摘要:
The present invention provides an additive agent to be added to oil and comprising weak basic hydrotalcite. At the time of adding a mixture of hydrotalcite of 1 weight % and water by 3 weight % to the oil where a hydrogen ion exponent is within a range of 6 to 7 for stirring, the weak basic hydrotalcite is hydrotalcite where the obtained oil indicates the hydrogen ion exponent within a range of 6 to 7. Such an additive agent can be accommodated in an oil filter (36) for use.
摘要:
A method of producing a GaAs single crystal having high carrier concentration and high crystallinity and to provide a GaAs single crystal wafer using such a GaAs single crystal. In the method of producing a GaAs single crystal, a vertical boat method is performed with a crucible receiving a seed crystal, a Si material, a GaAs material serving as an impurity, solid silicon dioxide, and a boron oxide material, thereby growing a GaAs single crystal.
摘要:
A method of producing a GaAs single crystal having high carrier concentration and high crystallinity and to provide a GaAs single crystal wafer using such a GaAs single crystal. In the method of producing a GaAs single crystal, a vertical boat method is performed with a crucible receiving a seed crystal, a Si material, a GaAs material serving as an impurity, solid silicon dioxide, and a boron oxide material, thereby growing a GaAs single crystal.
摘要:
The present invention provides an additive agent to be added to oil and comprising weak basic hydrotalcite. At the time of adding a mixture of hydrotalcite of 1 weight % and water by 3 weight % to the oil where a hydrogen ion exponent is within a range of 6 to 7 for stirring, the weak basic hydrotalcite is hydrotalcite where the obtained oil indicates the hydrogen ion exponent within a range of 6 to 7. Such an additive agent can be accommodated in an oil filter (36) for use.
摘要:
A material for trapping a target substance, which is capable of selectively trapping a target substance such as a sludge or a sludge precursor contained in a liquid organic compound such as an engine oil or in a gas such as a blow-by gas (combustion gas). A material for trapping a target substance, which traps a target substance contained in a liquid organic compound or a gas, the material including a mesoporous inorganic material having a plurality of pores.
摘要:
The present invention is provided with a configuration which makes it possible to inhibit contact between an oil (L) and a gas in an oil pan (10a) properly. The oil pan (10a) according to the present invention contains a film (S1) which covers an oil surface (F) of the oil (L) to separate the stored oil (L) and the gas above the oil (L). The film (S1) can float by receiving buoyancy in the oil (L). The film (S1) may be formed of a liquid. The film also may be configured by a film member.
摘要:
An oil mist separator (100) for an internal combustion engine that separates an oil component in a gas, which is introduced from a crankcase of the internal combustion engine, from the gas, includes a porous filter (150) that separates, from the gas, the oil component in the gas, the porous filter (150) being provided in a passage, through which the gas passes, and being coated with a counteragent for neutralizing an acid substance.
摘要:
A diesel engine includes a fuel supply passage via which fuel is supplied from a fuel tank to an oil pan through a supply pump, a lubrication-system fuel supply passage via which fuel is supplied from the oil pan to engine parts to be lubricated through a lubricating oil pump, and an injection-system fuel supply passage via which fuel is supplied from the oil pan to an injection system through an injection pump.
摘要:
A piston for an internal combustion engine includes a skirt portion configured so that a value S/(D * L) is in the range of 0.4-0.55, where L is a length of the skirt portion, D is a diameter of a cylinder bore, and S is an area of an image of the skirt portion when the skirt portion is projected onto a plane perpendicular to a direction connecting a pair of boss portions. This condition decreases the friction between the piston and the cylinder bore.
摘要:
Disclosed is a piston for an internal combustion engine, which includes a land portion, and a skirt portion including a non-coated portion which is formed in an arbitrary shape on a sliding portion thereof and a coated portion which is formed on a sliding portion thereof other than the sliding portion on which the non-coated portion is formed. When the piston is descending, an oil which has adhered on a cylinder bore is introduced into the non-coated portion and accordingly an oil film is established in the non-coated portion. Since the advantageous effects of the coated portion and the oil film are combined in the piston, the sliding resistance can be reduced remarkably. Hence, the coated portion can be inhibited from wearing out, and its function of the sliding resistance reduction can be maintained for a long period of time. In addition, since the non-coated portion does not work as a sliding surface, there arises a reduced sliding surface area which also results in the reduction of the sliding resistance. The non-coated portion and the coated portion can be formed with a resin by printing. If such is the case, they can be formed with ease and at a less production cost.