KR20160020610A - Power train of hybrid vehicle - Google Patents

Power train of hybrid vehicle Download PDF

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KR20160020610A
KR20160020610A KR1020140105060A KR20140105060A KR20160020610A KR 20160020610 A KR20160020610 A KR 20160020610A KR 1020140105060 A KR1020140105060 A KR 1020140105060A KR 20140105060 A KR20140105060 A KR 20140105060A KR 20160020610 A KR20160020610 A KR 20160020610A
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KR
South Korea
Prior art keywords
planetary gear
rotary element
gear set
brake
gear device
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KR1020140105060A
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Korean (ko)
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KR101637667B1 (en
Inventor
김백유
김석준
하준영
안철민
변성곤
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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
    • 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
    • B60K6/22—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 characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—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 characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365—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 characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • B60K6/42—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 characterised by the architecture of the hybrid electric vehicle
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion

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

Abstract

Introduced is a power train of a hybrid vehicle, comprising: a first planetary gear device which has a first rotating element connected to a power source for generating power and a second rotating element connected to a power source for generating power and restricts the rotation of the first and second rotating elements; a second planetary gear device which has a first rotating element connected to a power source for generating power and a second rotating element connected to an output shaft and is connected to either the first rotating element or the second rotating element of the first planetary gear device; and a third planetary gear device which has a first rotating element to restrict rotation and a second rotating element to restrict rotation and is connected to either the first rotating element or the second rotating element of the second planetary gear device. Therefore, the present invention simultaneously realizes an electric vehicle (EV) mode, a series type hybrid electric vehicle (HEV) mode, and a parallel type HEV mode.

Description

POWER TRAIN OF HYBRID VEHICLE < RTI ID = 0.0 >

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a power train of a hybrid vehicle, and more particularly, to a power train of a hybrid vehicle that can satisfy a situation requiring high torque and a situation requiring high speed by applying a simple structure.

The hybrid vehicle is provided with drive wheels by appropriately using the power of the engine, which is an internal combustion engine and the electric motor, so as to improve fuel economy and reduce harmful substances of the exhaust gas by efficient engine operation and appropriate use of the motor.

In order to fully utilize the merits of the hybrid vehicle as described above, it is possible to provide a variety of driving modes suitable for the driving situation of the vehicle, while easily configuring a power train mechanism that appropriately combines the power from the engine and the motor with the driving wheels So that efficient vehicle operation is possible.

However, in the case of a generator, it is difficult to provide both a high torque and a high output at the same time, but there is a disadvantage that the capacity of the motor must be increased for high output or high torque.

It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

KR 10-2013-0012524 A

It is an object of the present invention to provide a powertrain of a hybrid vehicle capable of reducing the capacity of a motor generator and improving fuel economy while simultaneously realizing high output and high torque.

In order to accomplish the above object, a power train of a hybrid vehicle according to the present invention is characterized in that a power source for generating power is connected to one rotary element, a power source for generating power is connected to another rotary element, A first planetary gear set installed to be able to rotate; A second planetary gear set connected to a power source for generating power to one rotary element, an output shaft connected to another rotary element and connected to a rotary element of the first planetary gear set; And a third planetary gear set which is provided so as to be capable of restraining rotation to one rotary element and which is provided so as to restrain rotation of the other rotary element and which is connected to one element of the second planetary gear set do.

The third planetary gear set may be composed of a third carrier and a third ring gear.

The power source connected to each of the two rotary elements of the first planetary gear set may be an engine and a first motor generator and the power source connected to one rotary element of the second planetary gear set may be a second motor generator.

An overdrive is connected to a rotary element provided to restrict rotation of the first planetary gear set, a first brake is connected to a rotary element provided to restrict rotation of the third planetary gear set, The second brake may be connected to another rotary element provided for restricting the rotation of the third planetary gear device so as to be connected to a rotary element of the second planetary gear device.

Wherein the first sun gear of the first planetary gear device is connected to the first motor generator and the overdrive, the first carrier is connected to the engine, and the second sun gear of the second planetary gear device is connected to the second motor generator The first ring gear of the first planetary gear set and the output shaft are connected to the second ring gear, the first brake is connected to the third ring gear of the third planetary gear set, The second brake and the second carrier of the second planetary gear device may be connected.

A one-way clutch may be connected to the engine.

