Seal ring

US11287045B2 · kind B2 · utility

Assignee

• RAYTHEON TECHNOLOGIES CORPORATION · US

Inventors

• Michael G. McCaffrey · Windsor, US
• John R. Farris · Southfield, US
• Theodore W. Hall · Berlin, US
• John J. Korzendorfer · Glastonbury, US
• Elizabeth F. Vinson · Wethersfield, US
• Jeffrey Michael Jacques · Town of East Hartford, US
• John E. Paul · Portland, US
• Ross Wilson · South Glastonbury, US
• Edwin Otero · Southington, US
• Alan W. Stoner · Tullahoma, US

Key dates

• Filing date: Jan 9, 2019
• Grant date: Mar 29, 2022
• Expiry date: Apr 11, 2040

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16J15/445
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A seal ring system is provided. The seal ring system comprises a segment defining a slot, a pedal along the slot, and an opening offset from the slot. A retention fastener may be disposed in the opening. A seal ring system is also provided comprising a first segment defining a first opening, a second segment defining a second opening, and a retention fastener extending through the first and second openings. The retention fastener configured to allow relative radial movement of the first segment and the second segment. A seal is further provided comprising a seal ring having a central axis, a petal extending radially inward with respect to the central axis of the seal ring, and a sealing disk axially proximate the seal ring. The sealing disk may have a seal shoe configured as a primary seal. The petal may extend toward the seal shoe.