摘要:
An exciter coil and pulser coil induce voltages in phase reversal to each other by the rotation of an internal combustion engine are provided. A first condenser and second condenser are charged with the negative and positive induced voltage of the exciter coil respectively. A second switching element conductive by the discharged voltage of the second condenser discharged through a first switching element conductive when the induced voltage of the pulser coil reaches a set level is connected in series with a circuit connecting the ignition coil and first condenser. A circuit controlling the switching time of the first switching element is operated so as to retard the operation of the second switching element in the low speed operation range of the engine and to advance the same in the high speed operation range. This circuit includes a further switching element operating in response to the voltage inducing state of the pulser coil.
摘要:
The semihard magnetic alloy of the present invention consists essentially of, by weight, 17 % to 45 % chromium, 3 % to 14 % cobalt, 0.2 % to 10 % titanium and balance substantially iron and has a residual magnetic flux density of 7,000 Gauss or more and a coercive force of 100 to 600 Oersted. Said alloy is produced by solution treating an alloy having the above-indicated composition at a temperature of 650.degree. C to 1,200.degree. C, and then either keeping the solution-treated alloy at a temperature of not higher than 650.degree. C for a given period of time and repeatedly aging said alloy in multi-stage at gradually lowered temperatures, or cooling the solution-treated alloy continuously from a temperature of not higher than 700.degree. C down to at least 550.degree. C at a rate of not higher than 50.degree. C per hour.
摘要:
The semihard magnetic alloy of the present invention consists essentially of, by weight, 17 to 45 % chromium, 3 to 14 % cobalt, 0.2 to 5 % silicon and balance substantially iron, preferably 23 to 35 % chromium, 6 to 12 % cobalt, 0.3 to 3 % silicon and balance substantially iron and has a residual magnetic flux density of 7,000 Gauss or more and a coersive force of 100 to 600 Oersted. Said alloy is produced by solution treating an alloy having the above indicated composition at a temperature of 650.degree.C. to 1,300.degree.C., preferably 850.degree.C. to 1,085.degree.C., and then either maintaining the solution-treated alloy at a temperature of not higher than 650.degree.C. for a given period of time and repeatedly aging said alloy in multi-stage at gradually lowered temperatures, or cooling the solution-treated alloy continuously from a temperature of not higher than 700.degree.C. down to at least 550.degree.C. at a rate of not higher than 50.degree.C. per hour.
摘要:
A no-contact ignition control device includes a stop switch which maintains a second switching element at the OFF state so that an induced voltage of a trigger coil triggers a first switching element and shortcircuit a generation coil. A surge absorption element is connected in parallel to the stop switch. This configuration prevents intrusion of a surge current into the ignition control circuit caused by static electricity accumulated on the surface of casing covering electronic parts of the ignition control circuit and surely avoid dielectric breakdown of the electronic parts or malfunction of the circuit by the surge current.
摘要:
Problems: For enhanced safety of a work apparatus with an internal combustion engine, a cutting element is prevented from an accidental run due to an accidental increase of the engine revolution while a throttle control trigger is in a released state.Solution: In an engine start period, a throttle valve (10) is in a first idling position. The engine 2 at its initial run phase does not increase in revolution because of instability of its running condition. When the running condition begins to stabilize, the revolution rapidly increases. When the engine revolution (Ne) reaches 4,000 rpm or higher, a non-firing control mode is set up. In the non-firing control mode, when the engine revolution reaches or exceeds 4,500 rpm, a non-firing processing is executed (S4). A centrifugal clutch (6) is designed to engage at 5,000 rpm.
摘要:
If a cancer cell sampled from a cancer patient by biopsy or the like can be examined with respect to its expressed molecules to evaluate sensitivity of the cancer cell to the present compound, the present compound can be selectively administered only to the cancer patient who is expected to benefit from antitumor activity of the present compound, thereby to enhance the therapeutic effect and reduce unnecessary adverse effects. Specifically, the characteristics of a cancer cell with respect to “low level expression of pRB”, “positive expression of p16” and “high level expression of cyclin E” are demonstrated to be useful as markers for sensitivity of the cancer cell to the present compound. Therefore, these characteristics of a cancer cell can be examined to evaluate previously sensitivity of the cancer cell to the present compound.
摘要:
The present invention provides a novel bioactive substance having an antitumor activity and a process for producing it, and a medical use thereof. Namely, it provides a 12-membered ring macrolide compound represented by the following formula obtained from the incubation solution of Streptomyces sp. Mer. 11107 or a variant thereof, a pharmacologically acceptable salt thereof or a hydrate of them, and a process for producing it.
摘要:
By inserting a male screw for fixing a ratchet claw into a nut placed on an insert core and the like to prevent rotation, it is possible to eliminate additional screw processing on the insert core, to increase magnetic resistance between a magnet and the insert core provided with the former, to concentrate irradiation of magnetic flux from the second magnet pole toward outside and to fix the magnet and the second magnet pole onto the insert core with screws. Further, by tapering an axial hole of the rotor, it is possible to easily and accurately attach the insert core or the rotor to a crankshaft. Furthermore, by inserting a removal parts of a removal tool into a perforation hole of the rotor, it is possible to realize quick and simple removal of the rotor from the crankshaft.
摘要:
The present invention relates to integrated circuit devices for use in such civilian equipments as an electronic equipment, electrical equipment, communication equipment and measuring and controlling equipment, and its object is to provide an integrated circuit device which has an excellent heat radiating characteristic. Then, in order to achieve this object, it includes, on a metal board 1, a power supply 4 and a plurality of pin terminals 5 and includes, on a multi-layer circuit wiring board 7, mounted component parts comprising a cache controller 10, a cache memory section 11, a data buffer LSI section 14, a CPU chip 8 and a connector 12; and, by mounting a reverse surface of the multi-layer circuit wiring board 7 having the mounted component parts provided thereon on the metal board 1 having the power supply 4 provided thereon through the pin terminal group 5, it is possible to provide an integrated circuit device in which the degree of integration is enhanced and the heat radiating characteristic of heat generating component parts is excellent.
摘要:
A method of producing an anisotropic magnet alloy containing iron, chromium and cobalt as the major constituents. The method has a step of aging treatment of the alloy in a magnetic field for permanentally magnetizing the alloy. The aging treatment in the magnetic field is conducted by at first treating the alloy at a temperature below the two-phase separation temperature of the alloy, under application of the magnetic field, thereby to form an anisotropic two-phase separated microstructure, and cooling the alloy continuously at a rate which is not so great, while maintaining the application of the magnetic field, thereby to make the two separated phases approach the equilibrium structures at lower temperature. By so doing, the undesirable disorder of anisotropy is avoided because the magnetic field is maintained to order the two-phase separated microstructure even if a new two-phase separated microstructure is formed during the cooling.