Patent · US Active

Nipple with relief valve

US12320458B2 · kind B2 · utility

0Cited by

15References

16Claims

0Family size

Assignee

CEJN AB · SE

Inventors

Frank Rottgardt · Skövde, SE
Jörgen Ekström · Skövde, SE
Anna-Lena Olsson · Skövde, SE

Key dates

Filing date	Sep 3, 2021
Grant date	Jun 3, 2025
Priority date	—
Expiry date	Dec 28, 2041

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L37/565
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A nipple that includes: a fluid passage; a housing; a valve for the fluid passage; and a relief valve for the valve. The relief valve may include: a first sleeve axially movable for sealing against a first seal of the housing; a second sleeve for sealing against a second seal of the housing; and a third seal for sealing between the first sleeve and the second sleeve. Relative axial movement between the first sleeve and the second sleeve opens or closes, respectively by the direction of the axial movement. The relief valve, the first seal, and the third seal are arranged at a set radial distance from a central axis of the fluid passage.

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