Adjustable valve for damping of oscillations, with an emergency operating device, uses battery as emergency power supply to bring valve to emergency operating position
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...
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Main Author | |
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Format | Patent |
Language | English French |
Published |
05.09.2003
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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