CN1343585A - Mixed driving gear - Google Patents

Mixed driving gear Download PDF

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Publication number
CN1343585A
CN1343585A CN01142137A CN01142137A CN1343585A CN 1343585 A CN1343585 A CN 1343585A CN 01142137 A CN01142137 A CN 01142137A CN 01142137 A CN01142137 A CN 01142137A CN 1343585 A CN1343585 A CN 1343585A
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China
Prior art keywords
clutch
dynamotor
hybrid drive
input
power
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Pending
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CN01142137A
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Chinese (zh)
Inventor
栗田茂明
冈本贵洋
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Isuzu Motors Ltd
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Isuzu Motors Ltd
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Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of CN1343585A publication Critical patent/CN1343585A/en
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    • 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

Abstract

To provide a compact hybrid drive unit having a small length of a shaft and allowing the use of an existing engine and transmission without changing their layout. This hybrid drive unit is constituted so that a first clutch C1 and a second clutch C2 arranged in series between the engine and the transmission T/M and consisting of wet multiple disc clutches and a motor generator M are stored in a housing 2 and unitized. The first clutch C1 and the second clutch C2 are adjacent to each other in the axial direction, and an input part 4 of the first clutch and an output part 5 of the second clutch are positioned on the same axis. A common clutch easing 11 forming an output part of the first clutch and an input part of the second clutch is arranged on an outer peripheral side of their input part and and output part, a rotary part m2 of the motor generator is attached to an outer peripheral part of the clutch easing 11, and a fixing part m1 of the motor generator is attached to an inner peripheral part of the housing 2.

Description

Hybrid drive
Technical field
The present invention relates to a kind of hybrid drive, this device is applicable to hybrid automobile that driving engine and such two drive sources of dynamotor are housed etc.
Background technology
In recent years, from environmental pollution and viewpoint such as energy-conservation, developed the hybrid automobile that uses driving engine (combustion engine) and the such two kinds of drive sources of dynamotor.At this moment, be necessary to set various operation modes such as startup, starting, motor (operation) walking, driving engine (operation) walking, regenerative brake, charging, between driving engine, dynamotor and variable-speed motor, must suitably change power transfer path.
As realizing above-mentioned mechanism, be that specific hybrid automobile is carried out customized design in the past.
For example the disclosed technology of Japanese kokai publication hei 9-193676 communique is, along a direction, serial arrangement driving engine, first clutch, planetary gear apparatus, dynamotor and second clutch, by first clutch with the transmission of power of driving engine to planetary gear apparatus, simultaneously, by second clutch with the transmission of power of dynamotor to planetary gear apparatus.And in planetary gear apparatus,, be sent to suitable variable-speed motor through conv with the suitably synthetic distribution of these power.
Such mechanism and layout are very special, large-scale, can only be applicable to special vehicle.
In addition, the disclosed technology of Japanese kokai publication hei 11-98615 communique is, with the order series connection setting of driving engine, dynamotor, power-transfer clutch, variable-speed motor.And remove 1 cylinder of 4 cylinder engines, utilize this space, configuration dynamotor and power-transfer clutch.Just can not load owing to wherein do not make the space of a cylinder size of driving engine, have to carry out customized design.
So,, adopt existing driving engine and change-speed box, do not change its layout, may load hardly because of being carries out customized design to special vehicle in the past.And, be applicable to existing vehicle or hybrid power special vehicle vehicle in addition, almost be impossible to become hybrid automobile.Thus, be unfavorable having the commonality this respect.
Summary of the invention
For this reason, the purpose of this invention is to provide a kind of high hybrid drive of commonality that need not change the layout of existing driving engine and change-speed box with regard to using.
Hybrid drive of the present invention is, the setting of between driving engine and change-speed box, connecting, and the first clutch that is made of wet multi-plate clutch and second clutch and dynamotor be accommodated in the hood, to become modularization.
Best at this, the input part of described first clutch and the coaxial setting of the efferent of described second clutch, the rotating part bonded assembly of the efferent of described first clutch and described dynamotor simultaneously, the input part of described second clutch is connected with the rotating part of described dynamotor, and the fixed position of described dynamotor is in the outer circumferential side of described dynamotor rotating part.
