# US 2014/0190187 A1 · Cryogenic Liquid Conditioning and Delivery System

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- Number: US 2014/0190187 A1
- Document ID: US20140190187A1
- Status: Published application
- Kind: A1
- Application number: 13/735,691
- Filed: 2013-01-07
- Published: 2014-07-10
- Earliest claimed: 2013-01-07
- Assignees: Hebeler Corporation
- Inventors: Kenneth Leo Snyder; Robert Francis Desjardins; Nathaniel Eaton Allen; James Joseph Donovan; Mark Ray Nuernberger; Peter Maurice Coleman
- Web page: https://patentgrep.com/patent/US20140190187A1

## CPC

- F17C 7/04: with change of state, e.g. vaporisation
- F17C 7/02: Discharging liquefied gases
- F17C 13/025: {having the pressure as the parameter}
- F17C 2203/0391: by vacuum
- F17C 2203/0629: Two walls
- F17C 2205/0332: Safety valves or pressure relief valves
- F17C 2221/033: Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
- F17C 2223/0161: cryogenic, e.g. LNG, GNL, PLNG
- F17C 2223/033: Small pressure, e.g. for liquefied gas
- F17C 2227/0107: by pressurising the ullage
- F17C 2227/03: Heat exchange with the fluid
- F17C 2227/0393: using a vaporiser
- F17C 2250/0408: Level of content in the vessel
- F17C 2250/043: Pressure
- F17C 2265/066: for feeding engines for propulsion
- F17C 2270/0168: by vehicles
- F17C: VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES (storing fluids in natural or artificial cavities or chambers in the earth B65G5/00; construction or assembling of bulk storage containers employing civil-engineering techniques E04H7/00; variable-capacity gas-holders F17B; liquefaction or refrigeration machines, plants, or systems F25)

## Abstract

A cryogenic liquid conditioning system with flow driven by head pressure of liquid contained in a cryogenic storage tank, and a cryogenic liquid delivery system with flow driven by pressure in the vapor space of said cryogenic storage tank. A heat exchanger, coupled to the cryogenic storage tank located below the liquid level of said tank, operates as a portion of both the conditioning system and delivery system. A piping system moves cryogenic liquid to the heat exchanger where it is vaporized, and then moves vaporized liquid to the vapor space of the cryogenic tank and an application. The piping system includes a means for controlling flow through the system. A means for measuring the saturated pressure of cryogenic liquid is coupled to the storage tank or piping system, and is in communication with the means for controlling flow.

## Claims

### Claim 1

A system for conditioning cryogenic liquid comprising:
a) at least one insulated storage tank capable of storing a liquid at a cryogenic temperature and an initial pressure;
b) at least one heat exchanger coupled to the at least one storage tank located below the liquid level of the at least one storage tank;
c) a piping system coupled to the at least one insulated storage tank and the at least one heat exchanger comprising:
i. an inlet capable receiving cryogenic liquid from the storage tank;
ii. an outlet capable of delivering gas to the storage tank; and,
iii. a means for controlling flow through the system,
d) a means for measuring saturated pressure coupled to the at least one storage tank or piping system, and in communication with the means for controlling flow;
wherein cryogenic liquid moves through said heat exchanger and piping system, and said storage tank is agitated, raising the saturated pressure of said liquid to a given level.

### Claim 2 (depends on 1)

A system in accordance in claim 1, wherein the inlet capable of receiving cryogenic liquid contains a means of maintaining a definitive liquid level within the piping system.

### Claim 3

A system for conditioning and delivering cryogenic liquid to an application comprising:
a) at least one insulated storage tank capable of storing a liquid at a cryogenic temperature and an initial pressure;
b) at least one heat exchanger coupled to the at least one storage tank located below the liquid level of the at least one storage tank comprising;
c) a piping system coupled to the at least one insulated storage tank and the at least one heat exchanger comprising:
i. an inlet capable receiving cryogenic liquid from the storage tank;
ii. an outlet capable of delivering gas to the storage tank;
iii. an outlet capable of delivering gas to an application; and,
iv. a means for controlling flow through the system,
d) a means for measuring saturated pressure coupled to the at least one storage tank or piping system, and in communication with the at least two control valves;
wherein cryogenic liquid moves through said heat exchanger and piping system, and said storage tank is agitated, raising the saturated pressure of said liquid to a given level and supplying gas to an application.

### Claim 4 (depends on 3)

A system in accordance in claim 3, wherein the inlet capable of receiving cryogenic liquid contains a means of maintaining a definitive liquid level within the piping system.