The powertrain of the hybrid vehicle may be summarized as a transmission. The transmission of the hybrid vehicle is connected to the one rotary element so as to be able to receive the rotary power, and is connected by the overdrive so that the rotary state can be switched. A first planetary gear device provided to the other rotation element so as to receive a rotation force separately from the rotation element; A second planetary gear device having one rotary element connected to one rotary element of the first planetary gear device and another rotary element provided to receive a rotary force from the outside; And one rotary element is connected by a first brake so that the rotatable state can be switched, and the other rotary element is connected to one element of the second planetary gear set, And a third planetary gear device connected to the second brake.

The third planetary gear set may be composed of a third carrier and a third ring gear.

Wherein the two rotary elements provided to receive the rotational force of the first planetary gear set are respectively connected to the engine and the first motor generator, and a rotary element provided to receive the rotational force of the second planetary gear set, 2 motor generator.

Wherein the first motor generator and the overdrive are connected to a first sun gear of the first planetary gear set, the engine is connected to a first carrier of the first planetary gear set, and the second motor generator comprises: The second ring gear of the second planetary gear device is connected to the first ring gear of the first planetary gear device and the second brake is connected to the third ring gear of the third planetary gear device, The first brake may be connected to the third ring gear of the third planetary gear unit and the output shaft may be connected to the second ring gear of the second planetary gear unit via the second ring gear of the second planetary gear unit .

The one-way clutch may be coupled to the engine.

According to the power train of the hybrid vehicle having the above-described structure, as a high-power, high-speed EV driveable motor drive system, in particular, the mechanical connection cutoff between the CD (Charge Depletion) section engine / transmission applied to the hybrid structure PHEV, Sustaining) mode, it is possible to simultaneously implement the EV mode, the series type, and the parallel type HEV mode as a single seat system. In addition, a power split type and a parallel type can be simultaneously implemented. Therefore, it is possible to mount the transmission with the highest fuel consumption system, the power split type and the parallel type, in a high-performance FR vehicle, so that not only the best fuel economy but also high performance operation is possible through the deceleration structure of the drive motor of the second speed.

That is, when the high torque is required due to the two-stage deceleration structure of the motor, it is possible to perform mode conversion when high speed is required. Thus, it is possible to realize a mode satisfying high torque and high speed in a limited size transmission, and a power split parallel structure Split Parallel Type) can be used to achieve the fuel economy goal, and can be deployed as a high performance car structure. In addition, the size of the second motor generator can be greatly reduced due to the two-stage deceleration structure, and one sun gear can be eliminated when the second planetary gear device and the third planetary gear device are connected, There is an advantage of being deleted.

1 is a view showing a power train of a hybrid vehicle according to an embodiment of the present invention;
Fig. 2 is a view showing an engagement relationship of the second planetary gear device and the third planetary gear device of Fig. 1; Fig.
3 is a power flow diagram illustrating the operation of the EV1 mode.
Fig. 4 is a lever diagram of Fig. 3; Fig.
5 is a power flow diagram illustrating the operation of the EV2 mode.
Fig. 6 is a lever diagram of Fig. 5; Fig.
7 is a power flow diagram illustrating the operation of the HEV1 mode.
8 is a power flow diagram illustrating the operation of the HEV2 mode.
9 is a power flow diagram illustrating the operation of the OD1 mode.
10 is a power flow diagram illustrating operation of the OD2 mode.

Hereinafter, a powertrain of a hybrid vehicle according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

Fig. 1 is a view showing a power train of a hybrid vehicle according to an embodiment of the present invention. Fig. 2 is a view showing a coupling relationship between the second planetary gearset PG2 and the third planetary gearset PG3 in Fig. 1 Fig. The present invention can be applied particularly to a plug-in hybrid vehicle (PHEV) among hybrid vehicles.

In the power train of the hybrid vehicle according to the preferred embodiment of the present invention, a power source for generating power is connected to one rotary element, a power source for generating power is connected to another rotary element, A first planetary gear set PG1 installed to rotate the first planetary gear set; A power source for generating power is connected to one rotary element, an output shaft OUT is connected to another rotary element, and a second planetary gear set (second planetary gear set) connected to one rotary element of the first planetary gear set PG1 PG2); And a second planetary gear set (PG2) connected to one element of the second planetary gear set (PG2) so as to be able to restrain rotation of the second planetary gear set (PG3).

