JPS5973681U - hydraulic control device - Google Patents

hydraulic control device

Info

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
Application number
JP16991382U
Other languages
Japanese (ja)
Other versions
JPH0245575Y2 (en
Inventor
山本 俊英
Original Assignee
三菱重工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP16991382U priority Critical patent/JPS5973681U/en
Publication of JPS5973681U publication Critical patent/JPS5973681U/en
Application granted granted Critical
Publication of JPH0245575Y2 publication Critical patent/JPH0245575Y2/ja
Granted legal-status Critical Current

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

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] バルブボディ内に、油圧制御用電磁弁からの制御圧が生
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.
JP16991382U 1982-11-10 1982-11-10 hydraulic control device Granted JPS5973681U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JPS5973681U (en) hydraulic control device
JPS5979680U (en) hydraulic control device
JPS591893U (en) Cut-off valve device for variable displacement pump control
JPS58171270U (en) Coating device
JPS6059434U (en) Fluid pressure operation device for breaker
JPS58130147U (en) connecting rod device
JPS5966658U (en) booster
JPS5992906U (en) pressure control valve
JPH01160165U (en)
JPS5949785U (en) electromagnetic plunger pump
JPS5915834U (en) gas spring
JPS59142160U (en) Brake booster
JPS59171268U (en) solenoid valve
JPS5934080U (en) air driven hydraulic pump
JPS5911935U (en) Buffer piston structure
JPS5835457U (en) hydraulic booster
JPS58135503U (en) Reciprocating drive device
JPH0347475U (en)
JPS581775U (en) Fuel pump
JPH02130499U (en)
JPH0399878U (en)
JPS5931507U (en) Hydraulic shock absorber for vehicle height adjustment
JPS5898481U (en) Direct acting reciprocating compressor
JPS588777U (en) Starting power reduction device for reciprocating fluid machinery
JPS6021575U (en) Sealed circuit oil replenishment device for reciprocating pumps