Adjustable valve for damping of oscillations, with an emergency operating device, uses battery as emergency power supply to bring valve to emergency operating position

• Main Author: FORSTER ANDREAS
• Format: Patent
• Language: English; French
• Published: 05.09.2003
• Edition: 7
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The valve has a body with variable part, displaced by an electric servomotor (3) supplied from a primary electric source (11) and, in the case of failure of the primary source, from a secondary electric source (15). The secondary source is an electric battery, which is used to set (9) the valve to a...