EP0222858A1 - Rohrtrenner. - Google Patents
Rohrtrenner.Info
- Publication number
- EP0222858A1 EP0222858A1 EP86903365A EP86903365A EP0222858A1 EP 0222858 A1 EP0222858 A1 EP 0222858A1 EP 86903365 A EP86903365 A EP 86903365A EP 86903365 A EP86903365 A EP 86903365A EP 0222858 A1 EP0222858 A1 EP 0222858A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- valve
- pipe separator
- outlet
- bore
- section
- 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.)
- Granted
Links
- 230000000903 blocking effect Effects 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 16
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000007423 decrease Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/104—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
- E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87917—Flow path with serial valves and/or closures
- Y10T137/88054—Direct response normally closed valve limits direction of flow
Definitions
- the invention relates to a pipe separator according to the preamble of claim 1.
- Such a pipe separator is known from DE-OS 32 47 325.
- the object of the invention is to provide a pipe separator of the type described at the outset, which is improved over the known type. In particular, it should have fewer switching vibrations.
- FIG. 1 shows a section through a pipe separator according to the invention in a first position.
- FIG. 2 shows the pipe separator shown in FIG. 1 in a second position
- ⁇ & » 3 shows an enlarged illustration of the valve used in the pipe separator shown in FIGS. 1 and 2 in a first position
- FIG. 4 shows the valve shown in FIG. 3 in a second position
- Fig. 5 is an enlarged view of part of the valve shown in Fig. 4.
- Fig. 6 shows a third switching position of the pipe separator.
- the pipe separator 1 has an inlet 2 that can be connected to a pipe and an outlet 3 that can be connected to a pipe. There is between input 2 and output 3. a slide 4 with a Verbikardungskarial 5 is provided. As can be seen from FIG. 1, the slide connects input 2 and output 3 in the position shown, while in a second position, not shown, in which it is displaced transversely to the connecting channel, it separates input and output from one another; One end of the slide 4 extends into a cylinder 6, in which it can slide back and forth as a piston depending on the pressure prevailing in the cylinder.
- the inside of the cylinder 6 can be connected to the input 2 via a control valve 7 and a connecting line 8.
- the control valve 7 has a valve chamber with a first section 9 and a second section 10.
- the first section 9 is connected on the input side to the connecting line 8 forming the first input of the control valve and on the output side to the second section 10.
- the second section is designed as a bore, which at its end facing away from the first section into a bore - 3 -
- the second section 10 is connected to the interior of the cylinder 6 via transverse bores 13. It has valve seats 15, 16 both at its end facing the first section and at its end facing the bore 11.
- a valve stem 17 is provided which extends through the second section and has a valve body 18 at its end facing away from the first section and a second valve body at a distance therefrom which is greater than the distance between the two valve seats 15, 16 19 has.
- the surface of the second valve body 19 facing the first section is larger than the area of the first valve body 18 which is acted upon over the second section.
- the wall of the first section 9 opposite the second section 10 is formed by a membrane 21 firmly clamped at its edge by a control valve housing 20.
- the valve stem 17 is extended so far through the first section that it passes through the membrane 21 with an abutment plate 22 and is firmly connected to the membrane 21 itself.
- the control valve housing 20 forms a space 23 which is delimited on the side facing away from the diaphragm by an abutment 24. Between the abutment 24 and the abutment plate 22 - 4 -
- a compression spring 25 is arranged, which biases the diaphragm and thus the valve body into the second position via the abutment plate.
- the space 23 is connected to the environment via a bore 26 which passes through the control valve housing.
- the abutment plate 22 is via a connection. rod firmly connected to a second pressure measuring device in the form of a second membrane 27 firmly clamped at its edges and arranged coaxially to the membrane 21.
- the side of the second membrane facing the membrane 21 is connected to the environment via a bore 28, while the side of the second membrane facing away from the membrane 21 is connected to a connecting line 30 via a bore forming the second input of the control valve.
