CA2666602A1 - Mixing valve - Google Patents

Mixing valve Download PDF

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Publication number
CA2666602A1
CA2666602A1 CA 2666602 CA2666602A CA2666602A1 CA 2666602 A1 CA2666602 A1 CA 2666602A1 CA 2666602 CA2666602 CA 2666602 CA 2666602 A CA2666602 A CA 2666602A CA 2666602 A1 CA2666602 A1 CA 2666602A1
Authority
CA
Canada
Prior art keywords
water inlet
inlet port
valve assembly
sealing surface
cold water
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
Application number
CA 2666602
Other languages
French (fr)
Other versions
CA2666602C (en
Inventor
Michael Scot Rosko
Kurt Judson Thomas
Thomas C. Pinette
Joshua R. Barber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Masco Corp of Indiana
Original Assignee
Masco Corporation Of Indiana
Michael Scot Rosko
Kurt Judson Thomas
Thomas C. Pinette
Joshua R. Barber
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 Masco Corporation Of Indiana, Michael Scot Rosko, Kurt Judson Thomas, Thomas C. Pinette, Joshua R. Barber filed Critical Masco Corporation Of Indiana
Priority to CA2793110A priority Critical patent/CA2793110C/en
Priority to CA2793122A priority patent/CA2793122C/en
Publication of CA2666602A1 publication Critical patent/CA2666602A1/en
Application granted granted Critical
Publication of CA2666602C publication Critical patent/CA2666602C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/078—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted and linearly movable closure members
    • F16K11/0782—Single-lever operated mixing valves with closure members having flat sealing faces
    • F16K11/0787—Single-lever operated mixing valves with closure members having flat sealing faces with both the supply and the discharge passages being on the same side of the closure members
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • F16K27/045—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members with pivotal obturating members
    • 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
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86815—Multiple inlet with single outlet
    • 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
    • Y10T137/9464—Faucets and spouts

Abstract

The present invention relates generally to fluid control valves and, more particularly, to a mixing valve (24) for use within a faucet (10).

Claims (11)

1. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a valve body including hot and cold water inlets and an outlet;
a lower disc including first, second, and third ports corresponding to the hot and cold water inlets and the outlet, the lower disc supported by the valve body;and an upper disc including upper and lower surfaces, the lower surface positioned in engagement with the lower disc and including a peripheral channel extending into the lower surface to a depth short of the upper surface for selective simultaneous communication with the first, second, and third ports, wherein the peripheral channel is sealed between the lower disc and the upper disc and configured to mix water from the first port and the second port and supply the resulting mixed water to the third port.
2. The valve assembly of claim 1, wherein at least one of the upper and lower discs is constructed of a metallic material.
3. The valve assembly of claim 1, wherein at least one of the upper and lower discs is constructed of a ceramic material.
4. The valve assembly of claim 1, wherein the upper and lower discs each define a substantially circular perimeter and the channel extends adjacent the circular perimeter.
5. The valve assembly of claim 4, wherein the channel includes a V-shaped portion.
6. The valve assembly of claim 1, wherein the upper disc includes an aperture extending therethrough.
7. The valve assembly of claim 1, wherein the channel extends circumferentially around the lower surface of the upper disc.
8. The valve assembly of claim 1, wherein the lower surface of the upper disc includes a central projection extending outwardly.
9. The valve assembly of claim 1, wherein the lower surface of the upper disc includes a center sealing portion configured to cooperate with the lower disc to form the channel.

-20a-
10. The valve assembly of claim 1, wherein the lower, surface of the upper disc includes an outer annular wall and a central portion that defines the channel, the central portion extending between the hot and cold water inlets.
11. The valve assembly of claim 1, further comprising:
a stem assembly operably coupled to the upper disc; and 38. The valve assembly of claim 34, wherein the sealing surface includes a plurality of seals adapted to he positioned in the hot and cold water inlets and the water outlet.
39. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a holder defining a longitudinal axis;
a laterally extending first sealing surface supported by the holder, the first sealing surface including a hot water inlet port and a cold water inlet port;
a laterally extending second sealing surface supported by the holder, the second sealing surface sealingly engaging the first sealing surface and including a channel movable with the second sealing surface relative to the first sealing surface for selective communication with the hot water inlet port and the cold water inlet port, the channel extending intermediate and laterally outwardly from the hot water inlet port and the cold water inlet port; and wherein movement of the second scaling surface relative to the first sealing surface in a direction from the hot water inlet port to the cold water inlet port causes an increase in water flow through the hot water inlet port, and movement of the second sealing surface relative to the first sealing surface in a direction from the cold water inlet port to the hot water inlet port causes an increase in water flow through the cold water inlet port.
40. The valve assembly of claim 39, wherein the holder comprises a valve body including a hot water inlet, a cold water inlet, and an outlet, 41. The valve assembly of claim 39, wherein the first sealing surface is supported by a first sealing member, and the second sealing surface is supported by a second sealing member and substantially aligned with the first sealing member along the longitudinal axis.
42. The valve assembly of claim 41, wherein at least one of the upper and lower sealing members is constructed of a ceramic material.
43. The valve assembly of claim 41, wherein the second sealing surface of the second sealing member includes an outer wall and a central portion that defines the channel, the central portion positioned intermediate the hot and cold water inlet ports.

19. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a valve body including an inlet and an outlet;
a plurality of discs configured to control the flow of water through the valve body from the inlet to the outlet;
an upper housing including a body defining an interior cavity and a flexible arcuate rib extending from the body into the cavity;
a coupling member configured to couple to the upper housing; and a ball including a stem, the ball positioned between the upper housing and the coupling member in the interior cavity in engagement with the flexible arcuate rib, the ball being configured to actuate at least one of the plurality of discs to selectively control the flow of water through the valve assembly.
20. The valve assembly of claim 19, wherein the flexible arcuate rib is configured to exert a radially compressive force on the ball.
21. The valve assembly of claim 20, further including a bonnet nut adapted to couple to the valve body, the bonnet nut being further adapted to provide a compressive force on the upper housing.
22. The valve assembly of claim 21, wherein the flexible arcuate rib includes first and second spaced-apart portions.
23. The valve assembly of claim 22, wherein the flexible arcuate rib is formed within the upper housing.
24. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a valve body including an interior cavity and hot and cold water inlets and an outlet in communication with the interior cavity;
a upper housing including a valve actuator;
a lower housing;
a lower disc positioned in the lower housing, the lower disc including a plurality of ports corresponding to the hot and cold inlets and the outlet;
an upper disc positioned above the lower disc and including upper and lower surfaces, the lower surface including a first channel configured to interact with the plurality of ports, the upper surface including an aperture extending therethrough and at least one depression;

a carrier positioned above the upper disc, the carrier configured to cooperate with the upper disc such that the aperture causes water to exert pressure against the upper surface of the upper disc to create a pressure reversing hydrobalance, the carrier being adapted to interact with the valve actuator;
and a bonnet nut adapted to couple to the valve body, the bonnet nut being configured to secure the upper and lower housings in the interior cavity of the valve body.
25. The valve assembly of claim 24, wherein the carrier defines a perimeter and includes upper and lower surfaces, the upper surface adapted to interact with the valve actuator, the lower surface including an extension and a second channel extending around the perimeter, the extension configured to cooperate with the depression in the upper surface of the upper plate.
26. The valve assembly of claim 25, further comprising a first seal adapted to be received in the second channel and positioned between the carrier and the upper surface of the upper plate.
27. The valve assembly of claim 26, further comprising a second seal positioned between the valve body and the lower disc, the second seal defining a projected surface area.
28. The valve assembly of claim 27, wherein the first seal defines a projected surface area larger than the projected surface area defined by the second seal.
29. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a valve body including an interior cavity and an inlet and an outlet in communication with the interior cavity;
a valve mechanism including an upper housing including a valve actuator and a lower housing coupled to the upper housing, the upper housing including an outer flange positioned above the valve body, the lower housing including a valve actuated by the valve actuator, the valve mechanism being positioned within the interior cavity of the valve body; and a bonnet nut adapted to couple to the valve body and to secure the valve mechanism in the interior cavity of the valve body, the bonnet nut including an interior ridge adapted to contact the outer flange of the upper housing to provide a separation between the bonnet nut and the valve body.
30. The valve assembly of claim 29, wherein the bonnet nut provides a compressive force on the valve mechanism when the bonnet nut is coupled to the valve body.
31. The valve assembly of claim 29, wherein the bonnet nut includes an aperture adapted to receive a portion of the valve actuator.
32. The valve assembly of claim 29, wherein the bonnet nut includes a second interior ridge adapted to contact a shoulder portion extending circumferentially around the upper housing.
33. The valve assembly of claim 29, wherein the flange prevents seizing between the valve body and the bonnet nut.
34. A valve assembly for controlling water flow in a faucet, the valve assembly including:
a valve body including an interior cavity, hot and cold water inlets in communication with the interior cavity, and a water outlet in communication with the interior cavity;
a valve mechanism including an upper housing including a valve actuator and a lower housing coupled to the upper housing, the lower housing including an upper disc and a lower disc, the lower disc including a plurality of ports cooperating with the hot and cold water inlets and the water outlet, the upper disc being actuated by the valve actuator to selectively allow water flow in the faucet, the valve mechanism being positioned within the interior cavity of the valve body;
and a single sealing surface positioned in the interior cavity of the valve body between the valve body and the valve mechanism, the sealing surface being in contact with the lower disc.
35. The valve assembly of claim 34, further including a bonnet nut adapted to couple to the valve body, the bonnet nut being configured to secure the upper and lower housings in the interior cavity of the valve body.
36. The valve assembly of claim 34, wherein the sealing surface pushes upward on the lower disc when the bonnet nut is coupled to the valve body.
37. The valve assembly of claim 34, wherein the sealing surface is constructed of rubber.

