20140331817 | HIGH SPEED FLYWHEEL SEAL - A seal for a high speed flywheel mounted on a shaft, the seal having a two housing sections, and a cavity formed between the housing sections, lip seal beings provided on either side of the cavity, the lip seals being in contact with and encircling the shaft, wherein an oil based fluid can be inserted into the cavity via a fill nipple, and during insertion of the fluid, air can be expelled from the cavity via a bleed nipple, whereby the fluid can form a hermetical seal against the shaft. | 11-13-2014 |