Toyota Jidosha Kabushiki Kaisha

Takaaki Takahashi

Osamu Yamashita

Noriyuki Ueno

An amount Y of liquid hydrogen that has passed through a first valve and has been volatilized during a predetermined time after first and second valves are opened is calculated by using a pressure Pin an internal space of a liquid hydrogen tank measured before the two valves are opened, a pressure Pin the internal space measured after the lapse of the predetermined time since the two valves are opened, and an amount X of the gaseous hydrogen that has passed through the second valve during the predetermined time. A fluid level H of the liquid hydrogen in the liquid hydrogen tank after the lapse of the predetermined time since the two valves are opened is calculated by using a expression showing a relationship between the H and an amount Yof the liquid hydrogen that passes through the first valve and drops therefrom, and the Y.

Method for measuring fluid level in liquid hydrogen tank and liquid hydrogen storage system

A molten metal holding containerincludes an extraction outer pipe, an extraction inner pipeand a load receiving partincluding a first protrusionprotruding from an outer circumference of the inner pipein the horizontal direction and a second protrusionprotruding from an inner circumference of the outer pipein the horizontal direction so as to be opposed to the first protrusionin a vertical direction, the second protrusionbeing configured to receive a load of the inner pipethrough the first protrusion, in which a vertical position of the load receiving partcoincides with a vertical position of a central axis of the extraction inner pipe

Molten metal holding container

A vacuum heat insulating containerincludes an outer tubehaving a bottom and an inner tubehaving a bottom and an inner tubehaving a bottom, the outer tubeand the inner tubebeing arranged in such a way that the central axes thereof being a horizontal direction, an opening end of the outer tubeand an opening end of the inner tubebeing bonded to each other, and a depressurized sealed spacebeing formed between the outer tubeand the inner tube, in which the vacuum heat insulating container further includes a load receiving partfor causing the outer tubeto support the inner tube, and the location of the load receiving partin a vertical direction coincides with the location of the central axis of the outer tube

Vacuum heat insulating container

Provided is a method for manufacturing a rare-earth magnet capable of preventing the lubricant from flowing down during hot deformation processing, whereby friction force can be made as uniform as possible at the overall region of the sintered body, and so the rare-earth magnet manufactured can have less distribution of magnetic performance. A method for manufacturing a rare-earth magnet includes: a first step of sintering magnetic powder MF as a material of the rare-earth magnet to prepare a sintered body S; and a second step of placing the sintered body S in a cavity K of a forming die M made up of a die D and a lower punch P and/or an upper punch P sliding in the die D, and performing hot deformation processing of the sintered body S to give magnetic anisotropy to the sintered body to manufacture the rare-earth magnet C. In the second step, a lubrication sheetis disposed between a side face of each of the lower and the upper punches P, P facing the cavity K and the sintered body S, the lubrication sheet including a pair of graphite sheetsand glass-based lubricantsandwiched therebetween, and the hot deformation processing is performed while sandwiching the sintered body S between the upper and the lower lubrication sheets

Growing community of inventors

Toki, Japan

Takaaki Takahashi