KR102634689B1 - 토크 오버레이 조향 장치 - Google Patents
토크 오버레이 조향 장치 Download PDFInfo
- Publication number
- KR102634689B1 KR102634689B1 KR1020180163085A KR20180163085A KR102634689B1 KR 102634689 B1 KR102634689 B1 KR 102634689B1 KR 1020180163085 A KR1020180163085 A KR 1020180163085A KR 20180163085 A KR20180163085 A KR 20180163085A KR 102634689 B1 KR102634689 B1 KR 102634689B1
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- KR
- South Korea
- Prior art keywords
- steering
- gear
- shaft
- axis
- rotation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0442—Conversion of rotational into longitudinal movement
- B62D5/0454—Worm gears
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0409—Electric motor acting on the steering column
- B62D5/0412—Electric motor acting on the steering column the axes of motor and steering column being parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0409—Electric motor acting on the steering column
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/02—Steering gears mechanical
- B62D3/04—Steering gears mechanical of worm type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D3/00—Steering gears
- B62D3/14—Steering gears hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0403—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by constructional features, e.g. common housing for motor and gear box
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
- B62D5/22—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for rack-and-pinion type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/20—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application
- B62D5/24—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle specially adapted for particular type of steering gear or particular application for worm type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/203—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with non-parallel axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Power Steering Mechanism (AREA)
- Gear Transmission (AREA)
Abstract
Description
도 1은 본 개시에 따른 토크 오버레이 조향 장치의 단면 사시도이다.
도 2는 도 1의 토크 오버레이 조향 장치의 단면 평면도이다.
도 3은 도 1의 토크 오버레이 조향 장치의 일부에 대한 단면도로서, 웜 스크류와 웜 휠 사이의 결합을 나타내고 있다.
도 4는 도 1의 토크 오버레이 조향 장치를 구비한 차량의 개략도이다.
Claims (13)
- 조향 시스템 내의 조향 샤프트의 회전을 돕기 위한 조향 장치로서,
구동 샤프트 축선을 중심으로 회전하는 구동 샤프트를 갖춘 모터;
출력 샤프트 축선을 중심으로 회전하는 출력 샤프트로서, 상기 출력 샤프트 축선은 구동 샤프트 축선에 대해 평행하게 연장되며, 상기 출력 샤프트는 조향 샤프트와 함께 회전하도록 연결되는 것인 출력 샤프트;
모터를 출력 샤프트에 구동 가능하게 연결시키는 기어 트레인으로서, 웜 스크류(worm screw) 및 웜 휠(worm wheel)을 포함하는 것인 기어 트레인
을 포함하고,
상기 기어 트레인은, 구동 샤프트 상에 마련되고 상기 모터에 의해 상기 구동 샤프트 축선을 중심으로 회전 가능한 제1 기어, 및 제1 기어에 의해 구동되고 제1 기어의 회전을 상기 웜 스크류에 전달하기 위해 상기 웜 스크류와 함께 회전 가능한 제2 기어를 더 포함하는 것인, 조향 장치. - 제1항에 있어서, 상기 제2 기어는 구동 샤프트 축선에 대해 수직하게 연장되는 축선을 중심으로 회전하는 것인 조향 장치.
- 제1항에 있어서, 상기 제1 기어 및 상기 제2 기어는 베벨 기어인 것인 조향 장치.
- 제1항에 있어서, 상기 웜 스크류는 제2 기어의 회전 축선을 중심으로 회전하는 것인 조향 장치.
- 제1항에 있어서,
제2 기어의 회전을 웜 스크류에 전달하는 샤프트
를 더 포함하는 조향 장치. - 제5항에 있어서, 제2 기어의 회전을 웜 스크류에 전달하는 상기 샤프트는 제2 기어의 회전 축선을 따라 연장되는 것인 조향 장치.
- 제6항에 있어서, 상기 제2 기어의 회전 축선은 구동 샤프트 축선 및 출력 샤프트 축선에 대해 수직인 것인 조향 장치.
- 제1항에 있어서, 상기 웜 휠은 출력 샤프트와 동심인 것인 조향 장치.
- 제1항에 있어서, 상기 조향 샤프트는 조향 휠을 조향 시스템에 연결시키며, 제어기가 조향 휠의 회전을 탐지하고, 조향 휠의 회전을 탐지하는 제어기에 응답하여 구동 샤프트를 회전시키도록 모터에 동력이 공급되는 것인 조향 장치.
- 제1항에 있어서, 상기 기어 트레인의 감속비는 적어도 40:1인 것인 조향 장치.
- 제1항에 있어서, 상기 조향 시스템은 파워 스티어링 시스템인 것인 조향 장치.
- 제11항에 있어서, 상기 파워 스티어링 시스템은 유압식인 것인 조향 장치.
- 제11항에 있어서, 상기 제2 기어 및 웜 스크류는 전달 샤프트의 대향하는 단부에 구비되는 것인 조향 장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/851,855 US10793183B2 (en) | 2017-12-22 | 2017-12-22 | Torque overlay steering apparatus |
US15/851,855 | 2017-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20190076863A KR20190076863A (ko) | 2019-07-02 |
KR102634689B1 true KR102634689B1 (ko) | 2024-02-06 |
Family
ID=64661183
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020180163085A Active KR102634689B1 (ko) | 2017-12-22 | 2018-12-17 | 토크 오버레이 조향 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10793183B2 (ko) |
EP (1) | EP3501943B1 (ko) |
JP (1) | JP2019112046A (ko) |
KR (1) | KR102634689B1 (ko) |
CN (1) | CN109955896B (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US10793183B2 (en) * | 2017-12-22 | 2020-10-06 | Trw Automotive U.S. Llc | Torque overlay steering apparatus |
US10800446B2 (en) * | 2018-05-01 | 2020-10-13 | Ford Global Technologies, Llc | Methods and apparatus to modify steering assist of a hydraulic power steering system |
CN110466599B (zh) * | 2019-09-25 | 2023-11-03 | 吉林大学 | 一种用于电动轮驱动汽车的转向机构与悬架集成的线控转向机构及其控制方法 |
US11780491B2 (en) * | 2019-11-25 | 2023-10-10 | Steering Solutions Ip Holding Corporation | Electric recirculating ball power steering system |
EP4253194A1 (en) | 2022-03-29 | 2023-10-04 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Electric power supply system for a vehicle and method for controlling at least one consumer unit of such electric power supply system |
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- 2018-12-12 JP JP2018232157A patent/JP2019112046A/ja active Pending
- 2018-12-12 CN CN201811515806.9A patent/CN109955896B/zh not_active Expired - Fee Related
- 2018-12-17 KR KR1020180163085A patent/KR102634689B1/ko active Active
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Also Published As
Publication number | Publication date |
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EP3501943B1 (en) | 2021-07-07 |
JP2019112046A (ja) | 2019-07-11 |
EP3501943A1 (en) | 2019-06-26 |
CN109955896B (zh) | 2022-07-29 |
US20190193777A1 (en) | 2019-06-27 |
CN109955896A (zh) | 2019-07-02 |
KR20190076863A (ko) | 2019-07-02 |
US10793183B2 (en) | 2020-10-06 |
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