In addition, the present invention is, the setting of between driving engine and change-speed box, connecting, and the first clutch that is made of wet multi-plate clutch and second clutch and dynamotor are accommodated in the hood, to become the Componentized hybrid drive, described first clutch and second clutch are in axial adjacency, the input part of described first clutch and the coaxial setting of the efferent of described second clutch, simultaneously, outer circumferential side at these input parts and efferent is provided with the shared power-transfer clutch cover body that constitutes described first clutch efferent and described second clutch input part, at the peripheral part of this power-transfer clutch cover body the rotating part of described dynamotor is housed, and the fixed part of described dynamotor is housed in the interior perimembranous of described cover body.
Best at this, described first clutch has the input shaft that becomes its input part, the first clutch plate that is arranged on this input shaft outer circumferential side and first clutch piston, described second clutch has the output shaft that constitutes its efferent, is arranged on second clutch plate and second clutch piston on this output shaft, described power-transfer clutch cover body from peripheral part round these input shafts, first clutch plate, first clutch piston, output shaft, second clutch plate and second clutch piston.
In addition, preferably, the input shaft of described first clutch and the output shaft of described second clutch and the coaxial setting of the input shaft of engine crankshaft and change-speed box, and butt joint configuration mutually.
Best, described first clutch and described second clutch are that the boundary constitutes axially symmetrical with their input shaft and the docking location of output shaft.
The input shaft of described first clutch can be connected with the bent axle of driving engine with shock absorption device by flywheel.
Best, the output shaft of described second clutch and the input shaft of change-speed box are shared.Best, described second clutch has the inner panel wheel hub of the inner panel that keeps described second clutch plate, and this inner panel wheel hub has the embedded hole chimeric with the input shaft spline of change-speed box.
Best, an axial at least end of described power-transfer clutch cover body is supported by ball bearing of main shaft.
Hybrid automobile of the present invention in addition has above-mentioned hybrid drive.
Description of drawings
Fig. 1 is the longitudinal section of the embodiment of the invention,
Fig. 2 is the schematic arrangement figure of the embodiment of the invention,
Fig. 3 is the schematic arrangement figure of the embodiment of the invention,
Fig. 4 is the view that each operation mode is shown.
The specific embodiment
Below, with reference to the accompanying drawings most preferred embodiment of the present invention is elaborated.
Fig. 1 illustrates the hybrid drive of present embodiment.This hybrid drive is used for hybrid automobile, is made of 2 clutch electric generator assemblies.Hybrid drive 1 also as shown in Figure 2, series connection is arranged between the driving engine E and variable-speed motor T/M as first drive source.Have hood 2, taking in two power-transfer clutchs in the hood 2 is first clutch C 1With second clutch C 2, and, make black boxization as the dynamotor M of second drive source.Driving engine E is the combustion engine of combustion fuel with the generation propulsive effort, is diesel motor at this.Variable-speed motor T/M is common artificial change-speed box, and its output shaft (not shown) is connected with drive wheel DW by propeller shaft PS, differentiator DF.Dynamotor M is connected with not shown electrical storage device, and the electric power of accepting to supply with from electrical storage device to be to produce the function of propulsive effort, simultaneously, is generated electricity, has so-called dynamotor function at glancing impact by variable-speed motor T/M and drive wheel.As shown in Figure 4, electrical storage device comprises storage battery BAT and transformation loop INV.
As shown in Figure 1, hood 2, its front end (before on the left of the figure being, the right side is the back) is fastened on the cylinder band (not shown) of driving engine by the bolt (not shown), and its rear end is fastened on the cover body 3 of variable-speed motor T/M with the bolt (not shown).Hood 2 is divided into anterior 2a, pars intermedia 2b and rear portion 2c three parts, and each several part connects by bolt 40.Be provided with formation first clutch C at the center of device 1 1Input part input shaft 4 and constitute the output shaft 5 of the efferent of second clutch C2.Device 1 self also can be provided with independent output shaft, but in the present embodiment, is that input shaft 5a with variable-speed motor T/M is as second clutch C 2Output shaft 5, the shared thus part count of subduing.In addition, will insert in the device 1, can shorten axial length (front and back length) L of device 1 from the input shaft 5a that variable-speed motor T/M stretches out.41 is the bearing (ball bearing of main shaft) of the variable-speed motor T/M side of supporting input shaft 5a, and 42 for being installed to the top gear change-speed box on the input shaft 5a.