That is, the hybrid power train is constituted by three brakes including three planetary gear devices and an overdrive brake (hereinafter referred to as an overdrive). In particular, the second planetary gearset PG2 and the third planetary gearset PG3 have a structure in which a second carrier C2 and a third carrier C3, which are different from conventional ones, are connected as shown in FIG. 2 . Therefore, when the second carrier C2 and the third carrier C3 have the same angular velocity, and the rotation element of one planetary gear device is fixed, the speed ratio of the other planetary gear device is affected. The third planetary gear set PG3 can omit the third sun gear S3 so that the third planetary gear set PG3 can be omitted, May be constituted by only the third carrier C3 and the third ring gear R3.

Here, the power source connected to the two rotary elements of the first planetary gear set PG1 is the engine and the first motor generator MG1, and the power source connected to one rotary element of the second planetary gear set PG2 is the second Motor generator MG2. In addition, an overdrive (OD / B) is connected to a rotary element provided to restrict rotation of the first planetary gear set PG1, and a rotation of the third planetary gear set PG3 is restricted The first brake BK1 is connected to the rotary element. The second brake BK2 is connected to another rotary element provided for restricting the rotation of the third planetary gear set PG3 and connected to a rotary element of the second planetary gear set PG2.

More specifically, the first motor generator MG1 and the overdrive motor OB / D are connected to the first sun gear S1 of the first planetary gear set PG1, The engine ENG is connected. The second motor generator MG2 is connected to the second sun gear S2 of the second planetary gear set PG2 and the second ring gear R2 is connected to the first ring gear R2 of the first planetary gearset PG1. And the gear R1 and the output shaft OUT are connected. The first brake BK1 is connected to the third ring gear R3 of the third planetary gear set PG3 and the second brake BK2 is connected to the third carrier C3. And the second carrier C2 of the gear device PG2 is connected.

Therefore, even if a small-sized motor is used by making the gear ratio of the motor generator having two stages with the deceleration brakes of the two second motor generator MG2 composed of the first brake BK1 and the second brake BK2, So that sufficient output and torque can be obtained. In particular, the third carrier C3 and the second carrier C2 are connected to form a two-stage gear ratio. By connecting the first ring gear R1 and the second ring gear R2, The effect of combining the motive power of the second motor generator MG2 can be seen. Further, the engine ENG may be connected to a one-way clutch OWC, a two-way clutch or a brake to prevent reverse rotation of the engine ENG.

The power train configured as described above is connected by an overdrive (OD / B) so as to be able to receive a rotational force to one rotary element and to be rotatable, and the other rotary element is connected to the other rotary element A first planetary gear set (PG1) provided to be able to receive a rotational force separately from the rotary elements; A second planetary gear set PG2 having one rotary element connected to one rotary element of the first planetary gear set PG1 and another rotary element provided to receive a rotary force from the outside; And one rotary element are connected by a first brake BK1 so that the rotatable state can be switched and the other rotary element is connected to one element of the second planetary gear set PG2, And a third planetary gear set PG3 connected to the second brake BK2 so that the second brake BK2 can be switched.

The third planetary gear set PG3 is constituted by the third carrier C3 and the third ring gear R3 and is provided to receive the rotational force of the first planetary gear set PG1, The two rotary elements are respectively connected to the engine and the first motor generator MG1. A rotary element provided to receive the rotational force of the second planetary gear set PG2 is connected to the second motor generator MG2 by the second motor generator MG2. .

The first motor generator MG1 and the overdrive OD / B are connected to the first sun gear S1 of the first planetary gear set PG1, Is connected to the first carrier C1 of the apparatus PG1 and the second motor generator MG2 is connected to the second sun gear S2 of the second planetary gear set PG2. The second ring gear R2 of the second planetary gear set PG2 is connected to the first ring gear R1 of the first planetary gear set PG1 and the second brake BK2 is connected to the third planetary gear set PG1, Is connected to the second carrier (C2) of the second planetary gear set (PG2) via the third carrier (C3) of the apparatus (PG3), and the first brake (BK1) 3 ring gear R3. An output shaft OUT is connected to the second ring gear R2 of the second planetary gear set PG2 and a one-way clutch OWC or a two-way clutch or a brake may be coupled to the engine ENG.

The operation of the power train of the hybrid vehicle configured as described above will be described below with reference to FIGS. 3 to 10 for each traveling mode.

