No loss fueling station for liquid natural gas vehicles

Details No loss fueling station for liquid natural gas vehicles No loss fueling station for liquid natural gas vehicles

1991-05-17

1992-06-16

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

123525, 123527, F17C 904

Patent

active

051216094

ABSTRACT:
The fueling station of the invention consists of a vacuum insulated storage vessel for delivering LNG to a pressure building tank. The pressure building tank holds a quantity of LNG and a natural gas head. The pressure in the pressure building tank is lowered using liquid nitrogen (LN.sub.2) to condense the natural gas head and is raised by vaporizing the LNG. A valve system connects the supply of LNG in the pressure building tank to the vehicle being supplied to allow either LNG or natural gas to be delivered to the vehicle tank and allows natural gas in the vehicle tank to be vented back to the fueling station. The fueling station of the invention includes suitable controls for controlling the pressure of the LNG delivered to the vehicle, the pressure in the fueling station itself and the pressure in the vehicle.

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patent: 4406129 (1983-09-01), Mills
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patent: 4531497 (1985-07-01), Smith

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