摘要:
A neuroprotecting drug comprises as an essential active ingredient ethyl 2-[4,5-bis(4-methoxyphenyl)thiazol-2-yl]pyrrol-1-yl acetate, which is useful with high safety for the prophylaxis and treatment of brain dysfunction induced by hypoxia due to the disturbance of cerebral circulation such as cerebral hemorrhage or cerebral infarction in human being.
摘要:
A process for preparing valproic acid which comprises:(I) producing a 2,2-dipropyl acetoacetic acid ester from an acetoacetic acid ester,(II) deacetylating the 2,2-dipropyl acetoacetic acid ester with an alcohol to give a valproic acid ester, and(III) hydrolyzing the valproic acid ester. In the process of the present invention, valproic acid can be prepared in a high yield as not less than 85% by mole and by-products such as .alpha.-propyl-.beta.-ethyl acrylic acid and its esters which cannot be easily separated from valproic acid, are not entirely produced.
摘要:
The present device comprises a stator having a plurality of poles on which primary coils and at least one secondary coil is wound, and a rotor opposing the respective poles of the stator with gaps therebetween. A clock pulse generator is provided, and the respective primary coils are separately excited by reference AC signals which are out of phase with each other and are generated in response to a count of a counter counting a clock pulse signal from the clock pulse generator. The output of the secondary coil or coils provides an output signal resulting by phase shifting the reference AC signals in accordance with the rotational position of the rotor. The phase difference between the reference AC signal and the output signal is detected by obtaining a digital count representing the phase difference in synchronization with the counting by the counter to obtain detected digital phase difference data as an absolute rotational position data.
摘要:
This device comprises a first detector having a first rotor and a first stator for detecting an absolute rotational position within one cycle which corresponds to 1/N circumference, said rotor having teeth of N, and a second detector having a second rotor coupled with the first rotor and a second stator for detecting an absolute rotational position within one circumference within one cycle which corresponds to one circumference. The first and second stators are respectively provided with primary coils and secondary coils. The respective primary coils are excited by reference AC signals generated in response to a clock pulse signal from a clock pulse generator. Phase differences between first and second output signals produced from the secondary coils of the respective detectors and the reference AC signals are obtained by counting the clock pulse signal.
摘要:
A structure for supporting an air filter on a carburetor, the air filter having a casing accommodating an air filtration element and a cap adapted to close the upper opening of the casing, the cap being adapted to be centered and fixed to the carburetor by a cooperation of a center bolt projecting upward from the carburetor and a butterfly nut. The supporting structure has a supporting member adapted to be fixed to the carburetor, an annular disc-shaped first resilient member connected at its inner periphery to one end of the supporting member and at its outer periphery to the casing of the air filter, and a second resilient member through which the cap of the air filter is fixed to an opposite end of the supporting member. The vibration of the casing and the cap of the air filter is avoided thanks to the first and the second resilient members which insulate the casing and the cap from the vibration caused by the engine to which the air filter is attached.
摘要:
To provide a control device capable of setting a plurality of combustion parameters changing a combustion state of an internal combustion engine to appropriate values and improving a fuel consumption rate regardless of an operation state. An engine ECU 70 sets a combustion parameter (main injection timing, pilot injection timing, fuel injection pressure, turbocharging pressure, or the like) such that a center-of-gravity position of a heat generation rate becomes a constant target crank angle regardless of a load of an engine 10, In addition, the ECU 70 estimates the center-of-gravity position of a heat generation rate based on an output of an in-cylinder pressure sensor 64 and feedback-controls the combustion parameter such that the estimated center-of-gravity position of a heat generation rate becomes equal to the target crank angle.
摘要:
The invention relates to a control device for an internal combustion engine using the center-of-gravity position of a heat generation rate for combustion control. This control device controls the center-of-gravity position of a heat generation rate to correspond to a reference position in a case where an engine cooling water temperature is equal to or higher than a reference cooling water temperature and controls the center-of-gravity position of a heat generation rate to correspond to a crank angle further on an advance side than the reference position in a case where the engine cooling water temperature is lower than the reference cooling water temperature.
摘要:
In a control method of an internal combustion engine exhaust gas control system which is applied to a hybrid vehicle that is powered by an internal combustion engine and an electric motor, an exhaust throttle valve, provided downstream of an exhaust gas control catalyst, is controlled to reduce its opening amount to a target opening amount when it is determined that warm-up control of the internal combustion engine needs to be executed. Next, a target injection quantity of fuel necessary to increase the temperature of exhaust gas flowing into the internal combustion engine to a target exhaust gas temperature is calculated. Then, assist torque from the electric motor is adjusted so that the sum of torque from the internal combustion engine when the fuel injection quantity has been set to the target injection quantity and the assist torque substantially equals a required torque.
摘要:
Means for solving the problemsThe thermoplastic resin composition (X1) of the present invention comprises (A1), (B1), (C1), and optionally (D1) below: 1 to 90 wt % of an isotactic polypropylene (A1); 9 to 98 wt % of a propylene/ethylene/α-olefin copolymer (B1) containing 45 to 89 mol % of propylene-derived structural units, 10 to 25 mol % of ethylene-derived structural units, and optionally, 0 to 30 mol % of C4-C20 α-olefin-derived structural units (a1); 1 to 80 wt % of a styrene-based elastomer (C1); and 0 to 70 wt % of an ethylene/α-olefin copolymer (D1) whose density is in the range of 0.850 to 0.910 g/cm3, wherein (A1)+(B1)+(C1)+(D1)=100 wt %.
摘要:
There is disclosed a gas charging apparatus including a gas supply source 10; a fuel gas charging line L connected to the gas supply source 10, to charge a fuel gas into gas tanks, respectively; a temperature information acquiring section 48 which acquires temperature information in the gas tanks; a pressure information acquiring section 49 which acquires pressure information in the gas tanks; a relation data acquiring section 47 which acquires correspondence relation data indicating a correspondence relation between a temperature and a pressure in the corresponding gas tank, in a case where a beforehand acquired state of charge of the gas tank becomes a target state of charge; a temperature difference calculating section 52 which calculates, in accordance with the temperature information, a temperature difference between the gas tank having the highest internal temperature and the gas tank having the lowest internal temperature among the plurality of gas tanks; and a control section 55 which performs control so as to stop the charging of the fuel gas, when the temperature of the gas tank having the lowest internal temperature becomes a balance temperature obtained by subtracting the temperature difference from a preset temperature upper limit value, and a pressure obtained from the pressure information becomes a corresponding pressure corresponding to the balance temperature in the correspondence relation data.