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Hydraulic unit of anti-lock brake system and method of manufacturing the same

A technology of hydraulic devices and braking systems, which is applied in the field of hydraulic devices and can solve problems such as complex and difficult shell manufacturing processes and high manufacturing costs

Inactive Publication Date: 2008-07-09
HL MANDO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the manufacturing process of the shell is very complicated and tricky
Also, because the housing is made of aluminum, it is very expensive to manufacture

Method used

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  • Hydraulic unit of anti-lock brake system and method of manufacturing the same
  • Hydraulic unit of anti-lock brake system and method of manufacturing the same
  • Hydraulic unit of anti-lock brake system and method of manufacturing the same

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Embodiment Construction

[0033] Embodiments related to the present invention will be described in detail below with reference to the corresponding drawings, and like parts are given like reference symbols throughout the specification. The embodiments are described below in order to explain the present invention by referring to the figures.

[0034] Figures 1 to 5 A hydraulic device for an anti-lock brake system and a manufacturing method thereof are shown according to a first preferred embodiment of the present invention. Such as figure 1 As shown, the anti-lock braking system includes: a group of valves 12a, 12b, 12c, 12d, 13a, 13b, 13c and 13d, which respectively intermittently control the transmission of the brake oil pressure generated in the master cylinder 10 to the In the wheel cylinders 11a, 11b, 11c, and 11d on the front and rear sides; two low-pressure accumulators 14a and 14b, storing oil returned from the wheel cylinders 11a, 11b, 11c, and 11d . The anti-lock braking system further in...

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PUM

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Abstract

The present invention relates to a hydraulic unit of an anti-lock brake system for vehicles having a housing that is easily manufactured, whereby production efficiency is improved, and thus the manufacturing costs of the housing are reduced. The present invention also discloses a method of manufacturing the same. The hydraulic unit comprises a housing having components that control braking oil pressure supplied to wheels of a vehicle, such as a plurality of valves, accumulators, and hydraulic pumps, mounted thereto, flow channels formed in the housing, the flow channels being connected between the components, and a plurality of pipes connected to each other in the housing. The housing is made of an injected resin material having bores and flow channels formed therein. The components are inserted in the bores of the housing. The components are fixedly mounted to the housing by means of fixing members attached to the housing.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. 2003-79936 filed on November 12, 2003 and Korean Patent Application No. 2003-80667 and 2003-80668 filed on November 14, 2004 at the Korean Intellectual Property Office The disclosures of these three applications are hereby incorporated by reference. technical field [0003] The present invention relates to a hydraulic device for an anti-lock braking system of a vehicle, and more particularly, to a hydraulic device for an anti-lock braking system manufactured by injection molding a resin material. The invention also relates to a method of manufacturing the hydraulic device. Background technique [0004] An anti-lock braking system installed in a vehicle is a system that controls brake oil pressure in wheel cylinders applied to wheels of the vehicle to decrease or increase the brake oil pressure when the vehicle is braked. Since the wheels of the vehi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T8/36F15B1/02B29C45/00
CPCB29C45/00B60T8/368
Inventor 杨二镇河东宪
Owner HL MANDO CORP