摘要:
A carbonaceous negative electrode material for nonaqueous secondary batteries having (i) not less than 2×10−4 cc/g of pores having a diameter of smaller than 8 Å and (ii) not more than 15×10−4 cc/g of pores having a diameter of 8 to 18 Å. The material exhibits a high capacity and a high efficiency.
摘要翻译:一种用于非水二次电池的碳质负极材料,其具有(i)直径小于8埃的孔数不小于2×10 -4 cc / g和(ii)不大于15×10 -4 cc / g的直径的孔 8至18Å。 该材料具有高容量和高效率。
摘要:
A carbonaceous negative electrode material for nonaqueous secondary batteries having (i) not less than 2.times.10.sup.-4 cc/g of pores having a diameter smaller than 8 .ANG. and (ii) not more than 15.times.10.sup.-4 cc/g of pores having a diameter of 8 to 18 .ANG.. The material exhibits a high capacity and a high efficiency.
摘要翻译:一种非水系二次电池用碳质负极材料,其特征在于,具有:(i)直径小于8安培的不小于2×10 -4 cc / g的孔,以及(ii)不大于15×10 -4 cc / 8至18岁。 该材料具有高容量和高效率。
摘要:
A chain guide includes a plurality of roller shafts provided on one side of a timing chain for torque transmission and spaced from each other in the longitudinal direction of a guide base facing the timing chain. The respective roller shafts rotatably support chain guiding rollers in the form of needle roller bearings. The rollers are cylindrical members having the same diameter over the entire axial direction such that the rollers are movable in the axial direction relative to the timing chain. The rollers are supported so as to be movable in the axial direction. When the rollers and the timing chain move relative to each other in the axial direction and the rollers move relative to the roller shafts in the axial direction, contact portions between the rollers and the roller shafts are displaced in the axial direction, so that radial loads are not locally applied.
摘要:
A chain guide includes a guide base (21) disposed to face one side of a timing chain (5) that transmits torque, the chain guide having an opposed pair of side plates (22) each formed with a plurality of shaft engaging portions (25) arranged along a circular arc. Roller shafts (31) have their ends supported by the respective shaft engaging portions (25). Rollers (41) for guiding the chain are rotatably supported by the respective roller shafts (31). Noncylidrical surface engaging portions are formed on the ends of the roller shafts (31) and on closed ends of the shaft engaging portions (50) to rotationally fix the roller shafts (31), thereby preventing the roller shafts (31) from rotating under drag torque applied from the rollers (41).
摘要:
An object of the invention is to provide a pump tappet capable of bearing a large load from a pump plunger even if a case, which is a constituent member of the pump tappet, has a reduced thickness in its intermediate bottom. The invention thus contributes to reduced weight of the overall pump tappet. The case for the pump tappet is formed from an intermediary workpiece 40, which is made by means of a cold forging process of pressing a central region of a round steel material from both surfaces thereby pushing a portion of the material in the central region radially outward, forcing the material to flow axially in an up-down direction, so that an intermediate bottom 40e has a continuous fiber flow.
摘要:
A lighting device for use with vehicles having a lens longer in the horizontal direction thereof and a transparent sheet attached to the back or front face of the lens wherein said transparent sheet is provided with light shielding portions whose density becomes lower and lower from one side of the sheet to the other side thereof.
摘要:
An improved movable stand has a parallel crank arm assembly which includes a pair of parallel arm members and first and second brackets positioned at opposite ends of said arms. Each of the parallel arm members is pivoted at its ends to their adjacent brackets to thereby define a parallel crank. One of the arm members is shaped into a tubular configuration in order to enclose therein the other arm member, whereby the movable stand can have a single-arm-like appearance of aesthetic appeal.
摘要:
A chain guide is provided which reduces moving resistance of a camshaft-driving, torque-transmitting timing chain. The chain guide includes a guide base provided on one side of the timing chain to face the timing chain and having an opposed pair of side plates. The side plates support respective ends of roller shafts each rotatably supporting a chain-guiding needle roller bearing. Each needle roller bearing includes a retainer guided by needle roller elements.
摘要:
A chain guide and a chain tensioner device using the chain guide. A roller, brought into contact with a chain, comprises a support shaft supported by an opposing guide base provided along the running direction of the chain, and roller bearings each having a steel outer ring on the outer peripheral surface of the support shaft so as to be brought into contact with the chain. The roller is also configured to be assembled by inserting opposite ends of the support shaft into support recesses on facing wall surfaces of the guide base. The roller has a vibration damping material between the support shaft and the support recess of each of the plate members.
摘要:
The present invention is to suppress wear of outer diameter surfaces of chain guiding rollers (41) in a chain guide and extend the life. Respective shaft ends of a plurality of roller shafts (31) are supported by pairs of facing side plate portions (22) of guide bases (21) arranged to face each other in a one-side part of a timing chain (5) for transmitting torque. Each of the rollers (41) formed by a plurality of chain guiding roller bearings is rotatably supported by each of the plurality of roller shafts (31). Rollers whose surface hardness is greater than surface hardness of the timing chain (5) by 4 points or more of Rockwell hardness are used as the rollers (41), so as to prevent earlier wear of the outer diameter surfaces of the rollers (41) due to contact with the timing chain (5).