- a shut-off valve is provided with a valve seat 32 arranged on the inlet side of the outlet 3 and a valve body 33 cooperating therewith.
- the valve body 33 has on its rear side a valve stem 34 which is mounted in a suitable holder so as to be displaceable against the valve seat or movable away therefrom.
- a compression spring 35 is provided on a suitable abutment, by means of which the valve body is biased towards the valve seat.
- a 2-3 way valve 36 is also provided.
- This has a housing 37 with a cylinder bore 38 extending through it in the longitudinal direction.
- a cap 39 made of transparent material, which is screwed to the housing.
- the cylinder bore 38 continues into the cap, but does not pass through it and rather becomes - 5 -
- a cylinder 40 is provided, in which a piston 41 is arranged such that it can be moved back and forth in the axial direction of the bore in the cylinder.
- the piston is fixedly connected to a control rod 42 which extends into the cylinder bore 38 and is guided by it.
- the control rod 42 has at its end adjacent the cap 39 supplied a first portion 43 whose diameter is smaller than that of the Zylinderboh- ⁇ tion.
- a second section 44 which has essentially the same diameter as the cylinder bore 38.
- a third section 45 the diameter of which in turn is smaller than the diameter of the cylinder bore.
- a fourth section extending up to the piston 41, the diameter of which is again essentially the same as that of the cylinder bore.
- a compression spring 48 is provided between an abutment surface 47 of the housing and the piston 41, which pushes the piston and thus the control rod firmly connected to it into the position shown in FIG. 3, in which the piston moves away from the housing to Bottom of the cylinder 40 is moved, biased.
- the piston 41 and thus the control rod 42 can move between this first position and a second position shown in FIG. 4, in which the piston moves counter to the spring action up to the housing and the control rod into the bore of the cap 39 are moved back and forth.
- first transverse bore leading into the cylinder bore 38 in the housing 58 is provided, which is arranged such that, in the second position shown in FIG. 2, it opens into the area in the cylinder bore 38 in which the first section 43 of the control rod lies.
- the first transverse bore 58 is connected to one end of a line 49, whose other end opens into the outlet 3 on the outlet-side rear side of the valve body 33, as best shown in FIG. 1.
- the cylinder bore 38 has a first section 51, the diameter of which is substantially equal to the diameter of the second section 44 of the control rod 42. This extends from the cap 39 to close to the end of the second section 44 of the control rod facing the piston 41.
- This first section is followed by a second section 52 oriented toward the piston, the diameter of which is larger than the diameter of the second section 44 of the control rod.
- a second transverse bore 50 is provided, which opens into the upper end of the second section 52 of the cylinder bore facing away from the piston 41 and that via a line 53 with atmosphere or with the space into which the outlet bore 12 also extends opens, is connected.
- a third transverse bore 54 is provided, which, as is shown in particular in FIGS. 3 and 4, opens into the lower end of the second section of the cylinder bore facing the piston rod and which communicates with the bore 29 of the Control valve 7 and thus connected to the second membrane chamber thereof.
- sealing rings 55 and 56 are provided, which are arranged in the axial direction in such a way that in the position shown in FIG. 4 a seal between the first space 57 located between the piston and the housing and the cylinder bore and in that in FIG. 3 shown first position a seal between the second transverse bore and the third transverse bore.
- a connecting bore 70 is provided between the first space 57 and the first transverse bore 58. Furthermore, as can best be seen from FIG. 5, which shows the part encircled in FIG. 4 on an enlarged scale, between the first space 57 and that between the rear of the piston 41 facing away from the housing and the bottom of the cylinder 40 a throttled path is provided in the second space 59 formed.
- the piston has an annular groove 60 on its outer circumference, in which a loose ring seal 61 is provided which is biased against the cylinder wall.
- a throttle bore 62 is provided between the annular groove 60 and the surface of the piston facing the first space 57.
