JPH02275148A - Twin clutch type gear shifter - Google Patents
Twin clutch type gear shifterInfo
- Publication number
- JPH02275148A JPH02275148A JP1092808A JP9280889A JPH02275148A JP H02275148 A JPH02275148 A JP H02275148A JP 1092808 A JP1092808 A JP 1092808A JP 9280889 A JP9280889 A JP 9280889A JP H02275148 A JPH02275148 A JP H02275148A
- Authority
- JP
- Japan
- Prior art keywords
- gear
- transmission
- clutch
- low
- countershaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 claims description 50
- 230000007935 neutral effect Effects 0.000 abstract description 5
- 230000004323 axial length Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- 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
- F16H3/006—Toothed 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
-
- 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
- F16H3/0915—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 with coaxial input and output shafts
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分前〉
本発明は、自動車等の回転動力伝達系に用いられるツイ
ンクラッチ式変速機に関するものである。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application> The present invention relates to a twin clutch type transmission used in a rotary power transmission system of an automobile or the like.
〈従来の技術〉
同軸線上に２つのクラッチを備え、一方のクラッチが接
続されている間に他方のフリーなりラッチ側でシフトが
行われ、クラッチの切り換えにより瞬間的に変速して変
速操作時間の短縮化を図ったツインクラッチ式変速機は
例えば特開閉５７−１７９４５７号で公知となっている
。<Prior art> Two clutches are provided on the same axis, and while one clutch is engaged, a shift is performed on the other free latch side, and by switching the clutch, the gear is changed instantaneously, reducing the shift operation time. A twin clutch type transmission with a shortened length is known, for example, from Japanese Patent Application Laid-Open No. 57-179457.
〈発明が解決しようとする課題〉
上記従来の変速機は、２つのクラッチが入力軸側の同一
線上で大きく離れた位置に配置され、しかも入力軸側の
変速キヤ群と出力軸側の変速ギヤ群は、変速段数に応じ
た直列に配置噛合している構成である。従って、例えば
６段の変速段数の場合には、同軸上に６枚のギヤを直列
配置することになり、多段変速を可能にすればするほど
変速機の軸方向長さが長くなり、これに伴い２つのクラ
ッチも大きく離間して大型化する不具合がある。<Problems to be Solved by the Invention> In the conventional transmission described above, the two clutches are arranged on the same line on the input shaft side at widely separated positions, and the transmission gear group on the input shaft side and the transmission gear group on the output shaft side The groups are arranged and meshed in series according to the number of gears. Therefore, for example, in the case of 6 gears, 6 gears are arranged in series on the same axis, and the more gears that can be shifted, the longer the axial length of the transmission becomes. Accordingly, there is a problem that the two clutches are also separated by a large distance and become larger.
〈課題を解決するための手段〉
本発明は、上記従来の不具合を改善したツインクラッチ
式変速機を提供するもので、その特徴とする構成は、主
変速機と、この主変速機と縦列した副変速機とからなり
、前記主″変速機には第１入力軸と、この第１入力軸上
に回転自在に嵌挿された第２入力軸とを備え、前記第１
入力軸に第１クラッチを、第２入力軸には第２クラッチ
を設け、第１入力軸上に第１変速ギヤ並びに第３変速ギ
ヤが、また第２入力軸上に第２変速ギヤ並びに第４変速
ギヤが固設され、前記副変速機には前記第１入力軸と同
一軸線の出力軸を有し、この出力軸上にロードライブギ
ヤとハイドライブギヤが遊転軸承されており、副軸を前
記第１入力軸並びに出力軸と平行な軸線で前記主変速機
並びに副変速機に渡って回転自在に設け、主変速機側の
副軸上には第１変速ギヤと噛合する第１副軸ギヤー第３
変速ギヤと噛合する第３副軸ギヤー第２変速ギヤと噛合
する第２副軸ギヤー第４変速ギヤと噛合する第４副軸ギ
ヤか全て遊転軸承され、副変速機側の副軸上にはロード
ライブギヤと噛合するロー副軸ギヤ並びにハイドライブ
ギヤと噛合するハイ副軸ギヤが固設され、前記第２副軸
ギヤと第４副軸ギヤ間に第１ドッグクラッチを、第３副
軸ギヤと第１副軸ギヤ間に第２ドッグクラッチを、ロー
副軸ギヤとハイドライブギヤ間に第３ドッグクラッチを
それぞれ配置して成るものである。<Means for Solving the Problems> The present invention provides a twin clutch type transmission that improves the above-mentioned conventional problems, and its characteristic configuration is that of a main transmission and the main transmission includes a first input shaft and a second input shaft rotatably fitted onto the first input shaft;