38. The valve assembly of claim 34, wherein the sealing surface includes a plurality of seals adapted to be positioned in the hot and cold water inlets and the water outlet.

-25a-44. The valve assembly of claim 41, further comprising:
a stem assembly operably coupled to the second sealing member, and a temperature limiting member including an engagement surface configured to set a hot water limit for limiting movement of the stem assembly and the flow of hot water through the first sealing member.

45. The valve assembly of claim 39, wherein the hot water inlet port is defined by an inside edge and an outside edge, and the cold water inlet port is defined by an inside edge and an outside edge, the outside edges of the hot water inlet port and the cold water inlet port defining control edges configured to cooperate with the channel to provide selective communication between the channel and the hot water inlet port and the cold water inlet port.

46. The valve assembly of claim 39, wherein the first scaling surface further includes a mixed water outlet port, the channel configured to provide selective communication between the hot water inlet port, the cold water inlet port, and the mixed water outlet port.

47. A valve assembly for controlling water flow in a faucet, the valve assembly comprising:
a holder defining a longitudinal axis;
a laterally extending first sealing surface supported by the holder, the first sealing surface including a hot water inlet port and a cold water inlet port, each of the hot water inlet port and the cold water inlet port including an inner edge and an outer control edge positioned laterally outwardly from the inner edge, and a laterally extending second sealing surface supported by the holder, the second sealing surface sealingly engaging the first sealing surface and including a channel including an inner channel edge and an outer channel edge positioned laterally outwardly from the inner channel edge, the inner channel edge configured to selectively overlap the outer control edges of the hot water inlet port and the cold water inlet port for providing fluid communication with the hot water inlet port, the cold water inlet port and the channel based upon the position of the second sealing surface relative to the first sealing surface.

48. The valve assembly of claim 47, wherein movement of the second sealing surface relative to the first sealing surface in a direction from the hot water inlet port to the cold water inlet port causes an increase in water flow through the hot -25b-water inlet port, and movement of the second sealing surface relative to the first sealing surface in a direction from the cold water inlet port to the hot water inlet port causes an increase in water flow through the cold water inlet port.

49. The valve assembly of claim 47, wherein the holder comprises a valve body including a hot water inlet, a cold water inlet, and an outlet 50. The valve assembly of claim 47, wherein the first sealing surface is supported by a first sealing member, and the second sealing surface is supported by a second sealing member and aligned with the first sealing member along the longitudinal axis.

51. The valve assembly of claim 50, wherein at least one of the upper and lower sealing members is constructed of a ceramic material.

52. The valve assembly of claim 50, wherein the second sealing surface of the second scaling member includes an outer annular wall and a central portion that defines the channel, the central portion positioned intermediate the hot and cold water inlet ports.

53. The valve assembly of claim 47, wherein the channel extends substantially circumferentially between the hot water inlet port and the cold water inlet port.

54. The valve assembly of claim 47, wherein the second sealing surface includes a center sealing portion configured to cooperate with the first sealing surface to seal the channel.

55. The valve assembly of claim 50, further comprising:
a stem assembly operably coupled to the second sealing member; and a temperature limiting member including an engagement surface configured to set a hot water limit for limiting movement of the stem assembly and the flow of hot water through the first sealing member.

56. The valve assembly of claim 47, wherein the hot water inlet port is defined by an inside edge and an outside edge, and the cold water inlet port is defined by an inside edge and an outside edge, the outside edges of the hot water inlet port and the cold water inlet port defining control edges configured to cooperate with the channel to provide selective communication between the channel and the hot water inlet port and the cold water inlet port.

-25c-57. A valve assembly for controlling water flow in a faucet, the valve assembly comprising:
a holder, a first sealing member supported by the holder and including a first sealing surface, the first sealing surface including a hot water inlet port and a cold water inlet port, each of the hot water inlet port and the cold water inlet port including a control edge, and a second sealing member supported by the holder and including a second sealing surface, the second sealing surface sealingly engaging the first sealing surface and including a channel extending radially outwardly relative to the control edge of the hot water inlet port and the cold water inlet port.

