Abstract: A hose end regulator for regulating pressure in fluid includes a main body having a fluid inlet and fluid outlet. A poppet moves between an open position to permit fluid to flow through the fluid outlet and a closed position to militate against fluid flowing through the fluid outlet. A primary spring permits the poppet to move between the open position and the closed position. A flow maximizer minimizes movement of the primary spring until a predetermined fluid pressure is reached within the main outer body.

Abstract: A nozzle adapter for coupling a fueling nozzle to an underwing type servicing adapter having a radially outward extending tab and a notch formed in an open end thereof comprises an outer body including a neck portion having a first conduit formed therein and a substantially cylindrical cap portion, the cap portion including at least one slot formed therein. An inner body has a second conduit formed therein and is disposed within the cap portion of the outer body and an annular channel is formed between the cap portion and the inner body. The at least one tab is received in the at least one slot and a rotation of the nozzle adapter relative to the servicing adapter causes a first aperture configured to receive a locking device therein to be aligned with the at least one notch of the servicing adapter.

Abstract: A filter system with flow regulation includes a filter interposed along the fluid passageway and a differential valve in fluid series therewith. The valve may use the upstream reference hydraulic pressure at the filter inlet and a downstream hydraulic pressure thereof to generate a valve position that regulates fluid flow along the fluid passageway. This can partially restrict flow and reduce pressure differential across the filter system and effectively closes off flow through the system when pressure differential is high. This may be used in aircraft or other fueling applications to limit flow and cause the operator to change the fuel filter once fuel flow slows to a trickle when the differential valve effectively closes due to higher differential pressure. The valve is also capable of a fully closed position at high pressure differential state.

Abstract: A hose end regulator for regulating pressure in fluid includes a main body having a fluid inlet and fluid outlet. A poppet moves between an open position to permit fluid to flow through the fluid outlet and a closed position to militate against fluid flowing through the fluid outlet. A primary spring permits the poppet to move between the open position and the closed position. A flow maximizer minimizes movement of the primary spring until a predetermined fluid pressure is reached within the main outer body.

Abstract: A differential pressure gauge for measuring a difference in pressure present between a low pressure portion of a fluid and a high pressure portion of the fluid includes a cylinder and a housing. The cylinder includes an opening. The housing includes an opening. A piston extends from a first end having a visual indicator to a second end having a remote indicator. The first end of the piston is in fluid communication with the high pressure portion of the fluid and the second end of the piston is in fluid communication with the low pressure portion of the fluid. A sensor is configured to sense a presence of the remote indicator when the remote indicator is within a sensing range of the sensor. The sensor is coupled to a sensor positioning mechanism for adjusting a position of the sensor with respect to the axial direction of the housing.

Abstract: A kit and method for manufacturing a reference standard for a water detection unit includes a substrate and a tray configured to receive the substrate therein. A tank is configured to receive at least one of the trays therein, wherein a fluorescent solution comprising water and uranine is provided to the tank via an inlet. The solution rises within the tank to saturate the substrate. The trays are then placed in a rotatable rack wherein the substrates are dried to remove excess solution. The dried substrates are then hermetically sealed within a transparent envelope.

Abstract: A nozzle adapter for coupling a fueling nozzle to an underwing type servicing adapter having a radially outward extending tab and a notch formed in an open end thereof comprises an outer body including a neck portion having a first conduit formed therein and a substantially cylindrical cap portion, the cap portion including at least one slot formed therein. An inner body has a second conduit formed therein and is disposed within the cap portion of the outer body and an annular channel is formed between the cap portion and the inner body. The at least one tab is received in the at least one slot and a rotation of the nozzle adapter relative to the servicing adapter causes a first aperture configured to receive a locking device therein to be aligned with the at least one notch of the servicing adapter.

Abstract: A differential pressure gauge for measuring a difference in pressure present between a low pressure portion of a fluid and a high pressure portion of the fluid comprises a cylinder including an opening, a housing including an opening, and a piston extending from a first end having a visual indicator to a second end having a remote indicator. The first end of the piston is in fluid communication with the high pressure portion of the fluid and the second end of the piston is in fluid communication with the low pressure portion of the fluid. A sensor is configured to sense a presence of the remote indicator when the remote indicator is within a sensing range of the sensor. The sensor is coupled to a sensor positioning mechanism for adjusting a position of the sensor with respect to the axial direction of the housing.

Abstract: A nozzle adapter for coupling a fueling nozzle to an underwing type servicing adapter having a radially outward extending tab and a notch formed in an open end thereof comprises an outer body including a neck portion having a first conduit formed therein and a substantially cylindrical cap portion, the cap portion including at least one slot formed therein. An inner body has a second conduit formed therein and is disposed within the cap portion of the outer body and an annular channel is formed between the cap portion and the inner body. The at least one tab is received in the at least one slot and a rotation of the nozzle adapter relative to the servicing adapter causes a first aperture configured to receive a locking device therein to be aligned with the at least one notch of the servicing adapter.

Abstract: A kit and method for manufacturing a reference standard for a water detection unit includes a substrate and a tray configured to receive the substrate therein. A tank is configured to receive at least one of the trays therein, wherein a fluorescent solution comprising water and uranine is provided to the tank via an inlet. The solution rises within the tank to saturate the substrate. The trays are then placed in a rotatable rack wherein the substrates are dried to remove excess solution. The dried substrates are then hermetically sealed within a transparent envelope.

