CN203477201U - Hybrid power double clutch gearbox - Google Patents

Hybrid power double clutch gearbox Download PDF

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Publication number
CN203477201U
CN203477201U CN201320505447.5U CN201320505447U CN203477201U CN 203477201 U CN203477201 U CN 203477201U CN 201320505447 U CN201320505447 U CN 201320505447U CN 203477201 U CN203477201 U CN 203477201U
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CN
China
Prior art keywords
gear
driving
grades
gears
driven
Prior art date
Application number
CN201320505447.5U
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Chinese (zh)
Inventor
秦相
李修蓬
其他发明人请求不公开姓名
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吉孚动力技术(中国)有限公司
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Priority to CN201320505447.5U priority Critical patent/CN203477201U/en
Application granted granted Critical
Publication of CN203477201U publication Critical patent/CN203477201U/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths

Abstract

The utility model discloses a hybrid power double clutch gearbox. Particularly, the hybrid power double clutch gearbox is provided with seven forward gears, a reverse gear, four synchronizers, a short idler shaft and a hybrid power unit. The four synchronizers are respectively connected with two of the gears optionally. An independent gear is used as a driving gear of each gear inside the gearbox. The hybrid power double clutch gearbox has the advantages that economical efficiency and power performance are better since the structure that the gearbox comprises the seven forward gears is designed; the arrangement of the seven forward gears and the reverse gear is more reasonable; each synchronizer acts on two of the gears at the same time, so that the synchronizers are fully utilized; the independent gears are adopted for all the driving gears, so that tooth numbers are convenient to design, and the speed ratio is convenient to match; the structure of the short idler shaft reduces the space of the gearbox, so that rigidity is good, and no deflection or deformation exists; the hybrid power unit can recover electric energy, so that energy conservation and environmental protection are realized; additional torque can also be provided; power distribution is reasonable and high in efficiency.

