GB312944A - A non-choking filter - Google Patents

A non-choking filter

Info

Publication number
GB312944A
GB312944A GB3253927A GB3253927A GB312944A GB 312944 A GB312944 A GB 312944A GB 3253927 A GB3253927 A GB 3253927A GB 3253927 A GB3253927 A GB 3253927A GB 312944 A GB312944 A GB 312944A
Authority
GB
United Kingdom
Prior art keywords
elements
tapering
shows
casing
filter
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
Application number
GB3253927A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to GB3253927A priority Critical patent/GB312944A/en
Publication of GB312944A publication Critical patent/GB312944A/en
Expired legal-status Critical Current

Links

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
    • B01D29/46—Edge filtering elements, i.e. using contiguous impervious surfaces of flat, stacked bodies
    • 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)

Abstract

312,944. Pickard, J. A. Dec. 2, 1927. Strainers comprising grids or gratings; filters with loose filtering-materiel. - A. filter or strainer is built up of non- fibrous. tapering or stepped, plate - like elements, separated to a predetermined minimum so as to present passages with cross-sectional are a decreasing in the direction of flow. Metal elements 4, Fig. 1, tapering at their edges and circular or rectangular in plan, are superposed in a casing 1 about a perforated outlet pipe 3. Liquid entering the casing through a pipe 2 passes inwardly between the elements, which are spaced apart by protuberances 5 or by ribs, formed on one or both surfaces of the elements, or. by spacing washers. Fig. 10 shows a strip element with a spacing ridge 6 and apertures 7 to form the outlet channels. An undulating strip element as shown in Fig. 12 may be used. Fig. 15 shows two elements tapering inwardly, the liquid flowing outwardly from the channel 7. Fig. 16 shows an arrangement in which filter aid 9 is used, the filter aid being keyed in place against and between the elements. According to the first Provisional Specification, scrapers may be provided between the elements and the elements may be of any suitable alloy or of celluloid, ebonite, glass, wood or compressed fibre.
GB3253927A 1927-12-02 1927-12-02 A non-choking filter Expired GB312944A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3253927A GB312944A (en) 1927-12-02 1927-12-02 A non-choking filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3253927A GB312944A (en) 1927-12-02 1927-12-02 A non-choking filter

Publications (1)

Publication Number Publication Date
GB312944A true GB312944A (en) 1929-06-04

Family

ID=10340142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3253927A Expired GB312944A (en) 1927-12-02 1927-12-02 A non-choking filter

Country Status (1)

Country Link
GB (1) GB312944A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220054984A1 (en) * 2020-08-21 2022-02-24 Specialized Desanders Inc. Stacked-plate filters, filter plates, and methods for a stacked-plate filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220054984A1 (en) * 2020-08-21 2022-02-24 Specialized Desanders Inc. Stacked-plate filters, filter plates, and methods for a stacked-plate filter

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