CA1159745A - Sound damper for a mixing valve - Google Patents
Sound damper for a mixing valveInfo
- Publication number
- CA1159745A CA1159745A CA000385010A CA385010A CA1159745A CA 1159745 A CA1159745 A CA 1159745A CA 000385010 A CA000385010 A CA 000385010A CA 385010 A CA385010 A CA 385010A CA 1159745 A CA1159745 A CA 1159745A
- Authority
- CA
- Canada
- Prior art keywords
- disc
- ribs
- water
- moving
- plastic piece
- 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.)
- Expired
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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
- F16K47/026—Means in valves for absorbing fluid energy for preventing water-hammer or noise preventing noise in a single handle mixing valve
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
- Details Of Valves (AREA)
- Domestic Plumbing Installations (AREA)
- Check Valves (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A sound damper in a mixing valve of the type com-prising a valve body, a stationary ceramic disc located in a seat in the body and having inlets for hot and cold water and an outlet for mixed water, a moving ceramic disc having an opening which cooperates with the openings of the stationary disc for the control of the flows of cold and hot water, a plastic piece being fixed on top of the moving disc and a recess in the lower surface of the plastic piece forming, together with the moving disc, a flow chamber for water. Sound attenuation is achieved in a simple manner by providing at the lower surface of the plastic piece ribs which are integral with it and extend, mutally parallel and mainly in planes normal to the moving disc, in the flow direction of water, the ribs partly extending, at the opening of the moving disc, down substantially as far as the interface between the moving disc and the stationary disc.
A sound damper in a mixing valve of the type com-prising a valve body, a stationary ceramic disc located in a seat in the body and having inlets for hot and cold water and an outlet for mixed water, a moving ceramic disc having an opening which cooperates with the openings of the stationary disc for the control of the flows of cold and hot water, a plastic piece being fixed on top of the moving disc and a recess in the lower surface of the plastic piece forming, together with the moving disc, a flow chamber for water. Sound attenuation is achieved in a simple manner by providing at the lower surface of the plastic piece ribs which are integral with it and extend, mutally parallel and mainly in planes normal to the moving disc, in the flow direction of water, the ribs partly extending, at the opening of the moving disc, down substantially as far as the interface between the moving disc and the stationary disc.
Description
~ ~9 ~ ~
.
The present invention relates to a sound damper for a mixing valve, which comprises a valve body, a sta-1ionary ceramic disc located in a seat in the body, with inlets for hot and cold water and a discharge outlet for mixed water, a movable ceramic disc with an opening which ~orks in conjuction with the inlets of the fixed disc in order to control the flows of cold and hot water, there being a plastic piece fixed on top of the movable disc, the notch on the lower surface of the plastic piece, to-lQ gether ~ith the opening in the movable disc, forming thewater flow space.
It is previously known to design the water-mixing chamber in various ways to provide sound damping. In the chamber, it is known to place sieves, different types of sound damping material, and air-filled rubber cushions, and it is also known to shape the chamber, especially to provide its floor with grooves and protrusions in order to produce sound damping.
The object of the present invention is to provide in a simple manner an effective sound damper for mixing valves of thé type .
~ 1 5 ~
mentioned in the ingress, in which a plastic piece attached to a moving ceramic disc is used for forming the mixing chamber.
The sound damper according to the invention is characterized in that the lower surface of the plastic piece has ribs, which are integral with the plastic piece and extend, mutually parallel and mainly on planes normal to the moving disc in the water flow direction, in which case the ribs at the opening in the moving disc partly extend down substantially to the interface between the moving disc and the stationary disc.
The ribs are preferably cast in one piece with said plastic piece and it is advantageous, in view of sound attenuation, that the ribs extend along the whole lower surface of the piece, whereby water turbulence as well as clogging of impurities in the mixing chamber is prevented. As seen from the side, the ribs are preferably of a curved profile, so that at the posi-tions of the inlet and outlet openings they extend essentially down to the contact surface between the ceramic discs, whereas in the middle part the ribs are of lower profile, thus providing a sufficiently big flow space. It has been observed that even such ribs of lower profile in the middle area provide a suffi-cient guiding of the flow so that turbulence is effectively prevented. The central rib can, at least at the first end, which is at the water inlet end, extend down to the contact surface of the discs along a longer distance, so that intermixing of the cold and hot water takes place farther from the inlet openings.