Description

A kind of mixed moving double clutch gearbox
Technical field
The utility model relates to a kind of double clutch gearbox, relates in particular to a kind of mixed moving seven forward gears double clutch gearboxes.
Background technique
The concept of dual-clutch transmission (DCT) has had the history of 60 or seven ten years up till now.As far back as nineteen thirty-nine Germany Kegresse.A first applied for the patent of dual-clutch transmission, proposed manual transmission to be divided into two-part design concept, a part is transmitted odd number shelves, another part transmits even number shelves, and its transmission of power is by two input shafts of two clutch couplings, the driven gear of adjacent each grade interlocks and two input shaft gears engagements, coordinate the control of two clutches, can realize transmission ratio in the situation that not cutting off power, thereby shorten shift time, effectively improve property of automatic shft.
The automobile market of China will develop the change of important meaning in the coming years: rules and market pressure require to improve fuel consumption and emission; Keen competition brings larger cost pressure to car load factory; The increase of city automobile recoverable amount and some crowded regions also require to improve the travelling comfort of driving.Double clutch gearbox has produced exactly under this background.It is short that double clutch gearbox has shift time, engages and carry out the advantages such as suitable, so double clutch gearbox (especially on B level car and SUV) on a lot of cars has application more and more widely.
In prior art, as mentioned a kind of known double clutch gearbox in CN1621715, this double clutch gearbox is six advance gear designs, and adopts short idler shaft and three groups of dual gears, its short-and-medium idler shaft position arranges unreasonable, without the mixed moving device of enough space mounting; Six advance the design of gear compared to seven gears that advance, and Economy and power character are lower, and engine efficiency loss is high; Three groups of dual gears have increased the difficulty of number of teeth proportioning, are difficult to realize the requirement of car load speed ratio.
Model utility content
The purpose of this utility model is to solve above-mentioned technical problem, proposes a kind of mixed moving double clutch gearbox.
The purpose of this utility model, to be achieved by the following technical programs: a kind of mixed moving double clutch gearbox, comprise: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox, and be arranged at the mixed moving cell in gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described output shaft parallels with input shaft and is positioned at input shaft both sides,
Especially,
Described mixed moving double clutch gearbox is provided with seven advance gear and reverse gear positions,
Described the first input shaft is installed with one grade of driving gear, third speed drive gear, five grades of driving gears and seven grades of driving gears, described one grade of driving gear is arranged between seven grades of driving gears and five grades of driving gears, and described five grades of driving gears are arranged between one grade of driving gear and third speed drive gear;
Described the second input shaft is installed with second gear driving gear, fourth gear driving gear and six grades of driving gears, described fourth gear driving gear is arranged between six grades of driving gears and second gear driving gear, described six grades of driving gears are adjacent with third speed drive gear, described second gear driving gear is adjacent with clutch
Described the first output shaft is set with first speed driven gear, second gear driven gear, third gear driven gear, fourth gear driven gear,
Described the second output shaft is set with five grades of driven gears, six grades of driven gears, seven grades of driven gears and reverse gear driven gear,
Described first speed driven gear and one grade of driving gear engagement, described second gear driven gear and the engagement of second gear driving gear,
Described third gear driven gear and third speed drive gear engagement, described five grades of driven gears and the engagement of five driving gears,
Described fourth gear driven gear and the engagement of fourth gear driving gear, described six grades of driven gears and the engagement of six driving gears,
Described seven grades of driven gears and seven grades of driving gear engagements,
On described the first output shaft, be relatively fixed with a third gear synchronizer and two fourth gear synchronizers, a described third gear synchronizer can select to connect first speed driven gear or third gear driven gear, and described two fourth gear synchronizers can select to connect second gear driven gear or fourth gear driven gear;
On described the second output shaft, be relatively fixed with five or seven grades of synchronizers and six reversing-gear synchronizers, described five or seven grades of synchronizers can select to connect five grades of driven gears or seven grades of driven gears, described six reversing-gear synchronizers can select to connect six grades of driven gears and reverse gear driven gear
Described mixed moving double clutch gearbox is also provided with short idler shaft, and described short idler shaft is provided with the first reverse gear and the second reverse gear, described the first reverse gear and the engagement of second gear driving gear, described the second reverse gear and the engagement of reverse gear driven gear.
Described short idler shaft connects mixed moving cell.
Preferably, described the first output shaft is also provided with the first main driving gear that subtracts, and described the first master subtracts driving gear and is connected in a differential mechanism.
Preferably, described the second output shaft is also provided with the second main driving gear that subtracts, and described the second master subtracts driving gear and connects described differential mechanism.
Preferably, axially distance is suitable to reverse gear driven gear for described short idler shaft length and second gear driving gear, and described the first reverse gear tooth and the second reverse gear tooth are arranged at short idler shaft two ends.
Preferably, described mixed moving cell is motor.
The beneficial effects of the utility model are mainly reflected in:
1, the design of the mixed moving seven forward gears gearbox designs of the utility model, makes motor have better Economy and power character, and engine efficiency loss is little;
2, seven forward gearss and reverse gear arrange more reasonable, convenient for assembly;
3, each synchronizer is simultaneously effective to two gears, and synchronizer is fully utilized;
