| 摘要 |
A cassette sealing arrangement, for a vehicle,providing air transfer between a shaft(7)and a hub(9)surrounding the shaft, with an air transfer chamber being divided into a first (19) and a second (21) ring-shaped compartment. The arrangement has a base ring (23), attached to the hub, and an inner sleeve (35), attached to the shaft. The first compartment (19) is defined between the first ring-shaped seal (41), a third ring-shaped seal (42), the base ring and the inner sleeve (35), and the second compartment (21) is defined between the second ring-shaped seal (47), a fourth ring-shaped seal (45), the base ring (23) and the inner sleeve (35). The ring shaped seals are attached to the base ring (23),and their central portions seal against the inner sleeve in such a way that the inner sleeve is allowed to rotate in relation to the first and third seals. |
