摘要:
An engine has two balancer shafts supported on two bearing bushings which are made of the same material and mounted to a balancer holder. Lubricating oil passages for supplying oil to the bearing bushings are defined offset upwards from the centers O of the bearing bushings and by a distance .delta.. Each of the bearing bushings has two oil bores having a center angle .theta. other than 180.degree.. The two oil bores in the bearing bushing of one balancer shaft communicate with the lubricating oil passage, and one of the oil bores in the bearing bushing of another balancer shaft communicates with the lubricating oil passage, while the other oil bore of that another balancer shaft is closed to keep out of the lubricating oil passage. Thus, downstream ends of the lubricating oil passages for supplying the oil to the bearing bushings of the plurality of rotary shafts can be closed without use of a special closing member such as a blind plug.
摘要:
An engine having a lower block made of an aluminum-based material and having a bearing cap mounted therein in a cast-in manner abutting against front and rear sidewalls of a cylinder block of the engine and coupled to the cylinder block by a bolt, and a pump body is coupled to a lower surface of the lower block by bolts. The pump body also serves as a balancer shaft supporting member, and a journal portion of a balancer shaft is supported on the balancer shaft supporting member. Thus, the rigidity of supporting of the balancer shaft on the balancer shaft supporting member can be enhanced without an increase in size of the balancer shaft supporting member of the engine.
摘要:
A tensioner for an endless transmitting member is provided to reliably prevent the loosening of an endless chain, while preventing the occurrence of an incorrect meshing of the endless chain with sprockets. A plunger holder is biased in an advancing direction by the action of a first spring supported in a housing, and a plunger, carried in the plunger holder, is biased in an advancing direction by the action of a second spring having a spring constant larger than that of the first spring. Only the movement of the plunger holder in the advancing direction is permitted by a ratchet mechanism mounted between the plunger holder and the housing. During operation of the engine, the advancing movement of the plunger holder is inhibited by the hydraulic pressure transmitted to a hydraulic pressure chamber, and the plunger is advanced and retracted in accordance with a variation in tension of the endless chain. When the engine is stopped, the ratchet mechanism is operated in accordance with the elongation of the endless chain due to wearing to advance the plunger holder one pitch at a time along with the plunger.
摘要:
The interior of a chain case 23 accommodating therein a chain-sprocket mechanism (a sprocket 12 and a silent chain 14)provided for rotating a crankshaft 11 and camshafts 5 in an interlocking fashion and a tensioner shoe 18 for applying a predetermined tension to a slack side of a chain or a guide shoe 19 for preventing the run-out of the chain on a stretched side thereof is partitioned by providing a rib 27, 28 so as to protrude from at least either of an end face of an engine E and an inner surface of a chain cover 22 joined to the end face with distal end edges of the ribs being directed toward sides 18a, 18b of the tensioner shoe or the guide shoe that are perpendicular to the crankshaft. According to this construction, since the rib provided so as to protrude from the cylinder block or the chain cover cooperates with the tensioner shoe or the guide shoe so as to form a separator, an oil passage having a sufficient cross-sectional area can be defined without control from the chain line and necessity of enlargement of the engine.
摘要:
A vehicle brake control system includes a regenerative braking control component, a frictional braking control component, a calculating component and a controlling component. The regenerative braking control component controls a regenerative braking device to provide a regenerative braking torque. The frictional braking control component controls a frictional braking device to provide a frictional braking torque. The calculating component calculates a regenerative braking torque filter processing value based on a fluctuation frequency of the regenerative braking torque. The controlling component, during a first condition, operates a motorized power assist control device based on the regenerative braking torque filter processing value, instead of the regenerative braking torque, to moderate the frictional braking torque, such that the regenerative braking torque and the moderated frictional braking torque provide a target braking torque based on a braking operation.
摘要:
An object is to obtain a dielectric layer constituting material, a capacitor circuit forming piece, etc. in which unnecessary dielectric layer is removed except capacitor circuit parts that improve accuracy of position of an embedded capacitor circuit in a multi-layer printed wiring board. For the purpose of achieving the object, “a method for manufacturing a dielectric layer constituting material characterized in that step a is a step for forming a first electrode circuit by etching a conductor layer on one side of a metal clad dielectric comprising a conductor layer on each side of a dielectric layer; step b is a step for removing the dielectric layer that is exposed between the first electrode circuits to manufacture the dielectric layer constituting material; and the step a is conducted and then the step b is conducted” is adopted. Then as a process for manufacturing a capacitor circuit forming piece, the dielectric layer constituting material obtained above is used and a process for forming a second electrode at a position facing the first electrode is conducted.
摘要:
There is provided a laminated body comprising a first resin layer consisting of a first fibrous base material and a resin and a second resin layer consisting of a second fibrous base material and a resin, wherein the first resin layer and the second resin layer are disposed such that the first resin layer and the second resin layer are at least partly positioned in separate regions separated by the center line in a thickness direction of the laminated body; wherein at least one of the first fibrous base material and the second fibrous base material has a bowing region where a bowing region is a region in which a smaller warp/weft crossing angle is less than 90° in the fibrous base material; and wherein in the bowing region, an angle formed by a warp of the first fibrous base material and a warp of the second fibrous base material and an angle formed by a weft of the first fibrous base material and a weft of the second fibrous base material, whichever is larger, is 2° or less.
摘要:
The object of the present invention is to provide: a method for manufacturing a multilayer printed wiring board which enables the dielectric layers to have excellent thickness uniformity, the capacitor circuits to have high registration accuracy and the unnecessary dielectric layer is removed as large as possible; and a multilayer printed wiring board with an embedded capacitor circuit manufactured by the method. To achieve this object, a method is employed in which a multilayer printed wiring board with an embedded capacitor circuit is manufactured through: a first-conductive-metal-layer laminating step where a dielectric layer and a first conductive metal layer are provided on both sides of a core material having base electrode circuits; an top-electrode forming step where the first conductive metal layer(s) locating as outer layer(s) is(are) processed into top electrodes and the dielectric layer(s) in the area other than those of circuit portions is(are) exposed; a dielectric-layer removing step where the exposed dielectric layer(s), which is(are) in the area other than those of circuit portions, is(are) removed; a second-conductive-metal laminating step where the gaps among the top electrodes are filled in and an insulating layer and a second conductive metal layer are provided on the top electrodes; and an outer layer circuit forming step where the second conductive metal layer(s) is(are) processed into outer layer circuits.
摘要:
A tensioner device 14 for an engine 1 comprises a support member 16, a blade shoe 17 coming into sliding contact with a timing chain 11 having a base end section 17a held by a cylinder block 3 and a tip end section 17b supported by the support member 16, and a leaf spring 18 held by the blade shoe 1 for pressing the blade shoe 17 against the timing chain 11 elastically. The support member 16 is formed integrally with the cylinder block 3. The tip end section 17b comes into sliding contact with a guide surface 16a formed on the support member 16 to be supported.
摘要:
A method of manufacturing a semiconductor device is provided which is capable of improving productivity and reliability. The method of manufacturing a semiconductor device (1) of the invention includes a sequential stacking process, an individual stacked body-obtaining process, and a base material bonding process. In the sequential stacking process, a block stacked body is obtained. The block stacked body is a block stacked body (2B) in which semiconductor blocks (10B, 12B, 14B, and 16B) are stacked in a state of not being solder-bonded. In the semiconductor blocks (10B, 12B, 14B, and 16B), a plurality of semiconductor components are arranged. In the individual stacked body obtaining process, an individual stacked body (2) is obtained in which terminals of the stacked semiconductor components are solder-bonded and which is cut from the block stacked body (2B) in a stacked semiconductor component unit.