| 摘要 |
<p>The present invention provides a rotary union that couples a rotary part to a stationary part while being capable of supplying a variety of fluids to a desired part. The rotary union includes an outer housing (2) having a bore (22), with a plurality of fluid oultets (24) formed on a sidewall of the outer housing; an intermediate housing (4) having a shaft hole (42), and inserted into the bore (22) of the outer housing (2) to be rotated; a feed shaft (6) having a plurality of fluid channels (62), and inserted into the shaft hole (42) of the intermediate housing (4); and a plurality of sealing members (43 and 46) placed around the inner surface of the outer housing and around the outer surface of the feed shaft to be in contact with the outer and inner surfaces of the intermediate housing (4), thus sealing a fluid.</p> |
