Patent US3882897A successfully refreshed from Google Patents.
US3882897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing valve
Assignee: Masco Corp
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Filing: 1973-08-13
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Granted: 1975-05-13
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Expires: 1993-08-13
Abstract
Abstract A hot and cold water mixing valve comprising a valve body having a mixing chamber therein and hot and cold water inlet ports opening into one wall of the mixing chamber, and a valve member controlled by a single operating handle and having a surface thereof movable over said wall of the mixing chamber. The valve is characterized by a unique port configuration to communicate the hot and cold water inlet ports with the mixing chamber, the ports in the valve member being dimensioned and so related to the hot and cold water inlet ports as to permit rotation of the control handle through about 180* to control the temperature of the water discharged from the valve. The port configuration is such that upon rotation of the valve member from full cold to full hot position there is an initial relatively rapid increase in temperature from cold to warm, then a very gradual adjustment in temperature throughout the comfort range, which is generally considered to be from 90* F., to 110* F., followed by a relatively rapid increase in temperature to the full hot position.
Inventors
- 👤 Alex Manoogian
- 👤 Eric V Pullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:27
CPC Classifications
F; F16; F16K; F16K11/00; F16K11/02; F16K11/08; F16K11/087; F16K11/06; F16K11/078; F16K11/0782; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815; Y10T137/87056; Y10T137/8708
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
319 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, porting means in said valve member to communicate said inlet ports with said outlet ports, said porting means in said valve member extending over said surface in a generally circular pattern extending through substantially in excess of 180* but less than 360*, operating means for said valve member including a handle projecting outwardly from said valve body and mechanical interconnecting means between said handle and said valve member causing linear movement of said valve member in the direction of a line joining the centers of said inlet ports in response to rotation of said handle about a first axis of rotation and causing rotation of said valve member on an axis normal to said surface and passing through the center of said circular porting means in response to rotation of said handle about a second axis of rotation, said valve member being movable by said handle and interconnecting means in said linear direction between a closed position in which said axis of rotation of said valve member is aligned with one of said inlet ports whereby both of said inlet ports remain closed by said valve member in any rotational position of said valve member, and an open position in which said porting means intersects either one or both of said inlet ports, depending upon the rotational position of said valve member, rotation of said valve member on its axis of rotation when in said open position varying the extent of opening of said inlet ports to regulate the temperature of the mixture discharged through said outlet port.
Claim 2
Dependent Claim
319 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, porting means in said valve member to communicate said inlet ports with said outlet ports, said porting means in said valve member extending over said surface in a generally circular pattern extending through substantially in excess of 180* but less than 360*, operating means for said valve member including a handle projecting outwardly from said valve body and mechanical interconnecting means between said handle and said valve member causing linear movement of said valve member in the direction of a line joining the centers of said inlet ports in response to rotation of said handle about a first axis of rotation and causing rotation of said valve member on an axis normal to said surface and passing through the center of said circular porting means in response to rotation of said handle about a second axis of rotation, said valve member being movable by said handle and interconnecting means in said linear direction between a closed position in which said axis of rotation of said valve member is aligned with one of said inlet ports whereby both of said inlet ports remain closed by said valve member in any rotational position of said valve member, and an open position in which said porting means intersects either one or both of said inlet ports, depending upon the rotational position of said valve member, rotation of said valve member on its axis of rotation when in said open position varying the extent of opening of said inlet ports to regulate the temperature of the mixture discharged through said outlet port.
Claim 3
Dependent Claim
22 words
A mixing valve according to claim 1, including means limiting rotation of said handle on said second axis to about 180* .
Claim 4
Dependent Claim
79 words
move said valve member in a manner to shift the axis of rotation of said valve member along a line joining the centers of said inlet ports between a closed position in which said axis of rotation passes through one of said inlet ports and said porting pattern extends around said one inlet port, and an open position in which said axis of rotation is between said inlet ports and said porting pattern intersects both of said inlet ports.
Claim 5
Dependent Claim
79 words
move said valve member in a manner to shift the axis of rotation of said valve member along a line joining the centers of said inlet ports between a closed position in which said axis of rotation passes through one of said inlet ports and said porting pattern extends around said one inlet port, and an open position in which said axis of rotation is between said inlet ports and said porting pattern intersects both of said inlet ports.
Claim 6
Dependent Claim
64 words
move said valve member in a manner to shift the axis of rotation of said valve member along a line joining the centers of said inlet ports between a closed position in which said porting pattern is out of registry with both of said inlet ports, and an open position in which said porting pattern intersects either one or both of said inlet ports.
Claim 7
Dependent Claim
64 words
move said valve member in a manner to shift the axis of rotation of said valve member along a line joining the centers of said inlet ports between a closed position in which said porting pattern is out of registry with both of said inlet ports, and an open position in which said porting pattern intersects either one or both of said inlet ports.
