JPS63128351U - - Google Patents
Info
- Publication number
- JPS63128351U JPS63128351U JP2121687U JP2121687U JPS63128351U JP S63128351 U JPS63128351 U JP S63128351U JP 2121687 U JP2121687 U JP 2121687U JP 2121687 U JP2121687 U JP 2121687U JP S63128351 U JPS63128351 U JP S63128351U
- Authority
- JP
- Japan
- Prior art keywords
- oil passage
- pressure
- engagement device
- hydraulic
- reducing valve
- 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 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Transmission Device (AREA)
Description
第１図は本考案実施例の装置構成を示す概略図
、第２図は実施例装置の制御を説明する図表、第
３図は電磁弁のソレノイドを消磁する時刻を決定
するための車速とスロツトル開度とオイル温度と
の関係を示す図表、第４図は第２図の制御に従う
変速制御ルーチンのフローチヤート、第５図は本
考案の機能ブロツク図、第６図は第２図に対応し
て示す従来装置の制御を説明する図表である。
１６……ライン圧油路、４４……第２速用ブレ
ーキ、４６……油路、７６……ＣＰＵ、７８……
電磁弁、１３４……Ｔａの時間計算手段、１３８
……電磁弁制御手段、１５０……減圧弁、１５２
……絞り、１５３……パイロツト油路、１５４…
…ドレン油路。
Fig. 1 is a schematic diagram showing the configuration of the device according to the embodiment of the present invention, Fig. 2 is a chart explaining the control of the embodiment device, and Fig. 3 is the vehicle speed and throttle for determining the time to demagnetize the solenoid of the electromagnetic valve. A chart showing the relationship between opening degree and oil temperature, FIG. 4 is a flowchart of a shift control routine according to the control shown in FIG. 2, FIG. 5 is a functional block diagram of the present invention, and FIG. 6 corresponds to FIG. 1 is a chart explaining control of a conventional device shown in FIG. 16...Line pressure oil passage, 44...Second speed brake, 46...Oil passage, 76...CPU, 78...
Solenoid valve, 134...Ta time calculation means, 138
... Solenoid valve control means, 150 ... Pressure reducing valve, 152
... Throttle, 153... Pilot oil path, 154...
...Drain oil path.
Claims (1)
解除される摩擦係合装置と、摩擦係合装置へ油圧
媒体を供給する供給油路と、供給油路に設けられ
て摩擦係合装置が係合を開始する油圧より低い所
定圧力に油圧媒体を減圧するか又は摩擦係合装置
が係合を解除される油圧より高い所定圧力に油圧
媒体を減圧する減圧弁と、摩擦係合装置と減圧弁
の中間部の供給油路から分枝された減圧弁のパイ
ロツト油路と、パイロツト油路に設けられた絞り
と、絞りの下流でパイロツト油路から分枝された
排出油路と、排出油路に設けられて排出油路を開
閉する開閉弁と、運転状態に応じて開閉弁の開時
期を制御する制御手段と、を備えたことを特徴と
する自動変速機の油圧制御装置。 A friction engagement device that starts engaging when the oil pressure increases and disengages when the oil pressure drops, a supply oil passage that supplies hydraulic medium to the friction engagement device, and a friction engagement device that is provided in the supply oil passage. a pressure reducing valve that reduces the pressure of the hydraulic medium to a predetermined pressure lower than the hydraulic pressure at which the device starts engaging or to a predetermined pressure higher than the hydraulic pressure at which the frictional engagement device is disengaged; and a frictional engagement device. a pilot oil passage of the pressure reducing valve branched from a supply oil passage in the middle of the pressure reducing valve; a throttle provided in the pilot oil passage; and a discharge oil passage branched from the pilot oil passage downstream of the throttle; A hydraulic control device for an automatic transmission, comprising: an on-off valve provided in a discharge oil passage to open and close the discharge oil passage; and a control means for controlling the opening timing of the on-off valve according to operating conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121687U JPS63128351U (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2121687U JPS63128351U (en) | 1987-02-16 | 1987-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63128351U true JPS63128351U (en) | 1988-08-22 |
Family
ID=30817455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2121687U Pending JPS63128351U (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469851A (en) * | 1987-09-11 | 1989-03-15 | Mazda Motor | Control device for automatic transmission |
-
1987
- 1987-02-16 JP JP2121687U patent/JPS63128351U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6469851A (en) * | 1987-09-11 | 1989-03-15 | Mazda Motor | Control device for automatic transmission |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5105923A (en) | Engine braking control system for automotive automatic transmissions | |
| JPH10292862A (en) | Control device for fastening elements | |
| JPS6026357U (en) | Hydraulic control device for vehicle automatic transmission | |
| JPS63128351U (en) | ||
| JPH04295143A (en) | Control device for automatic transmission and exhaust brake | |
| JPS6360747U (en) | ||
| JPS607351U (en) | Automatic transmission hydraulic control device | |
| JPH0183952U (en) | ||
| JPS61134440U (en) | ||
| JPS63109062U (en) | ||
| JPH0181126U (en) | ||
| JPH042732U (en) | ||
| JPS5893530U (en) | Vehicle clutch automatic engagement control device | |
| JPH03360U (en) | ||
| JPH0183953U (en) | ||
| JP3186785B2 (en) | Exhaust brake control device | |
| JPS6150845U (en) | ||
| JPS60159256U (en) | Automatic transmission control device | |
| JPS61161126U (en) | ||
| JPH0221367U (en) | ||
| JPS62104050U (en) | ||
| JPS62190157U (en) | ||
| JPH02154860A (en) | Control device for automatic transmission | |
| JPH0480959U (en) | ||
| JPS5992249U (en) | Electronically controlled automatic transmission |