US3713538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cycle valve for filters
Assignee: Individual
•
Filing: 1970-11-30
•
Granted: 1973-01-30
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Expires: 1990-11-30
Abstract
Abstract A cycle valve having an inlet chamber and an outlet chamber for passing untreated liquid to and collecting filtered liquid from a plurality of filtering tanks, respectively. The cycle valve permits a selected one of the filtering tanks to be backwashed while the remaining filtering tanks continue to operate. The cycle valve is provided with cooperating valve members, one valve member being disposed in the inlet chamber and the other valve member being disposed in the outlet chamber, with the valve members being secured to opposite ends of a connecting rod. Rotation of the connecting rod effectively rotates the cooperating valve members to an operative position to backwash the selected filtering tank while the remaining filtering tanks perform their filtration operations. The cycle valve is provided with a timing device to control the length of time the selected filtering tank is backwashed, a selection device to predetermine which filtering tanks are to be back-washed, and a device to rotate the connecting rod and thus move the valve members from one operative position to another operative position.
Inventors
- 👤 C Kass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:56
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/12; F; F16; F16K; F16K11/00; F16K11/02; F16K11/06; F16K11/072; F16K11/076
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
186 words
A cycle valve for a plurality of filtering tanks, said valve comprising inlet and outlet chamber means each communicable with externally associated filtering tanks for allowing a selected one of the filtering tanks to be backwashed while the remaining filtering tanks continue to perform respective filtration operations, said inlet chamber means passing untreated liquid to the remaining filtering tanks, said outlet chamber means permitting collection of filtered liquid from the remaining filtering tanks, first valve means disposed in said inlet chamber means for receiving backwashed liquid from the selected one of the filtering tanks, second valve means disposed in said outlet chamber means for passing backwashing liquid to the selected one of the filtering tanks, said first and second valve means being communicable with one another through the intermediary of the selected one of the filtering tanks, and drive means associated with said first and second valve means independently of liquid flow for selectively moving both said first and second valve means simultaneously to an operative position to backwash the selected one of the filtering tanks while the remaining filtering tanks perform the respective filtration operations.
Claim 2
Dependent Claim
186 words
A cycle valve for a plurality of filtering tanks, said valve comprising inlet and outlet chamber means each communicable with externally associated filtering tanks for allowing a selected one of the filtering tanks to be backwashed while the remaining filtering tanks continue to perform respective filtration operations, said inlet chamber means passing untreated liquid to the remaining filtering tanks, said outlet chamber means permitting collection of filtered liquid from the remaining filtering tanks, first valve means disposed in said inlet chamber means for receiving backwashed liquid from the selected one of the filtering tanks, second valve means disposed in said outlet chamber means for passing backwashing liquid to the selected one of the filtering tanks, said first and second valve means being communicable with one another through the intermediary of the selected one of the filtering tanks, and drive means associated with said first and second valve means independently of liquid flow for selectively moving both said first and second valve means simultaneously to an operative position to backwash the selected one of the filtering tanks while the remaining filtering tanks perform the respective filtration operations.
Claim 3
Dependent Claim
186 words
A cycle valve for a plurality of filtering tanks, said valve comprising inlet and outlet chamber means each communicable with externally associated filtering tanks for allowing a selected one of the filtering tanks to be backwashed while the remaining filtering tanks continue to perform respective filtration operations, said inlet chamber means passing untreated liquid to the remaining filtering tanks, said outlet chamber means permitting collection of filtered liquid from the remaining filtering tanks, first valve means disposed in said inlet chamber means for receiving backwashed liquid from the selected one of the filtering tanks, second valve means disposed in said outlet chamber means for passing backwashing liquid to the selected one of the filtering tanks, said first and second valve means being communicable with one another through the intermediary of the selected one of the filtering tanks, and drive means associated with said first and second valve means independently of liquid flow for selectively moving both said first and second valve means simultaneously to an operative position to backwash the selected one of the filtering tanks while the remaining filtering tanks perform the respective filtration operations.
Claim 4
Dependent Claim
186 words
A cycle valve for a plurality of filtering tanks, said valve comprising inlet and outlet chamber means each communicable with externally associated filtering tanks for allowing a selected one of the filtering tanks to be backwashed while the remaining filtering tanks continue to perform respective filtration operations, said inlet chamber means passing untreated liquid to the remaining filtering tanks, said outlet chamber means permitting collection of filtered liquid from the remaining filtering tanks, first valve means disposed in said inlet chamber means for receiving backwashed liquid from the selected one of the filtering tanks, second valve means disposed in said outlet chamber means for passing backwashing liquid to the selected one of the filtering tanks, said first and second valve means being communicable with one another through the intermediary of the selected one of the filtering tanks, and drive means associated with said first and second valve means independently of liquid flow for selectively moving both said first and second valve means simultaneously to an operative position to backwash the selected one of the filtering tanks while the remaining filtering tanks perform the respective filtration operations.
Claim 5
Dependent Claim
46 words
A cycle valve according to claim 1, wherein said drive means include a connecting rod for rotating said first and second valve means within said inlet and outlet chamber means respectively, said first and second valve means being secured to opposite ends of said connecting rod.
Claim 6
Dependent Claim
83 words
A cycle valve according to claim 1, wherein said inlet chamber means is provided with equally spaced apertures, said outlet chamber means being provided with a like number of equally spaced apertures as said inlet chamber means with each outlet chamber means aperture being in fixed relationship with an associated inlet chamber means aperture to define pairs of associated openings, so that each filtering tank is in communication with an associated one of said pairs of associated openings in a fixed relationship thereto.
Claim 7
Dependent Claim
48 words
A cycle valve according to claim 3, wherein said drive means position said first and second valve means in communication with a selected one of said pairs of associate openings to permit backwashing of the filtering tank associated with said selected one of said pairs of associated openings.
Claim 8
Dependent Claim
73 words
A cycle valve according to claim 4, wherein said apertures of said inlet chamber means are disposed in the sidewalls thereof, said first valve means including a horizontally extending portion provided with an opening at its free end, said drive means positioning said valve means opening adjacent to and in horizontal alignment with a selected one of said sidewalls apertures associated with the selected one of the filtering tanks to permit backwashing thereof.
Claim 9
Dependent Claim
77 words
A cycle valve according to claim 4, wherein said apertures of said inlet chamber means are disposed in one of the horizontal walls thereof, said first valve means including a vertically extending portion provided with an opening at its free end, said drive means positioning said valve means opening adjacent to and in vertical alignment with a selected one of said horizontal wall apertures associated with the selected one of the filtering tanks to permit backwashing thereof.
Claim 10
Dependent Claim
33 words
A cycle valve as claimed in claim 3, wherein each said first and second valve means includes a spring operated sealing device in operative association with selected of said apertures for preventing leakage.
Claim 11
Dependent Claim
31 words
A cycle valve according to claim 1, wherein timing means are associated with said drive means to control the length of time the selected one of the filtering tanks is backwashed.
Claim 12
Dependent Claim
25 words
A cycle valve according to claim 1, wherein selectiOn means are associated with said drive means to predetermine which filtering tanks are to be backwashed.
Claim 13
Dependent Claim
22 words
A cycle valve according to claim 9, wherein said selection means permit said filtering tanks to be backwashed in a predetermined order.
Claim 14
Dependent Claim
27 words
A cycle valve as claimed in claim 10, wherein said selection means include a plurality of detachable pins, and electrical switching means operatively associated with said pins.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-30 | 1976-07-31 | 1977-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-30 | 1980-07-31 | 1981-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-30 | 1984-07-31 | 1985-01-30 | $7700.00 | Window Closed / Lapsed |