The bent axle 6 of driving engine, input shaft 4 and output shaft 5 are along the coaxial install in series of 1 pile foundation axle C.Input shaft 4 is connected with bent axle 6 with shock absorption device 8 by flywheel 7.But the front end of input shaft 4 by the bearing 7a free rotary ground supporting that is installed in flywheel 7 central parts.Flywheel 7 is fixed on the bent axle 6 by bolt 7b, and flywheel 7 combines by bolt 7c with shock absorption device 8, and shock absorption device 8 is installed on the input shaft 4 by means of spline 8a.
The front end of the rear end of input shaft 4 and output shaft 5 disposes with docking mode.At this butt joint connecting portion place, input shaft 4 is identical with the diameter of output shaft 5, and is carved with spline 10 in periphery separately.
First clutch C 1With second clutch C 2Mutually axially in abutting connection with being provided with, have shared power-transfer clutch cover body 11, when making the device compactness, be the boundary with the docking location P of input shaft 4 and output shaft 5, be formed on axial symmetrical structure, make the parts universalization.That is first clutch C, 1With second clutch C 2Be oil pressure control rotating vane type multi-plate clutch structure, have inner panel wheel hub 12 as separately member 1, 12 2, inner panel 13 1, 13 2, outside plate 14 1, 14 2, clutch plunger 15 1, 15 2, clutch spring 16 1, 16 2And spring perch 17 1, 17 2, simultaneously, these members are at first clutch C 1Side and second clutch C 2Side is identical, and the relative opposite side parts of a side component and are accommodated in the shared power-transfer clutch cover body 11 for the counter-rotating balanced configuration.In addition, inner panel 13 1With outside plate 14 1Be combined as the first clutch plate, and inner panel 13 2With outside plate 14 2Be combined as the second clutch plate.
For example, first clutch C 1Inner panel wheel hub 12 1With second clutch C 2Inner panel wheel hub 12 2Be identical parts, on one side 12 2With respect to 12 of another side 2Counter-rotating is used, and is that bound pair claims configuration with docking location P.Other members also are same.
Inner panel wheel hub 12 1, 12 2Interior week have spline, chimeric with the spline 10 of input shaft 4 and output shaft 5 respectively, to fix at hand of rotation, simultaneously, by a plurality of cylindrical bearing 43 in axial location.Inner panel wheel hub 12 1, 12 2In the both sides of docking location P in abutting connection with configuration, simultaneously, to radially protruding and chimeric with inner panel 13 by spline 1, 13 2Remain on the periphery.
Pars intermedia 2b at hood 2 is provided with front end next door 44, and the central part in front end next door 44 is provided with from the outside around the input side cylindrical portion 45 of input shaft 4.But the rear portion that input side cylindrical portion 45 input shaft 4 by ball bearing of main shaft 46 free rotary ground supportings.In the place ahead of ball bearing of main shaft 46, oil sealing 47 is installed on the input side cylindrical portion 45.
Central part at the rear portion of hood 2 2c also is provided with from the outside around the outgoing side cylindrical portion 48 of output shaft 5.But the front portion that outgoing side cylindrical portion 48 output shaft 5 by ball bearing of main shaft 49 free rotary ground supportings.At the rear of ball bearing of main shaft 49, oil sealing 50,51 is installed on the outgoing side cylindrical portion 48.
Input side cylindrical portion 45 can be installed with power-transfer clutch cover body 11 with the periphery of outgoing side cylindrical portion 48 with rotating freely.Power-transfer clutch cover body 11 integral body are cylindric, have front bulkhead 11a and aft bulkhead 11b, and simultaneously, central part has input urceolus axle 18 and output urceolus axle 19.Power-transfer clutch cover body 11 forms first clutch C 1Efferent and second clutch C 2Input part, and divide to form shared clutch chamber 22 on these power-transfer clutchs.In clutch chamber 22, be full of shared oil.Input urceolus axle 18 and output urceolus axle 19 can be embedded in the outer circumferential side of input side cylindrical portion 45 and outgoing side cylindrical portion 48 respectively with rotating freely.The front-end and back-end of power-transfer clutch cover body 11 are by ball bearing of main shaft 23c, 23b and being supported by axle.
