A fueling adapter configured to permit a fuel dispenser which terminates in a twist lock mating assembly to be used to supply fuel to a fuel tank which has a fuel receiver outfitted with a dry break connector connected thereto, said fueling adapter comprising a dry break assembly rotatably connected to a twist lock assembly via a rotational connector.

Devices, methods, and systems are provided for detection of various leaks within fuel dispensers, such as through visualization within a fuel dispenser. An exemplary fuel dispenser can include a housing having fuel dispensing components disposed therein, a control system in the housing for controlling the dispensing of fuel, and a leak detection assembly for detecting a fluid leak within the housing, and for visually confirming the presence of a leak using an imaging device.

A fueling apparatus 1 including: a fueling pipe 4 accommodated in a housing main body 2 having a fueling mechanism, one end of the fueling pipe 4 being connected to the fueling mechanism; an elbow 5 connected to another end of the fueling pipe 4; a fueling hose 10, one end of which being connected to a fueling nozzle 11 with vapor recovering function, and in which a vapor passage 10c and a fuel oil passage 10d are separately disposed from each other; and a separable joint 9 for communicating the fuel oil passage 10d of the fueling hose 10 and inside of the elbow 5 with each other, and for communicating the vapor passage 10c of the fueling hose 10 and a vapor pipe 4 connected to the vapor recovery mechanism with each other.

A gravity-fed fuel delivery system is provided. A central storage tank holds fuel to re-supply a number of pump trucks or other mechanized equipment, such as on a hydraulic fracturing location, and can be selectively raised or lowered. Hoses or other conduits extend from the central storage tank to individual fuel tanks of the equipment to be refueled. Adapters allow connection of the distal end of each hose or conduit to an inlet opening of a fuel tank. A float valve assembly senses when fuel inside an individual fuel tank is below a predetermined level, thereby mechanically opening a valve assembly to permit fluid to flow from the central storage tank, through a conduit, through the float valve assembly and into the fuel tank.

A testable overfill prevention valve (TOPV) for a liquid storage container. The TOPV allows an individual to readily verify the operability of the TOPV. Preferably, a test member of directly contacts a portion of a latch to release a flow control member so that the flow control member can move from an open position to a closed position wherein in the closed position liquid is generally prevented from flowing out the TOPV. The test member preferably directly contacts the flow control member to move the control member to an intermediate position between open and closed positions allowing an individual looking down into the TOPV to see that the flow control member has moved sufficiently to confirm operability of the TOPV. Preferably, the test member is spring biased to a non-testing position and the entire test member is disposed in the housing of the TOPV when in a testing position.

A system determines that a fuel dispensing operation may be anomalous. In response, the system accesses fuel inventory data that indicates fuel levels in a fuel tank within a threshold period. The system determines a measure amount of fuel that left the fuel tank based on the fuel inventory data. The system determines a calculated amount of dispensed fuel associated with one or more fuel dispensing operations within the threshold period. The system compares the measured amount of fuel that left the fuel tank with the calculated amount of dispensed fuel. The system determines that the measured amount of fuel that left the fuel tank is more than the calculated amount of dispensed fuel. In response, the system confirms that the fuel dispensing operation is anomalous and communicates an electronic signal to the fuel dispensing terminal that causes the fuel dispensing terminal to stop dispensing fuel.

An object is to provide an emergency detachment device of a fluid handling device, the emergency detachment device having exceptional heat insulation performance and making it possible to handle extremely-low-temperature fluids such as liquid hydrogen. A first coupler 2 and a second coupler 3 are provided with a vacuum section 10 between an inner pipe section 5 and an outer pipe section 6, and are provided with two valves 1 in series. A remaining-fluid-transferring mechanism is provided such that, after second valves 1B provided further inward enter a closed-valve state during emergency detachment, residual fluid that remains closer to the first valves 1A than the second valves 1B is transferred into the inner pipes sections 5 provided further inward of the second valves 1B. Once emergency detachment is in a completed state, heat insulation sections 9 are formed in the space between the first valve 1A and the second valve 1B in each of the first coupler 2 and the second coupler 3, and heat insulation performance is improved by the heat insulation sections 9 and the vacuum sections 10.

A fluid delivery system having a safety system with a breakaway component. Breakaway component further comprising an internal tube that also has breakaway capacity to prevent leaks before breakaway. Also a break away system have a turbulence coil within the break away portion of the conduit to enhance the protection provided by the safety system.

A fluid dispensing system including a support structure, a hose configured to dispense fluid therethrough, and a support cable coupled to the hose. The hose is directly or indirectly releasably coupled to the support structure via the cable. The system further includes an extension and refraction mechanism configured to provide an adjustable effective length to the support cable.

A petroleum pipeline safety system for preventing contamination of an environmentally sensitive area close to a pipeline includes an upstream portion of the pipeline supplying a flow of fluid material, a crossing portion of the pipeline receiving the flow of fluid material from the upstream portion and conveying the flow of fluid material through the environmentally sensitive area to a downstream portion of the pipeline, the downstream portion, a pipeline pressure activated valve selectively capable of blocking the flow of fluid material from entering the crossing portion based upon a change in pressure within the crossing portion, and a fluid capacitor connected to the upstream portion configured to filter out a pressure spike in the upstream portion associated with the valve blocking the flow of fluid material.