4, all driving gears of the present utility model all adopt independent gear, and number of teeth design is more convenient, is convenient to mate speed ratio;
5, short idler shaft structure, has saved the space of gearbox, good rigidity, the distortion of unperturbed degree.
6, mixed moving cell can reclaim electric energy, energy-conserving and environment-protective; Additional torque can also be provided; Mixed moving cell connection two, four, six, reverse gear, power division is reasonable and efficiency is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mixed moving double clutch gearbox of the utility model.
Embodiment
The utility model provides a kind of mixed moving double clutch gearbox, as shown in Figure 1, a kind of mixed moving double clutch gearbox, comprise: the first output shaft 30 and the second output shaft 40 that are arranged on first clutch 1, the second clutch 2 in clutch housing and stretch out in the housing of gearbox, and be arranged at the mixed moving cell 70 in gearbox.
First clutch 1 is connected with the first input shaft 10, and second clutch 2 is connected with the second input shaft 20 and the second input shaft 20 is socketed on the first input shaft 10, and output shaft parallels with input shaft and is positioned at input shaft both sides.First clutch 1 and second clutch 2 have the transmission of selection Engine torque to the first output shaft 10 and the second output shaft 20.
Mixed moving double clutch gearbox is provided with seven advance gear and reverse gear positions.The design of seven grades of gearbox designs, makes motor have better Economy and power character, and engine efficiency loss is little.
The first input shaft 10 is installed with one grade of driving gear 101, third speed drive gear 102, five grades of driving gears 103 and seven grades of driving gears 104, one grade of driving gear 101 is arranged between seven grades of driving gears 104 and five grades of driving gears 103, and five grades of driving gears 103 are arranged between one grade of driving gear 101 and third speed drive gear 102.
The second input shaft 20 is installed with second gear driving gear 201, fourth gear driving gear 202 and six grades of driving gears 203, fourth gear driving gear 202 is arranged between six grades of driving gears 203 and second gear driving gear 201, six grades of driving gears 203 are adjacent with third speed drive gear 102, and second gear driving gear 201 is adjacent with clutch.
The first output shaft 30 is set with first speed driven gear 301, second gear driven gear 302, third gear driven gear 303, fourth gear driven gear 304.
The second output shaft 40 is set with five grades of driven gears 405, six grades of driven gears 406, seven grades of driven gears 407 and reverse gear driven gears 408.
First speed driven gear 301 and one grade of driving gear 101 engagement, second gear driven gear 302 and 201 engagements of second gear driving gear.
102 engagements of third gear driven gear 303 and third speed drive gear, five grades of driven gears 405 mesh with five driving gears 103.
202 engagements of fourth gear driven gear 304 and fourth gear driving gear, six grades of driven gears 406 mesh with six driving gears 203.
Seven grades of driven gears 407 and seven grades of driving gear 103 engagements.
On the first output shaft 30, be relatively fixed with a third gear synchronizer 501 and two fourth gear synchronizers 502, one third gear synchronizer 501 can select to connect first speed driven gear 301 or third gear driven gear 303, two fourth gear synchronizers 502 can select to connect second gear driven gear 302 or fourth gear driven gear 304.
On the second output shaft 40, be relatively fixed with five or seven grades of synchronizers 503 and six reversing-gear synchronizers 504, five or seven grades of synchronizers 503 can select to connect five grades of driven gears 405 or seven grades of driven gear 407, six reversing-gear synchronizers 504 can select to connect six grades of driven gears 406 and reverse gear driven gear 408.
Mixed moving double clutch gearbox is also provided with short idler shaft 60, and short idler shaft 60 is provided with the first reverse gear 601 and the second reverse gear 602, the first reverse gears 601 and 201 engagements of second gear driving gear, the second reverse gear 602 and 408 engagements of reverse gear driven gear.
Short idler shaft 60 connects mixed moving cell 70, by the mixed moving cell of short idler shaft, can carry out energy recovery, and extra moment of torsion output can be provided simultaneously.
In addition, the first output shaft 30 is also provided with the first main driving gear that subtracts, the first master subtracts driving gear and connects a differential mechanism, the second output shaft 40 is also provided with the second main driving gear that subtracts, the second master subtracts driving gear and connects above-mentioned differential mechanism, differential mechanism is mainly used in first and second output shaft rotating speed to control, and first and second master subtracts driving gear and differential mechanism belongs to prior art, so omit this part in accompanying drawing.
Mixed moving cell 70 is motor, and electronic function provides extra moment of torsion output, and has the effect of storing electrical energy, energy-conserving and environment-protective.
Above-mentioned short idler shaft 60 is described in detail, short idler shaft 60 length and second gear driving gear 201 are suitable to reverse gear driven gear 408 axial distances, the short idler shaft 60 of this length has been saved the space of gearbox, and there is good rigidity, the feature of unperturbed degree distortion, the first reverse gear tooth 601 and the second reverse gear tooth 602 are arranged at short idler shaft 60 two ends.
Below will be elaborated to mixed moving each gear switch of double clutch gearbox of the utility model:
First the utility model relates to mixed moving double clutch switching problem, and double clutch switching belongs to prior art, admittedly do not repeat them here, by switching between double clutch, motor drives switching to the first input shaft 10 and the second input shaft 20.
When neutral gear: first clutch and second clutch are all in off state, and engine power is not exported.
In the time of one grade: a third gear synchronizer 501 engages with first speed driven gear 301, engine-driving the first input shaft 10 rotates, the first input shaft 10 drives one grade of driving gear 101 to rotate, one grade of driving gear 101 drives first speed driven gear 301 to rotate, first speed driven gear 301 drives a third gear synchronizer 501 to rotate, and a third gear synchronizer 501 drives the first output shaft 30 to rotate output.
