Title:
DISC BRAKE AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/042317
Kind Code:
A1
Abstract:
Disclosed is a disc brake, comprising a brake caliper (10), a brake disc (20), a first brake pad (31), an electric motor (40), a reducer (50) and a screw rod mechanism (60), wherein the electric motor (40) is an external rotor motor; a stator (41) of the electric motor (40) is provided with a cavity (411) extending in an axial direction; the screw rod mechanism (60) comprises a screw rod (61) and a nut (62) sheathed onto the screw rod (61); the screw rod (61) passes through the cavity (411); and a rotor (42) of the electric motor (40) drives, via the reducer (50), the screw rod (61) to rotate, so that the nut (62) moves axially along the screw rod (61), thus pushing the first brake pad (31) to move to press the brake disc (20). A vehicle is further disclosed.
Inventors:
ZHENG ZUXIONG (CN)
Application Number:
PCT/CN2018/102949
Publication Date:
March 07, 2019
Filing Date:
August 29, 2018
Export Citation:
Assignee:
BYD CO LTD (CN)
International Classes:
F16D65/18; F16D67/06; H02K7/102; F16D125/40
Foreign References:
| CN207145489U | 2018-03-27 | |||
| EP1460301A2 | 2004-09-22 | |||
| US2597685A | 1952-05-20 | |||
| CN102410325A | 2012-04-11 | |||
| CN103644218A | 2014-03-19 | |||
| US20060021831A1 | 2006-02-02 |
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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