KR100774667B1 - Hybrid power train structure for a hybrid vehicle - Google Patents

Hybrid power train structure for a hybrid vehicle Download PDF

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KR100774667B1
KR100774667B1 KR1020060101121A KR20060101121A KR100774667B1 KR 100774667 B1 KR100774667 B1 KR 100774667B1 KR 1020060101121 A KR1020060101121 A KR 1020060101121A KR 20060101121 A KR20060101121 A KR 20060101121A KR 100774667 B1 KR100774667 B1 KR 100774667B1
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South Korea
Prior art keywords
clutch
motor
rotor
engine
input shaft
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KR1020060101121A
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Korean (ko)
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윤주웅
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현대자동차주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

A structure of a hybrid powertrain is provided to absorb and buffer the high initial torque by engaging a rotor clutch while an impeller clutch and an engine clutch is disengaged to deliver the torque to an impeller from which the rotational force is passed to a turbine of a torque converter and absorbed, thereby preventing impact from being generated in the powertrain during the initial departure or in a creep drive. A structure of a hybrid powertrain comprises an impeller clutch(7) installed to connect or cut off the power between a case(3) of a torque converter(1) and an impeller(5), an engine clutch(15) connecting or disconnecting a rotor(13) of a motor(11) to a turbine(9) of the torque converter, and a rotor clutch(17) connecting or disconnecting the impeller to the rotor of the motor. The rotor clutch is disposed in an inner space of the rotor of the motor.

Description

하이브리드 파워트레인 구조{hybrid power train structure for a hybrid vehicle}Hybrid power train structure for a hybrid vehicle

도 1은 종래 기술에 의한 하이브리드 파워트레인의 구조를 설명한 도면,1 is a view for explaining the structure of a hybrid powertrain according to the prior art,

도 2는 본 발명에 따른 하이브리드 파워트레인 구조를 도시한 도면이다.2 is a diagram illustrating a hybrid powertrain structure according to the present invention.

<도면의 주요 부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

1; 엔진 3; 변속기구One; Engine 3; Gearbox

5; 회전관성체 7; 제1클러치5; Rotary inertia 7; First clutch

9; 로터 11; 스테이터9; Rotor 11; Stator

13; 모터 15; 제2클러치13; Motor 15; Second clutch

17; 케이스 19; 제3클러치17; Case 19; 3rd clutch

본 발명은 하이브리드 파워트레인 구조에 관한 것으로서, 보다 상세하게는 모터와 엔진을 이용하는 하이브리드 파워트레인의 탑재성을 향상시킬 수 있도록 하는 기술에 관한 것이다.The present invention relates to a hybrid powertrain structure, and more particularly, to a technique for improving the mountability of a hybrid powertrain using a motor and an engine.

도 1은 종래의 하이브리드 파워트레인 구조의 일 예를 도시한 것으로서, 엔 진(500)의 출력은 토크컨버터(502)의 케이스를 통해 토크컨버터(502)의 임펠러로 전달되고, 터빈은 엔진클러치(504)를 통하여 모터(506)의 로터에 연결되고, 모터(506)의 로터는 변속기구(508)의 입력축으로 연결되며, 상기 모터(506)와 엔진의 구동과 무관하게 유압을 발생시킬 수 있는 외장형오일펌프(510)가 구비되어 상기 변속기구(508)를 제어하는 데에 필요한 유압을 공급할 수 있도록 되어 있다.1 shows an example of a conventional hybrid powertrain structure, the output of the engine 500 is transmitted to the impeller of the torque converter 502 through the case of the torque converter 502, the turbine is the engine clutch ( 504 is connected to the rotor of the motor 506, the rotor of the motor 506 is connected to the input shaft of the transmission mechanism 508, and can generate hydraulic pressure irrespective of driving of the motor 506 and the engine. An external oil pump 510 is provided to supply hydraulic pressure necessary to control the transmission mechanism 508.

상기한 바와 같이 구성된 하이브리드 파워트레인은 상기한 바와 같이 엔진(500)과 토크컨버터(502)와 모터(506) 및 변속기구(508)가 차례로 배치되어 전체 길이가 길어짐에 따라 차량에의 탑재성이 떨어지고, 상기와 같이 비교적 동력전달효율이 떨어지는 토크컨버터(502)를 사용함에 의해 파워트레인 전체의 효율이 떨어지게 되는 문제점이 있다.As described above, the hybrid powertrain configured as described above has the engine 500, the torque converter 502, the motor 506, and the transmission mechanism 508 arranged in this order, and as a result, the mountability of the vehicle is increased. There is a problem that the efficiency of the entire power train is reduced by using the torque converter 502, which falls, and the relatively low power transmission efficiency as described above.

