METHODS AND APPARATUS TO DIAGNOSE PNEUMATIC ACTUATOR-REGULATING ACCESSORY

• Main Author: BRENDAN KEITH PISCITELLI
• Format: Patent
• Language: Chinese; English
• Published: 30.07.2019
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

The present invention discloses methods, apparatus, systems and articles of manufacture to diagnose a pneumatic actuator-regulating accessor. An example method disclosed herein includes stroking a fluid valve operatively coupled to a field instrument and a pneumatic actuator-regulating accessory by...