JPS57124169A - Method for change of sleeve valve's rate-of-flow characteristic - Google Patents

Method for change of sleeve valve's rate-of-flow characteristic

Info

Publication number
JPS57124169A
JPS57124169A JP915981A JP915981A JPS57124169A JP S57124169 A JPS57124169 A JP S57124169A JP 915981 A JP915981 A JP 915981A JP 915981 A JP915981 A JP 915981A JP S57124169 A JPS57124169 A JP S57124169A
Authority
JP
Japan
Prior art keywords
small hole
tapered
change
plug
cylinder
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
JP915981A
Other languages
Japanese (ja)
Inventor
Kuniyoshi Toyoda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Priority to JP915981A priority Critical patent/JPS57124169A/en
Publication of JPS57124169A publication Critical patent/JPS57124169A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/32—Means for additional adjustment of the rate of flow

Abstract

PURPOSE:To provide an easy means to change the rate-of-flow characteristic of a sleeve valve furnished with a valve element which can change the number of open holes among the tapered small holes, by blocking the holes with plugs having tapered outer surface and flexible sleeves. CONSTITUTION:From outside into the small hole (a) is inserted a plug 8, which has a major diameter part being smaller than the minor diameter of a tapered small hole (a), a length being smaller than the wall thickness of a cylinder 4, and tapered outer surface S with a taper angle near the taper angle of the tapered small hole (a) and which is equipped with a bolt A in linkage on its minor diameter side. An elastic, flexible sleeve 9 is inserted in this small hole (a) from outside the cylinder 4. Then a nut B is screwed onto the bolt A so that shift of the plug 8 in the drawout direction owing to this driving of nut B piches the sleeve 9 between the plug's 8 tapered outer surface S and the small hole's (a) tapered inner surface. Thus the small hole (a) is blocked against out side the cylinder 4.
JP915981A 1981-01-22 1981-01-22 Method for change of sleeve valve's rate-of-flow characteristic Pending JPS57124169A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP915981A JPS57124169A (en) 1981-01-22 1981-01-22 Method for change of sleeve valve's rate-of-flow characteristic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP915981A JPS57124169A (en) 1981-01-22 1981-01-22 Method for change of sleeve valve's rate-of-flow characteristic

Publications (1)

Publication Number Publication Date
JPS57124169A true JPS57124169A (en) 1982-08-02

Family

ID=11712832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP915981A Pending JPS57124169A (en) 1981-01-22 1981-01-22 Method for change of sleeve valve's rate-of-flow characteristic

Country Status (1)

Country Link
JP (1) JPS57124169A (en)

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