58. The valve assembly of claim 57, wherein the channel of the second sealing member includes an inner channel edge and an channel outer edge positioned outwardly from the inner channel edge, the inner channel edge configured to selectively overlap the outer control edges of the hot water inlet port and the cold water inlet port for providing fluid communication with the hot water inlet port and the cold water inlet port and the channel depending upon the position of the second sealing surface relative to the first sealing surface.

59. The valve assembly of claim 57, wherein the holder comprises a valve body including a hot water inlet, a cold water inlet, and an outlet.

60. The valve assembly of claim 57, wherein at least one of the upper and lower sealing members is constructed of a ceramic material.

61. The valve assembly of claim 57, wherein the channel extends substantially circumferentially between the hot water inlet port and the cold water inlet port.

62. The valve assembly of claim 57, wherein the second sealing surface includes a center sealing portion configured to cooperate with the first sealing surface to seal the channel.

63. The valve assembly of claim 57, wherein the second sealing surface of the second sealing member includes an outer annular wall and a central portion that defines the channel, the central portion positioned intermediate the hot and cold water inlet ports.

-25d-64. The valve assembly of claim 57, further comprising a stem assembly operably coupled to the second sealing member; and a temperature limiting member including an engagement surface configured to set a hot water limit for limiting movement of the stem assembly and the flow of hot water through the first scaling member.

65. The valve assembly of claim 57, wherein the hot water inlet port is defined by an inside edge and an outside edge, and the cold water inlet port is defined by an inside edge and an outside edge, the outside edges of the hot water inlet port and the cold water inlet port defining the control edges configured to cooperate with the channel.

66. The valve assembly of claim 57, wherein movement of the second sealing surface relative to the first sealing surface in a direction from the hot water inlet port to the cold water inlet port causes an increase in water flow through the hot water inlet port, and movement of the second sealing surface relative to the first sealing surface in a direction from the cold water inlet port to the hot water inlet port causes an increase in water flow through the cold water inlet port.
CA2666602A 2006-07-28 2007-07-18 Mixing valve Active CA2666602C (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2793110A CA2793110C (en) 2006-07-28 2007-07-18 Mixing valve
CA2793122A CA2793122C (en) 2006-07-28 2007-07-18 Mixing valve

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/494,889 US7753074B2 (en) 2006-07-28 2006-07-28 Mixing valve
US11/494,889 2006-07-28
PCT/US2007/016278 WO2008013715A2 (en) 2006-07-28 2007-07-18 Mixing valve

Related Child Applications (2)

Application Number Title Priority Date Filing Date
CA2793110A Division CA2793110C (en) 2006-07-28 2007-07-18 Mixing valve
CA2793122A Division CA2793122C (en) 2006-07-28 2007-07-18 Mixing valve

Publications (2)

Publication Number Publication Date
CA2666602A1 true CA2666602A1 (en) 2008-01-31
CA2666602C CA2666602C (en) 2013-01-08

Family

ID=38981979

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2793110A Active CA2793110C (en) 2006-07-28 2007-07-18 Mixing valve
CA2666602A Active CA2666602C (en) 2006-07-28 2007-07-18 Mixing valve
CA2793122A Active CA2793122C (en) 2006-07-28 2007-07-18 Mixing valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2793110A Active CA2793110C (en) 2006-07-28 2007-07-18 Mixing valve

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2793122A Active CA2793122C (en) 2006-07-28 2007-07-18 Mixing valve

Country Status (8)

Country Link
US (3) US7753074B2 (en)
EP (1) EP2054650A4 (en)
CN (1) CN101495788B (en)
BR (1) BRPI0714688A2 (en)
CA (3) CA2793110C (en)
MX (2) MX2009000625A (en)
RU (1) RU2009107071A (en)
WO (1) WO2008013715A2 (en)

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US20100252131A1 (en) 2010-10-07
CA2793122A1 (en) 2008-01-31
EP2054650A2 (en) 2009-05-06
CN101495788B (en) 2013-08-14
CA2793122C (en) 2015-06-16
RU2009107071A (en) 2010-09-10
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US20080023085A1 (en) 2008-01-31
CA2793110A1 (en) 2008-01-31
CA2793110C (en) 2015-02-10
US7980268B2 (en) 2011-07-19
WO2008013715A2 (en) 2008-01-31
US7753074B2 (en) 2010-07-13
WO2008013715A3 (en) 2008-10-23
US20110308652A1 (en) 2011-12-22
MX2009000625A (en) 2009-01-30
CN101495788A (en) 2009-07-29
MX339512B (en) 2016-05-30
CA2666602C (en) 2013-01-08
EP2054650A4 (en) 2012-05-02
US8671984B2 (en) 2014-03-18

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