KR101510049B1 - Hybrid power train for vehicle - Google Patents

Hybrid power train for vehicle Download PDF

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Publication number
KR101510049B1
KR101510049B1 KR1020140041331A KR20140041331A KR101510049B1 KR 101510049 B1 KR101510049 B1 KR 101510049B1 KR 1020140041331 A KR1020140041331 A KR 1020140041331A KR 20140041331 A KR20140041331 A KR 20140041331A KR 101510049 B1 KR101510049 B1 KR 101510049B1
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KR
South Korea
Prior art keywords
gear
engine
engine side
motor
shaft
Prior art date
Application number
KR1020140041331A
Other languages
Korean (ko)
Inventor
박종윤
정의철
Original Assignee
현대자동차주식회사
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Priority to KR1020140041331A priority Critical patent/KR101510049B1/en
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Publication of KR101510049B1 publication Critical patent/KR101510049B1/en

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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
    • B60K6/38—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 driveline clutches
    • 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
    • B60K6/40—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 assembly or relative disposition of components
    • 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
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/091—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears including a single countershaft
    • 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
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • 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
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • F16H59/041—Ratio selector apparatus consisting of a final output mechanism, e.g. ratio selector being directly linked to a shiftfork

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

Abstract

The present invention maximizes utilization of torque characteristics of an engine and a motor to realize various driving modes and has a simple configuration as possible to realize a plurality of transmissions for each mode in order to improve vehicle efficiency and fuel performance. A hybrid power train for a vehicle includes: a drive shaft (1); a first engine side drive gear (3); a second engine side drive gear (5); a counter shaft (11); a synchronizing device (13); and a motor (15).

Description

[0001] HYBRID POWER TRAIN FOR VEHICLE [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hybrid power train of a vehicle, and more particularly, to a hybrid power train of a vehicle, and more particularly, to a power train of a vehicle which is capable of providing driving force of the vehicle with power output from an electric motor.

The hybrid power train, which is able to drive the vehicle by appropriately harmonizing the power generated by the engine, which is an internal combustion engine, and the power generated by the electric motor, is basically a combination of the torque characteristics of the engine and the torque characteristics Use complementary aspects to improve the efficiency of vehicle operation.

Therefore, the conventional hybrid power train realizes an EV mode that utilizes the characteristics of a motor having excellent low-speed torque characteristics by allowing the vehicle to be driven mainly by a motor at the start of a vehicle or at a low speed, The engine mode that enables the vehicle to be driven by an engine having an excellent torque characteristic is realized and the hybrid mode which can use both the torque of the engine and the motor can be realized in a driving state requiring high torque.

It is desirable that the hybrid power train used in the vehicle can realize various driving modes by maximizing the torque characteristics of the engine and the motor as described above and also realize a plurality of transmission stages in each mode with a simple structure as much as possible.

It will be appreciated that those skilled in the art will appreciate that the described embodiments are provided merely for the purpose of promoting an understanding of the background of the present invention, It will not.

KR 1020120019855 A

The present invention can realize various operation modes by making full use of the torque characteristics of the engine and the motor, and it is possible to implement a plurality of gear stages in each mode with a simple structure as much as possible, And to provide a hybrid powertrain of a vehicle.

In order to achieve the above object, the hybrid power train of the vehicle of the present invention includes:

A drive shaft installed to rotate by the power of the engine;

A first engine side drive gear installed concentrically with the drive shaft and selectively installed to receive power of the drive shaft;

A second engine side drive gear installed concentrically with the drive shaft to increase the power of the drive shaft to receive the drive shaft;

A counter shaft having a first engine side driven gear and a second engine side driven gear rotatably engaged with the first engine side drive gear and the second engine side drive gear, respectively;

A synchronizing device provided so as to switch states connecting the first engine-side driven gear and the second engine-side driven gear to the counter shaft;

A motor installed to transmit a rotational force to the counter shaft;

And a control unit.

The present invention can realize various operation modes by making full use of the torque characteristics of the engine and the motor, and it is possible to implement a plurality of gear stages in each mode with a simple structure as much as possible, .

1 is a diagram showing an embodiment of a hybrid power train of a vehicle according to the present invention,
FIG. 2 is a diagram illustrating the implementation of the engine mode 1 speed state in the embodiment of FIG. 1;
FIG. 3 is a diagram for explaining implementation of a second engine speed mode in the embodiment of FIG. 1;
FIG. 4 is a diagram illustrating the implementation of the EV mode in the embodiment of FIG. 1,
FIGS. 5 and 6 are diagrams illustrating the implementation of the parallel mode in the embodiment of FIG. 1,
7 is a diagram for explaining implementation of a series mode in the embodiment of FIG.

