Patent US3762439A successfully refreshed from Google Patents.
US3762439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid mixing valve assembly
Assignee: Parkland International Inc
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Filing: 1971-12-06
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Granted: 1973-10-02
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Expires: 1991-12-06
Abstract
Abstract There is disclosed a mixing device for mixing a first fluid with a second fluid, the device including valve means for metering and controlling the amount of second fluid which is permitted to mix with the first fluid entering the device, the device generally including a mixing body having a fluid inlet for permitting entry of a first fluid, and a fluid outlet spaced therefrom, valve means interposed in the fluid path between the fluid inlet and fluid outlet for metering and controlling the amount of a second fluid entering the mixing body, the mixing body permitting the mixture of the first fluid with the second fluid, and the mixed fluids thereafter being permitted to exit from the mixing body through the fluid outlet. The valve assembly is manually operable and permits the operator to select the desired valve opening thereby to meter and control the amount of second fluid entering the mixing device.
Inventors
- 👤 W Heath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:02
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/12; A61M16/105; A61M16/106; A61M16/107; A61M16/20; A61M16/201; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8085; Y10T137/8593; Y10T137/87571; Y10T137/87587; Y10T137/87619; Y10T137/87627
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
182 words
An apparatus for metering and mixing a first fluid with a second fluid comprising, in combination, a mixing body having a fluid inlet and a fluid outlet, an aperture disposed in said mixing body intermediate said fluid inlet and said fluid outlet, a valve assembly removably engaged in said aperture, said valve assembly comprising, a top closure plate, a bottom closure plate, said bottom closure plate being spaced from said top closure plate, said top plate including a plurality of stand-offs extending downwardly from one surface thereof and, in use, contacting said bottom plate, thereby to maintain saId top plate and said bottom plate in spaced relationship, valve means fixedly disposed between said top and bottom closure plates, said valve means being adjustable so as to regulate the volume of a second fluid entering said mixing body through said valve means, whereby the first fluid entering said inlet of said mixing body is permitted to mix with a metered amount of the second fluid entering through said valve means so as to produce a controlled mixture of the first and second fluids.
Claim 2
Independent Claim
182 words
An apparatus for metering and mixing a first fluid with a second fluid comprising, in combination, a mixing body having a fluid inlet and a fluid outlet, an aperture disposed in said mixing body intermediate said fluid inlet and said fluid outlet, a valve assembly removably engaged in said aperture, said valve assembly comprising, a top closure plate, a bottom closure plate, said bottom closure plate being spaced from said top closure plate, said top plate including a plurality of stand-offs extending downwardly from one surface thereof and, in use, contacting said bottom plate, thereby to maintain saId top plate and said bottom plate in spaced relationship, valve means fixedly disposed between said top and bottom closure plates, said valve means being adjustable so as to regulate the volume of a second fluid entering said mixing body through said valve means, whereby the first fluid entering said inlet of said mixing body is permitted to mix with a metered amount of the second fluid entering through said valve means so as to produce a controlled mixture of the first and second fluids.
Claim 3
Dependent Claim
43 words
The metering and mixing apparatus as set forth in claim 1 above, wherein said valve means is disposed in juxtaposed relation and adjacent to said bottom plate, and said valve means being rotatably movable with respect to said top plate and bottom plate.
Claim 4
Dependent Claim
105 words
The metering and mixing apparatus as set forth in claim 2 above, wherein said bottom plate includes a collar extending downwardly from one surface thereof, said collar defining an aperture extending through said bottom plate and said collar, and said valve means includes a plurality of various sized openings disposed therethrough in circumferential relation, said openings in said valve means being so disposed such that on rotation of said valve openings, one of said openings in said valve means may be caused to register with said aperture in said bottom plate thereby to control the volume of second fluid entering therethrough into said mixing body.
Claim 5
Dependent Claim
76 words
The metering and mixing apparatus as set forth in claim 3 above, which further includes handle means fixedly secured to said valve means and extending through said top plate thereby to provide external means for rotatably moving said valve means thereby to cause the registry of one of said various sized openings in said valve means with said aperture in said top plate to provide a fluid path for the first fluid into the mixing device.
References Cited (Backward Citations)
US1253143A
Cited
US1679219A
Cited
US2510356A
Cited
US2746606A
Cited
US2953160A
Cited
US3024806A
Cited
US3084634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |