JPH0198301U - - Google Patents
Info
- Publication number
- JPH0198301U JPH0198301U JP1987193867U JP19386787U JPH0198301U JP H0198301 U JPH0198301 U JP H0198301U JP 1987193867 U JP1987193867 U JP 1987193867U JP 19386787 U JP19386787 U JP 19386787U JP H0198301 U JPH0198301 U JP H0198301U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control valve
- power source
- throttle
- throttle control
- 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
- 239000010720 hydraulic oil Substances 0.000 claims 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Temperature-Responsive Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１，２図は本考案の第１実施例を示すもので
、第１図は構成図、第２図は特性図であり、第３
〜６図は本考案の第２実施例を示すもので、第３
図は要部構成図、第４図は特性図、第５，６図は
第２実施例の変形例を示す要部構成図、第７図は
従来例を示す概略構成図である。
５１……第１の絞り制御弁、６１……第２の絞
り制御弁、７３……ワツクス。
Figures 1 and 2 show the first embodiment of the present invention, where Figure 1 is a configuration diagram, Figure 2 is a characteristic diagram, and Figure 3 is a characteristic diagram.
Figures 6 to 6 show the second embodiment of the present invention, and the third embodiment
4 is a characteristic diagram, FIGS. 5 and 6 are main part configuration diagrams showing a modification of the second embodiment, and FIG. 7 is a schematic configuration diagram showing a conventional example. 51...First throttle control valve, 61...Second throttle control valve, 73...Wax.
Claims (1)
、油圧源側から供給される作動油とリターン系路
との連通絞り量を制御して前記油圧アクチユエー
タ側への供給油圧を制御するよう構成された第１
の絞り制御弁、及び前記油圧源と前記油圧アクチ
ユエータとの間に前記第１の絞り制御弁と直列に
介装され、流通する作動油の温度に応じて体積膨
張を発生するワツクスが封入されると共にワツク
スの体積膨張に応じて前記油圧源側から供給され
る作動油と前記リターン系路との連通絞り量が増
加するよう構成された第２の絞り制御弁とを備え
たことを特徴とする油圧制御装置。 It is interposed between a hydraulic power source and a hydraulic actuator, and is configured to control the amount of communication throttling between hydraulic fluid supplied from the hydraulic power source and a return line, thereby controlling the hydraulic pressure supplied to the hydraulic actuator. 1st
a throttle control valve, and a wax that is interposed in series with the first throttle control valve between the hydraulic power source and the hydraulic actuator, and that generates volumetric expansion depending on the temperature of the circulating hydraulic oil. and a second throttle control valve configured to increase the amount of communication throttle between the hydraulic oil supplied from the hydraulic source and the return line in accordance with the volumetric expansion of the wax. Hydraulic control device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193867U JPH0610162Y2 (en) | 1987-12-21 | 1987-12-21 | Hydraulic control device |
| KR1019880005970A KR920002737B1 (en) | 1987-05-20 | 1988-05-20 | Flow control apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987193867U JPH0610162Y2 (en) | 1987-12-21 | 1987-12-21 | Hydraulic control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0198301U true JPH0198301U (en) | 1989-06-30 |
| JPH0610162Y2 JPH0610162Y2 (en) | 1994-03-16 |
Family
ID=31484637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987193867U Expired - Lifetime JPH0610162Y2 (en) | 1987-05-20 | 1987-12-21 | Hydraulic control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0610162Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59182465U (en) * | 1983-05-24 | 1984-12-05 | 日産自動車株式会社 | Power steering device flow control valve |
| JPS6175060A (en) * | 1984-09-19 | 1986-04-17 | Nissan Motor Co Ltd | Four wheel steering system |
-
1987
- 1987-12-21 JP JP1987193867U patent/JPH0610162Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59182465U (en) * | 1983-05-24 | 1984-12-05 | 日産自動車株式会社 | Power steering device flow control valve |
| JPS6175060A (en) * | 1984-09-19 | 1986-04-17 | Nissan Motor Co Ltd | Four wheel steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0610162Y2 (en) | 1994-03-16 |
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