Multi-media rotary union

Details Multi-media rotary union Multi-media rotary union

2006-05-16

2010-10-19

Dunwoody, Aaron (Department: 3679)

Pipe joints or couplings

With fluid pressure seal

C285S101000, C285S336000, C285S351000

Reexamination Certificate

active

07815224

ABSTRACT:
A rotating union communicates with a rotor member and is operable with either compressible or incompressible coolant media that enters the union through a media inlet. The union includes a housing having a counterbore and a tubular carrier member axially moveable in the housing. The union includes a primary seal assembly having a rotating seal member mounted to the rotor member and a non-rotating member mounted to the carrier member and a secondary seal member positioned about the carrier member. The range of the balance ratio of the primary seal assembly is disclosed when the primary seal assembly has imposed upon it a closing force, an opening force or no force.

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