Patent ID: 7849730

Claim:
An apparatus for testing the performance of a sealant for solid oxide fuel cell stacks, the apparatus comprising: an oven comprising a base, a platform provided on the base and a frame connected to the platform; an elevator for raising and lowering the oven; a pressuring and testing chamber provided on the platform, the pressuring and testing chamber comprising a first body and a second body connected to the first body; sealant for solid oxide fuel cell stacks; a carrier provided between the first and second bodies, the carrier comprising a first plate wherein the first plate comprises an aperture and a second plate wherein the sealant is provided around the aperture and between the first and second plates such that the aperture is sealed by the sealant; a pusher comprising an end connected to the frame and another end for pushing the second plate; and a pusher-driving unit connected to the frame for raising and lowering the pusher so as to increase compression on the sealant between the first and the second plates when leakage is detected so as to stop the leakage.