Title:
HYDRAULIC PRESSURE SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/172047
Kind Code:
A1
Abstract:
Disclosed is a hydraulic pressure supply device. According to an aspect of the present invention, provided is a hydraulic pressure supply device comprising: a motor coupled to one side of a modulator block, which is provided with a flow path and a valve for adjusting a brake pressure therein, and having a first hollow portion formed therein in which a rotary shaft is accommodated; a pump housing coupled to the other side of the modulator block and having a second hollow portion formed therein, the second hollow portion being in communication with the first hollow portion in a straight line; a ball nut connected to the rotary shaft in a ball-screw manner and prevented from rotating by a rotating prevention means so that the rotating movement of the rotary shaft is converted into a linear movement; and a piston formed in a cylindrical shape through which a piston hole is formed in the lengthwise direction and of which one end is coupled to the ball nut so as to move along with the ball nut, and the other end is provided with a head portion having a diameter greater than the diameter of a body portion connected to the ball nut. The piston is provided in the second hollow portion and is moved from a distant direction into a close direction of the motor so as to form a hydraulic pressure only in a single direction.
Inventors:
HONG KWANGSEOK (KR)
Application Number:
PCT/KR2023/003129
Publication Date:
September 14, 2023
Filing Date:
March 07, 2023
Export Citation:
Assignee:
HL MANDO CORP (KR)
International Classes:
B60T13/16; B60T13/74; B60T17/02; F16H25/22
Domestic Patent References:
| WO2019037967A1 | 2019-02-28 |
Foreign References:
| KR20220005911A | 2022-01-14 | |||
| KR20200127505A | 2020-11-11 | |||
| KR20220005909A | 2022-01-14 | |||
| US20130133448A1 | 2013-05-30 |
Attorney, Agent or Firm:
SCL IP LAW FIRM (KR)
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