KR102816318B1 - 유압 작동식 듀얼 클러치의 중첩 변속을 제어하기 위한 방법 - Google Patents
유압 작동식 듀얼 클러치의 중첩 변속을 제어하기 위한 방법 Download PDFInfo
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- KR102816318B1 KR102816318B1 KR1020227045358A KR20227045358A KR102816318B1 KR 102816318 B1 KR102816318 B1 KR 102816318B1 KR 1020227045358 A KR1020227045358 A KR 1020227045358A KR 20227045358 A KR20227045358 A KR 20227045358A KR 102816318 B1 KR102816318 B1 KR 102816318B1
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
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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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/14—Inputs being a function of torque or torque demand
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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
- F16H59/00—Control inputs to control units of change-speed- or reversing-gearings for conveying rotary motion
- F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
- F16H59/56—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the main clutch
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefor
- F16H61/0031—Supply of control fluid; Pumps therefor using auxiliary pumps, e.g. pump driven by a different power source than the engine
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
- F16H61/684—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive
- F16H61/688—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings without interruption of drive with two inputs, e.g. selection of one of two torque-flow paths by clutches
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0215—Control by fluid pressure for damping of pulsations within the fluid system
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
- F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
- F16D2048/0236—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation with multiple independent pumps, e.g. one per clutch, or for supplying fluid to different systems
- F16D2048/0242—Two or more rotating pumps driven together by the same power source, e.g. connected by a shaft, or a single pump having two or more fluid outputs
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H2061/0037—Generation or control of line pressure characterised by controlled fluid supply to lubrication circuits of the gearing
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
- F16H2061/062—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means for controlling filling of clutches or brake servos, e.g. fill time, fill level or pressure during filling
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe ; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Transmission Device (AREA)
Abstract
Description
도 1은 듀얼 클러치를 작동하기 위한 유압 유닛을 개략적으로 도시한 유압 회로도를 도시하고,도 2는 도 1의 유압 유닛의 압력 제어 밸브를 나타낸 개략도를 도시하며, 그리고 도 3은 시간에 따른 중첩 변속을 나타낸 다이어그램을 도시한다.
2: 마찰 클러치
3: 마찰 클러치
4: 펌프 유닛
5: 텐덤 펌프
6: 섬프
7: 필터 유닛
8: 펌프부
9: 냉각 라인
10: 열교환기
11: 구성 요소
12: 펌프부
13: 시스템 압력 라인
14: 압력 제어 밸브
15: 압력 라인
16: 압력 라인
17: 슬레이브 실린더
18: 슬레이브 실린더
19: 압력 제어 밸브
20: 압력 제어 밸브
21: 체크 밸브
22: 체크 밸브
23: 구성 요소
24: 압력 센서
25: 압력 센서
26: 화살표
27: 화살표
28: 이중 화살표
29: 제어 피스톤
30: 제어 에지
31: 제어 에지
100: 다이어그램
101: 회전 속도 곡선
102: 회전 속도 곡선
103: 회전 속도 곡선
104: 모멘트 곡선
105: 모멘트 곡선
106: 모멘트 곡선
107: 모멘트 곡선
108: 흐름 곡선
109: 흐름 곡선
110: 흐름 곡선
111: 흐름 곡선
112: 흐름 곡선
113: 흐름 곡선
114: 회전 속도 곡선
115: 압력 곡선
116: 압력 곡선
117: 압력 곡선
118: 경로 곡선
119: 경로 곡선
A: 단계
B: 단계
F(C): 복귀력
F(M): 자력
i: 밸브 흐름
i(F): 밸브 흐름
i(14): 밸브 흐름
i(14,F): 밸브 흐름
i(19): 밸브 흐름
i(19,F): 밸브 흐름
i(20): 밸브 흐름
i(20,F): 밸브 흐름
M: 모멘트
M(K1,ist): 실제 모멘트
