Power storage unit that effectively controls pressure and...

Details Power storage unit that effectively controls pressure and... Power storage unit that effectively controls pressure and...

2008-06-25

2011-11-08

Gilliam, Barbara (Department: 1727)

Chemistry: electrical current producing apparatus, product, and

Means externally releasing internal gas pressure from closed...

Elastic, resilient or spring biasing valve means

C429S053000

Reexamination Certificate

active

08053098

ABSTRACT:
A power storage unit has: a plurality of power storage modules each constituted of a power generation element which in a power generation element case containing the power generation element; and a power storage unit case containing the power storage modules and an insulative liquid, wherein at least two of the power storage modules have a first valve that switches from a closed state to an open state in response to the pressure in the power generation element case increasing up to a first threshold and a second valve that switches from a closed state to an open state in response to the pressure at the outside of the power generation element case increasing up to a second threshold.

REFERENCES:
patent: 6042960 (2000-03-01), DaCosta et al.
patent: A-9-17401 (1997-01-01), None
patent: A-10-247513 (1998-09-01), None
patent: A-2001-60466 (2001-03-01), None
patent: A-2001-307691 (2001-11-01), None
patent: A-2003-51298 (2003-02-01), None

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