- a bore which can be connected to an inlet 63 is provided, in which a check valve 64 is arranged, which allows an inlet into the second chamber 59 and against a return from the second chamber into the Inlet 63 blocks.
- the inlet 63 is connected via a line 65 in the manner best seen in FIG. 1 to the region 66 which adjoins the slide on one side and on the other side is limited by the valve seat 32, ⁇ which is closed towards the outlet when the valve body 33 is seated.
- a membrane pressure accumulator 67 is also provided, which is connected to the outlet side 3 of the pipe separator via a bore 68 leading into the outlet chamber.
- the pipe separator is initially in the flow position shown in FIG. 1.
- the inlet 2 is acted upon by a liquid medium which flows through the connecting channel 5, the valve 32, 33 and the outlet 3 to a consumer.
- the medium flows via the line 8 into the valve chamber 9 and exerts a force on the membrane 21 in the direction of the first position of the control valve 7 shown in FIG. 1.
- the force exerted by the compression spring 25 and the force exerted on the second membrane 27 by the pressure of the medium applied via the connecting line 30 is directed against this force.
- the control valve 7 is in the first position shown in Fig. 1. In this position, the inside of the cylinder 6 is acted upon by the inlet-side pressure via the transverse bores 13 and the connecting line 8.
- the prestressing of a compression spring 69 which prestresses the slide 4 into the blocking position is selected such that in the valve position there is a - 9 -
- the springs 25 and 35 are designed for 0.55 bar, while the spring 48 is designed for 0.3 bar.
- the valve body 33 If the pressure prevailing at the inlet 2 falls below a value predetermined by the spring sizes relative to the pressure prevailing at the outlet 3, the valve body 33 first goes into the closed position shown in FIG. 2. At the same time, the check valve 64 closes. The spring 48 causes the piston 41 to displace the liquid in the second chamber 59 via the throttle bore 62 into the first chamber 57 and the piston moves out of the position shown in FIG the position shown in Fig. 3 moves. As a result, the relatively higher pressure present at the outlet reaches the area above the diaphragm 27. As a result of this and the simultaneous action of the compression spring 25, the control valve is moved into its second position, shown in FIG.
- valve body 19 is separated from the second section 10 and the interior of the cylinder 6 is connected to the bore 11 by lifting the valve body 18 from the valve seat 16.
- the pressure in the interior of the cylinder 21 decreases, so that the compression spring 69 moves the slide 4 into its second position, shown in FIG. 2, in which the inlet and outlet are separated.
- the third position shown in FIG. 6 is reached.
- the slide 4 and the check valve 64 are in the flow position.
- the piston 41 has moved from the position shown in FIG. 3 to the position shown in FIG. 4. This is achieved in that the valve 32, 33 is subjected to a greater pretension than the product from the piston 41 in connection with the spring 48.
- the pressure holding effect between the lines 65 and 49 is greater in the valve 32, 33 than between the pistons 41 and spring 48.
- a small amount of water can be removed via lines 65 and 49. If the amount of water decreases again somewhat, the check valve 64 is first moved back into the blocking position, and then the return movement of the piston 41 starts from the position shown in FIG. 4 to the position shown in FIG. 3. If the amount of water increases again before reaching the lowest piston position shown in FIG. 3, the piston goes up again without the slide 4 going into the disconnected position in between.
