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LNG high-pressure pump

A high-pressure pump and high-pressure pipe technology, applied in the field of high-pressure pumps, can solve the problems of unstable transmission, energy waste, pump shaft fracture, etc., and achieve the effects of reducing safety accidents, convenient detection, and increasing strength

Inactive Publication Date: 2020-11-17
XIJING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing LNG high-pressure pump structure is a single-space compression pump structure, which is easy to cause the pump shaft to break. The cooling heat exchange liquid of the ordinary pump is additionally designed and configured, which is easy to cause energy waste, easy to leak, and has the problem of unstable transmission. shortcoming

Method used

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  • LNG high-pressure pump

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] refer to figure 1 , an LNG high-pressure pump, comprising a hydraulic chamber 1, a first vacuum chamber 7 and a second vacuum chamber 10, a first guide ring 2 is installed inside the hydraulic chamber 1, a second guide ring 8 is installed inside the first vacuum chamber 7, A third guide ring 17 is installed inside the second vacuum chamber 10, the left side of the first guide ring 2 is connected by the first pump shaft 6 and the right side of the second guide ring 8, and the left side of the second guide ring 8 is connected by the second The pump shaft 9 is connected to the right side of the third guide ring 17;

[0023] The hydraulic chamber 1 on the left side of the first guide ring 2 is equipped with a first hydraulic inlet and outlet 4, and the hydraulic chamber 1 on the right side of the first guide ring 2 is equipped with a second hydrau...

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Abstract

The invention discloses an LNG high-pressure pump. The LNG high-pressure pump comprises a hydraulic cavity, a first vacuum cavity and a second vacuum cavity; a first guide ring is installed in the hydraulic cavity; a second guide ring is installed in the first vacuum cavity; a third guide ring is installed in the second vacuum cavity; the left side of the first guide ring is connected with the right side of the second guide ring through a first pump shaft; the left side of the second guide ring is connected with the right side of the third guide ring through a second pump shaft; a first hydraulic inlet and outlet and a second hydraulic inlet and outlet are respectively installed on left and right hydraulic cavities of the first guide ring; a high-pressure pipe is mounted on the second vacuum cavity on the left side of the third guide ring; and the high-pressure pipe is connected with an outlet of an LNG high-pressure pipe of a wrapped automobile exhaust collecting device, and an inletof the LNG high-pressure pipe is connected with an engine. The LNG high-pressure pump provided by the invention is a two-stage vacuum high-pressure pump; a first movable pump shaft is driven to directly move through the first hydraulic inlet and outlet, then vacuum pump bodies of the first vacuum cavity and the second vacuum cavity are driven to generate pressure, LNG is sucked through the high-pressure pipe by means of the pressure, and the LNG high-pressure pump has the advantages of being not prone to leakage and stable in transmission.

Description

technical field [0001] The invention relates to the technical field of high-pressure pumps, in particular to an LNG high-pressure pump. Background technique [0002] The LNG high-pressure pump is a device that converts LNG stored in a hydraulic tank into CNG and then delivers it to the engine. [0003] The existing LNG high-pressure pump structure is a single-space compression pump structure, which is easy to cause the pump shaft to break. The cooling heat exchange liquid of the ordinary pump is additionally designed and configured, which is easy to cause energy waste, easy to leak, and has the problem of unstable transmission. shortcoming. Contents of the invention [0004] In order to overcome the above-mentioned shortcomings of the prior art, the object of the present invention is to provide an LNG high-pressure pump, which has the advantages of not easy to leak and stable transmission. [0005] In order to achieve the above object, the technical scheme that the prese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02M21/02
CPCF02M21/0215F02M21/0245F02M21/0293Y02T10/30
Inventor 黄建社乔勋尹福祥薛少钧金作勇王永杰
Owner XIJING UNIV
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