公开(公告)号：US10969018B2

公开(公告)日：2021-04-06

申请号：US15797830

申请日：2017-10-30

Applicant: Cameron International Corporation

Inventor： Delbert Edwin Vanderford ,  Stuart Robinson ,  Joseph A Hedges

IPC: E21B29/04 ,  F16K31/00 ,  F16K1/48 ,  E21B33/072 ,  F16K31/122

Abstract: A booster assembly includes a booster body configured to removably couple to an actuator body of an actuator of a gate valve, a booster stem configured to removably couple to an actuator stem of the actuator, and a booster biasing member configured to provide a supplemental force to supplement an actuating force applied by the actuator to drive a gate of the gate valve from an open position to a closed position.

公开(公告)号：US20190128427A1

公开(公告)日：2019-05-02

申请号：US15797830

申请日：2017-10-30

Applicant: Cameron International Corporation

Inventor： Delbert Edwin Vanderford ,  Stuart Robinson ,  Joseph A Hedges

IPC: F16K1/48

Abstract: A booster assembly includes a booster body configured to removably couple to an actuator body of an actuator of a gate valve, a booster stem configured to removably couple to an actuator stem of the actuator, and a booster biasing member configured to provide a supplemental force to supplement an actuating force applied by the actuator to drive a gate of the gate valve from an open position to a closed position.