본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로서, 토크컨버터를 사용하지 않아서 파워트레인의 효율 저하를 방지하고, 보다 짜임새 있는 구성으로 파워트레인의 길이를 축소할 수 있도록 함으로써, 하이브리드 파워트레인의 차량에의 탑재성을 향상시킬 수 있도록 한 하이브리드 파워트레인 구조를 제공함에 그 목적이 있다.The present invention has been made to solve the problems described above, by using a torque converter to prevent the power train efficiency is reduced, by reducing the length of the power train in a more textured configuration, hybrid power train It is an object of the present invention to provide a hybrid powertrain structure that can improve the mountability of a vehicle.

상기한 바와 같은 목적을 달성하기 위한 본 발명 하이브리드 파워트레인 구조는Hybrid powertrain structure of the present invention for achieving the above object is

엔진과 변속기구 사이에 위치하고 상기 엔진의 출력축에 연결된 회전관성체 와;A rotational inertia positioned between the engine and the transmission mechanism and connected to the output shaft of the engine;

상기 회전관성체와 상기 변속기구의 입력축 사이에 동력을 연결 및 차단할 수 있도록 구비된 제1클러치와;A first clutch provided to connect and block power between the rotary inertia and the input shaft of the transmission mechanism;

상기 변속기구의 입력축에 로터가 연결되고 스테이터가 상기 입력축에 대하여 회전 가능하게 설치된 모터와;A motor connected to an input shaft of the transmission mechanism and a stator rotatably installed with respect to the input shaft;

상기 모터의 스테이터와 상기 회전관성체 사이에 동력을 연결 및 차단할 수 있도록 설치된 제2클러치와;A second clutch installed to connect and block power between the stator of the motor and the rotational inertia;

상기 입력축을 회전 가능하게 지지하며 고정된 케이스와;A case fixed to rotatably support the input shaft;

상기 케이스와 상기 모터의 스테이터 사이에 설치되어 상기 스테이터의 회전 가능상태를 전환할 수 있도록 구비된 제3클러치;A third clutch installed between the case and the stator of the motor and provided to switch the rotatable state of the stator;

를 포함하여 구성된 것을 특징으로 한다.Characterized in that configured to include.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2를 참조하면, 본 발명 실시예는 엔진(1)과 변속기구(3) 사이에 위치하고 상기 엔진(1)의 출력축에 연결된 회전관성체(5)와; 상기 회전관성체(5)와 상기 변속기구(3)의 입력축 사이에 동력을 연결 및 차단할 수 있도록 구비된 제1클러치(7)와; 상기 변속기구(3)의 입력축에 로터(9)가 연결되고 스테이터(11)가 상기 입력축에 대하여 회전 가능하게 설치된 모터(13)와; 상기 모터(13)의 스테이터(11)와 상기 회전관성체(5) 사이에 동력을 연결 및 차단할 수 있도록 설치된 제2클러치(15)와; 상기 입력축을 회전 가능하게 지지하며 고정된 케이스(17)와; 상기 케이스(17)와 상기 모터(13)의 스테이터(11) 사이에 설치되어 상기 스테이터(11)의 회전 가능상태를 전환할 수 있도록 구비된 제3클러치(19)를 포함하여 구성된다.2, an embodiment of the present invention includes a rotary inertia (5) located between the engine (1) and the transmission mechanism (3) and connected to the output shaft of the engine (1); A first clutch (7) provided to connect and disconnect power between the rotary inertia (5) and the input shaft of the transmission mechanism (3); A motor 13 connected to an input shaft of the transmission mechanism 3 and a stator 11 rotatably installed with respect to the input shaft; A second clutch (15) installed to connect and disconnect power between the stator (11) of the motor (13) and the rotary inertia (5); A case 17 rotatably supporting the input shaft; And a third clutch 19 installed between the case 17 and the stator 11 of the motor 13 to switch the rotatable state of the stator 11.

상기 케이스(17)는 상기 모터(13)와, 회전관성체(5)와, 제1클러치(7)와, 제2클러치(15) 및 제3클러치(19)를 내부에 감싸는 형상으로 구비되며, 상기 케이스(17)와 상기 모터(13)의 스테이터(11)는 베어링을 통하여 상기 입력축에 회전 가능하게 지지된 구조이다.The case 17 is provided in a shape surrounding the motor 13, the rotary inertia 5, the first clutch 7, the second clutch 15 and the third clutch 19. The case 17 and the stator 11 of the motor 13 are rotatably supported on the input shaft through a bearing.

