GAS PRESSURE REDUCING EQUIPMENT AND METHOD

PROBLEM TO BE SOLVED: To provide gas pressure reducing equipment and a gas pressure reducing method capable of miniaturizing the equipment, and reducing the number of times of operation of a system switching valve to reduce the failure of the valve. SOLUTION: This gas pressure reducing equipment 1 c...

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Main Authors TATE KAZUO, SHIMADA HIROO, KAWAHIGASHI TAKASHI, IWASE SADAJI, KAWASUMI SATORU
Format Patent
LanguageEnglish
Published 16.11.2006
Subjects
BLASTING
HEATING
LIGHTING
MECHANICAL ENGINEERING
PIPE-LINE SYSTEMS
PIPE-LINES
STORING OF DISTRIBUTING GASES OR LIQUIDS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide gas pressure reducing equipment and a gas pressure reducing method capable of miniaturizing the equipment, and reducing the number of times of operation of a system switching valve to reduce the failure of the valve. SOLUTION: This gas pressure reducing equipment 1 comprises two pressure reducers 10, 11 mounted at an upstream side, and one air-fin type heater 20 mounted at a downstream side of the pressure reducers 10, 11. A gas of which pressure is reduced by one of two pressure reducers 10, 11 and cooled, is heated by the air-fin type heater 20. The circulating direction of a gas flowing in the air-fin type heater 20 is switched when a temperature detected by temperature sensors T1, T2 detecting a temperature of the gas flowing out from the air-fin type heater 20 is lowered than a prescribed range. A first injection opening is formed for injecting CNG to a primary-side flow channel 30 at an upstream side of the pressure reducers 10, 11, and a second injection opening is formed for injecting LNG to a secondary-side flow channel 40 in which the gas flowing out from the air-fin type heater 20 flows. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20050134905