1, a hybrid power train according to an embodiment of the present invention includes a drive shaft 1 installed to rotate by the power of an engine, a drive shaft 1 installed concentrically with the drive shaft 1, And a second engine side drive gear (5) installed concentrically with the drive shaft (1) to increase the power of the drive shaft (1) and to receive the second engine side drive gear (5) A first engine side driven gear 7 and a second engine side driven gear 9 which are respectively engaged with the first engine side drive gear 3 and the second engine side drive gear 5 are rotatably provided A counter shaft 11 and a synchronizing device 13 provided so as to switch states of connecting the first engine side driven gear 7 and the second engine side driven gear 9 to the counter shaft 11, And a motor 15 installed to be able to transmit a rotational force to the counter shaft 11.

That is, in the present embodiment, power from the engine is transmitted to the drive shaft 1, and the first engine side drive gear 3 and the first engine side driven gear 7 or the second engine side drive gear 5, And the second engine side driven gear 9 to the counter shaft 11 to be shifted at different speed ratios and to provide the counter shaft 11 with power from the motor 15 So that the power can be drawn out to the drive wheel through the power take-off shaft 17 connected to the counter shaft 11. [

Therefore, the embodiment of the present invention can shift the power from the engine to two speed ratios and selectively transmit the power provided by the motor 15 to the drive wheels.

A clutch 19 is provided between the drive shaft 1 and the first engine side drive gear 3 and the second engine side drive gear 5 is connected to the planetary gear device 21 provided on the drive shaft 1 To receive power from the drive shaft (1).

Therefore, when the clutch 19 is engaged, the power of the engine is transmitted to the first engine side drive gear 3, and after shifting through the first engine side driven gear 7, the synchronizer 13 The synchronizer 13 drives the first engine-side driven gear 7 to the counter shaft 11 and the power take-off shaft 17 through the counter shaft 11, To be connected.

The sun gear S of the planetary gear set 21 is fixed and the carrier C is connected to the drive shaft 1 and the ring gear R is connected to the second engine side drive gear 5 to be.

Since the sun gear S is fixed to the transmission case or the like and the carrier C is directly connected to the drive shaft 1, the power of the engine transmitted to the drive shaft 1 is increased in the planetary gear set 21 And is drawn out through the ring gear R. This driving force drives the second engine side driven gear 9 through the second engine side drive gear 5 to drive the first engine side drive gear 3 The first engine side driven gear 7 and the first engine side driven gear 7 form a gear ratio different from the gear ratio formed between the first engine side driven gear 7 and the first engine side driven gear 7. In this embodiment, The speed ratio between the second engine side drive gear 5 and the second engine side driven gear 9 is made smaller than the speed change ratio in the engine mode 1 to be formed, thereby realizing the engine mode 2 speed.

In this embodiment, the second engine side drive gear 5 is connected to the planetary gear set 21 in a state where a space is formed in the inner diameter portion, and the clutch 19 is connected to the second engine side drive gear 5, it is possible to minimize the volume occupied and to make the configuration compact.

A motor side driven gear 23 is integrally provided on the counter shaft 11 and a motor side driven gear 25 directly meshed with the motor 15 is meshed with the motor side driven gear 23, , The power of the motor 15 can drive the counter shaft 11 directly.

The motor side drive gear 25 is arranged concentrically with the drive shaft 1 and the generator G is connected to the ring gear R of the planetary gear set 21 to generate power And the synchronizing device 13 may be a conventional synchromesh device.

2 and 3 illustrate that the embodiment of the present invention implements the engine mode. FIG. 2 shows a state in the engine mode 1, in which the clutch 19 is engaged and the synchronizer 13 When the first engine-side driven gear 7 is connected to the counter shaft 11, the power of the engine is transmitted to the first engine-side driven gear (second engine-side driven gear) via the clutch 19 and the first engine- 7), thereby realizing a speed change ratio in the engine mode 1. [

3 shows a state in engine mode 2. When the synchronizing device 13 connects the second engine side driven gear 9 to the counter shaft 11, The transmitted power is increased by the planetary gear set 21 and transmitted to the second engine side drive gear 5 which drives the second engine side driven gear 9 to change the speed ratio in the engine mode 2 .

4 is a state for implementing the EV mode and when the motor 15 is driven in a state in which the synchronizing device 13 is maintained in the neutral state, the power of the motor 15 is transmitted to the motor- The counter shaft 11 is driven through the motor-side driven gear 23 and the motor-driven driven gear 23 so that power is drawn out by the motor 15 alone from the power take-off shaft 17.

5 and 6 illustrate a state in which the parallel mode is implemented. The state shown in Fig. 5 is a state in which the clutch 19 is engaged and the synchronizer 13 drives the first engine-side driven gear 7 to the counter shaft The motor 15 is driven so that the power from the engine and the power from the motor 15 are combined in the counter shaft 11 and supplied to the power take-off shaft 17 , It can be seen as a combination form of FIG. 2 and FIG.

The state shown in Fig. 6 is a state in which the clutch 19 is disengaged and the synchronizer 13 rotates the second engine-side driven gear 9 to the counter shaft The power from the engine and the power from the motor 15 are combined in the counter shaft 11 by driving the motor 15 in a state where the motor 15 is connected to the counter shaft 11.