3 to 4 are power flow diagrams and lever diagrams illustrating the operation of the EV1 mode and the second motor generator MG2 is operated in a state in which both of the one-way brake OWC and the first brake BK1 are operated. And it is applied in a situation where high torque is required to implement the EV mode.

5 to 6 show a power flow diagram and a lever diagram for explaining the operation of the EV2 mode in which the first and second brakes BW1 and BW2 are operated while the second motor generator MG2 ), It is applied in a situation where a low torque high output is required compared with the EV1 mode, thereby realizing a high-speed EV mode.

The HEV1 mode and the OD1 mode to be described later are implemented by applying the EV1 mode, and the HEV2 mode and the OD2 mode are implemented by applying the EV2 mode, so that the EV1 mode is realized in a situation requiring high torque, It is selectively applied to the EV2 mode.

FIG. 7 shows a power flow chart for implementing the HEV1 mode, and FIG. 8 shows a power flow chart for implementing the HEV2 mode. The first brake BK1 is activated when the HEV1 mode is implemented and the second brake BK2 is activated when the HEV2 mode is implemented. Accordingly, both the second motor generator MG2 and the engine ENG are driven, and the first motor generator MG1 is driven by the driving force of the engine ENG to implement the first stage HEV mode and the second stage HEV mode .

FIG. 9 is a power flow diagram illustrating the operation of the OD1 mode. FIG. 10 is a power flow diagram illustrating the operation of the OD2 mode. In the implementation of the OD1 mode, the overdrive (OD / B) and the first brake BK1 are operated, In the implementation of the OD2 mode, the overdrive (OD / B) and the second brake BK2 are operated. Therefore, both the second motor generator MG2 and the engine ENG are driven and transmitted to the output shaft OUT, thereby realizing a high-speed fixed gear.

According to the powertrain of the hybrid vehicle as described above, as a high-power, high-speed EV driveable motor drive system, particularly, a mechanical connection cutoff between a CD (Charge Depletion) section engine / transmission applied to a mixed structure PHEV and a Charge Sustaining As an engine starting mechanism at the time of entry, EV mode and series type and parallel type HEV mode can be simultaneously implemented as a single seat. In addition, a power split type and a parallel type can be simultaneously implemented. Therefore, it is possible to mount the transmission with the highest fuel consumption system, the power split type and the parallel type, in a high-performance FR vehicle, so that not only the best fuel economy but also high performance operation is possible through the deceleration structure of the drive motor of the second speed.

That is, when the high torque is required due to the two-stage deceleration structure of the motor, it is possible to perform mode conversion when high speed is required. Thus, it is possible to realize a mode satisfying high torque and high speed in a limited size transmission, and a power split parallel structure Split Parallel Type) can be used to achieve the fuel economy goal, and can be deployed as a high performance car structure. In addition, the size of the second motor generator can be greatly reduced due to the two-stage deceleration structure, and one sun gear can be eliminated when the second planetary gear device and the third planetary gear device are connected, There is an advantage of being deleted.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

PG1: first planetary gear set S1: first sun gear
C1: first carrier R1: first ring gear
PG2: second planetary gear set S2: second sun gear
C2: second carrier R2: second ring gear
PG3: Third planetary gear set S3: Third sun gear
C3: third carrier R3: third ring gear
ENG: engine MG1: first motor generator
MG2: Second motor generator OD / B: Overdrive brake
BK1: first brake BK2: second brake
OWC: One-way clutch OUT: Output shaft

Claims (11)

