Needle tip and seat for a choke valve

US10830359B2 · kind B2 · utility

Assignee

• CAMERON INTERNATIONAL CORPORATION · US

Inventors

• Scott Allan Miller, III · Lafayette, US
• Ghulam A. Barkatally · Spring, US
• Jerry A. Martino · Houston, US
• Declan Elliott · Newtownforbes, IE
• Edmund Peter McHugh · Longford, IE
• Jonathan Marshall · Provo, US
• David C. Hoyle · Salt Lake City, US
• Neil Cannon · Provo, US

Key dates

• Filing date: Jul 31, 2017
• Grant date: Nov 10, 2020
• Expiry date: Nov 9, 2037

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16K37/005
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Embodiments of the present disclosure relate to a choke valve that includes a choke body, a choke trim disposed in the choke body, where the choke trim is configured to adjust a cross-sectional area of a flow path in the choke body to adjust a fluid flow through the choke valve, a needle of the choke trim disposed in the flow path of the fluid flow, where the needle includes a first portion having a superhard material, a seat of the choke trim, where the needle is configured to move along an axis extending through an opening of the seat to adjust the fluid flow through the choke valve.