JPS5434480U - - Google Patents

Info

Publication number: JPS5434480U
Authority: JP; Japan
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.): Granted

Application number

JP1977107841U

Other versions

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.)

1977-08-12

Filing date

1977-08-12

Publication date

1979-03-06

1977-08-12 Application filed filed Critical

1977-08-12 Priority to JP1977107841U priority Critical patent/JPS5635219Y2/ja

1978-08-07 Priority to US05/931,429 priority patent/US4214992A/en

1978-08-09 Priority to DE19782834770 priority patent/DE2834770A1/de

1978-08-11 Priority to GB7833093A priority patent/GB2002251B/en

1979-03-06 Publication of JPS5434480U publication Critical patent/JPS5434480U/ja

1981-08-19 Application granted granted Critical

1981-08-19 Publication of JPS5635219Y2 publication Critical patent/JPS5635219Y2/ja

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Biological Treatment Of Waste Water (AREA)
Filtration Of Liquid (AREA)

JP1977107841U 1977-08-12 1977-08-12 Expired JPS5635219Y2 (ja)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP1977107841U JPS5635219Y2 (ja)	1977-08-12	1977-08-12
US05/931,429 US4214992A (en)	1977-08-12	1978-08-07	Water collecting and distributing apparatus disposed in a lower portion of high speed filter basin
DE19782834770 DE2834770A1 (de)	1977-08-12	1978-08-09	Vorrichtung zum sammeln und verteilen von wasser und deren verwendung
GB7833093A GB2002251B (en)	1977-08-12	1978-08-11	Duct and apparatus including ducts

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP1977107841U JPS5635219Y2 (ja)	1977-08-12	1977-08-12

Publications (2)

Publication Number	Publication Date
JPS5434480U true JPS5434480U (ja)	1979-03-06
JPS5635219Y2 JPS5635219Y2 (ja)	1981-08-19

Family

ID=14469401

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP1977107841U Expired JPS5635219Y2 (ja)	1977-08-12	1977-08-12

Country Status (4)

Country	Link
US (1)	US4214992A (ja)
JP (1)	JPS5635219Y2 (ja)
DE (1)	DE2834770A1 (ja)
GB (1)	GB2002251B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04863U (ja) *	1990-04-02	1992-01-07
JP2013198833A (ja) *	2012-03-23	2013-10-03	Swing Corp	水の生物処理装置
JP2021079365A (ja) *	2019-11-20	2021-05-27	南京大学	モジュール化フィルターの水と空気分配装置およびそのシステムならびに適用方法

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4619765A (en) *	1984-10-10	1986-10-28	Roberts Filter Manufacturing Company	Filter bottom construction
US4707257A (en) *	1986-05-29	1987-11-17	The Graver Company	Air/water distributor underdrain
GB8808133D0 (en) *	1988-04-07	1988-05-11	Paterson Candy Int	Granular media filters
GB2227542B (en) *	1989-01-26	1992-09-09	British Gas Plc	Flue pipe and flue
GB8910819D0 (en) *	1989-05-11	1989-06-28	Izatt James P	A portable watering and drainage system
US5019259A (en) *	1989-06-15	1991-05-28	Hambley John B	Filter underdrain apparatus with partitioned distributor conduits
US5160613A (en) *	1990-05-03	1992-11-03	Unifilt Corporation	Purification underdrain with compensating chamber and baffle isolating backwash gas from backwash water
US5068034A (en) *	1990-05-03	1991-11-26	Unilift Corporation	Purification underdrain with means to compensate for flow and pressure differences between laterals
US5176827A (en) *	1990-05-03	1993-01-05	Unifilt Corporation	Filter underdrain with means to increase gas flow during simultaneous gas/liquid backwashing
US5108627A (en) *	1991-02-01	1992-04-28	F.B. Leopold Company, Inc.	Filter underdrain block
US5149427A (en) *	1991-04-03	1992-09-22	The F.B. Leopold Company, Inc.	Cap for underdrains in gravity filters
US5089147A (en) *	1991-05-01	1992-02-18	Zimpro Passavant Environmental Systems, Inc.	Underdrain for granular medium filter
US5156738A (en) *	1991-06-21	1992-10-20	Johnson Filtration Systems Inc.	Apparatus for uniformly distributing gas and/or liquid in an underdrain lateral system
US5087362A (en) *	1991-07-26	1992-02-11	F.B. Leopold Company, Inc.	Flume distribution system with removable block
US5332497A (en) *	1991-10-25	1994-07-26	Baker Hughes Incorporated	Nozzleless underdrain for granular filtration system
US5160614A (en) *	1992-02-25	1992-11-03	The F.B. Leopold Company, Inc.	Air duct block for air/water underdrain systems in gravity filters
US5328608A (en) *	1992-05-27	1994-07-12	The F.B. Leopold Co., Inc.	Mutli-lateral filter underdrain block
JPH06170117A (ja) *	1992-08-05	1994-06-21	Peter J Neuspiel	濾過装置用下部集水モジュール及び濾過装置用下部集水システム
US5489388A (en) *	1994-04-12	1996-02-06	The F. B. Leopold Co., Inc.	Apparatus and method for improving gas backwash in lateral underdrains
US6110366A (en) *	1999-05-13	2000-08-29	Tetra Process Technologies	Anchor for an underdrain block
CA2389155A1 (en) *	2001-06-06	2002-12-06	United States Filter Corporation	Filter media retaining cap and hold down grid
US6991726B2 (en) *	2002-07-01	2006-01-31	Usfilter Corporation	Filter having a media retaining plate
US6830684B2 (en) *	2002-07-10	2004-12-14	U.S. Filter Corporation	Integrated liquid and gas distribution device for underdrain block laterals
US8070946B2 (en) *	2007-09-14	2011-12-06	Rg Delaware, Inc.	Underdrain for a filter system for filtering water or wastewater and a method of washing the filter system
US8333889B2 (en) *	2009-05-29	2012-12-18	Rg Delaware, Inc.	Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof
US9072989B2 (en)	2012-05-21	2015-07-07	Roberts Marketing De, Inc.	Underdrain for a filter system for filtering water or wastewater
US10143944B2 (en)	2016-05-04	2018-12-04	Ovivo Inc.	Filter underdrain with internal air scour laterals
US12246271B2 (en) *	2023-04-04	2025-03-11	De Nora Water Technologies, LLC	Media retention plate for a block underdrain system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3110667A (en) *	1959-10-16	1963-11-12	Leopold Co Inc F B	Filter bottom
JPS5235441A (en) *	1975-09-08	1977-03-18	Sybron Corp	Fluid distributing device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US801810A (en) *	1904-12-01	1905-10-10	Charles Lester Parmelee	Filter.
CH202235A (de) *	1936-11-30	1939-01-15	Ozongesellschaft M B H	Flüssigkeitsfilter.
GB695751A (en) *	1949-07-27	1953-08-19	Bamag Meguin Ag Zweigniederlas	Improved filtering plant capable of being back flushed with a mixture of gas and liquid
US3468422A (en) *	1967-02-03	1969-09-23	Chicago Bridge & Iron Co	Ceramic filter bottom directly supporting media
US3925202A (en) *	1974-04-25	1975-12-09	Hydromation Filter Co	Method of and apparatus for filtering water
US4065391A (en) *	1975-09-08	1977-12-27	Sybron Corporation	Fluid distributor

