A multiply-redundant system that protects fueling of rockets, aircraft and other vehicles using Liquefied Natural Gas (LNG) along with an oxidizer such as Liquefied Oxygen. One or more sensors in combination with one or more optional microswitches combine to detect any leaks, fire or explosion hazards quickly locking out further fueling. For different levels of safety, different combinations of sensors can be used.

A natural gas filling system for a vehicle includes a piping system defining a first flow path, a receptacle, a tank, and a cooling circuit. The piping system includes a first end and a second end. The receptacle is coupled to the first end of the piping system, and the receptacle is configured to engage a natural gas filling station. The tank is in fluid communication with the receptacle and is configured to store a natural gas supply. The cooling circuit defines a second flow path and includes an expansion valve configured to reduce a pressure of a secondary fluid flow. The second flow path is in thermal communication with the first flow path such that heat transfer from the piping system into the cooling circuit cools the natural gas flowing between the receptacle and the tank.

A method of producing a deflector device for a fuel tank system comprising producing a deflector device prototype from prefabricated components of a construction kit, performing fuel-refilling tests using the deflector device prototype, optionally modifying the deflector device prototype, creating a construction model for the deflector device prototype, producing a deflector device according to the construction model, optionally performing fuel-refilling tests with the deflector device produced according to the construction model and optionally producing the deflector device according to the construction model. The disclosure further provides a construction kit with prefabricated components for producing the prototype of the deflector device for the fuel tank system.

Some embodiments include a mobile fueling system. The mobile fueling system includes a fueling lid configured to cover a fueling compartment opening, and a recessed fueling compartment having the fueling compartment opening. The recessed fueling compartment includes one or more compartment walls having at least one recessed wall portion that is recessed a predetermined distance away from the fueling compartment opening, with the one or more compartment walls defining an interior compartment volume. The recessed fueling compartment further includes a fueling port configured to couple the recessed fueling compartment to a fuel storage tank, and a gas inlet in at least one of the one or more compartment walls of the recessed fueling compartment. The gas inlet is configured to introduce a gas into the interior compartment volume. Other embodiments of related systems and methods are also disclosed.

An integrated fill system is provided for a vehicle. The integrated fill system can include a receptacle, a cap that mates with the receptacle, and a fill line that is in fluid communication between the receptacle and a container. The integrated fill system can further include a valve between an opening on an end of the container and an end of the fill line to allow one-way fluid communication for entry of compressed material into the container. The integrated fill system can further include a draw line on an opposite end of the container to maintain separate lines for filling and drawing compressed material into/from the container.

Vehicle fuel fill control systems may anticipate vehicle refueling events in order to control the timing of fuel tank depressurization sequences. In a first embodiment, a global positioning system (GPS) is utilized to anticipate the vehicle refueling event prior to initializing the depressurization sequence. In another embodiment, a camera system is utilized to anticipate the refueling event prior to initializing the depressurization sequence. In yet another embodiment, both the GPS and the camera system may be utilized to anticipate the refueling event. By anticipating refueling events, customer wait time for gaining refueling access may be reduced.

Some embodiments include an appliance energy source supply system for an energy source supply appliance. The appliance energy source supply system can comprise a first thermal control device and a second thermal control device. The appliance energy source supply system can be configured so that a hydrogen fuel energy source is selectively received by one of the first thermal control device or the second thermal control device before the hydrogen fuel energy source is made available to a receiver vehicle. Other embodiments of related systems, devices, and methods also are provided.

A compressed natural gas fueling system includes a frame arrangement with at least one tank disposed therein and an inlet that can receive a compressed natural gas fueling nozzle to fill the at least one tank. The fueling system can be attached with and supported by frame rails behind a cabin of a vehicle such that the inlet is positioned above the frame rails.

An over the wheel well tank for storing liquid in a bed of a truck includes a tank body having a main tank portion shaped to fit in an area adjacent a wheel well in the bed of a truck and an over a wheel well tank portion shaped to fit in an area above a wheel well in the bed of a truck. The main tank portion is shaped to fit in an area adjacent a proximal side of the wheel well or in an area adjacent a distal side of the wheel well. The storage tank may further include a pumping system to pump liquid from within the storage tank to a location external to the storage tank.

A fuel pump module which may be easily assembled and mounted in a flat bombe having a small height in an LPG vehicle, may have a structure in which a reservoir cup may be rotated and restored with respect to a plate by support bars and springs, so that the fuel pump module may be easily assembled and mounted even in a flat bombe having a small height. Furthermore, members for blocking noise and absorbing vibration are combined with a fuel pump, so noise and vibration may be reduced when the pump is operated.