, The ribs according to the invention can thus be cast simultaneously when the plastic piece is being manufactured, - and the ribs can advantageously have curved lower edges, as seen in the flow direction of water, in which case the longest parts of the ribs are, of course, situated at the opening of the moving disc.
The invention and its other characteristics are described below in greater detail in the form of an example and with reference to the accompanying drawings, in which .r 2a ~ ~5137~
Figure 1 depicts a sectioned side view of a mixing valve which can be controlled with one hand and is provided with a sound damper according to the invention, Figure 2 depicts the sound damper of the mixing chamber on a larger scal~ along section A-A of Figure 1, and FIgure 3 depicts a similar section as Figure 2 of a somewhat modified sound damper.
The mixing valve depicted is of a generally known type, and its operation is not described in detail in this context. The valve comprises a body 1, and the essential parts of the valve are placed in a seat inside the body. A ceramic disc 2 is sealed in relation to the body; the inlets 7 for hot and cold water (only one shown) are situated on the right-hand side in the disc 2 in Figure 1, and the outlet 8 for mixed water is situated on the left-hand side. To the stationary disc 2 there is sealed by surface contact a moving ceramic disc 3, to ~hich .. . .. . .......
'';
. . , , 3 ~lt~9~
there is further tightly fixed a plastic piece 4 which moves along with it. The movement of the plastic piece and the moving ceramic disc is produced by a lever 5 mounted to the body with bearings, the hand lever 6 being attached to the lever 5.
The moving disc 3 has an opening which works in conjunction with the inlets 7 of the stationary disc and, in a known manner, controls the flow of hot and cold water and, furthermore, together with the plastic piece forms the water flow chamber.
Through outlet 8, the water arrives in the discharge pipe 9.
In practice, the essential point is that on the lower surface of the plastic piece 4 there are ribs 10 which are integral with the plastic piece 4 and parallel to it, extending substantially in the water flow direction. The arrangement of the ribs is best seen in Figure 2. They provide good sound damping and are also simple to manufacture. The ribs 10 are preferably curved at their lower edges, as seen in Figure 1.
At the edges of the opening in the moving disc 3, the ribs extend downwards as far as the interface between the discs
.
The present invention relates to a sound damper for a mixing valve, which comprises a valve body, a sta-1ionary ceramic disc located in a seat in the body, with inlets for hot and cold water and a discharge outlet for mixed water, a movable ceramic disc with an opening which ~orks in conjuction with the inlets of the fixed disc in order to control the flows of cold and hot water, there being a plastic piece fixed on top of the movable disc, the notch on the lower surface of the plastic piece, to-lQ gether ~ith the opening in the movable disc, forming thewater flow space.
It is previously known to design the water-mixing chamber in various ways to provide sound damping. In the chamber, it is known to place sieves, different types of sound damping material, and air-filled rubber cushions, and it is also known to shape the chamber, especially to provide its floor with grooves and protrusions in order to produce sound damping.
The object of the present invention is to provide in a simple manner an effective sound damper for mixing valves of thé type .
~ 1 5 ~
mentioned in the ingress, in which a plastic piece attached to a moving ceramic disc is used for forming the mixing chamber.
The sound damper according to the invention is characterized in that the lower surface of the plastic piece has ribs, which are integral with the plastic piece and extend, mutually parallel and mainly on planes normal to the moving disc in the water flow direction, in which case the ribs at the opening in the moving disc partly extend down substantially to the interface between the moving disc and the stationary disc.
The ribs are preferably cast in one piece with said plastic piece and it is advantageous, in view of sound attenuation, that the ribs extend along the whole lower surface of the piece, whereby water turbulence as well as clogging of impurities in the mixing chamber is prevented. As seen from the side, the ribs are preferably of a curved profile, so that at the posi-tions of the inlet and outlet openings they extend essentially down to the contact surface between the ceramic discs, whereas in the middle part the ribs are of lower profile, thus providing a sufficiently big flow space. It has been observed that even such ribs of lower profile in the middle area provide a suffi-cient guiding of the flow so that turbulence is effectively prevented. The central rib can, at least at the first end, which is at the water inlet end, extend down to the contact surface of the discs along a longer distance, so that intermixing of the cold and hot water takes place farther from the inlet openings.
, The ribs according to the invention can thus be cast simultaneously when the plastic piece is being manufactured, - and the ribs can advantageously have curved lower edges, as seen in the flow direction of water, in which case the longest parts of the ribs are, of course, situated at the opening of the moving disc.
