Patent ID: 9296560
Filing Date: 2016-03-29
CPC Classification: B65G,H01L

Claim Text:
1. A storage unit comprising: a carousel including a plurality of levels and including a plurality of container storage spaces for storing a container on each level, the carousel rotating around a vertical axis; a loading port for loading and unloading the container; a transport unit for transporting the container between the loading port and the container storage spaces; and a pipe configured to be connected to a first valve provided in a bottom surface of the container for feeding clean gas such that feeding is turned on and off for each container storage space, the first valve being configured to open a flow channel for clean gas when pressure outside the container is higher than internal pressure of the container, and the pipe including, at its end, a second valve configured to open a flow channel for clean gas as a result of coming into contact with the first valve, wherein the second valve is provided in each container storage space at a position where the second valve contacts the first valve when the container is stored in the container storage space.