摘要:
An exhaust gas cleaning device for controlling the air-to-fuel ratio of the air-fuel mixture supplied to an internal combustion engine (1) provided with a catalytic converter (14) disposed in the exhaust pipe (13). The air-to-fuel ratio is oscillated around the central level of the integral control or proportional plus integral feedback control signal based on the output of an air-to-fuel ratio sensor (12); the amplitude of oscillation and the proportional control amount are, or alternatively, the frequency of the oscillation is, varied in accordance with the operating condition of the engine.
摘要:
An exhaust gas cleaning device for controlling the air-to-fuel ratio of the air-fuel mixture supplied to an internal combustion engine (1) provided with a catalytic converter (14) disposed in the exhaust pipe (13) is disclosed. The air-to-fuel ratio is oscillated around the central level of the integral control or proportional plus integral feedback control signal based on the output of an air-to-fuel ratio sensor (12); the amplitude of oscillation and the proportional control amount are, or alternatively, the frequency of the oscillation is, varied in accordance with the operating condition of the engine.
摘要:
An engine control system for controlling an engine in response to an output from a temperature sensor for detecting a coolant temperature of the engine, comprising temperature sensor output monitoring device for monitoring an output of the temperature sensor during operation of the engine, temperature sensor fail judging device for judging the temperature sensor to be failed when the temperature sensor output monitoring device does not detect for a predetermined length of time a change in output of the temperature sensor corresponding to an increase in coolant temperature while the temperature sensor is outputting a signal corresponding to the coolant temperature during the operation of the engine, and dummy signal outputting device for outputting a dummy signal corresponding to a predetermined temperature in place of an output signal from the temperature sensor when the temperature sensor is judged as failed by the temperature sensor fail judging device, which, in addition to engine control with a normal temperature sensor, can detect a malfunction of the temperature sensor due to a short circuit, an open circuit, or a resistance increase to fix the temperature sensor output, thereby providing positive engine control, and enables fixing of the engine speed to a desired value in the idle rotation speed control, suppression of an unnecessary fuel enrichment in the fuel control, and suppression of an advance in ignition timing in the ignition control.
摘要:
A sensor for detecting a number of revolutions of a rotary shaft is provided which comprises a ring magnet secured to the outer peripheral surface of the rotary shaft, the number of revolutions of which is to be detected, a Hall IC arranged near the outer peripheral surface of the rotary shaft, for detecting the magnetism of the ring magnet. The ring magnet has one circumferential half of the outer peripheral surface thereof magnetized to serve as the north pole and the other circumferential half of the outer peripheral surface thereof magnetized to serve as the south pole.
摘要:
A suction control device for a multiple cylinder internal combustion engine comprising a shell body presenting a suction path communication to each cylinder in a multiple cylinder internal combustion engine, a rotary shaft (21a) penetrating and born by the shell body, a butterfly valve (21) supported by the rotary shaft and provided in each of the suction paths so that it can freely open or close the suction path, and a restricting means for restricting movement of the rotary shaft in the axial direction; wherein the rotary shaft and the butterfly valve are monolithically formed with a resin material, the shell body is made from a resin material, and the restricting means comprises an expanding piece (21b) monolithically formed on the rotary shaft and having a width in the radial direction thereof, a contact wall (24) formed on the shell body and slidably contacting and supporting the expanding piece, and a resilient energizing member (33) for energizing the expanding piece to contact it to the contact wall. With this feature, the weight reduction of the device can be achieved and also the rotary shaft can bee accurately and precisely supported in the thrust direction and can be prevented from becoming loose.
摘要:
The present invention provides a novel heterocyclic compound. A heterocyclic compound represented by general formula (1) wherein, R1 and R2, each independently represent hydrogen; a phenyl lower alkyl group that may have a substituent(s) selected from the group consisting of a lower alkyl group and the like on a benzene ring and/or a lower alkyl group; or a cyclo C3-C8 alkyl lower alkyl group; or the like; R3 represents a lower alkynyl group or the like; R4 represents a phenyl group that may have a substituent(s) selected from the group consisting of a 1,3,4-oxadiazolyl group that may have e.g., halogen or a heterocyclic group selected from pyridyl group and the like; the heterocyclic group may have at least one substituent(s) selected from a lower alkoxy group and the like or a salt thereof.
摘要:
Methods of treating disorders using compounds that modulate striatal-enriched tyrosine phosphatase (STEP) are described herein. Exemplary disorders include schizophrenia and cognitive deficit.
摘要:
Compounds, pharmaceutical compositions containing the compounds, and methods of using the compounds to treat a disorder, e.g., schizophrenia and cognitive deficit, in a subject are described herein. The compounds disclosed herein include quinoline and quinazoline-containing compounds that modulate striatal-enriched tyrosine phosphatase (STEP) activity.
摘要:
A magnetic balance type current sensor includes a magnetoresistance effect element whose resistance value changes owing to the application of an induction magnetic field from a current to be measured; a feedback coil disposed in the vicinity of the magnetoresistance effect element and generating a cancelling magnetic field cancelling out the induction magnetic field; a magnetic field detection bridge circuit including two outputs causing a voltage difference corresponding to the induction magnetic field to occur; and a magnetic shield attenuating the induction magnetic field and enhancing the cancelling magnetic field, wherein, on the basis of the current flowing through the feedback coil at the time of an equilibrium state in which the induction magnetic field and the cancelling magnetic field are cancelled out, the current to be measured is measured, wherein the feedback coil, the magnetic shield, and the magnetic field detection bridge circuit are formed on a same substrate.
摘要:
A vehicle control apparatus includes a first section that recognizes a lane boundary line of a lane in which a vehicle is traveling. A second section recognizes a present position of a predetermined reference point of the vehicle. A third section calculates a predicted position of the reference point, wherein the predicted position is a predetermined interval ahead of the present position. A fourth calculates an imaginary lane boundary line, wherein the imaginary lane boundary line is tangent to the lane boundary line at a point close to the predicted position. A fifth section performs a control of preventing the vehicle from deviating from the lane by controlling the vehicle depending on positional relationship between the vehicle and the lane boundary line. A sixth section selectively permits and suppresses the control depending on positional relationship among the imaginary lane boundary line, the present position, and the predicted position.