The invention and its other characteristics are described below in greater detail in the form of an example and with reference to the accompanying drawings, in which .r 2a ~ ~5137~
Figure 1 depicts a sectioned side view of a mixing valve which can be controlled with one hand and is provided with a sound damper according to the invention, Figure 2 depicts the sound damper of the mixing chamber on a larger scal~ along section A-A of Figure 1, and FIgure 3 depicts a similar section as Figure 2 of a somewhat modified sound damper.
The mixing valve depicted is of a generally known type, and its operation is not described in detail in this context. The valve comprises a body 1, and the essential parts of the valve are placed in a seat inside the body. A ceramic disc 2 is sealed in relation to the body; the inlets 7 for hot and cold water (only one shown) are situated on the right-hand side in the disc 2 in Figure 1, and the outlet 8 for mixed water is situated on the left-hand side. To the stationary disc 2 there is sealed by surface contact a moving ceramic disc 3, to ~hich .. . .. . .......
'';
. . , , 3 ~lt~9~
there is further tightly fixed a plastic piece 4 which moves along with it. The movement of the plastic piece and the moving ceramic disc is produced by a lever 5 mounted to the body with bearings, the hand lever 6 being attached to the lever 5.
The moving disc 3 has an opening which works in conjunction with the inlets 7 of the stationary disc and, in a known manner, controls the flow of hot and cold water and, furthermore, together with the plastic piece forms the water flow chamber.
Through outlet 8, the water arrives in the discharge pipe 9.
In practice, the essential point is that on the lower surface of the plastic piece 4 there are ribs 10 which are integral with the plastic piece 4 and parallel to it, extending substantially in the water flow direction. The arrangement of the ribs is best seen in Figure 2. They provide good sound damping and are also simple to manufacture. The ribs 10 are preferably curved at their lower edges, as seen in Figure 1.
At the edges of the opening in the moving disc 3, the ribs extend downwards as far as the interface between the discs
2 and 3. The thickness of the ribs can be, for example, about 0.6 mm, and they can be spaced about 0.6 mm apart.
Figure 3 depicts an embodiment slightly deviating from that in Figure 2; in it, the center rib 10 extends, along all of its length, down as far as the interface between the discs. In this manner, a separation of the hot and ~old water channels, known E~ se, is achieved before the outlet 8.
Figure 3 depicts an embodiment slightly deviating from that in Figure 2; in it, the center rib 10 extends, along all of its length, down as far as the interface between the discs. In this manner, a separation of the hot and ~old water channels, known E~ se, is achieved before the outlet 8.
Claims (4)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A sound damper in a mixing valve, which comprises a valve body; a stationary ceramic disc located in a seat in the body and having inlet openings for hot and cold water and an outlet opening for mixed water; a movable ceramic disc having an opening which cooperates with the openings of the stationary disc for the control of the flows of cold and hot water; a plastic piece fixed on top of the moving disc; a recess provided in the lower surface of the plastic piece and forming, together with the moving disc, a flow chamber for the water; and a plurality of ribs provided at the lower surface of the plastic piece, being integral therewith and extending, mutually parallel and mainly on planes normal to the moving disc, in the flow direction of water, the ribs partly extending, at the opening of the moving disc, down substantially as far as the interface between the moving disc and the stationary disc, the lower edges of at least the outer ones of the said ribs, as seen from the said direction, being curved in such a manner that the ribs extend deeper down at the inlets and at the out-let.
2. A sound damper according to claim 1, wherein the center rib extends mainly along its entire length down as far as the interface between the moving disc and the stationary disc.
3. A sound damper according to claim 1, wherein the ribs are spaced substantially evenly across the entire cross sectional area of the flow chamber.
