| abstract |
ABSTRACT OF THE DISCLOSURE In a low-temperature liquefied gas constant outflow device having a heat-insulating container having an opening at the top, a cover member closing the opening of the heat-insulating container, a low-temperature liquefied gas outlet which runs through the base of the heat-insulating container, a level sensor which detects the level of low-temperature liquefied gas in the heat-insulating container, and a vaporized-gas exhaust conduit which opens from the cover member, the improve-ment wherein a pressure absorbing container is located within the heat-insulating container, a low-temperature liquefied gas supply conduit and a vaporized-gas exhaust conduit are both inserted into the pressure absorbing container through the cover member, a low-temperature liquefied gas outlet is provided in the pressure absorbing container, and a check valve is provided in the low-temperature liquefied gas supply conduit, which opens or closes in response to a signal from the level sensor. |