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Brake hydraulic pipeline, brake hydraulic system and vehicle

A technology of brake hydraulic pressure and brake hose, which is applied in the field of vehicles, can solve the problems of driver discomfort and loud noise in the pipeline, and achieve the effects of noise suppression, impact damage reduction, and less turbulent flow

Inactive Publication Date: 2022-07-22
BEIQI FOTON MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the pipeline of the hydraulic power-assisted braking device is arranged in the cab, when the system is pressurized, there will be a lot of noise in the pipeline as a whole, causing discomfort to the driver

Method used

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  • Brake hydraulic pipeline, brake hydraulic system and vehicle
  • Brake hydraulic pipeline, brake hydraulic system and vehicle
  • Brake hydraulic pipeline, brake hydraulic system and vehicle

Examples

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Embodiment Construction

[0029] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, only used to explain the present invention, and should not be construed as a limitation of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on those shown in the accompanying drawings The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific or...

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Abstract

The invention discloses a brake hydraulic pipeline, a brake hydraulic system and a vehicle. The brake hydraulic pipeline comprises a brake hard pipe, a connecting piece, a brake hose and a first noise reduction strip, and a first flow channel is formed in the brake hard pipe; one end of the connecting piece is connected with the brake hard pipe, and a second flow channel communicated with the first flow channel is formed in the connecting piece; one end of the brake hose is connected with the other end of the connecting piece, and a third flow channel is formed in the brake hose; the first noise reduction strip is located in the brake hose, a first noise reduction flow channel is formed in the first noise reduction strip, and the two ends of the first noise reduction flow channel communicate with the second flow channel and the third flow channel correspondingly. According to the brake hydraulic pipeline disclosed by the embodiment of the invention, the composite noise reduction pipeline is manufactured in the pipeline assembly by utilizing the flexibility characteristic of the brake hose and the noise reduction principle of the expansion chamber of the first noise reduction strip, so that some pump source pulsation is reduced, and the propagation of mechanical vibration frequency noise in the lower end pipeline and the hydraulic booster is reduced.

Description

technical field [0001] The invention relates to the field of vehicles, in particular to a brake hydraulic pipeline, a brake hydraulic system and a vehicle. Background technique [0002] The energy of the hydraulic booster of the existing model comes from the steering pump, which is a vane pump. When it works and rotates, it will generate mechanical friction, vibration noise and fluid pulsation noise. Part of the noise will be transmitted directly to the air through the casing; part of it will be transmitted through the output The port is pulsated by a certain fluid pulsation frequency and pressure, and is output to the pipeline through the fluid carrier wave and then spreads into the air. [0003] Noise transmitted to the surroundings through the hydraulic pipeline: a. Transmission of a certain amount of mechanical and fluid pulsation noise from the steering pump source; b. When the pulsating fluid passes through the pipeline, the pipeline will vibrate and resonate noise; c....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T17/04B60T13/16
CPCB60T17/043B60T13/16
Inventor 卢彦温耿红静薛洪康
Owner BEIQI FOTON MOTOR CO LTD
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