| 20100059938 | HIGH SPEED FLYWHEEL SEAL - A seal for a high speed flywheel mounted on a shaft and comprising an evacuated core, the seal having two housing sections, and a cavity formed between the housing sections, lip seals being 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, and wherein the fluid inserted into the cavity does not vaporize at the pressure of the evacuated flywheel core. | 03-11-2010 |
