摘要:
A cam shaft assembly comprises a first coupling between a drive collar rotatable with a driving shaft and an annular disc at a first position spaced from the shaft axis, and a second coupling between the disc and said hollow cam at a second position angularly spaced from said first position with respect to the shaft axis. The first and second couplings are so spaced from the shaft axis that they are at varying distances from the axis of the disc during operation. Each of the first and second couplings has a movable connection with the disc to permit the variation in its distance from the axis of the disc. The disc is rotatably supported in a disc housing. A control rod is mounted for rotation and has an eccentric control cam which controls movement of the disc housing. A pivot shaft extends through the disc housing for allowing movement of the disc housing following the eccentric control cam in which said plurality of hollow cams are disposed.
摘要:
An apparatus for use in a variable valve timing and/or valve lift system of an internal combustion engine is disclosed. The apparatus is easy to mount, install and adjust within a space available over a cylinder head of the engine. The apparatus comprises a rocker shaft, a first cam, a second cam, and a rocker arm pivotally mounted on the rocker shaft. The rocker arm includes a first cam follower arranged to engage the first cam and a second cam follower arranged to engage the second cam. The second cam follower is pivotally mounted on the rocker arm. A hydraulically operated locking bolt is movable from an unlocking position to a locking position. In the locking position, the locking bolt is received in bores formed in the rocker arm and in the second cam follower to establish a positive motion state wherein the rocker arm moves with said second cam follower as a unit. A mechanism includes a timing lever and restrains the locking bolt against at least moving out of the unlocking position to the locking position.
摘要:
A valve operating apparatus for an engine is disclosed. The apparatus includes a rocker arm operated by a first cam and a free cam follower operated by a second cam. The rocker arm has an integral barrel having a lost motion mechanism. A prop is slidably received by the free cam follower for movement between a first position in which the prop supports the free cam follower on the lost motion mechanism and a second position in which the prop supports the free cam follower on the barrel. A hydraulically operated piston moves the prop.
摘要:
An oil passage structure for a rocker-arm shaft for an internal combustion engine, comprises an outer cylindrical member for rotatably supporting rocker arms and an inner cylindrical member press-fitted into the outer cylindrical member. The inner cylindrical member employs at least one concavity having a given axial length for defining at least two axial oil passages.
摘要:
A main rocker arm which is pivotally mounted on a rocker shaft has one or more sub-rocker arms pivotally mounted thereon. The main rocker arm is arranged to synchronously open and close two poppet valves. Each of the sub-rocker arms can be selectively locked to the main one by way of hydraulically operated plunger arrangements. The main rocker arm is provided with a roller type cam follower which follows a low speed cam. The sub-rocker arms are provided with followers which engage high or very high speed cams. Lost motion springs which maintain the sub-rocker arms in contact with the cams are mounted on the main rocker arm.
摘要:
The present invention includes a laser element, a laser-element temperature measuring unit that measures a temperature of a laser element, a harmonic generation element that converts the wavelength of a laser light output by the laser element, a harmonic-generation-element temperature measuring unit that measures a temperature of the harmonic generation element, a harmonic-generation-element temperature adjusting unit that adjusts the temperature of the harmonic generation element, a storage unit that stores therein a relationship between the temperature of the laser element and a target temperature of the harmonic generation element at which a power of the laser light output by the harmonic generation element reaches a maximum, and a controlling unit that controls the harmonic-generation-element temperature adjusting unit so that the temperature of the harmonic generation element is adjusted to the target temperature obtained from the temperature of the measured laser element in accordance with the relationship.
摘要:
A plurality of electrode bars are arranged in parallel with each other, and side electrode bars are connected to the corresponding opposite ends of the electrode bars, thereby forming a ladder-like RF discharge electrode. Power supply points are arranged axisymmetrically with respect to a reference line, which is a bisector which bisects one side of the RF discharge electrode, while being spaced a predetermined distance from the reference line, thereby suppressing voltage distribution on the ladder electrode, which has an effect on uniformity of discharge distribution, to a sufficiently low level of nonuniformity. Thus, uniform distribution of film deposition rate can be obtained, thereby enabling uniform deposition even in large-area applications.
摘要:
A valve timing control system includes an engine revolution synchronous element driven in synchronism with engine revolution and a camshaft synchronous element rotating together with a camshaft. A phase adjusting means disposed between the engine revolution synchronous element and the camshaft synchronous element. The phase adjusting means includes movable gear member which is thrustingly movable to determine phase relationship between the engine revolution synchronous element and the camshaft synchronous element, and a hydraulic means for driving the movable gear member to a desired position. The hydraulic means is connected to a fluid pressure source via a hydraulic circuit. A check valve is disposed in the hydraulic circuit for preventing surge flow of the pressurized fluid from the hydraulic means toward the fluid pressure source.
摘要:
A method produces a cycloalkanone oxime by photonitrosation using light emitting diodes as the light source for the next generation that replaces an electric discharge lamp with, for example, mercury or sodium sealed therein. The method produces the cycloalkanone oxime by a photochemical reaction of a cycloalkane with a photo nitrosating agent in a liquid by light irradiation. The method uses a light source satisfying conditions that, in an emission energy distribution with respect to wavelength of the light source, a wavelength at which emission energy has a maximum value is in a range of 550 nm to 700 nm and a wavelength range outputting energy of or over 5% strength of the peak strength is equal to or less than 150 nm. An irradiation distance in the liquid is equal to or greater than 200 mm, and concentration of the photo nitrosating agent in the liquid is 0.1 mol % to 0.5 mol %.
摘要:
An oil filter is provided which comprises a housing main body, a cover attached to the housing main body on the lower side thereof, an inner tubular member axially movably disposed in a recessed portion of the housing main body, a seal member interposed between the inner tubular member and the cover so as to provide a seal therebetween, a biasing unit for urging the inner tubular member in the direction to protrude from the recessed portion, and a filter element disposed in an oil flowing space between the housing main body and the cover, wherein when the cover is in a sate of being attached to the housing main body, the inner tubular member is pushed down into the recessed portion of the cover against a bias of the biasing unit.