When second gear: two fourth gear synchronizers 502 engage with second gear driven gear 302, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives second gear driven gear 302 to rotate, second gear driven gear 302 drives two fourth gear synchronizers 502 to rotate, and two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
When third gear: a third gear synchronizer 501 engages with third gear driven gear 303, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives third speed drive gear 102 to rotate, third speed drive gear 102 drives third gear driven gear 303 to rotate, third gear driven gear 303 drives a third gear synchronizer 501 to rotate, and a third gear synchronizer 501 drives the first output shaft 30 to rotate output.
When fourth gear: two fourth gear synchronizers 502 engage with fourth gear driven gear 304, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives fourth gear driving gear 202 to rotate, fourth gear driving gear 202 drives fourth gear driven gear 304 to rotate, fourth gear driven gear 304 drives two fourth gear synchronizers 502 to rotate, and two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
In the time of five grades: five or seven grades of synchronizers 503 engage with five grades of driven gears 405, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives five grades of driving gears 103 to rotate, five grades of driving gears 103 drive five grades of driven gears 405 to rotate, five grades of driven gears 405 drive five or seven grades of synchronizers 503 to rotate, and five or seven grades of synchronizers 503 drive the second output shaft 40 to rotate output.
In the time of six grades: six reversing-gear synchronizers 504 engage with six grades of driven gears 406, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives six grades of driving gears 203 to rotate, six grades of driving gears 203 drive six grades of driven gears 406 to rotate, six grades of driven gears 406 drive six reversing-gear synchronizers 504 to rotate, and six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
In the time of seven grades: five or seven grades of synchronizers 503 engage with seven grades of driven gears 407, motor drives the first input shaft 10 to rotate by driving the second input shaft 20 to switch to, the first input shaft 10 drives seven grades of driving gears 103 to rotate, seven grades of driving gears 103 drive seven grades of driven gears 407 to rotate, seven grades of driven gears 407 drive five or seven grades of synchronizers 503 to rotate, and five or seven grades of synchronizers 503 drive the second output shaft 40 to rotate output.
When reverse gear: six reversing-gear synchronizers 504 engage with reverse gear driven gear 408, motor drives the second input shaft 20 to rotate by driving the first input shaft 10 to switch to, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives short idler shaft 60 to rotate by the first reverse gear 601, the second reverse gear 602 of short idler shaft 60 drives reverse gear driven gear 408 to rotate, reverse gear driven gear 408 rotates and drives six reversing-gear synchronizers 504 to rotate, and six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
Below will mixed moving cell in the mixed moving double clutch gearbox of the utility model be got involved and will be elaborated:
Mixed moving cell is connected with short idler shaft, and the mixed moving cell in embodiment is motor, mainly by short idler shaft rotation, carries out energy recovery, and the energy of motor reclaims principle and belongs to prior art, admittedly do not repeat them here.
When energy reclaims: when second gear, fourth gear, six grades and reverse gear, the second input shaft 20 rotates, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives short idler shaft 60 to rotate by the first reverse gear 601, and mixed moving cell 70 is electric energy savings by the kinetic transformation of short idler shaft.
Moment of torsion when output: when second gear, fourth gear, six grades and reverse gear, all can carry out moment of torsion output,
During second gear, two fourth gear synchronizers 502 engage with second gear driven gear 302, mixed moving cell 70 drives short idler shaft 60 to rotate, short idler shaft 60 rotates and drives the first reverse gear 601 to rotate, the first reverse gear 601 rotates by lazy-tongs of the prior art and motor output and acts on the second input shaft 20 simultaneously, the second input shaft 20 rotates and drives second gear driving gear 201 to rotate, second gear driving gear 201 drives second gear driven gear 302 to rotate, second gear driven gear 302 drives two fourth gear synchronizers 502 to rotate, two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
During fourth gear, two fourth gear synchronizers 502 engage with fourth gear driven gear 304, mixed moving cell 70 drives short idler shaft 60 to rotate, short idler shaft 60 rotates and drives the first reverse gear 601 to rotate, the first reverse gear 601 rotates by lazy-tongs of the prior art and motor output and acts on the second input shaft 20 simultaneously, the second input shaft 20 drives fourth gear driving gear 202 to rotate, fourth gear driving gear 202 drives fourth gear driven gear 304 to rotate, fourth gear driven gear 304 drives two fourth gear synchronizers 502 to rotate, two fourth gear synchronizers 502 drive the first output shaft 30 to rotate output.
In the time of six grades, six reversing-gear synchronizers 504 engage with six grades of driven gears 406, mixed moving cell 70 drives short idler shaft 60 to rotate, short idler shaft 60 rotates and drives the first reverse gear 601 to rotate, the first reverse gear 601 rotates by lazy-tongs of the prior art and motor output and acts on the second input shaft 20 simultaneously, the second input shaft 20 drives six grades of driving gears 203 to rotate, six grades of driving gears 203 drive six grades of driven gears 406 to rotate, six grades of driven gears 406 drive six reversing-gear synchronizers 504 to rotate, six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
During reverse gear, six reversing-gear synchronizers 504 engage with reverse gear driven gear 408, motor is by driving the second input shaft 20 to rotate, the second input shaft 20 drives second gear driving gear 201 to rotate, second gear driving gear 201 drives short idler shaft 60 to rotate by the first reverse gear 601, mixed moving cell 70 drives short idler shaft 60 to rotate by lazy-tongs of the prior art simultaneously, the second reverse gear 602 of short idler shaft 60 drives reverse gear driven gear 408 to rotate, reverse gear driven gear 408 rotates and drives six reversing-gear synchronizers 504 to rotate, six reversing-gear synchronizers 504 drive the second output shaft 40 to rotate output.
Mixed moving cell, in the hands off situation of motor, also can carry out moment of torsion output.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming, within all dropping on protection domain of the present utility model.

