General Electric Company

Christopher David Suttles

Xiaoqing Zheng

Azam Mihir Thatte

Roderick Mark Lusted

Steven Paul Scarlata

John Richard Powers

Guoqiang Lu

Daniel Robert Coffey

A shaft sealing system and method are disclosed for a high or intermediate pressure turbine section having a rotating member including a shaft and a stationary member surrounding the rotating member and defining a steam flow path. The shaft sealing system comprises at least one seal disposed about each of a first end and a second end of the shaft; and a connection line for conducting steam from the first turbine section to a downstream portion of the turbine. The downstream portion of the turbine is one of a low pressure section and a condenser, and has a lower pressure than both of the first turbine section and ambient pressure conditions.

Shaft sealing system for steam turbines

A hydrodynamic face seal ring for use in a rotary machine includes a support ring having at least two support ring segments and a radially-extending, first face. The support ring is configured to releasably couple to an inner surface of an outer casing of the rotary machine. The face seal ring also includes a sealing ring substantially concentric with the support ring. The sealing ring includes at least two sealing ring segments and a radially-extending, second face. The sealing ring is releasably coupled to the support ring such that the first face is mated against the second face.

Methods and systems for sealing a rotary machine using a segmented seal ring

Growing community of inventors

Greer, SC, United States of America

Christopher David Suttles