Clutch plunger 15 1, 15 2Be ring-type, the front-end and back-end near in the clutch chamber 22 axially can be installed with being free to slide.Spring perch 17 1, 17 2Forming section is the ring-type of crank-like, is respectively fixed on input urceolus axle 18 and the output urceolus axle 19.Clutch spring 16 1, 16 2Be compressive state and be arranged on clutch plunger 15 1, 15 2With spring perch 17 1, 17 2Between, respectively to first clutch piston 15 1Apply power forward, and to second clutch piston 15 2Apply power backward.
Outside plate 14 1, 14 2Be embedded in the interior perimembranous of power-transfer clutch cover body 11 by spline, to be held axially can move freely the ground mode.Inner panel 13 1, 13 2With outside plate 14 1, 14 2Alternately overlap.Near docking location P, be provided with plate retainer 21 1, 21 2Two clutch plungers 15 1, 15 2With clutch plate all with from axial two outside method of clamping opposite disposed.At first clutch C 1In, clutch plunger 15 1After move, make inner panel 13 1With outside plate 14 1Wipe contact is to produce the clutch fastening force.On the contrary at second clutch C 2In, clutch plunger 15 2Reach makes inner panel 13 2With outside plate 14 2Wipe contact is to produce the clutch fastening force.
On hood 2 and power-transfer clutch cover body 11, be provided with the first and second oily paths 25 of supplying with the clutch control oil pressure 1, 25 2These oily paths 25 1, 25 2By first and second pipelines 26 1, 26 2In other system, be connected mutually with exterior hydraulic pressure supplying device (not shown).As adopt these oil hydraulic systems, can be selectively to clutch plunger 15 1, 15 2Action face side supply with oil pressure, and can be independent and fastening selectively or remove first clutch C 1With the 2nd power-transfer clutch C 2
In addition, the first and second oily paths 25 1, 25 2Oil by flow regulating valve 52 1, 52 2Supply to clutch plunger 15 1Non-action face side.This oil is used for power-transfer clutch cooling, the outage 53 of cooled oil from the power-transfer clutch cover body 11 1, 53 2Discharge.
Dynamotor M is positioned at the periphery of power-transfer clutch cover body 11.Dynamotor M is made of fixed part m1 and rotating part m2, and fixed part m1 is installed to the interior perimembranous of hood 2, and rotating part m2 is installed on the peripheral part of power-transfer clutch cover body 11.Thus, rotating part m2 and power-transfer clutch cover body 11 are integral rotation.
In hood 2 inside, cut apart formation and center on dynamotor M from the outside with cooling-water chamber 30 to its cooling.Anterior 2a and 44 divisions of front end next door by hood 2 form flywheel chamber 54, and flywheel 7 and shock absorption device 8 are set therein.Forwardly 2a is provided with the oil sealing 55 in gap between sealing and the bent axle 6.The revolution counter that is used to detect dynamotor M rotation does not need special setting.Dynamotor M self can have the function of the rotation of detecting.
Below, the action of hybrid drive 1 is described.
At first, first clutch C is described 1Action.Hydraulic oil from hydraulic pressure supplying device through first pipeline 26 1With the first oily path 25 1Supply with clutch plunger 15 1The time, after clutch plunger 15 is driven to, with plate retainer 21 1Between with inner panel 13 1With outside plate 14 1Pushing merges mutually.Like this, plate produces friction force each other, first clutch C 1Become unconnected tightening state, but transmission of drive force.In addition, when discharging this oil pressure, by clutch spring 16 1, make clutch plunger 15 1Return the place ahead, thus, remove the clutch fastening force, first clutch C 1Become off-state.
Second clutch C 2Action just connect, when disconnecting, clutch plunger 15 2Direction of action opposite with previous direction, other and first clutch C 1Identical.Its detailed description is omitted.First clutch C 1With second clutch C 2Oil hydraulic system owing to be different systems, so these power-transfer clutchs can be distinguished single movement.And to the supply of the hydraulic oil of these power-transfer clutchs, to discharge be electronic control package control by not shown, so first clutch C 1With second clutch C 2Can disconnect, connect control respectively.
Below, the operating state of this device under each operation mode suitably is described with Fig. 4.
(1) motor starts
Shown in Fig. 4 (a), with first clutch C 1Disconnection, second clutch C 2Engage, power to dynamotor M.Like this, dynamotor M is driven, and this propulsive effort is delivered to power-transfer clutch cover body 11, second clutch C 2, output shaft 5, vehicle is only started by dynamotor M.When the rotation of the rotating part m2 of dynamotor M is equivalent to driving engine E idle running, with first clutch C 1Engage.Thus, start the engine.This moment, the speed of a motor vehicle was generally below 5Km/h.