7 shows a state in which the series mode is implemented. When the engine is driven, the power of the engine drives the generator G through the drive shaft 1 and the planetary gear set 21 to generate electricity , And the motor 15 is driven by the electric power so that the vehicle can be driven through the counter shaft 11 and the power take-off shaft 17.

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.

One; driving axle
3; The first engine side drive gear
5; The second engine side drive gear
7; The first engine-side driven gear
9; The second engine side driven gear
11; Counter shaft
13; Synchronizing device
15; motor
17; Power take-off shaft
19; clutch
21; Planetary gear device
S; Sunfish
C; carrier
R; Ring gear
23; Motor side driven gear
25; Motor side drive gear
G; Generator

Claims (6)

A drive shaft (1) provided to be rotated by the power of the engine;
A first engine side drive gear (3) installed concentrically with the drive shaft (1) and adapted to selectively receive the power of the drive shaft (1);
A second engine side drive gear (5) installed concentrically with the drive shaft (1) and installed to receive power transmitted from the drive shaft (1)
A first engine side driven gear 7 and a second engine side driven gear 9 rotatably fitted to the first engine side drive gear 3 and the second engine side drive gear 5, A shaft 11;
A synchronizing device (13) provided so as to switch states of connecting the first engine side driven gear (7) and the second engine side driven gear (9) to the counter shaft (11);
A motor 15 installed to be able to transmit a rotational force to the counter shaft 11;
The hybrid powertrain of the vehicle. The method according to claim 1,
A clutch 19 is provided between the drive shaft 1 and the first engine side drive gear 3;
The second engine side drive gear 5 is installed to receive power from the drive shaft 1 by the planetary gear set 21 mounted on the drive shaft 1
The hybrid power train of the vehicle. The method of claim 2,
The sun gear S of the planetary gear set 21 is fixed and the carrier C is connected to the drive shaft 1 and the ring gear R is connected to the second engine side drive gear 5
The hybrid power train of the vehicle. The method of claim 2,
The second engine side drive gear (5) is connected to the planetary gear set (21) in a state where a space is formed in the inner diameter portion;
The clutch 19 is disposed on the inner diameter portion of the second engine side drive gear 5
The hybrid power train of the vehicle. The method according to claim 1,
A motor-side driven gear 23 is integrally provided on the counter shaft 11;
The motor side driven gear 23 is provided with a motor 15 and a motor side drive gear 25 connected directly thereto
The hybrid power train of the vehicle. The method of claim 5,
The motor-side drive gear 25 is disposed concentrically with the drive shaft 1
The hybrid power train of the vehicle.
KR1020140041331A 2014-04-07 2014-04-07 Hybrid power train for vehicle KR101510049B1 (en)

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KR1020140041331A KR101510049B1 (en) 2014-04-07 2014-04-07 Hybrid power train for vehicle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101714303B1 (en) * 2016-02-12 2017-03-09 현대자동차주식회사 Hybrid powertrain for vehicle
KR101786397B1 (en) 2016-10-27 2017-10-17 현대자동차주식회사 Power train for hybird vehicle
CN111038251A (en) * 2018-10-15 2020-04-21 迪尔公司 Engine power transmission system with bypass of transmission gear

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009134241A2 (en) * 2008-04-28 2009-11-05 Mack Trucks, Inc. Powertrain with input shaft and engine speed synchronization and method for shifting gears in a powertrain
US20100139998A1 (en) * 2006-08-15 2010-06-10 Ford Global Technologies, Llc Hybrid Electric Vehicle And Powertrain
US20100200315A1 (en) * 2009-02-09 2010-08-12 Ferrari S.P.A. Road vehicle with hybrid propulsion
US20100320016A1 (en) * 2007-10-22 2010-12-23 Byd Company Limited Hybrid Power Driving System and Driving Method Thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100139998A1 (en) * 2006-08-15 2010-06-10 Ford Global Technologies, Llc Hybrid Electric Vehicle And Powertrain
US20100320016A1 (en) * 2007-10-22 2010-12-23 Byd Company Limited Hybrid Power Driving System and Driving Method Thereof
WO2009134241A2 (en) * 2008-04-28 2009-11-05 Mack Trucks, Inc. Powertrain with input shaft and engine speed synchronization and method for shifting gears in a powertrain
US20100200315A1 (en) * 2009-02-09 2010-08-12 Ferrari S.P.A. Road vehicle with hybrid propulsion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101714303B1 (en) * 2016-02-12 2017-03-09 현대자동차주식회사 Hybrid powertrain for vehicle
KR101786397B1 (en) 2016-10-27 2017-10-17 현대자동차주식회사 Power train for hybird vehicle
CN111038251A (en) * 2018-10-15 2020-04-21 迪尔公司 Engine power transmission system with bypass of transmission gear

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