>Hydraulic Accumulator...
>
>> This is basically a kinetic storage battery?
>
>Strictly it's a potential energy storage battery - 
>which is why it doesn't degrade with time-stored: 
>height stays the same with no energy 

Provided there is no leakage past the pump or piston ...
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist