摘要:
A fuel injection valve is capable of minimizing the waste of fuel and variations in the air-fuel ratio by weakening a water hammer action occurring as a result of sudden closing of a needle valve and thus suppressing the occurrence of a bouncing phenomenon. A water hammer absorbing member is provided between an armature and an injection hole to absorb and damp a water hammer pressure wave produced by sudden closing of the needle valve. Therefore, it is possible to reduce the pressure wave propagated to the armature, to which the needle valve is integrally secured, and hence possible to reduce the amount of lift of the needle valve due to a bouncing phenomenon. Accordingly, the amount of fuel excessively discharged is reduced. Thus, it becomes possible to minimize the waste of fuel and variations in the air-fuel ratio.
摘要:
Provided are a tire having a small difference in a loss tangent (tan δ) at a tire tread outer surface position and that at a middle position, a tread for a retread tire having an even vulcanization degree in a whole tread rubber area, a tire having the tread for the retread tire, and a method for manufacturing the tire. The tire satisfies the following formula: −0.05≦(tan δa−tan δb)/tan δb≦0.05, where (tan δa) represents a loss tangent of strain at 2% at 25° C. in a portion (a) within 1 mm deep from a tire tread outer surface in a direction perpendicular to a tread surface, and (tan δb) represents a loss tangent of strain at 2% at 25° C. in a portion (b) within 2 mm from a median center between a tread portion outer surface and a bottom surface in the direction perpendicular to the tread surface.
摘要翻译:本发明提供一种在轮胎胎面外表面位置处的损耗角正切(tanδ)差异小的轮胎,以及在中间位置,胎面橡胶区域具有均匀硫化度的翻新轮胎的胎面,轮胎 具有用于翻新轮胎的胎面,以及轮胎的制造方法。 轮胎满足以下公式:-0.05 @(tanδa-tan deltab)/ tan deltab@0.05,其中(tanδa)表示在1℃内的部分(a)中在25℃下2%的应变损耗角正切 (tan deltab)表示在距离中间中心2mm以内的部分(b)中在25℃下2%的应变损耗角正切, 胎面部外表面和与胎面表面垂直的方向的底面。
摘要:
A deformable mirror device compensates the spherical aberration caused by the difference of thickness of the cover layers covering recording layers of an optical disc. Circular projections are concentrically arranged on a flexible member (2) where a mirror surface (3) is formed to produce a strength distribution pattern (2a). Attractive force is generated as electrostatic force between an upper electrode (8) and a lower electrode (9) according to the voltage applied from a drive circuit (10) so as to contract the second space (7) and accordingly expand the first space (5) in order to deform the mirror surface. At this time, the profile of the mirror surface is deformed to show a desired profile that can compensate the spherical aberration by the pattern formed on the flexible member (2) as strength distribution pattern (2a). With this arrangement, only a single drive actuator (10) is needed to deform the mirror surface to simplify the configuration and the control operation. The mirror surface can be deformed stepwise to show predetermined deformed profiles depending on the pattern formed as strength distribution pattern (2a). Then, it is possible to compensate the spherical aberration for each of the three or more than three recording layers of the optical disc.
摘要:
There are provided a base frame 12 positioned below a horizontal axis O; a pair of clamp units 14 positioned at the two ends above the base frame; a pair of support units 16 that horizontally support the long workpiece in two locations, and that are capable of moving vertically; and machining units 18 that are capable of machining the long workpiece. The two clamp units 14 are capable of moving from the outside toward the inside, which support the long workpiece in two locations, and rotate around the horizontal axis O in synchronization with each other.
摘要:
A norbornene-based resin molded article obtained by injecting a reaction solution comprising a norbornene-based monomer, a metathesis catalyst, a fibrous filler having an aspect ratio of 5 to 100, and a particulate filler having an aspect ratio of 1 to 2 in a mold, and bulk polymerizing in the mold. According to the present invention, a norbornene-based resin molded article superior in rigidity and dimensional stability is provided.