Claim 8
Dependent Claim
55 words
A mixing valve according to claim 2, wherein said valve member, in one limit position of said handle about said second axis, is capable of opening only said cold water inlet port, and in the other limit position of said handle about said second axis is capable of opening only said hot water inlet port.
Claim 9
Dependent Claim
59 words
A mixing valve according to claim 3, wherein said porting means in said valve member is so arranged and dimensioned relative to said inlet ports as to provide a gradual increase in the temperature of the mixture from about 90* to about 110*F. as said handle is rotated through about 80* to 85* on said second axis of rotation.
Claim 10
Dependent Claim
301 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, the porting in said valve member being arranged in a generally circular pattern extending through at least 180*, operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, said handle being rotatable about one axis of rotation to produce linear movement of said valve member in the direction of a line joining the centers of said inlet ports and being rotatable about a second axis of rotation to produce rotation of said valve member on an axis normal to said surface and passing through the center of said circular porting pattern, said valve member being movable by said handle and interconnecting means in said linear direction between a closed position in which its axis of rotation is aligned with said cold water inlet port whereby both of said inlet ports remain closed in any rotational position of said valve member, and an open position in which rotation of said valve member causes said porting pattern to intersect both of said inlet ports, rotation of said valve member on its axis when in said open position gradually increasing the extent of opening of one of said inlet ports while proportionately decreasing the extent of opening of the other inlet port thereby to regulate the temperature of the mixture discharged through said outlet port.
Claim 11
Dependent Claim
301 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, the porting in said valve member being arranged in a generally circular pattern extending through at least 180*, operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, said handle being rotatable about one axis of rotation to produce linear movement of said valve member in the direction of a line joining the centers of said inlet ports and being rotatable about a second axis of rotation to produce rotation of said valve member on an axis normal to said surface and passing through the center of said circular porting pattern, said valve member being movable by said handle and interconnecting means in said linear direction between a closed position in which its axis of rotation is aligned with said cold water inlet port whereby both of said inlet ports remain closed in any rotational position of said valve member, and an open position in which rotation of said valve member causes said porting pattern to intersect both of said inlet ports, rotation of said valve member on its axis when in said open position gradually increasing the extent of opening of one of said inlet ports while proportionately decreasing the extent of opening of the other inlet port thereby to regulate the temperature of the mixture discharged through said outlet port.
Claim 12
Dependent Claim
22 words
A mixing valve according to claim 5, including means limiting rotation of said handle on said second axis to about 180* .
Claim 13
Dependent Claim
55 words
A mixing valve according to claim 6, wherein said valve member, in one limit position of said handle on said second axis, is capable of opening only said cold water inlet port, and in the other limit position of said handle on said second axis is capable of opening only said hot water inlet port.
Claim 14
Dependent Claim
59 words
A mixing valve according to claim 7, wherein said porting pattern in said valve member is so arranged and dimensioned relative to said inlet ports as to provide a gradual increase in the temperature of the mixture from about 90* to about 110*F. as said handle is rotated through about 80* to 85* on said second axis of rotation.
Claim 15
Dependent Claim
316 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, and an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereon seated against said one wall of said mixing chamber, operating means for said valve member including an operating handle disposed outwardly of said valve body and means interconnecting said handle and said valve member, said handle being rotatable about its axis to produce rotation of said valve member against said one wall of said mixing chamber, said handle being rotatable about a second axis which is perpendicular to a line joining the centers of said inlet ports to produce movement of said valve member in a manner to shift the axis of rotation of said valve member in the direction of said line joining the centers of said inlet ports, said valve member being ported to communicate said inlet ports with said outlet port, the porting in said valve member being arranged in a generally circular pattern extending through substantially in excess of 180* but less than 360* around the axis of rotation of said valve member and beIng arranged and dimensioned so that movement of said handle about said second axis in one direction moves said valve member to a position in which both of said inlet ports are closed irrespective of the extent of rotation of said handle on its axis in either direction, and so that movement of said handle about said second axis in the opposite direction moves said valve member to progressively increase the volume of flow through either or both of said inlet ports, the proportions of hot and cold water discharged through said inlet ports being selectively determined by rotation of said handle on its axis.
Claim 16
Dependent Claim
316 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, and an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereon seated against said one wall of said mixing chamber, operating means for said valve member including an operating handle disposed outwardly of said valve body and means interconnecting said handle and said valve member, said handle being rotatable about its axis to produce rotation of said valve member against said one wall of said mixing chamber, said handle being rotatable about a second axis which is perpendicular to a line joining the centers of said inlet ports to produce movement of said valve member in a manner to shift the axis of rotation of said valve member in the direction of said line joining the centers of said inlet ports, said valve member being ported to communicate said inlet ports with said outlet port, the porting in said valve member being arranged in a generally circular pattern extending through substantially in excess of 180* but less than 360* around the axis of rotation of said valve member and beIng arranged and dimensioned so that movement of said handle about said second axis in one direction moves said valve member to a position in which both of said inlet ports are closed irrespective of the extent of rotation of said handle on its axis in either direction, and so that movement of said handle about said second axis in the opposite direction moves said valve member to progressively increase the volume of flow through either or both of said inlet ports, the proportions of hot and cold water discharged through said inlet ports being selectively determined by rotation of said handle on its axis.
