US 11,940,060 B2
Seal ring structure for low torque valve fire-safe
Ching-An Lin, Kaohsiung (TW); Chin-Kang Chen, Kaohsiung (TW); and Chia-Ho Cheng, Kaohsiung (TW)
Assigned to METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE, Kaohsiung (TW)
Filed by METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE, Kaohsiung (TW)
Filed on Aug. 5, 2022, as Appl. No. 17/882,051.
Claims priority of application No. 110213506 (TW), filed on Nov. 16, 2021.
Prior Publication US 2023/0151893 A1, May 18, 2023
Int. Cl. F16K 5/06 (2006.01)
CPC F16K 5/0689 (2013.01) 8 Claims
OG exemplary drawing
 
1. A seal ring structure, comprising:
a seal ring member including a first ring opening on one side and a second ring opening on another side, a periphery of said first ring opening including a plurality of leak grooves, and a length of said plurality of leak grooves being smaller than a ring length of said seal ring member;
a valve side lid including a first connecting side on one side for disposing said seal ring member, and including a second connecting side on another side;
a ball pad ring having one side disposed against said valve side lid and said seal ring member; and
a valve ball disposed on another side of said ball pad ring.