M(K1,soll): 목표 모멘트
M(K2,ist): 실제 모멘트
M(K2,soll): 목표 모멘트
N: 회전 속도
n(GE1): 회전 속도
n(GE2): 회전 속도
n(M): 회전 속도
N(p): 펌프 회전 속도
P: 압력
p(K1): 클러치 압력
p(K2): 클러치 압력
p(s): 시스템 압력
s: 경로
s(19): 위치
s(19,): 위치
s(20): 위치
t: 시간
t1: 시점
t2: 시점
t3: 시점
Δt(A): 시간 간격
Δt(B): 시간 간격
Claims (10)
- 유압 작동식 듀얼 클러치의 중첩 변속을 제어하기 위한 방법으로서, 각각의 슬레이브 실린더(17, 18)에 의해 작동되고 압력 없이 체결 해제되는 2개의 마찰 클러치(2, 3)를 구비하고, 전기 작동식 펌프 유닛(4)과 이 펌프 유닛의 하류에 배치된 제1 압력 제어 밸브(14)에 의해 시스템 압력(p(s))이 설정되고, 상기 제1 압력 제어 밸브(14)와 상기 슬레이브 실린더(17, 18)들 사이에, 하류에 배치된 압력 센서(24, 25)를 갖는 각각의 제2 압력 제어 밸브(19, 20)가 배치되어 있으며, 그리고 상기 마찰 클러치(2, 3)들의 중첩 변속이 체결된 제1 마찰 클러치(2, 3)에 할당된 제1 슬레이브 실린더(17, 18)의 중첩되는 압력 경감과 체결 해제된 제2 마찰 클러치(3, 2)에 할당된 제2 슬레이브 실린더(18, 17)의 압력 하중에 의해 수행되는 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법에 있어서,상기 중첩 변속의 제1 단계(A)에서 상기 시스템 압력(p(s))이 증가하고, 상기 중첩 변속의 제2 단계(B)에서 상기 시스템 압력(p(s))이 기설정된, 기본적으로 일정한 음압 또는 양압 구배 내에서 기설정되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제1항에 있어서, 상기 제1 단계(A)의 시작 시, 시스템 압력 라인(13)과 냉각 라인(9) 사이에 배치된 제1 압력 제어 밸브(14)가 완전히 폐쇄되고, 상기 펌프 유닛(4)의 펌프 속도(n(p))가 낮아지는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제2항에 있어서, 상기 제1 단계(A)의 시작 시, 상기 제1 마찰 클러치(2)에 할당된 상기 제2 압력 제어 밸브(19) 및 체크 밸브(21)에 의해 증가하는 시스템 압력(p(s))에 의해 상기 제1 마찰 클러치(2)가 폐쇄된 상태로 유지되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제2항 또는 제3항에 있어서, 상기 제1 단계(A)에서 상기 시스템 압력(p(s)) 감소 후, 상기 제2 마찰 클러치(3)에 할당된 상기 제2 압력 제어 밸브(20)가 개방되고, 상기 제2 슬레이브 실린더(18)가 압력 매체로 충전되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제4항에 있어서, 상기 제2 슬레이브 실린더(18)가 충전된 후 상기 제2 단계(B)의 시작 시, 상기 제2 마찰 클러치에 할당된 상기 제2 압력 제어 밸브(20)가 폐쇄되고, 상기 시스템 압력(p(s))이 증가하는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제2항 또는 제3항에 있어서, 상기 제2 단계(B)에서 상기 제1 마찰 클러치(2)에 할당된 상기 제2 압력 제어 밸브(19)가 슬레이브 실린더(17) 방향으로 폐쇄되고 섬프(6) 방향으로 개방되도록 설정되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 마찰 클러치(2, 3)들을 통해 전달될 수 있는 토크가 상기 제1 압력 제어 밸브(14)에 의해 설정되고 목표 토크(M(K1, soll), M( K2,soll))에 따라 설정되는 시스템 압력(p(s))에 의해 설정되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 각각의 체결된 마찰 클러치(2, 3)를 통해 전달되는 토크가 관련된 상기 슬레이브 실린더(17, 18)의 가압에 의해 제공되고, 상기 슬레이브 실린더(17, 18)에 인가되는 클러치 압력(p(K1), p(K2))은 체크 밸브(21, 22)에 의해 유지되며, 그리고 상기 슬레이브 실린더(17, 18)로 이어지는 후속 압력 라인(15, 16)에서의 누출이 각각의 제2 압력 제어 밸브(19, 20)에 의한 압력 제어에 의해 제어되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
- 제9항에 있어서, 상기 클러치 압력(p(K1), p(K2))이 상기 압력 센서(24, 25)에 의해 검출되고, 상기 압력 센서에 의해 검출된 압력값들에 의해 제어 유닛에 특성 곡선을 사용하여 상기 마찰 클러치(2, 3)들을 통해 전달될 수 있는 토크값들이 할당되는 것을 특징으로 하는, 유압 작동식 듀얼 클러치의 중첩 변속 제어 방법.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020117949.9 | 2020-07-08 | ||
| DE102020117949 | 2020-07-08 | ||
| DE102020120988.6 | 2020-08-10 | ||
| DE102020120988.6A DE102020120988B3 (de) | 2020-07-08 | 2020-08-10 | Verfahren zur Steuerung einer Überschneidungsschaltung einer hydraulisch betätigten Doppelkupplung |
| PCT/DE2021/100523 WO2022007992A1 (de) | 2020-07-08 | 2021-06-17 | Verfahren zur steuerung einer überschneidungsschaltung einer hydraulisch betätigten doppelkupplung |
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| Publication Number | Publication Date |
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| KR20230015454A KR20230015454A (ko) | 2023-01-31 |
| KR102816318B1 true KR102816318B1 (ko) | 2025-06-05 |
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| Country | Link |
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| KR (1) | KR102816318B1 (ko) |
| CN (1) | CN115768993B (ko) |
| DE (1) | DE102020120988B3 (ko) |
