Pressurized liquid fill gun apparatus and method of use
View Patent ↗Certain embodiments of the present invention provide a fill gun apparatus for interconnection of a pump truck and a pressurized liquid delivery system. The fill gun apparatus can be easily attached and detached from an inlet port to deliver a pressurized fluid, for improved delivery, increased efficiency, increased safety, and decreased waste.
1. A method for the delivery of liquid CO2 from a pump truck to a storage system comprising:
inserting a first end of an inlet line of a filler device into a receptacle;
indexing a sleeve of the filler device to a mating element of the receptacle;
actuating a valve from a first configuration, which prevents the flow of pressurized CO2, to a second configuration, which allows flow of pressurized CO2 into the receptacle;
activating a pump to pressurize the CO2;
sensing the pressure within the storage system;
deactivating the pump in response to sensing a predetermined pressure;
after deactivating the pump, purging CO2 from the filler device by actuating the valve from the second configuration to a third configuration which allows for flow of CO2 from the filler device through the valve to the ambient environment;
removing the inlet line from the receptacle.
2. The method of claim 1 wherein the sensing step comprises sensing an increase in pressure.
3. The method of claim 1 wherein the sensing step comprises sensing a sudden change in pressure.
4. The method of claim 1 further comprising the step of compressing a spring of the filler device to constrain the sleeve relative to the mating element of the receptacle.