A first planetary gear device connected to a power source for generating power to one rotary element and connected to a power source for generating power to another rotary element and for restricting rotation;
A second planetary gear set connected to a power source for generating power to one rotary element, an output shaft connected to another rotary element and connected to a rotary element of the first planetary gear set; And
And a third planetary gear set which is provided so as to be able to restrain rotation to one rotation element and which is provided so as to be able to restrain rotation of the other rotation element and which is connected to one element of the second planetary gear set The powertrain of a hybrid vehicle. The method according to claim 1,
And the third planetary gear device is composed of a third carrier and a third ring gear. The method of claim 2,
Characterized in that the power source connected to each of the two rotary elements of the first planetary gear set is an engine and a first motor generator and the power source connected to one rotary element of the second planetary gear set is a second motor generator Train. The method of claim 3,
An overdrive is connected to a rotary element provided to restrict rotation of the first planetary gear set, a first brake is connected to a rotary element provided to restrict rotation of the third planetary gear set, And a second brake is connected to another rotary element provided for restricting the rotation of the third planetary gear device so as to be connected to a rotation element of the second planetary gear device. The method of claim 4,
Wherein the first sun gear of the first planetary gear device is connected to the first motor generator and the overdrive, the first carrier is connected to the engine, and the second sun gear of the second planetary gear device is connected to the second motor generator The first ring gear of the first planetary gear set and the output shaft are connected to the second ring gear, the first brake is connected to the third ring gear of the third planetary gear set, And a second carrier of the second planetary gear device is connected to the second brake. The method according to claim 1,
And a one-way clutch is connected to the engine. And is connected to the one rotary element so as to be supplied with the rotational force so that the rotary state can be switched and is also connected to the other rotary element so that the rotary force can be supplied to the other rotary element separately from the rotary element A first planetary gear device;
A second planetary gear device having one rotary element connected to one rotary element of the first planetary gear device and another rotary element provided to receive a rotary force from the outside; And
One rotation element is connected by a first brake so that the rotatable state can be switched and the other rotation element is connected to one element of the second planetary gear set, And a third planetary gear device connected to the brake. The method of claim 7,
And the third planetary gear device is constituted by a third carrier and a third ring gear. The method of claim 8,
Wherein the two rotary elements provided to receive the rotational force of the first planetary gear set are respectively connected to the engine and the first motor generator, and a rotary element provided to receive the rotational force of the second planetary gear set, 2 < / RTI > motor generator. The method of claim 9,
Wherein the first motor generator and the overdrive are connected to a first sun gear of the first planetary gear set, the engine is connected to a first carrier of the first planetary gear set, and the second motor generator comprises: The second ring gear of the second planetary gear device is connected to the first ring gear of the first planetary gear device and the second brake is connected to the third ring gear of the third planetary gear device, The first brake is connected to the third ring gear of the third planetary gear unit and the output shaft is connected to the second ring gear of the second planetary gear unit Features a hybrid vehicle transmission. The method of claim 6,
And a one-way clutch is coupled to the engine.
KR1020140105060A 2014-08-13 2014-08-13 Power train of hybrid vehicle KR101637667B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107521326A (en) * 2017-07-05 2017-12-29 潍柴动力股份有限公司 Series parallel type drive system and motor vehicle driven by mixed power for motor vehicle driven by mixed power
KR101879127B1 (en) * 2017-05-22 2018-07-18 한국과학기술원 A hybrid powertrain apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007099193A (en) * 2005-10-07 2007-04-19 Toyota Motor Corp Hybrid drive device
JP2008207656A (en) * 2007-02-26 2008-09-11 Aisin Aw Co Ltd Hybrid drive device
JP2013001385A (en) * 2011-06-20 2013-01-07 Hyundai Motor Co Ltd Power transmission device for hybrid vehicle
KR20130012524A (en) 2011-07-25 2013-02-04 현대자동차주식회사 Control method for powertrain of hybrid vehicle in compound split mode
KR101416422B1 (en) * 2013-06-24 2014-07-09 현대자동차 주식회사 Transmission system of hybrid electric vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007099193A (en) * 2005-10-07 2007-04-19 Toyota Motor Corp Hybrid drive device
JP2008207656A (en) * 2007-02-26 2008-09-11 Aisin Aw Co Ltd Hybrid drive device
JP2013001385A (en) * 2011-06-20 2013-01-07 Hyundai Motor Co Ltd Power transmission device for hybrid vehicle
KR20130012524A (en) 2011-07-25 2013-02-04 현대자동차주식회사 Control method for powertrain of hybrid vehicle in compound split mode
KR101416422B1 (en) * 2013-06-24 2014-07-09 현대자동차 주식회사 Transmission system of hybrid electric vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101879127B1 (en) * 2017-05-22 2018-07-18 한국과학기술원 A hybrid powertrain apparatus
CN107521326A (en) * 2017-07-05 2017-12-29 潍柴动力股份有限公司 Series parallel type drive system and motor vehicle driven by mixed power for motor vehicle driven by mixed power
CN107521326B (en) * 2017-07-05 2019-07-30 潍柴动力股份有限公司 Series parallel type drive system and hybrid vehicle for hybrid vehicle

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