads and valve train.
Abstract:
The object of this invention is to simplify the timing system of all types of internal combustion engine. The system eliminates existing conventional timing trains. The hydraulic, mechanical or electrical/electronic direct timing systems that form the subject of the invention offer minimal resistance and minimal transmission. The piston strokes are given directly by the crankshaft by means of a system fixed thereto which via a mechanical or hydraulic or electrical or electronic system transmits the strokes to the cylinder valves. The system can be connected to all types of indirect transmission and has adjusting systems that allow it to be adapted to suit all types of internal combustion engine.
Abstract:
Die Erfindung bezieht sich auf ein Verfahren zur Herstellung eines Nockenwellenmoduls (1), das über eine Nockenwelle (2) und einen Lagerrahmen (3) mit Lagervorrichtungen (4) verfügt, wobei die Nockenwelle (2) eine Welle (5) und Nocken (6) mit Aussparungen (7) aufweist, und wobei die Lagervorrichtungen (4) Aussparungen aufweisen. Die Erfindung sieht vor, dass die Welle (5) derartig erzeugt und/oder bearbeitet wird, dass die Welle (5) zwei unterschiedliche Außendurchmesser aufweist, dass ein Teil der Nocken (6) und/oder der Lagervorrichtungen (4) derartig erzeugt und/oder bearbeitet wird, dass die Aussparungen der Nocken (6) und/oder die Aussparungen der Lagervorrichtungen (4) unterschiedliche Durchmesser aufweisen, dass der Lagerrahmen (3) während der Herstellung des Nockenwellenmoduls (1) entlang einer Bewegungsachse beweglich (9) und entlang einer Eihfuhrrichtung (10) der Welle starr ist, und dass die Welle (5) in Einfuhrrichtung (10) in den Lagerrahmen (3) eingeführt wird, so dass sich zumindest zwischen der Welle (5) und zumindest einem Teil der Nocken (6) jeweils ein Pressverband ergibt.
Abstract:
A linear drive device, comprising: a motor (12), a first gearwheel (11) connected to the motor, a second gearwheel (13) having a spiral groove (14) and being meshed with the first gearwheel, and a support member (15) located in the spiral groove and engaging in linear reciprocal motion as the second spiral gearwheel rotates. Based on the above linear drive device, the present device also provides an engine comprising the linear drive device. Using the technical solution of the present device can simplify existing linear drive devices and engines, reducing the cost thereof.
Abstract:
An idler shaft assembly is disclosed suitable for internal combustion engines, such as the heavy duty engines. The assembly may transmit power between a crank shaft and a cam shaft. The assembly includes a hollow shaft (26) which can be interference fit within a small idler gear (20), with a large idler (18) being mounted on a shoulder of the small idler gear. Idler hubs (32, 34) on either side of the hollow shaft are centered with respect to the idler shaft and are held firmly in place by fasteners (36) that extend through one of the hubs and the hollow shaft, and are threaded into the other hub. Lubrication may be provided by an internal reservoir formed in the hollow shaft, and oil passages (50) in fluid communication with this reservoir that extend to journal bearings mounted between the idler hubs and the support structure for the overall assembly.
Abstract:
A system and method for driving multiple camshafts in an internal combustion engine is disclosed, the multiple camshafts being driven with a gear based camshaft drive system including a plurality of camshaft driven gears and a pinion drive gear. Preferably, an intermediate drive gear is provided for rotating the camshaft driven gears in response to rotation of the pinion drive gear, the intermediate drive gear being meshed with the pinion gear and being bolted to one of the plurality of camshaft driven gears.