GB595891A - Improvements in filters - Google Patents
Improvements in filtersInfo
- Publication number
- GB595891A GB595891A GB18682/45A GB1868245A GB595891A GB 595891 A GB595891 A GB 595891A GB 18682/45 A GB18682/45 A GB 18682/45A GB 1868245 A GB1868245 A GB 1868245A GB 595891 A GB595891 A GB 595891A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- filter
- valve
- tube
- casing
- 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.)
- Expired
Links
- 239000007788 liquid Substances 0.000 abstract 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000004576 sand Substances 0.000 abstract 2
- 229910052709 silver Inorganic materials 0.000 abstract 2
- 239000004332 silver Substances 0.000 abstract 2
- 230000001954 sterilising effect Effects 0.000 abstract 2
- 239000000725 suspension Substances 0.000 abstract 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000000706 filtrate Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/44—Edge filtering elements, i.e. using contiguous impervious surfaces
- B01D29/48—Edge filtering elements, i.e. using contiguous impervious surfaces of spirally or helically wound bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/13—Supported filter elements
- B01D29/15—Supported filter elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
- B01D35/147—Bypass or safety valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/02—Precoating the filter medium; Addition of filter aids to the liquid being filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Prostheses (AREA)
Abstract
595,891. Filters. PATERSON ENGINEERING CO., Ltd., and BAILY, E. W. July 20, 1945, No. 18682. [Class 46] [Also in Group VI] In a filter in which the filtering medium consists of silicious earth, kieselguhr or like material deposited from suspension on to a pervious support, the liquid after passing through the filter bed is directed towards the base of the filter element and then passes upwardly through an inner tube before reaching the outlet. As shown in Fig. 1, a casing a with a filter head b contains a filter element comprising a fluted former k wound with wire k<SP>3</SP> as described in Specification 524,385. The liquid to be filtered enters through an opening c and after stirring up the filter material at the bottom of the casing carries it in suspension and deposits it as a coating n. The filter element has end caps k<SP>1</SP>, k<SP>2</SP>, the lower cap permitting the filtrate to enter the lower end of a central tube m which communicates with an outlet siphon tube g. Silver-coated sand m<SP>1</SP> for sterilizing the liquid may be provided between the tube m and the former k. When the flow of liquid stops most of the liquid can be siphoned out of the casing, if a valve f is opened to permit entry of atmospheric or compressed air. The valve f may be replaced by a valve which opens automatically when the flow through the filter stops. The filter head b is provided with a valve h controlling a supply of backflushing liquid or compressed air which can be used to remove the deposited bed from the wire coil k<SP>3</SP>. A valve r co-operating with a valve seat s may be provided to prevent flow of liquid through the filter if the pressure is less than that due to the head of liquid in the tube m. In the construction shown in Fig. 3, the central tube is filled with silver-coated sand m<SP>1 </SP>for sterilizing the liquid. Specification 526,221 is referred to in the Provisional Specification.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB595891A true GB595891A (en) | 1947-12-19 |
Family
ID=1734112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB18682/45A Expired GB595891A (en) | 1945-07-20 | Improvements in filters |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB595891A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005493B (en) * | 1955-01-26 | 1957-04-04 | Paterson Engineering Company L | Liquid filter with filter bodies arranged in a chamber |
| GB2165832A (en) * | 1984-10-23 | 1986-04-23 | Tovarne Strojarskej Tech | Device for continuous conservation of cutting liquids |
-
1945
- 1945-07-20 GB GB18682/45A patent/GB595891A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005493B (en) * | 1955-01-26 | 1957-04-04 | Paterson Engineering Company L | Liquid filter with filter bodies arranged in a chamber |
| GB2165832A (en) * | 1984-10-23 | 1986-04-23 | Tovarne Strojarskej Tech | Device for continuous conservation of cutting liquids |
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