Mechanical indicator for flame arrestor and method
AssigneeEmerson Process Management Regulator Technologies Tulsa, LLC
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.
Claims15
A mechanical indicator for a flame arrestor of a flow control system, the indicator comprising:
- a housing configured to be a coupled to the flame arrestor, the housing having a channel disposed along a longitudinal axis of the housing, the channel including a first end and a second end;
- a sensing assembly disposed within the housing and in fluid communication with the second end of the channel of the housing, the sensing assembly including a sensing area configured to sense pressure from the second end of the channel;
- and
- a pin disposed within the channel at the first end of the channel, the channel disposed between the pin and the sensing assembly, and 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, the channel including a first end and a second end;
- a sensing assembly disposed within the housing and in fluid communication with the second end of the channel of the housing, the sensing assembly including a sensing area configured to sense pressure from the second end of the channel from the fluid flow path of the flame arrestor;
- and
- a pin disposed within the channel at the first end of the channel, the channel disposed between the pin and the sensing assembly, 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 the flame arrestor;
- sensing pressure in a fluid flow path of the flame arrestor via a sensing assembly of the flame arrestor in fluid communication with the fluid flow path of the flame arrestor, the sensing assembly including a sensing area configured to sense pressure from a second end of a channel of a housing from 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, the pin disposed within the channel at a first end of the channel, the channel disposed between the pin and the sensing assembly.
Dependencies are inferred from the claim text.