- the valve 36 thus brings about damping and reducing the switching frequency of the slide 4.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Check Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT86903365T ATE40434T1 (de) | 1985-06-05 | 1986-06-05 | Rohrtrenner. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19853520250 DE3520250A1 (de) | 1985-06-05 | 1985-06-05 | Rohrtrenner |
DE3520250 | 1985-06-05 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0222858A1 true EP0222858A1 (de) | 1987-05-27 |
EP0222858B1 EP0222858B1 (de) | 1989-01-25 |
EP0222858B2 EP0222858B2 (de) | 1992-03-11 |
Family
ID=6272562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86903365A Expired - Lifetime EP0222858B2 (de) | 1985-06-05 | 1986-06-05 | Rohrtrenner |
Country Status (5)
Country | Link |
---|---|
US (1) | US4745946A (de) |
EP (1) | EP0222858B2 (de) |
JP (1) | JPS63500051A (de) |
DE (2) | DE3520250A1 (de) |
WO (1) | WO1986007400A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3626825A1 (de) * | 1986-08-08 | 1988-02-18 | Gruenbeck Josef Wasseraufb | Rohrtrennung mit einer sperreinrichtung und eine ueberwachungseinrichtung fuer die sperreinrichtung |
ATE53878T1 (de) * | 1987-08-31 | 1990-06-15 | Honeywell Braukmann Gmbh | Trinkwasser-durchflussarmatur. |
DE4101114C1 (de) * | 1991-01-16 | 1992-06-04 | Gruenbeck Wasseraufbereitung Gmbh, 8884 Hoechstaedt, De | |
DE4142866C2 (de) * | 1991-12-23 | 1994-03-03 | Gruenbeck Josef Wasseraufb | Rohrtrenner |
DE4204386C2 (de) * | 1992-02-14 | 1994-01-20 | Honeywell Braukmann Gmbh | Systemtrenner |
DE19819852C2 (de) * | 1998-05-05 | 2000-09-07 | Gruenbeck Josef Wasseraufb | Rohrtrennvorrichtung und hydraulisch angetriebene Hebevorrichtung mit einer solchen Rohrtrennvorrichtung |
AU2003282978A1 (en) * | 2002-10-18 | 2004-05-04 | Watts Regulator Co. | Spill-resistant relief valve |
US20180289556A1 (en) | 2017-04-11 | 2018-10-11 | Ipcapital Group, Inc. | Wound covering apparatus |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2849825C2 (de) * | 1978-11-17 | 1984-05-10 | Lang Apparatebau GmbH, 8227 Siegsdorf | Trinkwasser-Durchflußarmatur mit in eine Trinkwasserversorgungsleitung eingebautem Durchflußwächter |
DE3247325C2 (de) * | 1982-12-21 | 1990-02-15 | Grünbeck Wasseraufbereitung GmbH, 8884 Höchstädt | Rohrtrenner |
DE3323324C3 (de) * | 1983-06-29 | 1995-10-12 | Schubert & Salzer Gmbh & Co In | Verfahren und Vorrichtung zum Steuern eines Rohrtrenners in Abhängigkeit einer an einer Vergleichsstelle vorgegebenen Druckdifferenz |
DE3442748A1 (de) * | 1984-11-23 | 1986-05-28 | Lang Apparatebau GmbH, 8227 Siegsdorf | Vorrichtung zum schutz von trinkwasserleitungen |
-
1985
- 1985-06-05 DE DE19853520250 patent/DE3520250A1/de active Granted
-
1986
- 1986-06-05 US US07/017,162 patent/US4745946A/en not_active Expired - Fee Related
- 1986-06-05 WO PCT/EP1986/000336 patent/WO1986007400A1/de active IP Right Grant
- 1986-06-05 DE DE8686903365T patent/DE3661950D1/de not_active Expired
- 1986-06-05 JP JP61503503A patent/JPS63500051A/ja active Pending
- 1986-06-05 EP EP86903365A patent/EP0222858B2/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO8607400A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE3520250A1 (de) | 1986-12-11 |
EP0222858B2 (de) | 1992-03-11 |
DE3520250C2 (de) | 1989-03-02 |
DE3661950D1 (en) | 1989-03-02 |
EP0222858B1 (de) | 1989-01-25 |
WO1986007400A1 (en) | 1986-12-18 |
JPS63500051A (ja) | 1988-01-07 |
US4745946A (en) | 1988-05-24 |
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