Claims (5)

1. mix a moving double clutch gearbox, comprising: the first output shaft and the second output shaft that are arranged on first clutch, the second clutch in clutch housing and stretch out in the housing of described gearbox, and be arranged at the mixed moving cell in gearbox;
Described first clutch is connected with the first input shaft, and described second clutch is connected with the second input shaft and the second input shaft is socketed on the first input shaft, and described output shaft parallels with input shaft and is positioned at input shaft both sides,
It is characterized in that:
Described mixed moving double clutch gearbox is provided with seven advance gear and reverse gear positions,
Described the first input shaft is installed with one grade of driving gear, third speed drive gear, five grades of driving gears and seven grades of driving gears, described one grade of driving gear is arranged between seven grades of driving gears and five grades of driving gears, and described five grades of driving gears are arranged between one grade of driving gear and third speed drive gear;
Described the second input shaft is installed with second gear driving gear, fourth gear driving gear and six grades of driving gears, described fourth gear driving gear is arranged between six grades of driving gears and second gear driving gear, described six grades of driving gears are adjacent with third speed drive gear, described second gear driving gear is adjacent with clutch
Described the first output shaft is set with first speed driven gear, second gear driven gear, third gear driven gear, fourth gear driven gear,
Described the second output shaft is set with five grades of driven gears, six grades of driven gears, seven grades of driven gears and reverse gear driven gear,
Described first speed driven gear and one grade of driving gear engagement, described second gear driven gear and the engagement of second gear driving gear,
Described third gear driven gear and third speed drive gear engagement, described five grades of driven gears and the engagement of five driving gears,
Described fourth gear driven gear and the engagement of fourth gear driving gear, described six grades of driven gears and the engagement of six driving gears,
Described seven grades of driven gears and seven grades of driving gear engagements,
On described the first output shaft, be relatively fixed with a third gear synchronizer and two fourth gear synchronizers, a described third gear synchronizer can select to connect first speed driven gear or third gear driven gear, and described two fourth gear synchronizers can select to connect second gear driven gear or fourth gear driven gear;
On described the second output shaft, be relatively fixed with five or seven grades of synchronizers and six reversing-gear synchronizers, described five or seven grades of synchronizers can select to connect five grades of driven gears or seven grades of driven gears, described six reversing-gear synchronizers can select to connect six grades of driven gears and reverse gear driven gear
Described mixed moving double clutch gearbox is also provided with short idler shaft, and described short idler shaft is provided with the first reverse gear and the second reverse gear, described the first reverse gear and the engagement of second gear driving gear, described the second reverse gear and the engagement of reverse gear driven gear;
Described short idler shaft connects mixed moving cell.
2. a kind of mixed moving double clutch gearbox according to claim 1, is characterized in that: described the first output shaft is also provided with the first main driving gear that subtracts, and described the first master subtracts driving gear and is connected in a differential mechanism.
3. a kind of mixed moving double clutch gearbox according to claim 2, is characterized in that: described the second output shaft is also provided with the second main driving gear that subtracts, and described the second master subtracts driving gear and connects described differential mechanism.
4. a kind of mixing according to claim 1 moved double clutch gearbox, it is characterized in that: axially distance is suitable to reverse gear driven gear for described short idler shaft length and second gear driving gear, and described the first reverse gear and the second reverse gear are arranged at short idler shaft two ends.
5. a kind of mixed moving double clutch gearbox according to claim 1, is characterized in that: described mixed moving cell is motor.
CN201320505447.5U 2013-08-19 2013-08-19 Hybrid power double clutch gearbox CN203477201U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320505447.5U CN203477201U (en) 2013-08-19 2013-08-19 Hybrid power double clutch gearbox

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320505447.5U CN203477201U (en) 2013-08-19 2013-08-19 Hybrid power double clutch gearbox

Publications (1)

Publication Number Publication Date
CN203477201U true CN203477201U (en) 2014-03-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320505447.5U CN203477201U (en) 2013-08-19 2013-08-19 Hybrid power double clutch gearbox

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453080A (en) * 2013-08-19 2013-12-18 吉孚动力技术(中国)有限公司 Hybrid double clutch transmission

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103453080A (en) * 2013-08-19 2013-12-18 吉孚动力技术(中国)有限公司 Hybrid double clutch transmission

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Granted publication date: 20140312

Termination date: 20140819

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