摘要:
A method and apparatus for manufacturing puffed snack having a hard surface layer and soft inside, and having a good texture and a difference in color tone between the surface layer and the inside. After spraying a coating liquid or water onto the surface of a dough extruded from an extruder in the form of a rope, the extrudate is dried so that the moisture content of the sprayed extrudate becomes 5 to 12% by weight and then cut. The apparatus used for this manufacturing method comprises a spray device for uniformly spraying the surface of the dough extruded from a nozzle hole of an extruder, a drying device arranged on the downstream side of the driving device, a drawing mechanism comprising belts spanned in a tensioned state so as to clamp the extrudate, a holding cylinder for holding the extrudate and arranged adjacently on the downstream side of the drawing mechanism, and a cutting blade arranged in close proximity to the outlet side opening of the holding cylinder to cut the extrudate.
摘要:
Provided is a method for making a double-walled yoke that allows an inner yoke (4) and outer yoke (3) to be integrally joined to each other both easily and securely. Such a yoke provides an adequate cross sectional area for a magnetic path of the yoke while minimizing the weight of the yoke. A tubular member (14) destined to be form the inner yoke and a cup-shaped member (13) destined to form the outer yoke are both fitted on a punch (7) and a drawing process is executed by using an appropriate drawing die (8). The outer yoke may have a small wall thickness as long as it is capable of retaining its shape during use or supporting a bearing for the motor. The inner yoke is required to be relatively small in size as long it is capable of forming a satisfactory magnetic path for the motor. A satisfactory magnetic path can be obtained if the yoke is provided with an adequate wall thickness so as to provide an adequate cross sectional area for the magnetic path.
摘要:
There is a workpiece clamp device 10 for horizontally holding a thin section long workpiece 1 having a constant section shape or having the same section shape in spaced positions in a longitudinal direction in two positions of the same section shape. The workpiece clamp device 10 is constituted of a driving clamp device 10A and a driven clamp device 10B comprising the same holding device 12. The driving clamp device 10A rotates the workpiece 1 centering on a horizontal axis O extending in a longitudinal direction of the workpiece, and the driven clamp device 10B follows movement of the workpiece and idles centering on the horizontal axis. An arbitrary portion to be machined of the workpiece can be directed in a direction in which the portion is easily machined by the rotation (e.g., upward direction).
摘要:
A bleached pulp having a high brightness and a satisfactory pulp viscosity is produced from a lignocellulosic material with a high efficiency by subjecting an aqueous slurry of a pulp to a bleaching step including at least one stage in which the pulp is bleached with chlorine dioxide under a pressure of, for example, 0.0980 to 0.883 MPa (1.0 to 9.0 kg/cm2), created by a compressed gas, preferably at a pH of 2 to 5, at a temperature of 50 to 120° C. and in a pulp consistency of 5 to 40%.
摘要翻译:具有高亮度和令人满意的纸浆粘度的漂白纸浆由木质纤维素材料通过使纸浆的含水浆料在包含至少一个阶段的漂白步骤中产生,所述漂白步骤包括至少一个阶段,其中纸浆被二氧化氯漂白 压力为0.0980〜0.883MPa(1.0〜9.0kg / cm 2),压缩气体优选为2〜5,温度为50〜120℃,纸浆浓度为 5〜40%。
摘要:
An ultrasonic flaw detector including an ultrasonic probe for emitting an ultrasonic wave on an object to be inspected and receiving a reflected ultrasonic wave from the object, a drive element control unit for controlling a plurality of ultrasonic elements to emit an ultrasonic wave from the ultrasonic probe and to control a reflected ultrasonic wave from the object, and a calculation unit for obtaining, by using a refraction angle of the ultrasonic wave at a time of the ultrasonic wave entering the object, an incident position of the ultrasonic wave on a surface of the object, and a surface shape of a surface of the object at the incident position, the incident angle of the ultrasonic wave entering the incident position, and obtaining a plurality of ultrasonic elements to be driven, based on the incident position and the incident angle.