The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 03, 2025

Filed:

Sep. 03, 2021
Applicant:

Cejn Ab, Skövde, SE;

Inventors:

Frank Rottgardt, Skövde, SE;

Jörgen Ekström, Skövde, SE;

Anna-Lena Olsson, Skövde, SE;

Assignee:

CEJN AB, Skövde, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 37/34 (2006.01); F16L 37/23 (2006.01); F16L 37/56 (2006.01);
U.S. Cl.
CPC ...
F16L 37/34 (2013.01); F16L 37/23 (2013.01); F16L 37/565 (2013.01);
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.


Find Patent Forward Citations

Loading…