또한, 상기 제1클러치(7)와 제2클러치(15) 및 제3클러치(19)는 모두 습식다판식클러치를 사용하여 구성하였으며, 도시된 바와 같이 상기 제2클러치(15)는 제1클러치(7)의 외측에 중첩되고, 상기 제3클러치(19)는 상기 제2클러치(15)의 외측에 중첩되도록 배치하여 파워트레인의 길이를 축소할 수 있도록 하였다.In addition, the first clutch 7, the second clutch 15, and the third clutch 19 are all configured by using a wet multi-plate clutch, and as illustrated, the second clutch 15 is a first clutch. Overlaid on the outside of (7), the third clutch 19 is arranged to overlap the outside of the second clutch 15 to reduce the length of the power train.

상기한 바와 같이 구성된 파워트레인은 우선 종래의 토크컨버터를 사용하지 않으므로, 토크컨버터에서 발생하는 동력전달효율의 저하가 배제되며, 엔진(1)과 변속기구(3)에 이르는 전체 길이가 비교적 짧아져서 차량에의 탑재성이 크게 향상된다.Since the power train configured as described above does not use a conventional torque converter, the reduction in power transmission efficiency generated in the torque converter is eliminated, and the overall length to the engine 1 and the transmission mechanism 3 is relatively short. The mountability to the vehicle is greatly improved.

상기한 바와 같이 구성된 하이브리드 파워트레인의 작용을 간단히 살펴보면 다음과 같다.Looking briefly at the operation of the hybrid powertrain configured as described above are as follows.

상기 제1클러치(7)와 제2클러치(15)는 해제된 상태로 하고 상기 제3클러치(19)를 체결한 상태에서, 상기 모터(13)를 구동하면, 상기 스테이터(11)는 고정되고 로터(9)는 상기 변속기구(3)의 입력축을 회전시키며, 상기와 같은 로터(9)의 회전력은 상기 제1클러치(7) 및 제2클러치(15)에 의해 차단되어 엔진(1)으로 전달되지 않는 전기차모드가 구현된다.When the first clutch 7 and the second clutch 15 are in a released state and the third clutch 19 is engaged, when the motor 13 is driven, the stator 11 is fixed. The rotor 9 rotates the input shaft of the transmission mechanism 3, and the rotational force of the rotor 9 as described above is blocked by the first clutch 7 and the second clutch 15 to the engine 1. An electric vehicle mode that is not transmitted is implemented.

상기와 같은 전기차모드에서 상기 제1클러치(7)를 체결하고 제2클러치(15)는 해제된 상태를 유지하며 제3클러치(19)는 체결된 상태를 유지하면, 상기 변속기구(3) 입력축의 회전력은 상기 제1클러치(7)를 통해 상기 회전관성체(5)를 회전시켜서, 상기 회전관성체(5)에 연결된 엔진(1)을 시동시킬 수 있게 된다.In the electric vehicle mode as described above, when the first clutch 7 is fastened, the second clutch 15 is kept in the released state, and the third clutch 19 is in the fastened state, the transmission mechanism 3 input shaft The rotational force of the rotating the rotary inertial body 5 through the first clutch (7), it is possible to start the engine (1) connected to the rotary inertial body (5).

이와 같은 상태에서, 엔진(1)의 시동이 완료되어 엔진(1)으로부터 상기 제1클러치(7)를 통해 상기 변속기구(3)의 입력축으로 동력이 전달되면, 모터(13)를 함께 작동시켜서 하이브리드모드를 구현할 수 있고, 모터(13)는 정지시켜서 엔진만에 의한 엔진모드의 구현도 가능하다.In this state, when the start of the engine 1 is completed and power is transmitted from the engine 1 to the input shaft of the transmission mechanism 3 through the first clutch 7, the motor 13 is operated together. The hybrid mode can be implemented, and the motor 13 can be stopped to implement the engine mode only by the engine.

또한, 상기 제1클러치(7)와 제3클러치(19)를 체결하고 상기 제2클러치(15)를 해제한 상태에서는 엔진(1)에서 제공되는 동력으로 상기 입력축이 회전되면서 상기 모터(13)의 로터(9)를 구동시키므로, 상기 모터(13)로 발전을 하여 배터리를 충전시킬 수도 있다.In addition, in the state in which the first clutch 7 and the third clutch 19 are fastened and the second clutch 15 is released, the input shaft is rotated by the power provided from the engine 1 and the motor 13 is rotated. Since the rotor 9 is driven, the motor 13 can generate electricity to charge the battery.