4. A sound damper according to claim 1 or 2, wherein the ribs are platelike and their thickness is about 0.6 mm, and the distance between the ribs is about 0.6 mm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI802787A FI66067C (en) | 1980-09-05 | 1980-09-05 | LJUDDAEMPNINGSANORDNING FOER EN BLANDNINGSVENTIL |
| FI802787 | 1980-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1159745A true CA1159745A (en) | 1984-01-03 |
Family
ID=8513741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000385010A Expired CA1159745A (en) | 1980-09-05 | 1981-09-01 | Sound damper for a mixing valve |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT388041B (en) |
| CA (1) | CA1159745A (en) |
| DE (1) | DE3134280A1 (en) |
| DK (1) | DK155852C (en) |
| FI (1) | FI66067C (en) |
| FR (1) | FR2489921B1 (en) |
| NL (1) | NL192006C (en) |
| NO (1) | NO152667C (en) |
| SE (1) | SE443860B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596376A (en) * | 1984-05-09 | 1986-06-24 | Gevipi A.G. | Mixer valve with hard material plaques, provided with prethrottling means |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2532394B1 (en) * | 1982-08-25 | 1987-12-31 | Vaergaarda Armaturfab Ab | DEVICE FOR DRAWER VALVES, PARTICULARLY FOR MIXING TAPS |
| DE3428286A1 (en) * | 1984-08-01 | 1986-02-06 | Hansa Metallwerke Ag, 7000 Stuttgart | Single-lever mixer fitting |
| IT8521828V0 (en) * | 1985-05-16 | 1985-05-16 | Nobili Carlo Rubenetterie | IMPROVED SILENCER VALVE STRUCTURE FOR MIXER TAPS. |
| IT1186980B (en) * | 1985-09-19 | 1987-12-16 | Galatron Srl | PERFECTED MIXING VALVE FOR HOT AND COLD WATER |
| FI77518C (en) * | 1987-08-18 | 1989-03-10 | Oras Oy | Noise-canceling mixing valve. |
| DE102004056568A1 (en) * | 2004-11-23 | 2006-05-24 | Grohe Water Technology Ag & Co. Kg | Mixing valve for sanitary fittings |
| DE102008000107A1 (en) * | 2008-01-21 | 2009-07-23 | Ceramtec Ag | Cartridge for a sanitary fitting |
| DE102013209627A1 (en) * | 2013-05-23 | 2014-11-27 | Hansgrohe Se | Single lever valve, in particular sanitary single lever mixing valve |
| IT201800005546A1 (en) * | 2018-05-21 | 2019-11-21 | STRUCTURE OF SINGLE LEVER MIXING VALVE FOR TAPS. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2622179C2 (en) * | 1976-05-19 | 1986-04-30 | Ideal-Standard Gmbh, 5300 Bonn | Sanitary water valve |
| DE2658024A1 (en) * | 1976-12-22 | 1978-06-29 | Grohe Armaturen Friedrich | VALVE VALVE PLATE |
| CH625320A5 (en) * | 1978-01-26 | 1981-09-15 | Karrer Weber & Cie Ag | |
| DE2937475C2 (en) * | 1979-09-17 | 1983-09-01 | Hansa Metallwerke Ag, 7000 Stuttgart | Single lever mixer tap |
-
1980
- 1980-09-05 FI FI802787A patent/FI66067C/en not_active IP Right Cessation
-
1981
- 1981-08-20 SE SE8104940A patent/SE443860B/en not_active IP Right Cessation
- 1981-08-29 DE DE19813134280 patent/DE3134280A1/en active Granted
- 1981-08-31 NL NL8104031A patent/NL192006C/en not_active IP Right Cessation
- 1981-09-01 CA CA000385010A patent/CA1159745A/en not_active Expired
- 1981-09-04 NO NO813019A patent/NO152667C/en unknown
- 1981-09-04 DK DK392881A patent/DK155852C/en not_active IP Right Cessation
- 1981-09-04 AT AT0384181A patent/AT388041B/en not_active IP Right Cessation
- 1981-09-04 FR FR8116837A patent/FR2489921B1/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4596376A (en) * | 1984-05-09 | 1986-06-24 | Gevipi A.G. | Mixer valve with hard material plaques, provided with prethrottling means |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3134280A1 (en) | 1982-08-12 |
| FR2489921B1 (en) | 1986-01-17 |
| FI66067C (en) | 1985-11-05 |
| FI66067B (en) | 1984-04-30 |
| NO152667C (en) | 1985-10-30 |
| DK155852B (en) | 1989-05-22 |
| DK392881A (en) | 1982-03-06 |
| SE443860B (en) | 1986-03-10 |
| NO152667B (en) | 1985-07-22 |
| DE3134280C2 (en) | 1990-04-19 |
| DK155852C (en) | 1989-11-13 |
| FI802787A (en) | 1982-03-06 |
| FR2489921A1 (en) | 1982-03-12 |
| NO813019L (en) | 1982-03-08 |
| ATA384181A (en) | 1988-09-15 |
| SE8104940L (en) | 1982-03-06 |
| NL192006C (en) | 1996-12-03 |
| NL192006B (en) | 1996-08-01 |
| NL8104031A (en) | 1982-04-01 |
| AT388041B (en) | 1989-04-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |