摘要:
The aircraft tank and gauge system of the present invention provides a fuel tank with a gauge chamber located generally aligned with the tank center of gravity and that has a general vertical orientation when the aircraft is level. The gauge chamber extends from the top of the tank to a height generally equivalent to a high collection point on the tank and/or extends from the bottom of the tank to a height generally equivalent to a low collection point on the tank. As the aircraft pitches and rolls, fuel within a complex-shaped tank, will be measured by a sensor in the gauge chamber. In order to prevent any type of vapor blockage in the gauge chamber, a first vent extends from the bottom of the gauge chamber to the low collection point of the tank and a second vent extends from the top of the gauge chamber to the high collection point of the tank.
摘要:
The aircraft tank and gauge system of the present invention provides a fuel tank with a gauge chamber located generally aligned with the tank center of gravity and that has a general vertical orientation when the aircraft is level. The gauge chamber extends from the top of the tank to a height generally equivalent to a high collection point on the tank and/or extends from the bottom of the tank to a height generally equivalent to a low collection point on the tank. As the aircraft pitches and rolls, fuel within a complex-shaped tank, will be measured by a sensor in the gauge chamber. In order to prevent any type of vapor blockage in the gauge chamber, a first vent extends from the bottom of the gauge chamber to the low collection point of the tank and a second vent extends from the top of the gauge chamber to the high collection point of the tank.
摘要:
A method of manufacturing a semiconductor device having shallow p-n junctions and silicide regions, capable of meeting both requirements of a high annealing temperature and a low annealing temperature. A lamination of two films made of materials having different etching characteristics is formed on the surface of a silicon substrate, covering an insulated gate electrode structure. The upper film is anisotropically etched to form side wall spacers. Impurity ions are implanted into a surface layer of the silicon substrate and sufficiently activated to a first level. The lower film is removed by using as a mask the side wall spacers, and a metal film capable of being silicided is deposited to perform a first silicidation reaction. The insulated gate electrode is exposed and impurity ions are implanted shallowly in the surface layer of the silicon substrate. The impurities are activated to a second level lower than the first level to perform at the same time a second silicidation reaction for silicide formed by the first silicidation reaction.
摘要:
A control arrangement for an internal combustion engine which includes a fuel supply system, an air/fuel ratio control system, an abnormality diagnoser which diagnoses a possible abnormality in the fuel supply system, when the pressure of the pressurized fuel in the fuel supply system detected by a fuel pressure senor exceeds predetermined upper and lower limits determined by a control duty for an electrically controlled pressure regulator, and an abnormal element decider which decides an abnormality either in the fuel pressure sensor or in the electrically controlled pressure regulator based on an amount representing an air/fuel ratio status including the actual air/fuel ratio and the air/fuel ratio feed back control amount extracted from the air/fuel ratio control system for the internal combustion engine, when the abnormality diagnoser diagnoses an abnormality in the fuel supply system.
摘要:
A preparation process of a fluorine substituted aromatic compound comprising reacting an alkali metal or alkali earth metal salt of an aromatic compound having a hydroxy group with an organic fluorinating agent is disclosed. As a representative fluorinating agent, a bis-dialkylamino-difluoromethane compound, for example, 2,2′-difluoro-1,3-dimethylimidazolidine, is exemplified. According to the process, an industrially useful fluorinated aromatic compound, for example, a fluorobenzene, a fluorine substituted benzophenone, a fluorine substituted diarylsulfone can be prepared with ease in economy without specific equipment.
摘要:
A method of manufacturing a semiconductor device with a silicide electrode is provided which can form a good contact even at a scaled-down pattern. The method includes the steps of: forming an insulated gate structure with side wall spacer on a p-type region of a silicon (Si) substrate; implanting arsenic ions in source/drain regions at a dose less than 5×1015 cm−2; forming a laminated layer of a Co film and a TiN film on the surface of the substrate; heating the substrate to let the Co film react with an underlying Si region for silicidation; and removing the TiN film. Another method includes the steps of: forming a field oxide film on the surface of a silicon (Si) substrate for element isolation; implanting ions in the surface region of the Si substrate defined by the field oxide film to form a conductive silicon region; depositing a Co film on the Si surface extending to the field oxide film; heating the Si substrate under such conditions of a time and a temperature that does not allow CoSi2 to be formed, and lets the Co film react with the conductive silicon region for silicidation, thereby forming Co silicide; removing an unreacted Co film; and subjecting the Si substrate to another heat treatment to convert the Co silicide to CoSi2.
摘要:
A preparation process of an acetylene derivative comprising reacting a compound having a skeleton represented by the formula (1): ##STR1## in the molecular formula with a compound represented by the formula (2): ##STR2## wherein R.sup.1, R.sup.2 R.sup.3 and R.sup.4 are individually an alkyl group having 1 to 6 carbon atoms and can be the same or different, R.sup.1 and R.sup.3 can bond each other to form a ring, and R.sup.1 and R.sup.2 or R.sup.3 and R.sup.4 can be bond each other to form one or two heterocyclic rings: or with a compound represented by the formula (3): wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same as in the formula (2), and X.sub.1 is a ##STR3## chlorine, bromine or iodine atom.
摘要:
A method of manufacturing a semiconductor device comprising the steps of: ionizing decaborane; and implanting ionized decaborane into a silicon wafer. Solid decaborane can be vaporized in a reduced pressure atmosphere or by heating. A single decaborane molecule can provide 10 boron atoms while the acceleration energy per each boron atom can be reduced to about 1/10 of the acceleration energy for a decaborane molecule.
摘要:
The present invention securely prevents the erroneous switching of the combustion mode to the stratified charge combustion, and avoids deterioration of the driving performance. In order to do so, apart from a software determination device inside a main CPU for performing the permission determination on the switching to the stratified charge combustion based on an input signal related to the engine drive condition, a hardware detection circuit (gate array) is equipped for performing the permission determination on the switching to the stratified charge combustion mode based on the input signal related to the engine drive condition. The main CPU is equipped with a combustion mode order device for finally ordering the stratified charge combustion by permitting the switching to the stratified charge combustion only when the two permission determinations both permit the switching to the stratified charge combustion. Further, a sub CPU is mounted which is equipped with a fail-safe device for based on the final permission determination from the main CPU and the permission determination from the hardware determination device, performing a fail-safe process when the two determinations are inconsistent.
摘要:
In a fuel vapor processor for use with an engine provided with a fuel tank comprising a filler tube which fits on a fuel nozzle for refueling, the presence of leaks of fuel vapor is diagnosed according to a variation of a test pressure has been introduced into a purge passage. If refueling of the fuel tank is being performed during the leak diagnosis, an escape vent for air in the fuel tank is provided by connecting the canister to the atmosphere so that smooth refueling is performed.