JPS58133665U - crossover safety valve - Google Patents

crossover safety valve

Info

Publication number
JPS58133665U
JPS58133665U JP2961382U JP2961382U JPS58133665U JP S58133665 U JPS58133665 U JP S58133665U JP 2961382 U JP2961382 U JP 2961382U JP 2961382 U JP2961382 U JP 2961382U JP S58133665 U JPS58133665 U JP S58133665U
Authority
JP
Japan
Prior art keywords
valve
port
safety valve
valve seat
seat
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.)
Pending
Application number
JP2961382U
Other languages
Japanese (ja)
Inventor
英和 佐藤
稲葉　信昭
満 新井
恩蔵　三智生
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP2961382U priority Critical patent/JPS58133665U/en
Priority to US06/471,341 priority patent/US4520625A/en
Priority to DE3307582A priority patent/DE3307582C2/en
Priority to GB08306086A priority patent/GB2118691B/en
Publication of JPS58133665U publication Critical patent/JPS58133665U/en
Pending legal-status Critical Current

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  • Safety Valves (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]

図面は本考案の実施例を示す断面図である。 ３はバルブシート、３ａは穴、４はバルブ、５はばね、
１０は第１ポート、１１は第２ポート、１２は第３ポー
ト。The drawing is a sectional view showing an embodiment of the present invention. 3 is the valve seat, 3a is the hole, 4 is the valve, 5 is the spring,
10 is a first port, 11 is a second port, and 12 is a third port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 軸心に第１ポート１０に連通する穴３ａを有するバルブ
シート３と、このへ゛ルブシート３に当接し、かつバル
ブシート３のシート径より大径で、かつこの外径部端面
を第２ポート】１に対向したバルブ４と、バルブ４を背
面からバルブシート３側へ付勢するばね５とからなり、
バルブ４の第１ポート１０側からの圧油に対する受圧面
積をＡ１第２ポート１１側からの圧油に対する受圧面積
をＢとしたときにＡ＜Ｂとし、またバルブ４の背面を第
３ポート１２に対向させてなることを特敏とするクロス
オーバ安全弁。A valve seat 3 having a hole 3a in its axis that communicates with the first port 10, and a second port which is in contact with the valve seat 3, has a diameter larger than the seat diameter of the valve seat 3, and whose outer diameter end surface is a second port] It consists of a valve 4 facing 1 and a spring 5 that biases the valve 4 from the back side toward the valve seat 3,
The pressure receiving area for the pressure oil from the first port 10 side of the valve 4 is A1, and the pressure receiving area for the pressure oil from the second port 11 side is B, and A<B, and the back surface of the valve 4 is the third port 12. A crossover safety valve that is particularly sensitive to being placed opposite the
JP2961382U 1982-03-04 1982-03-04 crossover safety valve Pending JPS58133665U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2961382U JPS58133665U (en) 1982-03-04 1982-03-04 crossover safety valve
US06/471,341 US4520625A (en) 1982-03-04 1983-03-02 Hydraulic brake valve system
DE3307582A DE3307582C2 (en) 1982-03-04 1983-03-03 Valve arrangement for controlling a hydrostatic drive or transmission consisting of a pump and motor
GB08306086A GB2118691B (en) 1982-03-04 1983-03-04 Valve system for controlling hydrostatic transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2961382U JPS58133665U (en) 1982-03-04 1982-03-04 crossover safety valve

Publications (1)

Publication Number Publication Date
JPS58133665U true JPS58133665U (en) 1983-09-08

Family

ID=30041394

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2961382U Pending JPS58133665U (en) 1982-03-04 1982-03-04 crossover safety valve

Country Status (1)

Country Link
JP (1) JPS58133665U (en)

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