JPH02102064U - - Google Patents
Info
- Publication number
- JPH02102064U JPH02102064U JP1110289U JP1110289U JPH02102064U JP H02102064 U JPH02102064 U JP H02102064U JP 1110289 U JP1110289 U JP 1110289U JP 1110289 U JP1110289 U JP 1110289U JP H02102064 U JPH02102064 U JP H02102064U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- inching
- modulation
- spool
- pipe
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Gear-Shifting Mechanisms (AREA)
Description
第１図は本考案にかかるインチングバルブとモ
ジユレーシヨンバルブの連通回路を含むトランス
ミツシヨンコントロールバルブの油圧回路図、第
２図は本考案のインチングバルブとモジユレーシ
ヨンバルブの連通回路の構造図、第３図乃至第５
図は本考案にかかる連通回路を用いた場合の油圧
、および入力軸トルクを示すグラフ、第６図乃至
第８図は従来の連通回路を用いない場合の油圧、
および入力軸トルクを示すグラフである。
１……エンジン、２……ポンプ、３……モジユ
レーシヨンバルブ、４……クイツクリターンバル
ブ、５……スピードバルブ、６……インチングバ
ルブ、７……デイレクシヨナルバルブ、８……タ
ンク、９……リリーフバルブ、１０……スプール
、１１……ロードピストン、１２……スリツト、
Ａ，Ｂ……管路。
Fig. 1 is a hydraulic circuit diagram of a transmission control valve including a communication circuit between an inching valve and a modulation valve according to the present invention, and Fig. 2 shows a communication circuit between an inching valve and a modulation valve according to the present invention. Structure diagram, Figures 3 to 5
The figure is a graph showing oil pressure and input shaft torque when the communication circuit according to the present invention is used, and Figures 6 to 8 are graphs showing oil pressure and input shaft torque when the communication circuit according to the present invention is not used.
and a graph showing input shaft torque. 1... Engine, 2... Pump, 3... Modulation valve, 4... Quick return valve, 5... Speed valve, 6... Inching valve, 7... Directional valve, 8... ... Tank, 9 ... Relief valve, 10 ... Spool, 11 ... Load piston, 12 ... Slit,
A, B...Pipe line.
Claims (1)
ユレーシヨンバルブ、スピードバルブ、インチン
グバルブおよびデイレクシヨナルバルブを備えて
、ポンプからの吐出油により各バルブを作動させ
るようにしたトランスミツシヨンコントロールバ
ルブの油圧回路において、そのインチングバルブ
を操作するスプールとそのモジユレーシヨンバル
ブのロードピストンとの間に管路Ａを、およびタ
ンクとの間に管路Ｂをそれぞれ設けると共に、そ
のスプールには、操作時、各管路と連通するスリ
ツトを設けたことを特徴とするインチングバルブ
とモジユレーシヨンバルブの連通回路。 Hydraulic pressure of a transmission control valve that is equipped with a pump directly connected to the engine and at least a modulation valve, a speed valve, an inching valve, and a directional valve, and each valve is actuated by the oil discharged from the pump. In the circuit, a pipe A is provided between the spool that operates the inching valve and the load piston of the modulation valve, and a pipe B is provided between the tank and the spool. A communication circuit for an inching valve and a modulation valve, characterized in that a slit is provided to communicate with each conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1110289U JPH02102064U (en) | 1989-01-31 | 1989-01-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1110289U JPH02102064U (en) | 1989-01-31 | 1989-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02102064U true JPH02102064U (en) | 1990-08-14 |
Family
ID=31219353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1110289U Pending JPH02102064U (en) | 1989-01-31 | 1989-01-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02102064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994008158A1 (en) * | 1992-10-07 | 1994-04-14 | Kabushiki Kaisha Komatsu Seisakusho | Inching device |
-
1989
- 1989-01-31 JP JP1110289U patent/JPH02102064U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994008158A1 (en) * | 1992-10-07 | 1994-04-14 | Kabushiki Kaisha Komatsu Seisakusho | Inching device |
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