SE514923C2 - Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device - Google Patents

Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device

Info

Publication number
SE514923C2
SE514923C2 SE9800447A SE9800447A SE514923C2 SE 514923 C2 SE514923 C2 SE 514923C2 SE 9800447 A SE9800447 A SE 9800447A SE 9800447 A SE9800447 A SE 9800447A SE 514923 C2 SE514923 C2 SE 514923C2
Authority
SE
Sweden
Prior art keywords
pressure
window
hose
wire
pressure line
Prior art date
Application number
SE9800447A
Other languages
Swedish (sv)
Other versions
SE9800447D0 (en
SE9800447L (en
Inventor
Lennart Wetterstad
Original Assignee
Ribe Jernindustri As
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 Ribe Jernindustri As filed Critical Ribe Jernindustri As
Priority to SE9800447A priority Critical patent/SE514923C2/en
Publication of SE9800447D0 publication Critical patent/SE9800447D0/en
Publication of SE9800447L publication Critical patent/SE9800447L/en
Publication of SE514923C2 publication Critical patent/SE514923C2/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L11/00Hoses, i.e. flexible pipes
    • F16L11/04Hoses, i.e. flexible pipes made of rubber or flexible plastics
    • F16L11/12Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0609Pressure pulsation damping arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Pipe Accessories (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The pressure line (1) contains an area of reduced cross-section that provides a region of flow resistance, whilst at the same time restricting the reduction in cross-section area. MECHANICAL ENGINEERING - PREFERRED FEATURES : The pressure line is a soft hose and the fitting is a loose wire (2).

Claims (1)

1. 51-4 923 Det är välkänt att det är svårt att mäta t ex differenstryck mellan ute och inne i en byggnad via ett fönster utan att ta hål, fig. l, eller ett tryck vid t ex en fläkt, som har mätuttag eller lucka.. Mätslangen blir klämd helt eller delvis i t ex en fönsterspringa, så att rätt tryck inte mäts. Mätningen bör ske snabbt med en manometer ansluten till en mjuk slang, som man bär med sig från rum till rum. Slangen formar sig efter tönstrets tvärsnitt och lister, vilka är olika för olika fönstertyper. Alternativet är att använda ett metallrör som skulle behöva formas speciellt för varje fönster för att undvika klämningsrisk. Ett delvis öppet fönster förvanskar tryckbilden. Vid användning av uppfinningen kan fönstret krokas (stängas) helt. Ändamålet med uppfinningen är att lösa de problem man får vid t ex en mätning där en fönsterspringa hålls öppen, så att slangen inte ska bli för mycket klärnd men dock leder fram tryck till manometem eller att undvika besväret med att borra hål för en mätsond i ett fönster eller i en fläktlucka. Uppfinningen kan även användas i hydrauliska sammandrag. Utförandet av uppfinningen visas schematiskt i fig. l - 5. Den mjuka slangen (l) har en dubbelvikt tråd (2), införd i slangen som upprätthåller en viss form och profil med slangen om denna blir klämd i ett fönster, dörr, lucka, o dyl. Fönstret eller klärririingen tillsammans med trådskäriklaina upprätthåller profilen. Trådens tvärsnitt och form jämte den använda klämkraften har betydelse och kan varieras genom byte av slang- och trådmaterial. Tråden kan lätt införas i slangen och dras ut igen. Klämning kan även utföras av exempelvis klämma (3) i fig. 3 eller skruv (4) i fig. 4. Klärrming med hjälp av en fläktlucka visas i fig. 5.. Patentkrav: Till ett tryckinätinstrument kopplingsbar trycköverförande anordning bestående av en tryckledning försedd med invändig areaförrninskning, som begränsar klämning av tryckledningen och samtidigt begränsar tryckvariationer i densamma, k ä n n e t e c k n a d a v att tryckledningen utgörs av en mjuk slang och areaförrninskningen utgörs av en lös, dubbelvikt tråd.1. 51-4 923 It is well known that it is difficult to measure, for example, differential pressure between outside and inside a building via a window without making holes, Fig. 1, or a pressure at, for example, a fan which has a measuring outlet or door .. The measuring hose is clamped completely or partially in eg a window slot, so that the correct pressure is not measured. The measurement should be done quickly with a manometer connected to a soft hose, which you carry with you from room to room. The hose is shaped according to the pattern's cross section and strips, which are different for different window types. The alternative is to use a metal pipe that would need to be shaped specifically for each window to avoid the risk of squeezing. A partially open window distorts the print image. When using the invention, the window can be hooked (closed) completely. The object of the invention is to solve the problems encountered in, for example, a measurement where a window gap is kept open, so that the hose does not become too clammy but nevertheless produces pressure to the manometer or to avoid the hassle of drilling holes for a measuring probe in a window or in a fl hatch. The invention can also be used in hydraulic summaries. The embodiment of the invention is shown schematically in Figs. 1-5. The soft hose (1) has a double-folded wire (2), inserted into the hose which maintains a certain shape and profile with the hose if it is clamped in a window, door, door, o dyl. The window or the clearing ring together with the wire cutting line maintains the profile. The cross section and shape of the wire as well as the clamping force used are important and can be varied by changing the hose and wire material. The wire can be easily inserted into the hose and pulled out again. Clamping can also be performed by, for example, clamp (3) in Fig. 3 or screw (4) in Fig. 4. Clamping by means of a fl spruce hatch is shown in Fig. 5. Claim claim: Pressure transfer device connectable to a pressure network instrument consisting of a pressure line provided with internal area reduction, which limits squeezing of the pressure line and at the same time limits pressure variations in it, characterized in that the pressure line consists of a soft hose and the area reduction consists of a loose, double-folded wire.
SE9800447A 1998-02-17 1998-02-17 Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device SE514923C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE9800447A SE514923C2 (en) 1998-02-17 1998-02-17 Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9800447A SE514923C2 (en) 1998-02-17 1998-02-17 Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device

Publications (3)

Publication Number Publication Date
SE9800447D0 SE9800447D0 (en) 1998-02-17
SE9800447L SE9800447L (en) 1999-08-18
SE514923C2 true SE514923C2 (en) 2001-05-21

Family

ID=20410191

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800447A SE514923C2 (en) 1998-02-17 1998-02-17 Fitting for controlling clamping and pressure variations in pressure line linked to pressure measuring device

Country Status (1)

Country Link
SE (1) SE514923C2 (en)

Also Published As

Publication number Publication date
SE9800447D0 (en) 1998-02-17
SE9800447L (en) 1999-08-18

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Legal Events

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