JPH01171901U - - Google Patents

Info

Publication number
JPH01171901U
JPH01171901U JP6833288U JP6833288U JPH01171901U JP H01171901 U JPH01171901 U JP H01171901U JP 6833288 U JP6833288 U JP 6833288U JP 6833288 U JP6833288 U JP 6833288U JP H01171901 U JPH01171901 U JP H01171901U
Authority
JP
Japan
Prior art keywords
control valve
composite control
utility
scope
model registration
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
JP6833288U
Other languages
Japanese (ja)
Other versions
JP2521656Y2 (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 JP1988068332U priority Critical patent/JP2521656Y2/en
Publication of JPH01171901U publication Critical patent/JPH01171901U/ja
Application granted granted Critical
Publication of JP2521656Y2 publication Critical patent/JP2521656Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図はネガテイブ流量制御による一実施例の
油圧回路図、第２図は切換弁の片方のみ絞りによ
る上流から下流への通路を設けた実施例、第３図
はバイパス通路の切換弁を集約した実施例、第４
図は第１図の上流側切換弁の断面構成図である。 １１，１２…タンデム型供給通路、１３，１４
…メータリング用バイパス通路、１５，１６…メ
ータリングノツチ、１７，１８…供給油制御ノツ
チ。 Fig. 1 is a hydraulic circuit diagram of an embodiment using negative flow control, Fig. 2 is an example in which a passage from upstream to downstream is provided by restricting only one side of the switching valve, and Fig. 3 shows a collection of switching valves in the bypass passage. Example 4
This figure is a cross-sectional configuration diagram of the upstream switching valve shown in FIG. 1. 11, 12...tandem type supply passage, 13, 14
... Bypass passage for metering, 15, 16... Metering notch, 17, 18... Supply oil control notch.

Claims (1)

【実用新案登録請求の範囲】 (1) 多連切換弁より成る複合制御弁において、
タンデム型に配列された供給通路とメータリング
用バイパス通路を分離したことを特徴とする複合
制御弁。 (2) 実用新案登録請求の範囲第１項記載におい
て、メータリング用バイパス通路に設けられたバ
イパス切換弁を、少なくとも１個以上に集約し、
１ポンプに連結する多連切換弁の最大ポンプ吐出
流量制御信号により前記バイパス切換弁を動作さ
せることを特徴とする複合制御弁。 (3) 実用新案登録請求の範囲第１項および第２
項記載において、タンデム型に配列された供給通
路をスプールストロークエンドで所定面積のみ開
口させたことを特徴とする複合制御弁。[Scope of claims for utility model registration] (1) In a composite control valve consisting of multiple switching valves,
A composite control valve characterized in that a supply passage arranged in tandem and a metering bypass passage are separated. (2) In the scope of the utility model registration claim described in paragraph 1, the bypass switching valves provided in the metering bypass passage are consolidated into at least one or more,
A composite control valve characterized in that the bypass switching valve is operated by a maximum pump discharge flow rate control signal of a multiple switching valve connected to one pump. (3) Scope of claims for utility model registration, paragraphs 1 and 2
2. The composite control valve according to item 1, wherein the supply passages arranged in tandem are opened only in a predetermined area at the end of the spool stroke.
JP1988068332U 1988-05-24 1988-05-24 Compound control valve Expired - Lifetime JP2521656Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988068332U JP2521656Y2 (en) 1988-05-24 1988-05-24 Compound control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988068332U JP2521656Y2 (en) 1988-05-24 1988-05-24 Compound control valve

Publications (2)

Publication Number Publication Date
JPH01171901U true JPH01171901U (en) 1989-12-06
JP2521656Y2 JP2521656Y2 (en) 1996-12-25

Family

ID=31293656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988068332U Expired - Lifetime JP2521656Y2 (en) 1988-05-24 1988-05-24 Compound control valve

Country Status (1)

Country Link
JP (1) JP2521656Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53140479A (en) * 1977-05-13 1978-12-07 Kawasaki Heavy Ind Ltd Hydraulic pressure controller
JPS599302A (en) * 1982-07-05 1984-01-18 Toshiba Mach Co Ltd Hydraulic control device
JPS60191704U (en) * 1984-05-29 1985-12-19 新キャタピラー三菱株式会社 hydraulic system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53140479A (en) * 1977-05-13 1978-12-07 Kawasaki Heavy Ind Ltd Hydraulic pressure controller
JPS599302A (en) * 1982-07-05 1984-01-18 Toshiba Mach Co Ltd Hydraulic control device
JPS60191704U (en) * 1984-05-29 1985-12-19 新キャタピラー三菱株式会社 hydraulic system

Also Published As

Publication number Publication date
JP2521656Y2 (en) 1996-12-25

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