PURPOSE: To make it possible to block surely a hot water take out pipe when expected freezing is canceled and water is supplied by installing a float valve which shuts down the hot water take out pipe by moving vertically with a rise in a water level when water from a water source is supplied to the hot water take out pipe at the outlet of the hot water take out pipe of a supply and discharge chan...

PURPOSE: To provide an electron beam having a narrow energy width further with high current density. CONSTITUTION: In a diffusion supplementary electron beam source constituted by connecting an electron emitter 2 sharply pointing a point end part to consist of W monocrystal and a heating unit 1 for heating this electron emitter 2, a nitride of Zr, Y, Nb, Sc, V or La or an oxide of Y, Sc, V or La i...

PURPOSE: To provide a method for manufacturing an electrode plate for lead- acid battery and a device therefor in which a paste can be uniformly filled from both sides of a grid body, and the paste is never peeled from the grid body. CONSTITUTION: In a method for manufacturing an electrode plate for lead-acid battery which comprises applying an active material paste 4 to a grid body 2, a pair of p...

PURPOSE: To provide a enclosed lead-acid battery in which stratification of the electrolyte can be prevented without greatly reducing the capacity and enclosed reaction efficiency of the battery. CONSTITUTION: A sulfate of a composition formula MXSO4 (M is a metal element and X is a plus integer) which is slightly soluble to the electrolyte is dispersed and supported in a retainer. Then lead sulfa...

PURPOSE: To prevent the packing density of silica powder from decreasing by inserting a spacer, which is either perforated or made of a porous material to prevent the passage and infusion of the silica powder, between the inside surface of a plate assembly and the inside surface of a battery jar, and forming liquid injection passages between the inside surface of the spacer and the inside surface ...

PURPOSE: To provide a enclosed lead-acid battery which has advantages of batteries packed with granular silica and also has good initial characteristics. CONSTITUTION: A enclosed lead-acid battery packed with granular silica particles serving as electrolyte holding material is manufactured, then an electrolyte is injected into the enclosed lead-acid battery, initial charging is effected, and then ...

PURPOSE: To increase the run range of an electric vehicle by operating a generator under the run condition where the generating efficiency becomes excellent during the regenerative braking. CONSTITUTION: The output from an engine 10 and an electric motor 12 is transmitted to a drive shaft 26 through a continuously variable transmission(CVT) 16. In applying the brake, the gear ratio of the CVT 16 i...

PURPOSE: To provide a hybrid apparatus for driving a car capable of miniaturizing and reducing the weight of the electric machine system. CONSTITUTION: In a conventional hybrid apparatus driving a vehicle, an engine side electric rotating machine 200 is of a double rotation electric rotating machine capable of independent rotation of a first rotor 220 and a second rotor 210, the second rotor 210 o...

PURPOSE: To use motor torque sufficiently for running a vehicle and to make the fuel consumption excellent. CONSTITUTION: An internal combustion engine 11, a speed change gear 12, a clutch 14, an electric device 51 linked to the speed change gear 12, an actuator for engaging and disengaging the clutch 14, a speed change stage detecting means for detecting the selected speed change stage, an accele...

PURPOSE: To attain proper exposure for a recording medium at all times without causing vignetting at the image pickup time and to enhance the latitude of the design in the image pickup optical system by decreasing sufficiently a distance between the image pickup optical system and the recording medium. CONSTITUTION: An image pickup optical system 12 forms an image to an electronic development reco...

PURPOSE: To obtain a PWM controller for power converter in which low order harmonics and beating phenomenon can be suppressed even when the carrier frequency is several times as high as the frequency of a command value. CONSTITUTION: The PWM controller comprises a PWM modulator 3 receiving a command value from a command value generator 1 and outputting a pulse wave having width corresponding to th...

The boot fixing (1) has a body (2) which is connected through a mounting base (3) onto an alpine ski. The body has a boot-retaining jaw which is movable in a lateral direction in response to the boot against a return spring (15) housed in the body. A compensator (30) lowers the return force exerted by the spring on the jaw in response to a force exerted on a lever pivoted on the base. A support pl...

PCT No. PCT/GB95/00684 Sec. 371 Date Nov. 11, 1996 Sec. 102(e) Date Nov. 11, 1996 PCT Filed Mar. 27, 1995 PCT Pub. No. WO95/27222 PCT Pub. Date Oct. 12, 1995An acoustic sensor for use as part of a drill string in a borehole has an acoustic transducer which vibrates the drill bit in contact with the rock at the end of the borehole to generate acoustic signals in the rock. These acoustic signals pro...

PURPOSE: To durably use a superconducting wire in a high magnetic field even at a temperature of 40K or higher and heighten critical current density by using a raw material prepared by mixing specified materials so as to become a composition of a specified phase in which the composition after synthesis is a superconductor. CONSTITUTION: Bi-2201 phase, Bi-2212 phase, Bi-2223 phase, Pb-1212 phase, a...

PURPOSE: To provide a superconducting coil made of silver-sheathed tape super conductor wire material, of which critical current density of all wire material including the silver sheath part is improved. CONSTITUTION: A superconducting coil made of superconductor tape wire material with Bi-2212 silver sheath, the thickness of which is 60&mu m or more and 1000&mu m or less in the direction vertical...

L'invention concerne un procédé et un dispositif pour produire, dans un puits d'hydrocarbures, un signal indicatif d'un paramètre local d'écoulement d'un fluide multiphasique en mouvement, consistant à placer dans le fluide au moins un capteur local et à produire un signal dont le niveau diffère en fonction de la phase qui baigne ledit capteur, ledit signal étant engendré au niveau d'une pointe...

L'invention a pour objet un différentiel autobloquant, comprenant un organe d'entrée (3), deux organes de sortie (8), deux arbres de sortie (11) associés chacun à l'un des organes de sortie, des moyens de solidarisation à éléments mobiles axialement pour solidariser par leur déplacement axial deux des trois organes d'entrée et de sortie, et au moins une came de blocage (10) agencée pour s'oppos...

PROBLEM TO BE SOLVED: To provide a tag provided with two or more bits readable by a relatively low power density (for instance, it is desirable to be about 0.1mW/cm<2> ) and remotely sensable (for instance, by a device present at the outside of the tag) to be hardly invalidated by interference and to provide a tag system. SOLUTION: The tag structure of high frequency (RF) multiple bits is useful f...