(2) quicken (power-assist)
Shown in Fig. 4 (b), when further quickening, increase the propulsive effort of driving engine E, reduce the propulsive effort of dynamotor M, the propulsive effort of final dynamotor M is zero, only the propulsive effort by driving engine quickens.
(3) start the engine and starting thereafter
Although Fig. 4 does not illustrate, with first clutch C 1Engage second clutch C 2Disconnect, dynamotor M is powered.Like this, the rotary driving force of dynamotor M is delivered to power-transfer clutch cover body 11, first clutch C 1, input shaft 4, finally be delivered to the bent axle 6 of driving engine E.At first, fuel does not spray, driving engine E idle running, and engine rotation reaches idle running when above, and fuel sprays, and driving engine E begins action.So can the row's of preventing black smoke.Afterwards, connect second clutch C 2, start vehicle by driving engine E and/or dynamotor M.
(4) the dead slow speed walking of only being undertaken by dynamotor M
Shown in Fig. 4 (e), disconnect first clutch C 1, engage second clutch C 2, the fuel of shutting engine down E sprays, and only drives dynamotor M.So, the propulsive effort of dynamotor M is delivered to power-transfer clutch cover body 11, second clutch C 2, output shaft 5, make vehicle to run.In addition, the propulsive effort of dynamotor M is because of at first clutch C 1The place disconnects, and is not delivered to driving engine.Thus, can not drive driving engine by dynamotor M, the friction of driving engine disconnects, and can prevent to drive loss.Since can be under the Spin Control of dynamotor M, fine adjustment speed is not carried out complicated half-clutch control, so control is simplified.Particularly, wet multi-plate clutch changes with oil temperature, and the influence of viscosity change strengthens, and it is highly beneficial not carry out clutch for clutch control.
(5) only walk by driving engine
Shown in Fig. 4 (c), first clutch C 1, second clutch C 2Engage simultaneously, drive driving engine E, and dynamotor M is not powered.Like this, engine drive power is delivered to input shaft 4, first clutch C 1, power-transfer clutch cover body 11, second clutch C 2, output shaft 5, vehicle is only by driving engine walking.The rotating part m2 of dynamotor M only dallies.
(6) high capacity walking (when quickening entirely etc.)
Shown in Fig. 4 (b), with first clutch C 1, second clutch C 2Engage simultaneously, drive driving engine E, dynamotor M both.Like this, the propulsive effort of driving engine is delivered to input shaft 4, first clutch C 1, power-transfer clutch cover body 11, second clutch C 2, output shaft 5, simultaneously, the propulsive effort of dynamotor M is delivered to power-transfer clutch cover body 11, second clutch C 2, output shaft 5.Thus, both propulsive efforts are delivered to drive wheel, can carry out the high capacity walking.
(7) nonskid braking that gently slows down
Shown in Fig. 4 (d), first clutch C 1Disconnect second clutch C 2Engage.Like this, variable-speed motor T/M side drive power is delivered to output shaft 5, second clutch C 2, power-transfer clutch cover body 11, dynamotor M, make dynamotor M reverse drive.Thus, dynamotor M generating, the deceleration energy regeneration, storage battery BAT charging simultaneously, realizes regenerative brake.This moment first clutch C 1Because of disconnecting, propulsive effort is not passed to driving engine E, can prevent the loss due to friction that the driving engine reverse drive causes.And this moment can shutting engine down fuel spray, eliminates invalid consumption of fuel, reduction combustion expense.
(8) the anxious anxious braking of slowing down
With first clutch C 1, second clutch C 2Be to engage (not illustrating among Fig. 4) simultaneously, under the propulsive effort effect of variable-speed motor T/M side, dynamotor M and the equal reverse drive of driving engine E.Thus, the friction that is applied to the driving engine on the regenerative brake also can utilize, and can obtain high deceleration force braking force.
(9) generating during vehicle stops and charging
With first clutch C 1Engage second clutch C 2Disconnect (not shown among Fig. 4), to drive driving engine.Like this, the propulsive effort of driving engine is delivered to input shaft 4, first clutch C 1, power-transfer clutch cover body 11, dynamotor M, make dynamotor M reverse drive.Thus, dynamotor M generating can be charged to storage battery BAT.And can unload this electric part, drive outside PTO etc.
