Patent ID: 7241331

Claim:
A metal hydride canister apparatus having structures capable of discharging hydrogen gas uniformly and exchanging heat effectively, comprising: a shell, having a connector arranged in a central hole located on top of the shell, and a plurality of passing holes arranged around the central hole; a filtering rod, one end thereof connected to the connector, and the other end thereof extending toward the bottom of the shell; and a guiding pipe, having a first end, a second end, and a middle section between the first end and the second end; wherein, the first end and the second end of the pipe pass the corresponding passing holes in respective and are exposed to the outside of the shell, and the middle section of the pipe forming a twin spiral structure wraps around the bottom-extending filtering rod and is arranged inside the shell, wherein the filtering rod is a plurality of stainless steel pipes weld-connecting head to tail with a piece of sintered powder stainless steel in between.