SE9802393D0 - Valve - Google Patents

Valve

Info

Publication number
SE9802393D0
SE9802393D0 SE9802393A SE9802393A SE9802393D0 SE 9802393 D0 SE9802393 D0 SE 9802393D0 SE 9802393 A SE9802393 A SE 9802393A SE 9802393 A SE9802393 A SE 9802393A SE 9802393 D0 SE9802393 D0 SE 9802393D0
Authority
SE
Sweden
Prior art keywords
cone
piston
balancing chamber
cylinder
valve
Prior art date
Application number
SE9802393A
Other languages
Swedish (sv)
Other versions
SE9802393L (en
SE518558C2 (en
Inventor
Nils Hjelte
Original Assignee
Tac Ab
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 Tac Ab filed Critical Tac Ab
Priority to SE9802393A priority Critical patent/SE518558C2/en
Publication of SE9802393D0 publication Critical patent/SE9802393D0/en
Publication of SE9802393L publication Critical patent/SE9802393L/en
Publication of SE518558C2 publication Critical patent/SE518558C2/en

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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • F16K1/06—Special arrangements for improving the flow, e.g. special shape of passages or casings
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/12—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with streamlined valve member around which the fluid flows when the valve is opened

Abstract

A cone (13) in the valve seat is connected at one end (15) to a spindle (16) for moving it in an axial direction in order to regulate flow between the inlet and exit chambers (5, 7). The opposite end (17) of the cone is joined to a piston-cylinder unit (23) containing a balancing chamber (29) between the piston (25) and cylinder (27). A channel (31) from the balancing chamber extends through the cone to allow pressure forces acting on the cone to be balanced out.
SE9802393A 1998-07-03 1998-07-03 Valve SE518558C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9802393A SE518558C2 (en) 1998-07-03 1998-07-03 Valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9802393A SE518558C2 (en) 1998-07-03 1998-07-03 Valve

Publications (3)

Publication Number Publication Date
SE9802393D0 true SE9802393D0 (en) 1998-07-03
SE9802393L SE9802393L (en) 2000-01-04
SE518558C2 SE518558C2 (en) 2002-10-22

Family

ID=20411955

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802393A SE518558C2 (en) 1998-07-03 1998-07-03 Valve

Country Status (1)

Country Link
SE (1) SE518558C2 (en)

Also Published As

Publication number Publication date
SE9802393L (en) 2000-01-04
SE518558C2 (en) 2002-10-22

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Legal Events

Date Code Title Description
NUG Patent has lapsed