摘要:
A thermoplastic resin composition is prepared by heat-treating a mixture of a thermoplastic resin substantially containing no olefinic unsaturated carbon-carbon bond and an elastomer having an olefinic unsaturated carbon-carbon bond, dynamically in the presence of a crosslinking agent, characterized in that as said elastomer there is used at least one member selected from the group consisting of styrene-butadiene-styrene block copolymer (SBS), styrene-iosprene-styrene block copolymer (SIS), 1,2-polybutadiene rubber and ethylene-propylene-diene random copolymer (EPDM), and that as said crosslinking agent there is used a dihydroaromatic compound or a polymer thereof.
摘要:
A thermoplastic resin composition is prepared by heat-treating a mixture of a thermoplastic resin substantially containing no olefinic unsaturated carbon-carbon bond and an elastomer having an olefinic unsaturated carbon-carbon bond, dynamically in the presence of a crosslinking agent, characterized in that as said elastomer there is used at least one member selected from the group consisting of styrene-butadiene-styrene block copolymer (SBS), styrene-isoprene-styrene block copolymer (SIS), 1,2-polybutadiene rubber and ethylene-propylene-diene random copolymer (EPDM), and that as said crosslinking agent there is used a dihydroaromatic compound or a polymer thereof.
摘要:
Partially crosslinked, thermoplastic resin compositions prepared by dynamically heat-treating a thermoplastic resin, having substantially no carbon-carbon bond unsaturation, in the presence of: a dihydroaromatic compound as a crosslinking agent, said dihydroaromatic compound being selected from the group consisting of a 1,2-dihydroquinoline compound, a polymer thereof and 9,10-dihydrophenanthrene; and a polyfunctional monomer, such as a bismaleimide compound.
摘要:
An audio speaker configured for simple manual or automatic robotic insertion into an enclosure aperture so that it will be electrically connected to an audio signal transmission medium and retained within the enclosure. The speaker includes a latching mechanism and a pair of coplaner electrically conductive contact pads concentrically oriented and disposed on the back of the speaker. The pads are disposed so as to contact a pair of relatively fixed electrical terminals mounted on the enclosure, independent of any rotational orientation of the speaker.
摘要:
An abnormality detecting device for an EGR system comprises an EGR valve disposed in an EGR passage to control a flow rate of exhaust gas recirculated therethrough, a first temperature detecting device disposed in the EGR passage to detect the temperature of the same, a second temperature detecting device disposed in the intake air passage of an internal combustion engine, an operational condition detecting device to output parameters of the engine or the EGR valve as signals indicating operational conditions of the engine, an EGR abnormality determining zone discriminating device adapted to discriminate that the operational conditions are in a predetermined EGR abnormality determining zone in the operable area of the engine or the EGR valve in which recirculation of the exhaust gas is controlled by the EGR valve, and an abnormality determining device to determine abnormality in the EGR system on the basis of a quantitative relation between a value of the EGR abnormality determining temperature which is obtained by the calculation of the operational conditions and an output signal of the second temperature detecting device, and a value of the temperature of the EGR passage detected by the first temperature detecting device.
摘要:
An apparatus for controlling the operation of an engine based on the pressure in an intake manifold. If a change in the pressure in the intake manifold is equal to or less than a predetermined value during a predetermined period within the period from the time when a voltage source is turned on to the time when a starter is turned on, the pressure in the intake manifold is detected and stored. If the engine is not in the start mode, the rate of fuel supply is increased based on an atmospheric pressure detection value. Based on the comparison between the atmospheric pressure value and a predetermined value, a passage for bypassing a throttle valve is opened and closed to control the idling of the engine.
摘要:
An apparatus for controlling an engine speed through intermittent control of a driving time and a halt time for an engine-speed adjusting actuator (12) in accordance with the output signal of a difference detecting circuit (6) corresponding to the difference between the outputs of a desired speed computing circuit (5) and an actual speed computing circuit (4). The feature of the invention resides particularly in determining the actuator halt time in proportion to the desired quantity of control for the actuator (12) or the engine operation parameter without limiting the said time to any fixed length, hence eliminating overshoot of the engine speed in the control and ensuring satisfactory apparatus capabilities with a short halt time and enhanced response characteristic.
摘要:
A hoisting apparatus and a control circuit therefor comprising a reversible electric motor drivingly connected to a hoisting drum for hauling an object up and down. The control circuit includes first and second photosensitive elements each responsive to a light beam for initiating rotation of the electric motor in either direction and means for terminating rotation of the electric motor.
摘要:
A pallet transport system of a machine tool promoting transport of a pallet for workpiece mounting use from a first stand to an adjoining second stand, wherein the first stand has a first mounting part which defines a first mounting surface, the second stand has a second mounting part which defines a second mounting surface, and the pallet has a mounted part attachable to the first and second mounting parts, along a transport direction of the pallet, includes a support mechanism turnably supporting at least one of the first stand, the second stand, and the pallet so that the orientations of a mounted surface defined by the mounted part and the second mounting surface match due to contact force between the mounted part and the second mounting part along with transport of the pallet from the first stand to the second stand along the first mounting surface.
摘要:
A fuel injection device for an automotive internal combustion engine is disclosed, which comprises two distinct acceleration state determining means, i.e., a rapid and a slow acceleration state judgement means, for determining the amount of the asynchronous augmentation of fuel. The rapid acceleration state judgement detects the rapid acceleration state by comparing with a first threshold level the increment of the throttle opening degree over each period of an A/D conversion timing signal; the slow acceleration judgement means, on the other hand, detects the slow acceleration state by comparing with a second threshold level the increment of, for example, the throttle opening degree signal over, for example, two successive periods of the same A/D conversion time signal. When the rapid acceleration state is detected, an asynchronous augmentation of fuel for the rapid acceleration is effected. On the other hand, an asynchronous augmentation of fuel for the slow acceleration is effected only if: (1) the rapid acceleration state is not detected, and (2) the slow acceleration state is detected, over the two successive periods of the timing signal.