A first clutch is provided on the input shaft, a second clutch is provided on the second input shaft, a first speed change gear and a third speed change gear are provided on the first input shaft, and a second speed change gear and a third speed change gear are provided on the second input shaft. A four-speed gear is fixedly installed, and the sub-transmission has an output shaft coaxial with the first input shaft, and a low drive gear and a high drive gear are rotatably supported on this output shaft. A shaft is rotatably provided across the main transmission and the sub-transmission with an axis parallel to the first input shaft and the output shaft, and a first shaft is provided on the sub-shaft on the main transmission side and meshes with the first transmission gear. Countershaft gear 3rd
The third countershaft gear meshes with the transmission gear, the second countershaft gear meshes with the second transmission gear, and the fourth countershaft gear meshes with the fourth transmission gear. A low countershaft gear that meshes with the low drive gear and a high countershaft gear that meshes with the high drive gear are fixedly installed, a first dog clutch is connected between the second countershaft gear and the fourth countershaft gear, and a third subshaft gear is connected between the second countershaft gear and the fourth countershaft gear. A second dog clutch is arranged between the shaft gear and the first countershaft gear, and a third dog clutch is arranged between the low countershaft gear and the high drive gear.
く作 用〉
本発明は上記の構成により、第１．２クラッチの選択切
替と、主変速機側の第１，２ドッグクラッチの切替によ
り第１速〜第４速の４段の変速を、副変速機側の第３ド
ッグクラッチの切替でロードライブギヤとハイドライブ
ギヤの選択により都合８段の多段変速を可能とししたも
のである。With the above-described configuration, the present invention can shift gears in four stages from 1st to 4th speeds by selectively switching the 1st and 2nd clutches and switching the 1st and 2nd dog clutches on the main transmission side. By switching the third dog clutch on the auxiliary transmission side, it is possible to select a low drive gear or a high drive gear, thereby making it possible to perform multi-speed shifting of eight stages in total.
〈実施例〉
以下本発明の実施例を図面に基づいて説明する。１は主
変速機、２は前記主変速Ｒ１と縦列した副変速機である
。前記主変速機１には第１人山軸３ａと、この第１人角
軸３ａ上に回転自在に嵌挿された第２入力軸３ｂとを備
え、第１人山軸３ａに第１クラッチ４ａが、第２入力軸
３ｂに第２クラッチ４ｂが設けられている。前記第１人
角軸３ａ上に第１変速ギヤラ並びに第３変速ギヤ６が、
また第２°入力軸３ｂ上に第２変速ギヤ７並びに第４変
速ギヤ８が固設されている。<Example> Hereinafter, an example of the present invention will be described based on the drawings. 1 is a main transmission, and 2 is a sub-transmission connected in series with the main transmission R1. The main transmission 1 includes a first input shaft 3a and a second input shaft 3b rotatably fitted onto the first input shaft 3a, and a first clutch is connected to the first input shaft 3a. 4a, a second clutch 4b is provided on the second input shaft 3b. A first speed change gear and a third speed change gear 6 are disposed on the first human angle shaft 3a,
Further, a second speed change gear 7 and a fourth speed change gear 8 are fixedly installed on the second degree input shaft 3b.
前記副変速機２には前記第１入力軸３ａと同一軸線の出
力軸９を有し、この出力軸９上にはロードライブギヤ１
１とハイドライブギヤ１２が遊転自在に軸承されている
。The sub-transmission 2 has an output shaft 9 coaxial with the first input shaft 3a, and a road drive gear 1 is mounted on the output shaft 9.
1 and a high drive gear 12 are rotatably supported.
