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Throttle valve

A technology of throttle valve and throttle, applied in the field of throttle valve, can solve problems such as corrosion, and achieve the effect of avoiding unreliability

Active Publication Date: 2010-01-20
MOKVELD VALVES BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Finally, in particular the individual contact of the electronic components of the adjusting element with the fluid being conveyed is undesirable, especially fluids contaminated with hydrogen sulphide are likewise very corrosive

Method used

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  • Throttle valve
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Examples

Experimental program
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Embodiment Construction

[0031] figure 1The first throttle valve 1 according to the invention shown in has a housing 2 with an inlet 3 for a fluid (not shown) under inflow pressure, with a throttle 4 through which the fluid The flow device 4 can be throttled to the outflow pressure and has an outflow opening 5 for said fluid. The housing 2 consists of a cast valve body 6, a regulating device 8 which is screwed to the housing 7 outside the valve body 6 and a safety device 10 opposite to the regulating device 8 which is also welded on the valve body 6 Upper casing 9 forms.

[0032] The throttle valve 1 has a rotatable adjusting element 11 which is turned upside down in the form of a pot on the adjusting device 8 , which in turn is held by a cup-shaped holder 12 which is screwed to the adjusting device 8 . While substantially the entire housing 2 of the throttle valve 1 is flowed through by fluid, the cage 12 is filled with a pressurized oil compatible with the environment, in particular with sea water...

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PUM

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Abstract

Disclosed is a throttle valve (1, 25), having a housing (2), comprising an inlet opening (3) for a fluid under an inlet pressure, a throttle (4, 27), by means of which the fluid can be throttled to an outlet pressure, and an outlet opening (5) for the fluid, and an actuation element (11) at the outside of the housing (2), a rotatable shaft (13), and a piston (16), which is axially movable within the housing (2) in a tubular throttle cage (15), wherein a rotation of the shaft (13) can be induced by the actuation element (11) and an axial movement of the piston (16) can be induced by the rotation of the shaft (13) and by the axial movement of the piston (16) a throttle cross section of the throttle (4, 27) can be adjusted, For under water application, in particular in oil and gas drilling with large pipe cross sections the throttle valve according to the invention is improved, so that primary magnets are mounted to the actuation element (11, 32), secondary magnets are mounted to the shaft (13), and a roller body screw drive (20) is mounted to the shaft (13), wherein a rotation of the actuation element (11, 32) is transferred to the shaft (13) by means of magnetic coupling of the primary magnets with the secondary magnets, and converted into the axial movement of the piston (16) by means of the roller element screw drive (20).

Description

technical field [0001] The invention relates to a throttle valve with a housing having an inlet for a fluid at an inflow pressure, a restrictor by means of which the fluid can be adjusted to an outflow pressure, and with On the outlet of said fluid, and outside the housing with an adjustment element, with a rotatable shaft and a piston, which can move axially inside the housing in a tubular cage, wherein, by means of the adjustment element The shaft can be caused to rotate and the piston can be moved axially by the rotation of the shaft, and the throttling cross-section of the throttle can be adjusted by the axial movement of the piston. Background technique [0002] Throttle valves of the aforementioned type are available in various designs, which are known, for example, from the applicant's assortment list. Throttle valves of this type with an adjustable throttle cross-section are generally designed in an angular configuration (angle valve) due to the good accessibility i...

Claims

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Application Information

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IPC IPC(8): F16K1/12F16K31/08F16K31/54
CPCF16K31/088F16K1/12F16K31/54Y10T137/86734F16K31/08
Inventor 文森特·埃斯维尔特
Owner MOKVELD VALVES BV
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