Novel type low temperature booster pump gas bottle structure

Abstract

The invention belongs to the technical field of booster pumps and particularly relates to a novel type low temperature booster pump gas bottle structure. The novel type low temperature booster pump gas bottle structure comprises an inner container assembly, an outer container assembly, a reciprocating type low temperature booster pump, a pump supporting assembly and a pipeline assembly. The innercontainer assembly is arranged in the outer container assembly. A heat insulation interlayer is arranged between the outer container assembly and the inner container assembly. A front end supporting assembly is arranged at one end between the outer container assembly and the inner container assembly, and an inner rear sealing head assembly is arranged at the other end between the outer container assembly and the inner container assembly. The reciprocating type low temperature booster pump penetrates through the outer container assembly and the inner container assembly, extends into the insideof the inner container assembly and is supported through the pump supporting assembly in the inner container assembly. The novel type low temperature booster pump gas bottle structure has the beneficial effects that the continuous travelling mileage of a vehicle is increased, and the service life of the reciprocating type low temperature pump and a gas bottle is prolonged.

Description

technical field [0001] The invention belongs to the technical field of booster pumps, and in particular relates to a novel low-temperature booster pump gas cylinder structure. Background technique [0002] In the current market, among internal combustion engine vehicles using natural gas as fuel, natural gas is carried on the vehicle in two ways: compressed natural gas (CNG) and liquefied natural gas (LNG). CNG vehicles have developed to the fourth generation of engine technology, which uses HPDI direct injection technology. LNG vehicle gas system has also developed from low-pressure intake port injection technology to in-cylinder high-pressure injection technology. [0003] After the natural gas is purified, it turns into LNG at -162°C. It has a high energy storage density, and its volume is 1 / 625 of the standard state, which is 3 times that of CNG storage. The LNG storage system has lower pressure than CNG storage, and the storage device is lighter, safer and easier to u...

AI Technical Summary

Problems solved by technology

This technical solution only relies on the welding connections between the upper flange cover and the outer container, and the third support pipe diameter and the inner container. If the pump is installed in this structure, the structure is in a cantilever beam state, which will cause greater stress to the welds , and during use, the vibration will cause the cantilever support connection and the pump to fail, resulting in leakage and other problems

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