１３は副軸（カウンタシャフト）であり、第１人山軸３
ａ並びに出力軸つと平行な軸線で主変速機１と副変速機
２とに渡って回転自在に設けられている。この副軸１３
の主変速１！１１側には、第１変速ギヤ５と噛合する第
１副軸ギヤ１４と、第３変速ギヤ６と噛合する第３副軸
ギヤ１５と、第２変速ギヤ７と噛合する第２副軸ギヤ１
６と、第４変速ギヤ８と噛合する第４副軸ギヤ１７とか
全て遊転自在に軸承されている。また、副変速Ｒ２側の
副軸１３にはロードライブギヤ１１と噛合するするロー
副軸ギヤ１８とハイドライブギヤ１２と噛合するハイ副
軸ギヤ１９が固設されている。13 is a subshaft (countershaft), which is the first shaft 3
It is rotatably provided across the main transmission 1 and the sub-transmission 2 with an axis parallel to the a and output shafts. This secondary shaft 13
On the main transmission 1!11 side, there is a first subshaft gear 14 that meshes with the first transmission gear 5, a third subshaft gear 15 that meshes with the third transmission gear 6, and a second subshaft gear 15 that meshes with the second transmission gear 7. 2nd subshaft gear 1
6 and a fourth subshaft gear 17 that meshes with the fourth speed change gear 8 are all rotatably supported. Furthermore, a low countershaft gear 18 that meshes with the low drive gear 11 and a high countershaft gear 19 that meshes with the high drive gear 12 are fixed to the countershaft 13 on the side of the subshift R2.
さらに、前記第２副軸ギヤ１６と第４副軸ギヤ１７との
間に第１ドッグクラッチ２０が、第３副軸ギヤ１５と第
１副軸ギヤ１４との間に第２ドッグクラッチ２１が設け
られ、ロードライブギヤ１１とハイドライブギヤ１２と
の間に第３ドッククラッチ２２が設けられている。Further, a first dog clutch 20 is provided between the second subshaft gear 16 and the fourth subshaft gear 17, and a second dog clutch 21 is provided between the third subshaft gear 15 and the first subshaft gear 14. A third dock clutch 22 is provided between the low drive gear 11 and the high drive gear 12.
次に上記構成の動作について説明する。先ず副変速１２
ｆｆｌの第３ドッグクラッチ２２をロードライブギヤ１
１側にシフトした状態で、第１クラッチ４ａを接続し、
第１ドッグクラッチ２０を中立とし、第２ドッグクラッ
チ２１を第１副軸ギヤ１４側にシフトすると、第１人角
軸３ａからのトルクは第１変速ギヤラ、第１副軸ギヤ１
４、副軸１３、ロー副軸ギヤ１８、ロードライブギヤ１
１を経て出力軸９に収り出される。これかロー側第１速
である。次に第１クラッチ４ａを切離して第２クラッチ
４ｂを接続し、第２ドッグクラッチ２１を中立に、第１
ドッグクラッチ２０を第２副軸ギヤ１６側ヘシフトする
と、第２人山軸３ｂからのトルクは第２変速ギヤ７、第
２副軸ギヤ１６、副軸１３、口副軸ギヤ１８、ロードラ
イブギヤ１１を経て出力軸９に収り出される。これがロ
ー側第２遠である。さらに、第２クラッチ４ｂを切離し
、第１クラッチ４ａを接続し、第１ドッグクラッチ２０
を中立に、第２ドッグクラッチ２１を第３副軸ギヤ１５
側ヘシフトすると第１人角軸３ａからのトルクは第３変
速ギヤ６、第３副軸ギヤ１５、副軸１３、口副軸ギヤ１
８、ロードライブギヤ１１を経て出力軸９に収り出され
る。これがロー第３速である。Next, the operation of the above configuration will be explained. First, sub-shift 12
ffl third dog clutch 22 to road drive gear 1
With the gear shifted to the 1 side, connect the first clutch 4a,
When the first dog clutch 20 is set to neutral and the second dog clutch 21 is shifted to the first subshaft gear 14 side, the torque from the first human angle shaft 3a is transferred to the first transmission gear and the first subshaft gear 1.
4, subshaft 13, low subshaft gear 18, low drive gear 1
1 and is delivered to the output shaft 9. This is the low first speed. Next, the first clutch 4a is disconnected, the second clutch 4b is connected, the second dog clutch 21 is set to neutral, and the first clutch 4b is connected.
