Patent · US Active

Valve structure with elastic anti-leakage member

US10816098B2 · kind B2 · utility

1Cited by
1References
4Claims
0Family size

Inventors

Key dates

Filing dateJan 18, 2019
Grant dateOct 27, 2020
Priority date
Expiry dateJan 18, 2039

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16K5/045
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A valve structure with an elastic anti-leakage member includes a spool, a seat, and a switch. The spool body has at least one inner notch formed on the side of the spool body, and the inner notch has at least one elastic anti-leakage member installed in the inner notch. The spool is contained inside the seat, and the elastic anti-leakage member is located in the inner chamber of the inner notch and has a surface elastically abutting the internal cavity wall of the inner chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.