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Encased valve

A built-in, valve seat technology, applied in the direction of lift valve, valve details, valve device, etc., can solve the problem of heating system load, etc., and achieve the effect of simplified assembly and less risk of leakage

Inactive Publication Date: 2011-03-30
DANFOSS AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This water shock also loads other parts of the heating system to the point of failure

Method used

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  • Encased valve
  • Encased valve
  • Encased valve

Examples

Experimental program
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Embodiment Construction

[0028] exist Figures 1 to 3 The built-in valve 1 shown in has a housing mainly composed of an upper part 2 and a lower part 3 . The upper part 2 has a screw-in thread 4 by means of which the insert valve 1 can be screwed into a heater not shown in detail here. The seal 5 seals the connection between the heater and the built-in valve 1 . A fixed geometry 6 is provided for a thermostat valve cover, which is likewise not shown in detail.

[0029] The lower part 3 has a valve seat frame 7 on which a valve seat 8 is mounted. The valve element 9 cooperates with the valve seat, the valve element is fixed on the valve stem 10 and can move through the valve stem 10, which will be explained in more detail below.

[0030] The lower part 3 has an inlet channel 11 from which a valve seat channel 12 branches off. A space 13 is provided between the valve seat frame and the inner wall of the lower part 3 of the casing, and hot fluid, such as heating circulating water entering between the...

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PUM

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Abstract

The present invention relates to a built-in valve (1) for the heater especially the heating device radiator, which comprises a casing (2, 3), a valve seat (8) arranged on the valve seat frame (7), a valve component (9) which cooperatively functions with the valve seat (8) and a preset mechanism. The people hope the preset regulation can be executed with an easy mode. For this purpose it is prescribed that the preset mechanism is provided with a shielding component (15) which starts from the valve seat frame (7) and forms a partition with the casing (3), and a sleeve (17) which cooperatively functions with the shielding component (15) and is adjustable, wherein the shielding component (15) and the sleeve (17) are respectively provided with at least one opening (16, 18) and an overlap degree which can change the opening (16, 18).

Description

technical field [0001] The invention relates to a built-in valve for heaters, especially radiators of heating equipment, comprising a housing, a valve seat mounted on a valve seat frame, a valve element cooperating with the valve seat and a presetting device. Background technique [0002] Such an insert valve is known, for example, from DE10349925. There, the presetting device is formed by an insert which is rotatably mounted in the housing and has a lateral inlet which can be arranged to overlap to a greater or lesser extent with the inlet opening of the housing. The insert also serves to deflect the liquid flowing from the peripheral wall of the housing so that it flows through the valve seat to the valve element. This relatively complex guidance of the liquid is necessary in order to avoid a so-called "water shock". Water shock occurs when flow is directed at the valve element from the wrong side, ie not through the valve seat. In this case the valve element tends to i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/00F16K1/32F16K1/42F16K27/02
CPCF24D19/1018F16K1/526
Inventor 詹姆斯·梅斯默索伦·H·索伦森波尔·霍尔克
Owner DANFOSS AS
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