Abstract: A nozzle adapter for coupling a fueling nozzle to an underwing type servicing adapter having a radially outward extending tab and a notch formed in an open end thereof comprises an outer body including a neck portion having a first conduit formed therein and a substantially cylindrical cap portion, the cap portion including at least one slot formed therein. An inner body has a second conduit formed therein and is disposed within the cap portion of the outer body and an annular channel is formed between the cap portion and the inner body. The at least one tab is received in the at least one slot and a rotation of the nozzle adapter relative to the servicing adapter causes a first aperture configured to receive a locking device therein to be aligned with the at least one notch of the servicing adapter.

Abstract: A piston pump includes a main body having an inlet, an outlet, and a chamber fluidly connected to form at least a portion of a first fluid flow path for receiving a flow of fluid therein. The pump also includes a second fluid flow path to provide fluid communication between the chamber and a point upstream of the inlet of the main body. A piston is disposed in the chamber of the main body and reciprocatingly moves therein to cause the flow of the fluid through at least one of the first fluid flow path and the second fluid flow path. An adjustment element is disposed in the main body and configured to adjust an effective flow of the fluid through the first fluid flow path.

Abstract: A pressure gauge including a hollow cylinder, a first housing member having a first pressure inlet disposed at a first end of the cylinder, and a second housing member having a second pressure inlet disposed at a second end of the cylinder. The pressure gauge also includes a piston slidably disposed in the first housing member. The piston includes a remote indicator coupled to an end of the piston. At least a portion of the remote indicator extends into the hollow cylinder. A spring is disposed in the cylinder abutting the remote indicator and urges the remote indicator toward the second housing member. An increased pressure difference between the first pressure inlet and the second pressure inlet causes the remote indicator to move away from the second housing member and toward the first housing member, and the remote indicator provides a measure of the pressure difference relative to indicia included on the pressure gauge.

Abstract: An automatic air eliminator for a fluid system is disclosed. The automatic air eliminator includes a body having an interior cavity, a first end, and a second end. A cover is disposed over one of the ends of the body. A seat disposed adjacent the cover includes an orifice in communication with the interior cavity of the body. A primary pivot point is disposed within interior cavity. A first end of a primary arm is pivotally connected to the primary pivot point. A second end of the primary arm is connected to a float. A first end of a secondary arm is pivotally attached to a secondary pivot point on the primary arm. A fulcrum and a sealing element are disposed on an upper surface of the second end of the secondary arm.

Abstract: A sensor assembly including a flexible member having a first end and a second end, a rotating member connected to the second end of the flexible member, a positional element disposed on the rotating member, and a sensor capable of sensing a movement of the positional element. A movement of the second end of the flexible member allows the rotating member and the positional element to rotate.

Abstract: A liquid-in-stem thermometer includes a bulb configured to contain a thermometric fluid and a tube in fluid communication with the bulb. The tube has an inner surface. The liquid-in-stem thermometer further includes a layer of fluoropropyltrimethoxysilane. The layer of fluoropropyltrimethoxysilane is disposed on the inner surface of the tube. The thermometric fluid is saline water.

Abstract: A pressure gauge including a hollow cylinder, a first housing member having a first pressure inlet disposed at a first end of the cylinder, and a second housing member having a second pressure inlet disposed at a second end of the cylinder. The pressure gauge also includes a piston slidably disposed in the first housing member. The piston includes a remote indicator coupled to an end of the piston. At least a portion of the remote indicator extends into the hollow cylinder. A spring is disposed in the cylinder abutting the remote indicator and urges the remote indicator toward the second housing member. An increased pressure difference between the first pressure inlet and the second pressure inlet causes the remote indicator to move away from the second housing member and toward the first housing member, and the remote indicator provides a measure of the pressure difference relative to indicia included on the pressure gauge.

Abstract: A piston pump includes a main body having an inlet, an outlet, and a chamber fluidly connected to form at least a portion of a first fluid flow path for receiving a flow of fluid therein. The pump also includes a second fluid flow path to provide fluid communication between the chamber and a point upstream of the inlet of the main body. A piston is disposed in the chamber of the main body and reciprocatingly moves therein to cause the flow of the fluid through at least one of the first fluid flow path and the second fluid flow path. An adjustment element is disposed in the main body and configured to adjust an effective flow of the fluid through the first fluid flow path.

Abstract: A valve system for monitoring and controlling a flow of a fluid additive into a main fluid line is disclosed. The system includes a pump that provides a constant flow of the additive from a fluid reservoir through a supply conduit into the main fluid line. A portion of the fluid additive may be diverted into one or more return conduits leading back to the reservoir by opening a solenoid actuated valve in the return conduit. Flow meters are employed to detect the flow rates of the fluids in the supply conduit and the main fluid line. The flow meters provide signals to a control system, which are effective to control the operation of the solenoid actuated valves to maintain a desired flow of the additive into the main fluid line.

Abstract: A closed loop system for obtaining a sample of a fluid from a source of fluid is disclosed, the system including a collection vessel having a fluid chamber disposed therein. A valve assembly is disposed within the collection vessel and adapted to selectively open and close a fluid communication path between the fluid chamber and an associated fluid receptacle. An inlet provides a fluid communication path between the source of fluid and the fluid chamber, and an outlet provides a fluid communication path between the fluid chamber and a fluid recovery system.