Mechanical Indicator for Flame Arrestor and Method
AssigneeEmerson Automation Solutions Final Control UK Ltd
InventorsDaniel Grundy, Stuart Brooks
Life of this patent
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Abstract
A mechanical indicator for a flame arrestor including a housing configured to be a coupled to a flame arrestor and having a channel, a sensing assembly disposed within the housing and in fluid communication with the channel, the sensing assembly including a sensing area configured to sense pressure, and a pin disposed within the channel. The pin is moveable between an unactuated position and an actuated position, and the actuated position is a position in which the pin extends outside of the housing providing a visual indicator an event occurred within the flame arrestor. The pin is moved from the unactuated position to the actuated position upon the sensing area sensing pressure exceeding a threshold value.
Claims20
A mechanical indicator for a flame arrestor of a flow control system, the indicator comprising:
- a housing configured to be a coupled to a flame arrestor, the housing having a channel disposed along a longitudinal axis of the housing;
- a sensing assembly disposed within the housing and in fluid communication with the channel of the housing, the sensing assembly including a sensing area configured to sense pressure;
- and
- a pin disposed within the channel, the pin moveable between an unactuated position and an actuated position, the actuated position a position in which the pin extends outside of the housing providing a visual indicator an event occurred within the flame arrestor,
- where the pin is moved from the unactuated position to the actuated position upon the sensing area sensing pressure at or exceeding a threshold value.
A flame arrestor for a flow control system, the flame arrestor comprising:
- a body having an interior portion and a fluid flow path disposed through the interior portion;
- an element disposed within the body and in fluid communication with the fluid flow path;
- and
- an indicator coupled to a portion of the body, the indicator in fluid communication with the fluid flow path of the body and comprising:
- a housing having a channel;
- a sensing assembly disposed within the housing and in fluid communication with the channel of the housing, the sensing assembly including a sensing area configured to sense pressure from the fluid flow path of the flame arrestor;
- and
- a pin disposed within the channel and moveable between an unactuated position and an actuated position, the actuated position a position in which the pin extends outside of the housing of the indicator, providing a visual indicator an event occurred within the flame arrestor.
A method of indicating an event occurred within a flame arrestor of a flow control system, the method comprising:
- coupling a mechanical indicator to a flame arrestor;
- sensing pressure in a fluid flow path of the flame arrestor via a sensing assembly of the mechanical flame arrestor in fluid communication with the fluid flow path of the flame arrestor;
- and
- moving a pin of the mechanical indicator from an unactuated position to an actuated position in which the pin extends outside of the housing upon sensing pressure, via a sensing area of the sensing assembly, exceeding a threshold value.
Dependencies are inferred from the claim text.