Claim 17
Dependent Claim
20 words
A mixing valve according to claim 9, including means limiting said handle to about 180* of rotation on its axis.
Claim 18
Dependent Claim
55 words
A mixing valve according to claim 10, wherein said porting in said valve member is so arranged and dimensioned relative to said inlet ports as to provide a gradual increase in the temperature of the mixture from about 90* to 110* F. as said handle is rotated through about 80* to 85* on its axis.
Claim 19
Dependent Claim
141 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, and operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, characterized by the fact that: a. said porting in said valve member is arranged in a generally circular pattern extending through in excess of 180* but less than 360*, and b. said handle and said interconnecting means are selectively operable to
Claim 20
Dependent Claim
141 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, and operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, characterized by the fact that: a. said porting in said valve member is arranged in a generally circular pattern extending through in excess of 180* but less than 360*, and b. said handle and said interconnecting means are selectively operable to
Claim 21
Dependent Claim
32 words
A mixing valve according to claim 12, wherein said handle is rotatable about two different axes to produce said rotation and said movement of the axis of rotation of said valve member.
Claim 22
Dependent Claim
28 words
A mixing valve according to claim 13, wherein said handle is rotatable through about 180* on one of said axes to rotate said valve member on its axis.
Claim 23
Dependent Claim
32 words
A mixing valve according to claim 14, wherein said porting pattern communicates with both of said inlet ports through at least about 80* of rotation of said handle on said one axis.
Claim 24
Dependent Claim
31 words
A mixing valve according to claim 12, including stop means permitting installation of said valve member in said valve body in either of two angular positions displaced 180* from each other.
Claim 25
Dependent Claim
239 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall, porting means in said valve member to communicate said inlet ports with said outlet port, said porting means in said valve member extending over said surface in a generally circular arc in excess of 180* but less than 360*, valve operating means operably secured to said valve member and including an elongate handle projecting outwardly from said valve body, said operating means being secured to said valve member by mechanical interconnecting means causing movement of said porting means in the direction of a line on said one wall joining the centers of said inlet ports in response to rotation of said handle about a first axis of rotation to bring said porting means into and out of registry with said inlet ports by relative movement of said inlet ports laterally across said arc and causing rotational movement of said valve member in response to rotation of said handle about a second axis of rotation to bring said porting means into and out of registry with said inlet ports by relative movement of said inlet ports in a curved path along said arc.
Claim 26
Dependent Claim
239 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall, porting means in said valve member to communicate said inlet ports with said outlet port, said porting means in said valve member extending over said surface in a generally circular arc in excess of 180* but less than 360*, valve operating means operably secured to said valve member and including an elongate handle projecting outwardly from said valve body, said operating means being secured to said valve member by mechanical interconnecting means causing movement of said porting means in the direction of a line on said one wall joining the centers of said inlet ports in response to rotation of said handle about a first axis of rotation to bring said porting means into and out of registry with said inlet ports by relative movement of said inlet ports laterally across said arc and causing rotational movement of said valve member in response to rotation of said handle about a second axis of rotation to bring said porting means into and out of registry with said inlet ports by relative movement of said inlet ports in a curved path along said arc.
Claim 27
Dependent Claim
29 words
The valve of claim 17, wherein said second axis of rotation of said handle is the longitudinal axis of said handle and lies normal to said first rotational axis.
Claim 28
Dependent Claim
141 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, and operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, characterized by the fact that: a. said porting in said valve member is arranged in a generally circular pattern extending through in excess of 180* but less than 360*, and b. said handle and said interconnecting means are selectively operable to
Claim 29
Dependent Claim
141 words
A hot and cold water mixing valve comprising a valve body having a mixing chamber therein, one wall of which has a hot water inlet port and a cold water inlet port therein, an outlet port opening from said mixing chamber, a valve member in said mixing chamber having a surface thereof seated against said one wall of said mixing chamber, said valve member being ported to communicate said inlet ports with said outlet port, and operating means for said valve member including a handle projecting outwardly from said valve body and means interconnecting said handle and said valve member, characterized by the fact that: a. said porting in said valve member is arranged in a generally circular pattern extending through in excess of 180* but less than 360*, and b. said handle and said interconnecting means are selectively operable to
References Cited (Backward Citations)
US3372710A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |