发明名称 |
Liftoff carbon seal |
摘要 |
A liftoff carbon seal assembly includes a rotating seal plate adjacent to a rotating seal backer plate and a rotating seal plate retainer. The rotating seal plate defines a rotating seal plate face which extends beyond a rotating seal plate retainer face of the rotating seal plate retainer with a static carbon seal is adjacent to the rotating seal plate. |
申请公布号 |
US8777229(B2) |
申请公布日期 |
2014.07.15 |
申请号 |
US201012732336 |
申请日期 |
2010.03.26 |
申请人 |
United Technologies Corporation |
发明人 |
Davis Todd A. |
分类号 |
F16J15/38 |
主分类号 |
F16J15/38 |
代理机构 |
Carlson, Gaskey & Olds, PC |
代理人 |
Carlson, Gaskey & Olds, PC |
主权项 |
1. A liftoff carbon seal assembly comprising:
a rotating seal backer plate rotatable about an axis; a rotating seal plate retainer adjacent to said rotating seal backer plate, said rotating seal plate retainer including a lip extending radially away from said axis; a rotating seal plate having a first seal plate end face and a second seal plate end face, said first seal plate end face facing said rotating seal backer plate, and wherein a first portion of said second seal plate end face extends axially beyond a rotating seal plate retainer face of said rotating seal plate retainer in a direction along said axis, and wherein said lip engages a second portion of said second seal plate end face, said first portion extending axially beyond said second portion; wherein said seal backer plate includes an axially extending portion of a stepped interface that extends into a chamfered corner recess of said rotating seal plate such that said axially extending stepped interface is radially between said rotating seal plate and said seal plate retainer; and a static carbon seal adjacent to said rotating seal plate. |
地址 |
Hartford CT US |