When the dog clutch 20 is shifted to the second countershaft gear 16 side, the torque from the second gear shaft 3b is transferred to the second transmission gear 7, the second countershaft gear 16, the countershaft 13, the countershaft gear 18, and the load drive gear. 11 and is delivered to the output shaft 9. This is the second far distance on the low side. Further, the second clutch 4b is disconnected, the first clutch 4a is connected, and the first dog clutch 20
to neutral, and the second dog clutch 21 to the third subshaft gear 15.
When shifted to the side, the torque from the first human angle shaft 3a is transferred to the third transmission gear 6, the third countershaft gear 15, the countershaft 13, and the mouth countershaft gear 1.
8, is delivered to the output shaft 9 via the road drive gear 11. This is the low third speed.
また、第１クラッチ４ａを切漏し、第２クラッチ４ｂを
接続し、第２ドッグクラッチ２１を中立に、第１ドッグ
クラッチ２０を第４副軸ギヤ１７側ヘシフトすると第２
人山軸３ｂからのトルクは第４変速ギヤ８、第４副軸ギ
ヤ１７、副軸１３、ロー副軸ギヤ１８、ロードライブギ
ヤ１１を経て出力軸９に取り出される。これがロー第４
速である。Further, when the first clutch 4a is disengaged, the second clutch 4b is connected, the second dog clutch 21 is set to neutral, and the first dog clutch 20 is shifted to the fourth subshaft gear 17 side, the second
Torque from the human shaft 3b is taken out to the output shaft 9 via the fourth transmission gear 8, the fourth countershaft gear 17, the countershaft 13, the low countershaft gear 18, and the low drive gear 11. This is low number 4
It's fast.
次に副変速機２の第３ドッグクラッチ２２をハイドライ
ブギヤ１２側ヘシフトし、主変速機１側を前記の要領で
第１速〜第４速に変速することにより、各速のトルクは
ハイ副軸ギヤ１９、ハイドライブギヤ１２を経て出力軸
９に取り出される。Next, by shifting the third dog clutch 22 of the auxiliary transmission 2 to the high drive gear 12 side and shifting the main transmission 1 side from 1st to 4th speeds in the manner described above, the torque at each speed is high. It is taken out to the output shaft 9 via the subshaft gear 19 and the high drive gear 12.
この時は、ハイ第１速〜ハイ第４速となる。すなわち、
ロー側で４段、ハイ側で４段の都合８段の多段変速前ら
れるのである。尚、第１．２クラッチ４ａ、４ｂ、各ド
ッグクラッチ２０．２１．２２の作動は油圧、空圧、電
磁等のアクチュエータをコンピュータにより制御する自
動変速制御方式が用いられる。At this time, the speed ranges from high first speed to high fourth speed. That is,
It has a multi-speed shift of 8 speeds, 4 speeds on the low side and 4 speeds on the high side. For the operation of the first and second clutches 4a, 4b and each dog clutch 20, 21, 22, an automatic speed change control system is used in which hydraulic, pneumatic, electromagnetic, etc. actuators are controlled by a computer.
〈発明の効果〉
以上のように本発明によれば、各速段に切替えられる変
速ギヤを有する主変速機と、前記主変速機で変速したト
ルクを、主変速機に縦列し、共通した１本の副軸を介し
てロードライブギヤとハイドライブギヤとによって切替
制御し、出力軸に収り出すようにした構成であるから、
主変速機側の変速段数の２倍のロー、ハイの多段変速が
軸方向の全長の短い変速機で得られ、しかも２つのクラ
ッチの切り換えにより瞬間的に変速が行われる利点を有
している。<Effects of the Invention> As described above, according to the present invention, a main transmission having a change gear that can be switched to each speed, and a torque shifted by the main transmission are connected in series to the main transmission and a common one is connected to the main transmission. Since the configuration is such that switching is controlled by the low drive gear and high drive gear via the subshaft of the book, and the output is delivered to the output shaft,
Multi-stage low and high gear shifting with twice the number of gears on the main transmission side can be achieved with a transmission with a short overall length in the axial direction, and it has the advantage of being able to change gears instantaneously by switching two clutches. .
