JPS615382U - Pressure compensated variable pump - Google Patents

Pressure compensated variable pump

Info

Publication number
JPS615382U
JPS615382U JP8825984U JP8825984U JPS615382U JP S615382 U JPS615382 U JP S615382U JP 8825984 U JP8825984 U JP 8825984U JP 8825984 U JP8825984 U JP 8825984U JP S615382 U JPS615382 U JP S615382U
Authority
JP
Japan
Prior art keywords
spool
discharge oil
pressure
set pressure
pump
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
JP8825984U
Other languages
Japanese (ja)
Other versions
JPH0421030Y2 (en
Inventor
正 森下
Original Assignee
株式会社不二越
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 株式会社不二越 filed Critical 株式会社不二越
Priority to JP8825984U priority Critical patent/JPS615382U/en
Publication of JPS615382U publication Critical patent/JPS615382U/en
Application granted granted Critical
Publication of JPH0421030Y2 publication Critical patent/JPH0421030Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (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 drawings]

第１図は本考案の実施例を示す断面図、第２図は第１図
に示す可変ポンプのサージ圧防止時の作動状態を示す断
面図である。 １・・・・・・コンペンセータ装置、２・・・・・・ス
プール、５・・・・・・コントロールピストン、１４・
・・・・・バイパスＦ Ｌ／ ン通路、２ ２ ＝ドレ
ン、２３・・・・・・スプリング、２４゜・・・・・・
可変機構部。FIG. 1 is a sectional view showing an embodiment of the present invention, and FIG. 2 is a sectional view showing the operating state of the variable pump shown in FIG. 1 during surge pressure prevention. DESCRIPTION OF SYMBOLS 1... Compensator device, 2... Spool, 5... Control piston, 14...
...Bypass F L/ In passage, 2 2 = Drain, 23 ... Spring, 24゜ ......
Variable mechanism part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スプールの一端にはポンプ吐出油が導かれ他端は前記吐
出油の設定圧力を決めるスプリングによって押圧され、
ポンプ吐出油が設定圧力に達すると前記スプールがスプ
リング側に押され可変機構部を作動させるコントロール
ピストンに通じる流路を開き吐出量制御を行なうととも
に、設定圧力以上の吐出油の異常圧力が発生しスプール
がさらにスプリング側に押された時にポンプ吐出側流路
がドレンと連通されるバイパスドレン通路が設けられた
コンペンセータ装置を有することを特徴とする圧力補償
形可変ポンプ。Pump discharge oil is guided to one end of the spool, and the other end is pressed by a spring that determines the set pressure of the discharge oil,
When the pump discharge oil reaches the set pressure, the spool is pushed toward the spring side and opens the flow path leading to the control piston that operates the variable mechanism to control the discharge amount, and at the same time, an abnormal pressure of the discharge oil exceeding the set pressure is generated. A pressure compensating variable pump characterized by having a compensator device provided with a bypass drain passage through which a pump discharge side flow passage communicates with a drain when the spool is further pushed toward the spring side.
JP8825984U 1984-06-15 1984-06-15 Pressure compensated variable pump Granted JPS615382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8825984U JPS615382U (en) 1984-06-15 1984-06-15 Pressure compensated variable pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8825984U JPS615382U (en) 1984-06-15 1984-06-15 Pressure compensated variable pump

Publications (2)

Publication Number Publication Date
JPS615382U true JPS615382U (en) 1986-01-13
JPH0421030Y2 JPH0421030Y2 (en) 1992-05-13

Family

ID=30641227

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8825984U Granted JPS615382U (en) 1984-06-15 1984-06-15 Pressure compensated variable pump

Country Status (1)

Country Link
JP (1) JPS615382U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761185U (en) * 1980-03-31 1982-04-10

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS529489A (en) * 1975-07-11 1977-01-25 Mitsubishi Electric Corp Element for electrochemically measuring oxidized substance or reduced substance in water solution

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5761185U (en) * 1980-03-31 1982-04-10

Also Published As

Publication number Publication date
JPH0421030Y2 (en) 1992-05-13

Similar Documents

Publication Publication Date Title
JPS615382U (en) Pressure compensated variable pump
JPS6038901U (en) fluid brake device
JPS58156186U (en) Control device for variable displacement hydraulic pump
JPS591998U (en) Grease supply valve control device
JPS5979601U (en) Cavitation prevention circuit
JPS595429U (en) Boost control valve for hydraulic clutch
JPS58109584U (en) Power steering oil pump flow control device
JPS5997218U (en) Two-stage opening type pressure regulating valve
JPS5871096U (en) hydraulic lift device
JPS58146128U (en) hydraulic circuit
JPS5824501U (en) Hydraulic cylinder cushioning device
JPS5897362U (en) Flow rate adjustment switching valve with pressure adjustment part
JPS616556U (en) Hydraulic excavator hydraulic circuit
JPS58113892U (en) Oil pump device for power steering
JPS6057794U (en) Discharge rate control device for variable discharge rate pump
JPS5988598U (en) metering type distribution valve
JPS5998103U (en) Direction/flow control valve
JPS5975527U (en) Hydraulic governor safety device
JPS58109585U (en) Power steering oil pump flow control device
JPS58152578U (en) Pump flow control device
JPS58109603U (en) Hydraulic pilot type switching valve device
JPS5992269U (en) hydraulic control device
JPS6144360U (en) Power steering working fluid flow control device
JPS58129302U (en) fluid equipment
JPS59169402U (en) Return oil control device for single acting oil cylinder