JPH0247405U - - Google Patents

Info

Publication number
JPH0247405U
JPH0247405U JP12681888U JP12681888U JPH0247405U JP H0247405 U JPH0247405 U JP H0247405U JP 12681888 U JP12681888 U JP 12681888U JP 12681888 U JP12681888 U JP 12681888U JP H0247405 U JPH0247405 U JP H0247405U
Authority
JP
Japan
Prior art keywords
spool
servo valve
hydraulic servo
oil
displacement
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
JP12681888U
Other languages
Japanese (ja)
Other versions
JPH073045Y2 (en
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 filed Critical
Priority to JP1988126818U priority Critical patent/JPH073045Y2/en
Publication of JPH0247405U publication Critical patent/JPH0247405U/ja
Application granted granted Critical
Publication of JPH073045Y2 publication Critical patent/JPH073045Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Servomotors (AREA)

Description

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

第１図は本考案油圧サーボ弁の第１実施例を示
す縦断側面図、第２図は本考案油圧サーボ弁の油
槽構成の実施例を示す縦断面図、第３図は本考案
油圧サーボ弁の油溜構成の実施例を示す縦断面図
、第４図ａ，ｂは本考案油圧サーボ弁のダンピン
グ効果を示す線図である。 １……ゼロ調スプリング、２……対向スプリン
グ、３……油室、大気シールダイヤフラム、４…
…永久磁石、５……コイル部、６……スプール、
７……油室、８……固定絞り、９……油槽中の油
、油溜、１０……スプール動作方向、１１……モ
ータ、１２……ポンプ、１３……油槽、１４……
油溜め部。 Fig. 1 is a vertical sectional side view showing a first embodiment of the hydraulic servo valve of the invention, Fig. 2 is a longitudinal sectional view showing an embodiment of the oil tank configuration of the hydraulic servo valve of the invention, and Fig. 3 is a hydraulic servo valve of the invention. FIGS. 4a and 4b are diagrams showing the damping effect of the hydraulic servo valve of the present invention. 1...Zero adjustment spring, 2...Opposed spring, 3...Oil chamber, atmosphere seal diaphragm, 4...
...Permanent magnet, 5...Coil part, 6...Spool,
7... Oil chamber, 8... Fixed throttle, 9... Oil in oil tank, oil reservoir, 10... Spool operating direction, 11... Motor, 12... Pump, 13... Oil tank, 14...
Oil sump.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 空気圧力信号または電気信号を変換した力と、
バネの力を対向させてスプールの変位を決定する
油圧サーボ弁において、上記スプールの一部又は
全部を油溜の油面より下位に設置するとともに、
スプールの端面と油溜間に固定又は可変の絞りを
設けることにより構成したことを特徴とする油圧
サーボ弁。 A force converted from a pneumatic pressure signal or an electrical signal,
In a hydraulic servo valve that determines the displacement of the spool by opposing spring forces, part or all of the spool is installed below the oil level of the oil sump, and
A hydraulic servo valve characterized in that it is constructed by providing a fixed or variable throttle between the end face of the spool and the oil reservoir.
JP1988126818U 1988-09-28 1988-09-28 Hydraulic servo valve Expired - Lifetime JPH073045Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988126818U JPH073045Y2 (en) 1988-09-28 1988-09-28 Hydraulic servo valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988126818U JPH073045Y2 (en) 1988-09-28 1988-09-28 Hydraulic servo valve

Publications (2)

Publication Number Publication Date
JPH0247405U true JPH0247405U (en) 1990-03-30
JPH073045Y2 JPH073045Y2 (en) 1995-01-30

Family

ID=31378683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988126818U Expired - Lifetime JPH073045Y2 (en) 1988-09-28 1988-09-28 Hydraulic servo valve

Country Status (1)

Country Link
JP (1) JPH073045Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086713A (en) * 1973-12-07 1975-07-12
JPS61175302A (en) * 1985-01-30 1986-08-07 Hitachi Ltd Force motor type servo valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086713A (en) * 1973-12-07 1975-07-12
JPS61175302A (en) * 1985-01-30 1986-08-07 Hitachi Ltd Force motor type servo valve

Also Published As

Publication number Publication date
JPH073045Y2 (en) 1995-01-30

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