図面は本発明の実施例を示す断面図である。
１・・・主変速機、２・・・副変速機、３ａ、３ｂ・・
・第１゜２入力軸、４ａ・・・第１クラツヂ、４ｂ・・
・第２クラッチ、５．６．７．８、・・・第１〜４変速
ギヤー９・・・出力軸、１１・・ロードライブギヤー１
２・・・ハイドライブギヤー１３・・・副軸、１４．１
５．１６．１７・・・第１副軸ギヤ〜第４副軸ギヤー１
８・・・ロー副軸ギヤー１９・・・ハイ副軸ギヤー２０
．２１．２２・・・第１ドッグクラッチ〜第３ドッグク
ラッチ。The drawings are cross-sectional views showing embodiments of the present invention. 1... Main transmission, 2... Sub-transmission, 3a, 3b...
・1st degree 2nd input shaft, 4a...1st clutch, 4b...
・Second clutch, 5.6.7.8,...1st to 4th gear 9...Output shaft, 11...Road drive gear 1
2...High drive gear 13...Subshaft, 14.1
5.16.17...1st subshaft gear to 4th subshaft gear 1
8...Low subshaft gear 19...High subshaft gear 20
．． 21.22...1st dog clutch to 3rd dog clutch.
Claims (1)
り、前記主変速機には第１入力軸と、この第１入力軸上
に回転自在に嵌挿された第２入力軸とを備え、前記第１
入力軸に第１クラッチを、第２入力軸には第２クラッチ
を設け、第１入力軸上に第１変速ギヤ並びに第３変速ギ
ヤが、また第２入力軸上に第２変速ギヤ並びに第４変速
ギヤが固設され、前記副変速機には前記第１入力軸と同
一軸線の出力軸を有し、この出力軸上にロードライブギ
ヤとハイドライブギヤが遊転軸承されており、副軸を前
記第１入力軸並びに出力軸と平行な軸線で前記主変速機
並びに副変速機に渡つて回転自在に設け、主変速機側の
副軸上には第１変速ギヤと噛合する第１副軸ギヤ、第３
変速ギヤと噛合する第３副軸ギヤー第２変速ギヤと噛合
する第２副軸ギヤ、第４変速ギヤと噛合する第４副軸ギ
ヤが全て遊転軸承され、副変速機側の副軸上にはロード
ライブギヤと噛合するロー副軸ギヤ並びにハイドライブ
ギヤと噛合するハイ副軸ギヤが固設され、前記第２副軸
ギヤと第４副軸ギヤ間に第１ドッグクラッチを、第３副
軸ギヤと第１副軸ギヤ間に第２ドッグクラッチを、ロー
ドライブギヤとハイドライブギヤ間に第３ドッグクラッ
チをそれぞれ配置して成るツインクラッチ式変速機。The main transmission includes a main transmission and a sub-transmission connected in series with the main transmission, and the main transmission has a first input shaft and a second input shaft rotatably inserted onto the first input shaft. and the first
A first clutch is provided on the input shaft, a second clutch is provided on the second input shaft, a first speed change gear and a third speed change gear are provided on the first input shaft, and a second speed change gear and a third speed change gear are provided on the second input shaft. A four-speed gear is fixedly installed, and the sub-transmission has an output shaft coaxial with the first input shaft, and a low drive gear and a high drive gear are rotatably supported on this output shaft. A shaft is rotatably provided across the main transmission and the sub-transmission with an axis parallel to the first input shaft and the output shaft, and a first shaft is provided on the sub-shaft on the main transmission side and meshes with the first transmission gear. Countershaft gear, 3rd
The third countershaft gear meshes with the transmission gear, the second countershaft gear meshes with the second transmission gear, and the fourth countershaft gear meshes with the fourth transmission gear. A low countershaft gear that meshes with the low drive gear and a high countershaft gear that meshes with the high drive gear are fixedly installed on the holder, and a first dog clutch is connected between the second countershaft gear and the fourth countershaft gear, and a third dog clutch is connected between the second countershaft gear and the fourth countershaft gear. A twin clutch type transmission comprising a second dog clutch arranged between a countershaft gear and a first countershaft gear, and a third dog clutch arranged between a low drive gear and a high drive gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1092808A JPH02275148A (en) | 1989-04-14 | 1989-04-14 | Twin clutch type gear shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1092808A JPH02275148A (en) | 1989-04-14 | 1989-04-14 | Twin clutch type gear shifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02275148A true JPH02275148A (en) | 1990-11-09 |
Family
