JPH02455U - - Google Patents
Info
- Publication number
- JPH02455U JPH02455U JP7837888U JP7837888U JPH02455U JP H02455 U JPH02455 U JP H02455U JP 7837888 U JP7837888 U JP 7837888U JP 7837888 U JP7837888 U JP 7837888U JP H02455 U JPH02455 U JP H02455U
- Authority
- JP
- Japan
- Prior art keywords
- lock
- fluid coupling
- calorific value
- control device
- hydraulic passage
- 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
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Landscapes
- Control Of Fluid Gearings (AREA)
Description
第１図は、流体継手の一種であるトルクコンバ
ータの例を示す概略図である。第２図は、本考案
の実施例に係るロツクアツプ制御装置を備えた無
段変速機の概略図である。第３図は、トルクコン
バータＢに作動油を供給する油圧回路図である。
第４図は、本考案の実施例に係るロツクアツプ制
御装置におけるロツクアツプ制御のフローチヤー
トである。
Ａ……エンジン、Ｂ……トルクコンバータ、Ｃ
……前後進切換機構、Ｄ……ベルト伝動機構、Ｅ
……減速機構、Ｆ……差動機構、１……エンジン
出力軸、２……ポンプカバー、３……ポンプイン
ペラ、４……コンバータ室、５……タービン軸、
６……タービンランナー、７……ステータ、８…
…ロツクアツプクラツチ、９……ロツクアツプ室
、１０……ワンウエイクラツチ、１１……ステー
タ軸、２０……キヤリア、２１……ミツシヨンケ
ース、２２……サンギヤ、２３……第１ピニオン
ギヤ、２４……リングギヤ、２５……第２ピニオ
ンギヤ、２６……クラツチ、２７……ブレーキ、
３０……プライマリー軸、３１……プライマリー
プーリー、３２……ベルト、３３……固定円錐板
、３４……可動円錐板、３４ａ……可動円錐板の
外側面、３５……ベルト受溝、３６……シリンダ
、３７……ピストン、３８……プライマリー室、
４０……セカンダリー軸、４１……セカンダリー
プーリー、４３……固定円錐板、４４……可動円
錐板、４４ａ……可動円錐板の円錐状摩擦面、４
４ｂ……可動円錐板の外側面、４５……ベルト受
溝、４６……シリンダ、４７……ピストン、４８
……セカンダリー室、５０，５１，５３，５５，
５７，５８……ライン、５２……ロツクアツプ制
御バルブ、５４……スプール、５６……デユーテ
イーソレノイド、５９……リリーフ弁、６０……
オイルクーラ、６１……冷却ライン、７０……コ
ントロールユニツト。
FIG. 1 is a schematic diagram showing an example of a torque converter, which is a type of fluid coupling. FIG. 2 is a schematic diagram of a continuously variable transmission equipped with a lockup control device according to an embodiment of the present invention. FIG. 3 is a hydraulic circuit diagram for supplying hydraulic oil to the torque converter B.
FIG. 4 is a flowchart of lockup control in the lockup control device according to the embodiment of the present invention. A...engine, B...torque converter, C
...Forward/forward switching mechanism, D...Belt transmission mechanism, E
... Reduction mechanism, F ... Differential mechanism, 1 ... Engine output shaft, 2 ... Pump cover, 3 ... Pump impeller, 4 ... Converter chamber, 5 ... Turbine shaft,
6... Turbine runner, 7... Stator, 8...
... Lockup clutch, 9 ... Lockup chamber, 10 ... One-way clutch, 11 ... Stator shaft, 20 ... Carrier, 21 ... Mission case, 22 ... Sun gear, 23 ... First pinion gear, 24 ... Ring gear, 25...second pinion gear, 26...clutch, 27...brake,
30...Primary shaft, 31...Primary pulley, 32...Belt, 33...Fixed conical plate, 34...Movable conical plate, 34a...Outside surface of movable conical plate, 35...Belt receiving groove, 36... ...Cylinder, 37...Piston, 38...Primary chamber,
40... Secondary shaft, 41... Secondary pulley, 43... Fixed conical plate, 44... Movable conical plate, 44a... Conical friction surface of movable conical plate, 4
4b... Outer surface of movable conical plate, 45... Belt receiving groove, 46... Cylinder, 47... Piston, 48
...Secondary room, 50, 51, 53, 55,
57, 58...Line, 52...Lockup control valve, 54...Spool, 56...Duty solenoid, 59...Relief valve, 60...
Oil cooler, 61...Cooling line, 70...Control unit.
Claims (1)
プ解除用油圧通路と油圧源との連通状態を切り換
える切換弁と前記ロツクアツプ締結用油圧通路よ
り分岐し、オイルクーラに連通する冷却通路とを
有する、流体継手を備えた変速機のロツクアツプ
制御装置において、前記流体継手内での発熱量を
算定する発熱量算定手段と、該発熱量算定手段に
より算定された前記流体継手内の発熱量が所定値
を越えたことを検出した時に、ロツクアツプを解
除するロツクアツプ制御手段を設けたことを特徴
とする流体継手を備えた変速機のロツクアツプ制
御装置。 A transmission equipped with a fluid coupling, which has a switching valve that switches the communication state between the lock-up engagement hydraulic passage, the lock-up release hydraulic passage, and the hydraulic source, and a cooling passage that branches from the lock-up engagement hydraulic passage and communicates with an oil cooler. In the lock-up control device of the machine, a calorific value calculation means for calculating the calorific value in the fluid coupling, and a detection that the calorific value in the fluid coupling calculated by the calorific value calculation means exceeds a predetermined value. 1. A lock-up control device for a transmission equipped with a fluid coupling, characterized in that a lock-up control means for sometimes releasing lock-up is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7837888U JPH02455U (en) | 1988-06-14 | 1988-06-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7837888U JPH02455U (en) | 1988-06-14 | 1988-06-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02455U true JPH02455U (en) | 1990-01-05 |
Family
ID=31303305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7837888U Pending JPH02455U (en) | 1988-06-14 | 1988-06-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02455U (en) |
-
1988
- 1988-06-14 JP JP7837888U patent/JPH02455U/ja active Pending
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