IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0164817
(1980-06-30)
|
| 우선권정보 |
IT-0044810 (1979-07-16) |
|
발명자
/ 주소 |
- Uhlmann Joachim (Leonberg DEX)
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| 출원인 / 주소 |
|
| 인용정보 |
피인용 횟수 :
47 인용 특허 :
0 |
초록
▼
A pair of hard material plaques for a hot and cold water mixer valve, comprising a fixed and a movable plaques, each having two windows for passage of hot and cold water respectively, wherein the inner and outer edges of the windows are defined by circular arcs, and the edges of the windows, which c
A pair of hard material plaques for a hot and cold water mixer valve, comprising a fixed and a movable plaques, each having two windows for passage of hot and cold water respectively, wherein the inner and outer edges of the windows are defined by circular arcs, and the edges of the windows, which cooperate with one another in the closure position, are of equal radius and are concentric in the closure position of the plaques. Due to this provision the control of admitted water quantity, by diametrical displacement of the movable plaque, and the control of mixing ratio, by rotational displacement of the movable plaque, do not interfere with one another. Preferably the remaining edges of the windows are circular arcs too, and the radial width of all windows, measured along a specific diameter, is also equal.
대표청구항
▼
In a mixer valve comprising a body, inlet unions for hot and cold water, an outlet union for mixed water, a seat for a hard material plaque in said body, and control means intended to be operatively connected to a second hard material plaque for displacing the same rotatively around a center and lin
In a mixer valve comprising a body, inlet unions for hot and cold water, an outlet union for mixed water, a seat for a hard material plaque in said body, and control means intended to be operatively connected to a second hard material plaque for displacing the same rotatively around a center and linearly along a diameter of said control means in view of regulating the quantity and the mixing ratio of water passing from said inlet unions to said outlet unions, a pair of hard material plaques comprising: a first plaque intended to be mounted stationary in said seat of the valve body, said first plaque having a center intended to coincide substantially with said center of the control means, and having a first and a second windows, intended to sealingly communicate with said inlet unions, each of said first and second windows having an inner edge, an outer edge and union sections comprising said inner and outer edges; a second plaque intended to be superposed on and in sliding contact with said first plaque and to be operatively connected to said control means, said second plaque having a first and a second windows, intended each to cooperate with one of the windows of said first plaque, each of said first and second windows having an inner edge, an outer edge and union sections connecting said inner and outer edges; said inner edge of the first window of said first plaque being substantially defined by a first circular arc having its center of curvature substantially located in said center of the first plaque, said outer edge of the first window of the second plaque being substantially defined by a second circular arc having a radius substantially equal to the radius of said first circular arc; said outer edge of the second window of said first plaque being substantially defined by a third circular arc having its center of curvature substantially located in said center of the first plaque, and said inner edge of the second window of said second plaque being substantially defined by a fourth circular arc having a radius substantially equal to the radius of said third circular arc and having its center of curvature substantially coincident with the center of curvature of said second circular arc.
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