JPS5973681U - hydraulic control device - Google Patents
hydraulic control deviceInfo
- Publication number
- JPS5973681U JPS5973681U JP16991382U JP16991382U JPS5973681U JP S5973681 U JPS5973681 U JP S5973681U JP 16991382 U JP16991382 U JP 16991382U JP 16991382 U JP16991382 U JP 16991382U JP S5973681 U JPS5973681 U JP S5973681U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic control
- control device
- pressure
- receiving chamber
- 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.)
- Granted
Links
Landscapes
- Fluid-Driven Valves (AREA)
- Magnetically Actuated Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図はオンオフ電磁弁によるパルス幅制御を行なう場
合、パルス電流のデユーティと電磁弁制御油圧との理想
的な関係を示す線図、第2図は同制御油圧に脈動が伴う
場合の線図、第3図は本考案の一実施例を示す油圧制御
装置の断面図、第4図は油圧脈動がある場合の油圧の変
化を示す線図、第5図は本考案に係る油圧制御装置で油
圧を平滑化した状態を示す線図、第6図はPlmax
+ Plと脈動エネルギ吸収効率れとの関係の一例を示
す線図である。
1・・・バルブボディ、2・・・バルブスプール、3・
・・ピストン、4・・・圧縮コイルばね、5・・・受圧
室、6・・・油圧制御用電磁弁。Figure 1 is a diagram showing the ideal relationship between the duty of the pulse current and the solenoid valve control oil pressure when performing pulse width control using an on-off solenoid valve, and Figure 2 is a diagram showing the ideal relationship when the control oil pressure is accompanied by pulsations. , FIG. 3 is a cross-sectional view of a hydraulic control device showing an embodiment of the present invention, FIG. 4 is a line diagram showing changes in hydraulic pressure when there is hydraulic pulsation, and FIG. 5 is a hydraulic control device according to the present invention. A diagram showing the state where the oil pressure is smoothed, Figure 6 is Plmax
+ is a diagram showing an example of the relationship between Pl and pulsation energy absorption efficiency. 1...Valve body, 2...Valve spool, 3.
... Piston, 4... Compression coil spring, 5... Pressure receiving chamber, 6... Solenoid valve for hydraulic control.
Claims (1)
じる受圧室と、同受圧室の制御圧を受けるバルブスプー
ルと、同スプールの外周に摺動自在に挿入され上記受圧
室の制御圧を受けるピストンと、同ピストンとバルブボ
ディ内壁との間に介在された圧縮コイルばねとを具備し
てなる油圧制御装置。Inside the valve body, there is a pressure receiving chamber in which control pressure from the hydraulic control solenoid valve is generated, a valve spool that receives the control pressure of the pressure receiving chamber, and a valve spool that is slidably inserted into the outer circumference of the spool and receives the control pressure of the pressure receiving chamber. A hydraulic control device comprising a receiving piston and a compression coil spring interposed between the piston and an inner wall of a valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16991382U JPS5973681U (en) | 1982-11-10 | 1982-11-10 | hydraulic control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16991382U JPS5973681U (en) | 1982-11-10 | 1982-11-10 | hydraulic control device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5973681U true JPS5973681U (en) | 1984-05-18 |
JPH0245575Y2 JPH0245575Y2 (en) | 1990-12-03 |
Family
ID=30371073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16991382U Granted JPS5973681U (en) | 1982-11-10 | 1982-11-10 | hydraulic control device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5973681U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010511514A (en) * | 2006-12-06 | 2010-04-15 | 新東工業株式会社 | Molding machine |
-
1982
- 1982-11-10 JP JP16991382U patent/JPS5973681U/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010511514A (en) * | 2006-12-06 | 2010-04-15 | 新東工業株式会社 | Molding machine |
Also Published As
Publication number | Publication date |
---|---|
JPH0245575Y2 (en) | 1990-12-03 |
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