ID=14064713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1092808A Pending JPH02275148A (en) | 1989-04-14 | 1989-04-14 | Twin clutch type gear shifter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02275148A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1580455A3 (en) * | 2004-03-22 | 2006-08-09 | Nissan Motor Co., Ltd. | Twin-clutch manual transmission |
| DE102006007010A1 (en) * | 2006-02-15 | 2007-08-23 | Zf Friedrichshafen Ag | Double clutch gear assembly, for a vehicle drive transmission, has sets of gear wheels for fast and slow driving speeds each with loose cogwheels and switched clutches |
| JP2007255558A (en) * | 2006-03-23 | 2007-10-04 | Aisin Ai Co Ltd | Gear transmission device |
| US7472617B2 (en) | 2005-01-27 | 2009-01-06 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Step-by-step variable transmission |
| WO2009056435A1 (en) * | 2007-10-30 | 2009-05-07 | Zf Friedrichshafen Ag | Load-shiftable parallel shift transmission and double clutch transmission |
| JP2017150600A (en) * | 2016-02-25 | 2017-08-31 | マツダ株式会社 | Manual transmission |
| JP2017198244A (en) * | 2016-04-25 | 2017-11-02 | 株式会社リコー | Speed switching device, driving device and image forming apparatus |
| CN115027251A (en) * | 2022-06-22 | 2022-09-09 | 中国第一汽车股份有限公司 | Hybrid power system and hybrid power vehicle |
| CN115045964A (en) * | 2022-04-28 | 2022-09-13 | 中国第一汽车股份有限公司 | Multi-gear automatic transmission device with economy mode and power mode conversion and automobile |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61286650A (en) * | 1985-06-11 | 1986-12-17 | Mazda Motor Corp | Gear type transmission |
-
1989
- 1989-04-14 JP JP1092808A patent/JPH02275148A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61286650A (en) * | 1985-06-11 | 1986-12-17 | Mazda Motor Corp | Gear type transmission |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1580455A3 (en) * | 2004-03-22 | 2006-08-09 | Nissan Motor Co., Ltd. | Twin-clutch manual transmission |
| US7472617B2 (en) | 2005-01-27 | 2009-01-06 | Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg | Step-by-step variable transmission |
| DE102006007010A1 (en) * | 2006-02-15 | 2007-08-23 | Zf Friedrichshafen Ag | Double clutch gear assembly, for a vehicle drive transmission, has sets of gear wheels for fast and slow driving speeds each with loose cogwheels and switched clutches |
| DE102006007010B4 (en) * | 2006-02-15 | 2015-02-05 | Zf Friedrichshafen Ag | Dual-clutch transmission and method for switching control of the same |
| JP2007255558A (en) * | 2006-03-23 | 2007-10-04 | Aisin Ai Co Ltd | Gear transmission device |
| WO2009056435A1 (en) * | 2007-10-30 | 2009-05-07 | Zf Friedrichshafen Ag | Load-shiftable parallel shift transmission and double clutch transmission |
| US8578801B2 (en) | 2007-10-30 | 2013-11-12 | Zf Friedrichshafen Ag | Load-shiftable parallel shift transmission and double clutch transmission |
| JP2017150600A (en) * | 2016-02-25 | 2017-08-31 | マツダ株式会社 | Manual transmission |
| JP2017198244A (en) * | 2016-04-25 | 2017-11-02 | 株式会社リコー | Speed switching device, driving device and image forming apparatus |
| CN115045964A (en) * | 2022-04-28 | 2022-09-13 | 中国第一汽车股份有限公司 | Multi-gear automatic transmission device with economy mode and power mode conversion and automobile |
| CN115027251A (en) * | 2022-06-22 | 2022-09-09 | 中国第一汽车股份有限公司 | Hybrid power system and hybrid power vehicle |
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