1977
- 1977-08-12 JP JP1977107841U patent/JPS5635219Y2/ja not_active Expired
1978
- 1978-08-07 US US05/931,429 patent/US4214992A/en not_active Expired - Lifetime
- 1978-08-09 DE DE19782834770 patent/DE2834770A1/de not_active Withdrawn
- 1978-08-11 GB GB7833093A patent/GB2002251B/en not_active Expired

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3110667A (en) *	1959-10-16	1963-11-12	Leopold Co Inc F B	Filter bottom
JPS5235441A (en) *	1975-09-08	1977-03-18	Sybron Corp	Fluid distributing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH04863U (ja) *	1990-04-02	1992-01-07
JP2013198833A (ja) *	2012-03-23	2013-10-03	Swing Corp	水の生物処理装置
JP2021079365A (ja) *	2019-11-20	2021-05-27	南京大学	モジュール化フィルターの水と空気分配装置およびそのシステムならびに適用方法

Also Published As

Publication number	Publication date
DE2834770A1 (de)	1979-02-22
JPS5635219Y2 (ja)	1981-08-19
GB2002251A (en)	1979-02-21
GB2002251B (en)	1982-02-17
US4214992A (en)	1980-07-29

Publication	Publication Date	Title
FR2377868B1 (ja)	1983-02-04
JPS5635219Y2 (ja)	1981-08-19
FR2376186B1 (ja)	1980-08-22
DK140079C (ja)	1979-11-12
FR2377241B1 (ja)	1983-07-18
FR2377425B1 (ja)	1981-01-09
FR2377226B1 (ja)	1982-03-19
FR2376968B1 (ja)	1982-06-25
FR2377530B1 (ja)	1981-06-19
DE2733852C3 (ja)	1980-10-09
FR2377130B3 (ja)	1980-06-20
BG25847A1 (ja)	1979-01-12
BG25837A1 (ja)	1979-01-12
BE871991A (ja)	1979-03-01
CH617814GA3 (ja)	1980-06-30
BG26566A1 (ja)	1979-05-15
BG25887A1 (ja)	1979-01-12
BG25860A1 (ja)	1979-01-12
BG25855A1 (ja)	1979-01-12
BG25852A1 (ja)	1979-01-12
BG25851A1 (ja)	1979-01-12
BG25850A1 (ja)	1979-01-12
BG25848A1 (ja)	1979-01-12
BG25853A1 (ja)	1979-01-12
BG25845A1 (ja)	1979-01-12

JPS5434480U - - Google Patents

Info

Links

Classifications

Landscapes

Priority Applications (4)

Applications Claiming Priority (1)

Publications (2)

Family

ID=14469401

Family Applications (1)

Country Status (4)

Cited By (3)

Families Citing this family (28)

Citations (2)

Family Cites Families (6)

Patent Citations (2)

Cited By (3)

Also Published As

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