Like this, adopt this device, can realize various operation modes, help to reduce the combustion expense and improve exhaust.
In addition, this device has a following advantage textural.That is, this device is with two power-transfer clutch C 1, C 2With become modularization in dynamotor M is accommodated in hood 2.In the past, have the mechanism with such 2 power-transfer clutchs and dynamotor, but be the special designs to special vehicle, it almost is impossible using existing driving engine or change-speed box and adopting same layout.This device can in statu quo use existing driving engine and change-speed box because modularization, and its layout need not change fully, perhaps only needs a very little change just can install.Therefore, also, former non-mixed automobile can be become hybrid automobile, can make a car type that bigger variation is arranged applicable to the vehicle beyond existing vehicle and the hybrid power special vehicle.Like this, this device has high universalizable.
More particularly, also as shown in Figure 3, first clutch C 1With second clutch C 2At axially adjacency setting, first clutch C 1Input part (input shaft 4) and second clutch C 2The coaxial setting of efferent (output shaft 5), be provided with at the outer circumferential side of these input parts and efferent and constitute first clutch C 1Efferent and second clutch C 2The shared power-transfer clutch cover body 11 of input part.Thus, from first clutch C 1Input part to second clutch C 2The power transfer path of efferent be from central side → outer circumferential side → central side.Usually, even be provided with two power-transfer clutchs, also be, in any case axle is all elongated from central side → central side → central side.And in this device, owing to be provided with the path of transmitting power at outer circumferential side, the length of axle can shorten corresponding this part, can make the device compactness.Thus, also can insert existing space.
When the assembling, as inserting this device 1 from the rear with variable-speed motor T/M, then naturally and understandably the input shaft 5a of variable-speed motor T/M will with inner panel wheel hub 12 2Spline is chimeric, makes both become bonding state.Assembling is very simple like this.
In addition, first clutch C 1With second clutch C 2Be wet multi-plate clutch,, help axial length and shorten because of disconnecting, connect the stroke weak point.Because dynamotor M is arranged at the outer circumferential side of power-transfer clutch cover body 11, can not cause the axial length lengthening.Diameter group is little mutually with dry type clutch for wet multi-plate clutch, and also controollable is less to install the single-piece external diameter thus.
Like this, significantly shorten and this compact device can pack into the clutch space of M/T car or the torque converter space of A/T car, also can easily be suitable for non-hybrid power special vehicle, on various car types.
In addition, at first clutch C 1With second clutch C 2Middle because of shared power-transfer clutch cover body 11 is arranged, compare with each independent occasion and can shorten axial length.Part count or component costs are subdued thus.Have again, can reduce the demand of the volume or the clutch oil of clutch chamber 22, can realize the miniaturization of feed apparatus.Because sealing station reduces, sealing element is reduced or be easy to seal.
In addition, because input shaft 4 docks with output shaft 5, and be that bound pair claims to constitute first clutch C with this docking location P 1With second clutch C 2, as aforementioned, can use identical clutch member, can reduce component costs significantly.In addition, because of near intensive each parts docking location P, can realize the whole significant miniaturization of power-transfer clutch.
The first clutch C of this device 1Because of between driving engine and dynamotor M, when light deceleration, regenerative brake, disconnect first clutch C 1, can stop propulsive effort transmission to driving engine, but the friction of combustion cutoff.Like this, when driving engine is diesel motor, because be high friction, so effective especially.
In addition, general dynamotor price is expensive, and in this device, dynamotor has only one, but cost-cutting.
In this device, the leading section of power-transfer clutch cover body 11 and rearward end are by ball bearing of main shaft 23c, and 23b supports.Like this, when at least one end of power-transfer clutch cover body 11 is supported by ball bearing of main shaft, compared by the needle roller bearing support occasion with two ends, the axial location of power-transfer clutch cover body 11 is easy, and assembling also becomes easy.Particularly, the rotating part m2 of dynamotor M is housed on power-transfer clutch cover body 11, rotating part m2 can not accurately aim at the center of fixed part m1, then just can not bring into play the performance of dynamotor M to greatest extent, so the axial location of power-transfer clutch cover body 11 is extremely important.Above-mentioned structure is adapted to this requirement.In addition, under the situation of two needle bearings,, thrust bearing must be arranged, but adopt ball bearing of main shaft, just need not thrust bearing, can reduce component count, help cost as at least one in order to carry out axial location.
