JPS63190652U - - Google Patents
Info
- Publication number
- JPS63190652U JPS63190652U JP1987083537U JP8353787U JPS63190652U JP S63190652 U JPS63190652 U JP S63190652U JP 1987083537 U JP1987083537 U JP 1987083537U JP 8353787 U JP8353787 U JP 8353787U JP S63190652 U JPS63190652 U JP S63190652U
- Authority
- JP
- Japan
- Prior art keywords
- transmission
- clutch
- control valve
- actuating
- path
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
Description
第１図は本考案の一実施例を示す車両変速装置
における油圧制御装置の油圧回路図、第２図はパ
イロツトバルブのスプールのストロークと油圧と
の関係を示す図、第３図はクラツチの油圧波形と
伝達トルク波形を示す図、第４図は本考案の他の
実施例を示す油圧制御装置の回路図、第５図は従
来の油圧制御装置の回路図である。
ＥＮ：エンジン、ＴＣ：トルクコンバータ、Ｍ
Ｃ：油圧作動湿式多板形メインクラツチ、Ｆ：前
進クラツチ、Ｒ：後進クラツチ、ＴＭ：歯車式変
速機、Ｃｃ：スプール作動路、ＣＡ：第一作動路
、ＣＢ：第二作動路、１：第一速クラツチ、２：
第二速クラツチ、３：第三速クラツチ、４：第四
速クラツチ、５：油圧制御装置、６：変速機クラ
ツチ制御弁、７：メインクラツチ制御弁、１７：
スプール、１８：パイロツト弁、１９：ドレン、
２１：スプール、２２：ロードピストン、２３：
スプール、２４：ロードピストン、２６：フロー
センシングバルブ、２８：ばね。
Fig. 1 is a hydraulic circuit diagram of a hydraulic control device in a vehicle transmission showing an embodiment of the present invention, Fig. 2 is a diagram showing the relationship between the stroke of the pilot valve spool and oil pressure, and Fig. 3 is a diagram showing the hydraulic pressure of the clutch. FIG. 4 is a circuit diagram of a hydraulic control device showing another embodiment of the present invention, and FIG. 5 is a circuit diagram of a conventional hydraulic control device. EN: Engine, TC: Torque converter, M
C: Hydraulically operated wet multi-plate main clutch, F: Forward clutch, R: Reverse clutch, TM: Gear type transmission, Cc: Spool operating path, CA: First operating path, CB: Second operating path, 1: First gear clutch, 2:
2nd speed clutch, 3: 3rd speed clutch, 4: 4th speed clutch, 5: Hydraulic control device, 6: Transmission clutch control valve, 7: Main clutch control valve, 17:
Spool, 18: Pilot valve, 19: Drain,
21: Spool, 22: Load piston, 23:
Spool, 24: Load piston, 26: Flow sensing valve, 28: Spring.
Claims (1)
形メインクラツチが介装され、油圧作動形変速機
クラツチを有する歯車式変速機が設けられた車両
変速装置において、前記メインクラツチと変速機
クラツチとの間に油圧制御装置が設けられ、該油
圧制御装置は、変速機クラツチの油圧を制御する
変速機クラツチ制御弁と、前記メインクラツチの
油圧を制御するメインクラツチ制御弁と、前記変
速機クラツチの油圧により作動するスプールを有
し前記変速機クラツチ制御弁および前記メインク
ラツチ制御弁を作動させるためのパイロツト弁と
を具え、該パイロツト弁は、前記変速機クラツチ
に接続されたスプール作動路と、前記変速機クラ
ツチ制御弁に接続された第一作動路と、前記メイ
ンクラツチ制御弁に接続された第二作動路とが設
けられ、前記スプールは、前記変速機クラツチの
切換時に前記第一作動路および第二作動路をドレ
ンに連通し、かつスプール作動路の上昇と共に第
一作動路を上昇させ、次いで第二作動路の圧力を
上昇させるよう形成されたことを特徴とする車両
変速装置。 In a vehicle transmission system in which a hydraulically actuated main clutch is interposed between an engine and a torque converter, and a gear type transmission having a hydraulically actuated transmission clutch is provided, the main clutch and the transmission clutch are disposed between the main clutch and the transmission clutch. A hydraulic control device is provided, the hydraulic control device being actuated by a transmission clutch control valve that controls oil pressure of a transmission clutch, a main clutch control valve that controls oil pressure of the main clutch, and a transmission clutch control valve that controls oil pressure of the transmission clutch. a pilot valve for actuating the transmission clutch control valve and the main clutch control valve, the pilot valve having a spool connected to the transmission clutch and a pilot valve for actuating the transmission clutch control valve and the main clutch control valve; A first actuating path connected to a control valve and a second actuating path connected to the main clutch control valve are provided, the spool being connected to the first actuating path and the second actuating path during switching of the transmission clutch. 1. A vehicle transmission device, characterized in that the transmission path is connected to a drain, and is configured to raise the first working path as the spool working path rises, and then to increase the pressure in the second working path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987083537U JPH0520920Y2 (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987083537U JPH0520920Y2 (en) | 1987-05-29 | 1987-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190652U true JPS63190652U (en) | 1988-12-08 |
| JPH0520920Y2 JPH0520920Y2 (en) | 1993-05-28 |
Family
ID=30937219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987083537U Expired - Lifetime JPH0520920Y2 (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520920Y2 (en) |
-
1987
- 1987-05-29 JP JP1987083537U patent/JPH0520920Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0520920Y2 (en) | 1993-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6453552U (en) | ||
| JPS63190652U (en) | ||
| JPS61152842U (en) | ||
| JPS6230054U (en) | ||
| JPH0126925Y2 (en) | ||
| JPS6244734U (en) | ||
| JP2508222B2 (en) | Transmission of traveling vehicle | |
| JPS63190653U (en) | ||
| JPH024057U (en) | ||
| JPS59155228U (en) | Traveling system operating device for traveling work vehicles | |
| JPS5872549U (en) | Power shift transmission hydraulic pressure increasing device | |
| JPH02102064U (en) | ||
| JPS6280061U (en) | ||
| JPS5980555A (en) | Speed change gear and power transmission gear available for vehicle | |
| JPH0158852U (en) | ||
| JPH0185563U (en) | ||
| JPH026851U (en) | ||
| JPH0416083U (en) | ||
| JPS6234202U (en) | ||
| JPS62152884U (en) | ||
| JPS58144143U (en) | Hydraulic drive transmission for work vehicles | |
| JPH0271166U (en) | ||
| JPS6180123U (en) | ||
| JPS61205828U (en) | ||
| JPS6277362U (en) |