[특허]Vehicle-body attachment structure for electric brake actuator

Honda Motor Co., Ltd.

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특허 상세정보

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Vehicle-body attachment structure for electric brake actuator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F15B-015/00 B60T-017/08 B60T-007/04 B60T-008/36 B60T-008/40 B60T-013/66 B60T-013/74 B62D-025/08 B60T-011/16
출원번호	US-0885067 (2011-11-17)
등록번호	US-9551363 (2017-01-24)
우선권정보	JP-2010-257358 (2010-11-17)
국제출원번호	PCT/JP2011/076583 (2011-11-17)
§371/§102 date	20130722 (20130722)
국제공개번호	WO2012/067207 (2012-05-24)
발명자 / 주소	Inoue, Arata Ohnishi, Takaaki Murayama, Kazuaki Horiuchi, Takehiro Sawai, Makoto Akahane, Kaoru Mabuchi, Toru Kobayashi, Nobuyuki
출원인 / 주소	Honda Motor Co., Ltd.
대리인 / 주소	Carrier Blackman & Associates, P.C.
인용정보	피인용 횟수 : 1 인용 특허 : 5

초록

Untreated bosses are formed in advance in two directions on a cylinder mechanism. The bosses on one side are formed as mounts to attach a motor cylinder device to a vehicle body, and the other bosses are formed as ports to connect to the cylinder mechanism. The mount bosses are formed on the outside in the width direction of the vehicle, and the port bosses are formed on the inside in the width direction of the vehicle.

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1. An electric brake actuator for a vehicle brake-by-wire system including an input device to which braking operation by an operator is input and the electric brake actuator provided for generating a hydraulic brake pressure, based on at least an electric signal according to the braking operation, wherein the electric brake actuator comprises:an actuator mechanism configured to generate a driving force, based on the electric signal, the actuator mechanism comprising, proximate a center of gravity of the electric brake actuator, a first mount portion for use in attaching the electric brake actuator to a vehicle body; anda cylinder mechanism separate from said input device and configured to apply a pressure to brake fluid by moving a piston along an axial direction by the driving force transmitted from the actuator mechanism,wherein the cylinder mechanism is in advance provided with a plurality of unprocessed bosses;wherein a first one of the bosses is configured as a second mount portion for use in attaching the electric brake actuator to the vehicle body, and a second one of the bosses, disposed on a side of the cylinder mechanism substantially opposite from, and aligned with the first one of the bosses, is configured as at least one port for fluidly communicating with the cylinder mechanism;wherein the second mount portion comprises a boss having a hollow cylindrical bore formed therein, and wherein a rubber bush and a cylindrical collar are provided for coaxial placement in the hollow bore. 2. The electric brake actuator according to claim 1, wherein bosses for processing into the at least one port are provided on opposite sides of the cylinder mechanism. 3. The electric brake actuator according to claim 2, wherein the boss for the second mount portion is provided on an outer side with respect to the vehicle transverse direction, and wherein bosses for the at least one port are provided on an inner side with respect to a transverse direction of the vehicle body. 4. The electric brake actuator according to claim 1, wherein bosses to be processed into the at least one port are formed upward and downward along a vertical direction. 5. The electric brake actuator according to claim 1, wherein an input port to which the brake fluid is input and an output port from which the brake fluid is output are formed at the same boss. 6. The electric brake actuator according to claim 1, wherein the actuator mechanism comprises a housing removably attached to the cylinder mechanism, the housing having left, right, and lower mount holes formed therein which define the first mount portion, and wherein an annular rubber bushing is provided for insertion in each of the left, right, and lower mount holes. 7. An electric brake actuator for a vehicle brake-by-wire system including an input device to which braking operation by an operator is input, the electric brake actuator provided for generating a hydraulic brake pressure based on at least an electric signal according to the braking operation, the electric brake actuator comprising: an actuator mechanism configured to generate a driving force, based on the electric signal, the actuator mechanism comprising an electric motor, and a driving force transmission section including, proximate a center of gravity of the electric brake actuator, a first mount portion for use in attaching the electric brake actuator to a vehicle body;a cylinder mechanism separate from said input device and configured to apply a pressure to brake fluid by moving a piston along an axial direction by the driving force transmitted from the actuator mechanism, the driving force transmission section interconnecting the electric motor and the cylinder mechanism,wherein the cylinder mechanism is provided with a plurality of bosses, including first and third bosses configured as a second mount portion for use in attaching the electric brake actuator to the vehicle body, and second and fourth bosses, disposed on a side of the cylinder mechanism substantially opposite from, and aligned with the first and third bosses, respectively, the second and fourth bosses configured as ports for fluidly communicating with the cylinder mechanism;wherein each of the second mount portions comprises a boss having a hollow cylindrical bore formed therein, and wherein a rubber bush and a cylindrical collar are provided for coaxial placement in each of the the hollow bores, respectively. 8. The electric brake actuator according to claim 7, wherein the boss for the second mount portion is provided on an outer side with respect to the vehicle transverse direction, and wherein bosses for the ports are provided on an inner side with respect to a transverse direction of the vehicle body. 9. The electric brake actuator according to claim 7, wherein bosses to be processed into the ports are formed upward and downward along a vertical direction. 10. The electric brake actuator according to claim 7, wherein an input port to which the brake fluid is input and an output port from which the brake fluid is output are formed at the same boss. 11. The electric brake actuator according to claim 7, wherein the actuator mechanism comprises a housing removably attached to the cylinder mechanism, the housing having left, right, and lower mount holes formed therein which define the first mount portion, and wherein an annular rubber bushing is provided for insertion in each of the left, right, and lower mount holes. 12. A vehicle having a brake-by-wire system comprising a master cylinder configured to receive a braking operation, and an electric brake actuator provided for generating a hydraulic brake pressure, based on at least an electric signal according to the braking operation, the electric brake actuator comprising: an actuator mechanism configured to generate a driving force, based on the electric signal, the actuator mechanism comprising, proximate a center of gravity of the electric brake actuator, a first mount portion operativly attaching the electric brake actuator to a vehicle body; anda cylinder mechanism separate from said input device and configured to apply a pressure to brake fluid by moving a piston along an axial direction by the driving force transmitted from the actuator mechanism, wherein the cylinder mechanism is in advance provided with a plurality of unprocessed bosses;and wherein a first one of the bosses is configured as a second mount portion attaching the electric brake actuator to the vehicle body, and a second one of the bosses, disposed on a side of the cylinder mechanism substantially opposite from, and aligned with the first one of the bosses, is configured as at least one port for fluidly communicating with the cylinder mechanism.

이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 1

Kobayashi, Nobuyuki; Satou, Shinji. Device mounting structure. USP20180810054138.

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특허 상세정보

Vehicle-body attachment structure for electric brake actuator

초록

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이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 1

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특허 상세정보

Vehicle-body attachment structure for electric brake actuator

초록

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이 특허에 인용된 특허 (5)

이 특허를 인용한 특허 피인용횟수: 1

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상세정보조회

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IPC 상세정보(version : 201201)

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