이상과 같이 본 발명에 의하면, 토크컨버터를 사용하지 않아서 파워트레인의 효율 저하를 방지하고, 보다 짜임새 있는 구성으로 파워트레인의 길이를 축소할 수 있도록 함으로써, 하이브리드 파워트레인의 차량에의 탑재성을 향상시킬 수 있도록 한다.As described above, according to the present invention, the mountability of the hybrid powertrain to the vehicle is improved by preventing the power train from being lowered without using a torque converter and reducing the length of the powertrain with a more compact structure. Make it work.

Claims (3)

엔진과 변속기구 사이에 위치하고 상기 엔진의 출력축에 연결된 회전관성체와;A rotary inertia body positioned between the engine and the transmission mechanism and connected to the output shaft of the engine; 상기 회전관성체와 상기 변속기구의 입력축 사이에 동력을 연결 및 차단할 수 있도록 구비된 제1클러치와;A first clutch provided to connect and block power between the rotary inertia and the input shaft of the transmission mechanism; 상기 변속기구의 입력축에 로터가 연결되고 스테이터가 상기 입력축에 대하여 회전 가능하게 설치된 모터와;A motor connected to an input shaft of the transmission mechanism and a stator rotatably installed with respect to the input shaft; 상기 모터의 스테이터와 상기 회전관성체 사이에 동력을 연결 및 차단할 수 있도록 설치된 제2클러치와;A second clutch installed to connect and block power between the stator of the motor and the rotational inertia; 상기 입력축을 회전 가능하게 지지하며 고정된 케이스와;A case fixed to rotatably support the input shaft; 상기 케이스와 상기 모터의 스테이터 사이에 설치되어 상기 스테이터의 회전 가능상태를 전환할 수 있도록 구비된 제3클러치;A third clutch installed between the case and the stator of the motor and provided to switch the rotatable state of the stator; 를 포함하여 구성된 것을 특징으로 하는 하이브리드 파워트레인 구조.Hybrid powertrain structure, characterized in that configured to include. 청구항 1에 있어서,The method according to claim 1, 상기 케이스는 상기 모터와, 회전관성체와, 제1클러치와, 제2클러치 및 제3클러치를 감싸는 형상으로 구비된 것The case is provided in a shape surrounding the motor, the rotary inertia, the first clutch, the second clutch and the third clutch. 을 특징으로 하는 하이브리드 파워트레인 구조.Hybrid powertrain structure characterized in that. 청구항 1에 있어서,The method according to claim 1, 상기 제2클러치는 제1클러치의 외측에 중첩되고, 상기 제3클러치는 상기 제2클러치의 외측에 중첩되도록 배치된 것The second clutch overlaps the outside of the first clutch, and the third clutch is arranged to overlap the outside of the second clutch. 을 특징으로 하는 하이브리드 파워트레인 구조.Hybrid powertrain structure characterized in that.
KR1020060101121A 2006-10-18 2006-10-18 Hybrid power train structure for a hybrid vehicle KR100774667B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2665993B2 (en) 1993-07-09 1997-10-22 フィヒテル・ウント・ザクス・アクチエンゲゼルシャフト Hybrid vehicle drive system
JP2001213181A (en) 2000-02-04 2001-08-07 Hitachi Ltd Controller for hybrid automobile
KR20040073341A (en) * 2003-02-12 2004-08-19 미쯔비시 지도샤 고교 가부시끼가이샤 Hybrid vehicle
KR20060116170A (en) * 2005-05-09 2006-11-14 포드 글로벌 테크놀로지스, 엘엘씨 Dual rotor motor for a hybrid vehicle transmission

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2665993B2 (en) 1993-07-09 1997-10-22 フィヒテル・ウント・ザクス・アクチエンゲゼルシャフト Hybrid vehicle drive system
JP2001213181A (en) 2000-02-04 2001-08-07 Hitachi Ltd Controller for hybrid automobile
KR20040073341A (en) * 2003-02-12 2004-08-19 미쯔비시 지도샤 고교 가부시끼가이샤 Hybrid vehicle
KR20060116170A (en) * 2005-05-09 2006-11-14 포드 글로벌 테크놀로지스, 엘엘씨 Dual rotor motor for a hybrid vehicle transmission

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