| WO (1) | WO2022007992A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021126182A1 (de) | 2020-12-14 | 2022-06-15 | Schaeffler Technologies AG & Co. KG | Hydraulikanordnung und elektrisch betreibbarer, mehrgängiger Achsantriebsstrang |
| DE102022133400B4 (de) * | 2022-12-15 | 2024-06-27 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung einer Hydraulikanordnung |
| DE102023105335A1 (de) | 2023-03-03 | 2024-09-05 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung einer Koppelvorrichtung, Verfahren zur Kupplungsbetätigung und Antriebsstrangvorrichtung |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160308A1 (de) | 2001-01-12 | 2002-07-18 | Zf Sachs Ag | Verfahren zum Betrieb eines eine Mehrfach-Kupplungseinrichtung und ein Lastschaltgetriebe aufweisenden Antriebsstrangs und derartiger Antriebsstrang mit entprechender Steuereinheit |
| DE102013008740A1 (de) | 2013-05-23 | 2014-11-27 | Audi Ag | Verfahren für ein Hydrauliksystem für ein Doppelkupplungsgetriebe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3917243A1 (de) | 1989-05-26 | 1990-11-29 | Getrag Getriebe Zahnrad | Einrichtung zur druckoelversorgung von lastschaltgetrieben |
| DE102006042393A1 (de) * | 2006-09-08 | 2008-03-27 | Zf Friedrichshafen Ag | Kraftfahrzeug-Antriebsstrang und sich auf eine Druckmedium-Aktuatorenanordnung insbesondere eines Getriebes oder einer Kupplungseinrichtung beziehendes Betätigungsverfahren |
| DE102007056175B4 (de) | 2007-11-21 | 2010-02-04 | Getrag Ford Transmissions Gmbh | Verfahren zum Befüllen eines Kupplungszylinders eines hydraulisch betätigbaren Kupplungssystems |
| DE102011117488B4 (de) * | 2011-10-26 | 2013-05-23 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Kraftfahrzeugantriebsstrang und Hydraulikkreis dafür mit einer drehzahlveränderlichen Pumpe |
| DE112014005597A5 (de) | 2013-12-09 | 2016-11-03 | Schaeffler Technologies AG & Co. KG | Hydraulikanordnung für Doppelkupplung sowie Verfahren zumAnsteuern oder Kühlen der Doppelkupplung |
| DE102015210877A1 (de) | 2015-06-15 | 2016-12-15 | Schaeffler Technologies AG & Co. KG | Hydraulikschaltung für Doppelkupplungen auf Basis einer Widerstandssteuerung |
| DE102016208915A1 (de) * | 2016-05-24 | 2017-11-30 | Schaeffler Technologies AG & Co. KG | Verfahren zur Bestimmung eines Verschleißzustandes einer Reibungskupplung |
| DE102016210340B4 (de) * | 2016-06-10 | 2022-05-19 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung eines Doppelkupplungsgetriebes |
| CN110691921B (zh) * | 2017-05-30 | 2021-10-15 | 舍弗勒技术股份两合公司 | 用于调设液压执行设施的运行点的方法 |
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2020
- 2020-08-10 DE DE102020120988.6A patent/DE102020120988B3/de active Active
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2021
- 2021-06-17 KR KR1020227045358A patent/KR102816318B1/ko active Active
- 2021-06-17 WO PCT/DE2021/100523 patent/WO2022007992A1/de not_active Ceased
- 2021-06-17 CN CN202180043681.8A patent/CN115768993B/zh active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10160308A1 (de) | 2001-01-12 | 2002-07-18 | Zf Sachs Ag | Verfahren zum Betrieb eines eine Mehrfach-Kupplungseinrichtung und ein Lastschaltgetriebe aufweisenden Antriebsstrangs und derartiger Antriebsstrang mit entprechender Steuereinheit |
| DE102013008740A1 (de) | 2013-05-23 | 2014-11-27 | Audi Ag | Verfahren für ein Hydrauliksystem für ein Doppelkupplungsgetriebe |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022007992A1 (de) | 2022-01-13 |
| CN115768993A (zh) | 2023-03-07 |
| DE102020120988B3 (de) | 2021-11-04 |
| KR20230015454A (ko) | 2023-01-31 |
| CN115768993B (zh) | 2025-02-14 |
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