More than, embodiments of the invention are thought of as also that other are various.For example, driving engine can adopt engine petrol etc.The present invention is applicable to the vehicle of all distribution engines, type of drive applicable to FR car, FF car etc.
The present invention can obtain following effect.
(1) layout that need not to change existing engine or speed changer just can be used, and has height Versatility.
(2) can realize 2 clutch mechanisms that axial length is short, compact.
(3) can reduce part count etc.

Claims (11)

1, a kind of hybrid drive is characterized in that, series connection is arranged between driving engine and the change-speed box and the first clutch that is made of wet multi-plate clutch and second clutch and dynamotor are accommodated in the hood, forms modularization.
2, according to the described hybrid drive of claim 1, it is characterized in that, the coaxial setting of efferent with the input part and the described second clutch of described first clutch, the efferent of described first clutch is connected with the rotating part of described dynamotor, and the input part of described second clutch is connected with the rotating part of described dynamotor, the fixed position that makes described dynamotor is in the periphery of described dynamotor rotating part.
3, a kind of hybrid drive, series connection is arranged between driving engine and the change-speed box, and the first clutch that is made of wet multi-plate clutch and second clutch and dynamotor are accommodated in the hood, form modularization, it is characterized in that, described first clutch and second clutch are in axial adjacency, the input part of described first clutch and the coaxial setting of the efferent of described second clutch, outer circumferential side at these input parts and efferent, be provided with the shared power-transfer clutch cover body that constitutes described first clutch efferent and described second clutch input part, at the peripheral part of this power-transfer clutch cover body the rotating part of described dynamotor is housed, and the fixed part of described dynamotor is housed in the interior perimembranous of described cover body.
According to the described hybrid drive of claim 3, it is characterized in that 4, described first clutch has input shaft, the first clutch plate that is arranged on this input shaft outer circumferential side and the first clutch piston that constitutes its input part; Described second clutch has the output shaft that constitutes its efferent, is arranged on second clutch plate and second clutch piston on this output shaft outer circumferential side; Described power-transfer clutch cover body from peripheral part round these input shafts, first clutch plate, first clutch piston, output shaft, second clutch plate and second clutch piston.
5, according to the described hybrid drive of claim 4, it is characterized in that the input shaft of described first clutch and the output shaft of described second clutch and the coaxial setting of the input shaft of engine crankshaft and change-speed box, and butt joint configuration mutually.
According to the described hybrid drive of claim 5, it is characterized in that 6, described first clutch and described second clutch are the boundary with their input shaft and the docking location of output shaft, in axial symmetry.
According to each described hybrid drive of claim 4-6, it is characterized in that 7, the input shaft of described first clutch is connected with the bent axle of driving engine with shock absorption device by flywheel.
According to each described hybrid drive of claim 4-7, it is characterized in that 8, the output shaft of described second clutch and the input shaft of change-speed box are shared.
According to the described hybrid drive of claim 8, it is characterized in that 9, described second clutch has the inner panel wheel hub of the inner panel that keeps described second clutch plate, this inner panel wheel hub has the embedded hole chimeric with the input shaft spline of change-speed box.
According to each described hybrid drive of claim 3-9, it is characterized in that 10, an axial at least end of described power-transfer clutch cover body is supported by ball bearing of main shaft.
11, a kind of hybrid automobile is characterized in that, has each described hybrid drive of claim 1-10.
CN01142137A 2000-09-14 2001-09-13 Mixed driving gear Pending CN1343585A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP285250/2000 2000-09-14
JP2000285250A JP3711853B2 (en) 2000-09-14 2000-09-14 Hybrid drive device

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Publication Number Publication Date
CN1343585A true CN1343585A (en) 2002-04-10

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Application Number Title Priority Date Filing Date
CN01142137A Pending CN1343585A (en) 2000-09-14 2001-09-13 Mixed driving gear

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JP (1) JP3711853B2 (en)
CN (1) CN1343585A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
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CN100434299C (en) * 2004-04-28 2008-11-19 爱信艾达株式会社 Drive device for hybrid vehicle
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