Split ring floating air riding seal for a turbine

Patent · Tue Nov 03 00:00:00 EST 2015

OSTI ID:1224825

Mills, Jacob A

A floating air riding seal for a gas turbine engine with a rotor and a stator, an annular piston chamber with an axial moveable annular piston assembly within the annular piston chamber, an annular cavity formed on the annular piston assembly that faces a seal surface on the rotor, and a central passage connecting the annular cavity to the annular piston chamber to supply compressed air to the seal face, where the annular piston assembly is a split piston assembly to maintain a tight seal as coning of the rotor disk occurs.

• Research Organization: Florida Turbine Technologies, Inc., Jupiter, FL (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: SC0008218
• Assignee: Florida Turbine Technologies, Inc
• Patent Number(s): 9,175,608
• Application Number: 13/793,853
• OSTI ID: 1224825
• Resource Relation: Patent File Date: 2013 Mar 11
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
42 ENGINEERING