IT1094779B - TWO STAGE AIR PURIFIER - Google Patents

TWO STAGE AIR PURIFIER

Info

Publication number: IT1094779B
Authority: IT; Italy
Prior art keywords: air purifier; stage air; stage; purifier; air
Prior art date: 1977-05-25

Application number

IT23632/78A

Other languages

Italian (it)

Other versions

IT7823632A0 (en

Original Assignee

Donaldson Co Inc

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.)

1977-05-25

Filing date

1978-05-19

Publication date

1985-08-02

1977-05-25 Priority claimed from US05/800,192 external-priority patent/US4135899A/en

1978-05-19 Application filed by Donaldson Co Inc filed Critical Donaldson Co Inc

1978-05-19 Publication of IT7823632A0 publication Critical patent/IT7823632A0/en

1985-08-02 Application granted granted Critical

1985-08-02 Publication of IT1094779B publication Critical patent/IT1094779B/en

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
- B01D46/2414—End caps including additional functions or special forms
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0004—Details of removable closures, lids, caps or filter heads
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
- B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2265/00—Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2265/02—Non-permanent measures for connecting different parts of the filter
- B01D2265/028—Snap, latch or clip connecting means
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2271/02—Gaskets, sealings
- B01D2271/022—Axial sealings

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Physics & Mathematics (AREA)
Geometry (AREA)
Filtering Of Dispersed Particles In Gases (AREA)

IT23632/78A 1977-05-25 1978-05-19 TWO STAGE AIR PURIFIER IT1094779B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US80023277A	1977-05-25	1977-05-25
US05/800,192 US4135899A (en)	1977-05-25	1977-05-25	Safety filter for air cleaner

Publications (2)

Publication Number	Publication Date
IT7823632A0 IT7823632A0 (en)	1978-05-19
IT1094779B true IT1094779B (en)	1985-08-02

Family

ID=27122201

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT23632/78A IT1094779B (en)	1977-05-25	1978-05-19	TWO STAGE AIR PURIFIER

Country Status (11)

Country	Link
JP (2)	JPS5747054Y2 (en)
AR (1)	AR214922A1 (en)
AU (1)	AU509602B2 (en)
BR (1)	BR7803131A (en)
CA (1)	CA1118369A (en)
DE (2)	DE7813315U1 (en)
ES (1)	ES470146A1 (en)
FR (1)	FR2391761A1 (en)
GB (1)	GB1602399A (en)
IT (1)	IT1094779B (en)
SE (1)	SE421673B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4211543A (en) *	1978-04-24	1980-07-08	Donaldson Company, Inc.	Air cleaner with replaceable filter element
HU183245B (en) *	1980-11-11	1984-04-28	Egyt Gyogyszervegyeszeti Gyar	Apparatus for separating solide particles, first of all for high operational safety
JPS6229053Y2 (en) *	1984-10-16	1987-07-25
US4720292B1 (en) *	1986-07-14	1991-09-10		Cylindrical air filter with lightweight housing and radially directed seal
US4950317A (en) *	1989-01-09	1990-08-21	Donaldson Company, Inc.	Air filter assembly and method of putting filter element in same
DE4211752C2 (en) *	1992-04-08	2001-02-22	Mahle Filtersysteme Gmbh	Dust filter for continuous vertical operation
DE4241586C1 (en) *	1992-12-10	1994-01-27	Mann & Hummel Filter	Air filter
EP0732423B1 (en)	1994-10-04	2001-06-20	Sumitomo Electric Industries, Ltd	Coated hard alloy
DE102004028016A1 (en) *	2004-06-08	2005-12-29	Bayerische Motoren Werke Ag	Air filter, for a vehicle motor air intake, has a second active carbon filter at the clean air side of the replaceable first filter and within its space welded to the clean air funnel
US8273143B2 (en)	2006-10-06	2012-09-25	Donaldson Company, Inc.	Air cleaner, replaceable filter cartridges, and methods
DE102010041552A1 (en) *	2010-09-28	2012-03-29	Dürr Systems GmbH	Filter device for separating paint overspray
US8997450B2 (en)	2010-11-22	2015-04-07	Bha Altair, Llc	Filter cartridge assembly for use with turbine engine systems
DE102011005942A1 (en) *	2011-03-23	2012-09-27	Mahle International Gmbh	Filter element for filter device to remove liquid or solid contaminants from gaseous or liquid fluid flow, has inflow protection, which is integrally formed on respective end plate
US20130315713A1 (en) *	2012-05-22	2013-11-28	General Electric Company	Device for filtering fluid in a power generating system
DE102016004315A1 (en)	2016-04-12	2017-10-12	Mann + Hummel Gmbh	A filter assembly
US9861922B1 (en) *	2016-10-14	2018-01-09	Holley Performance Products, Inc.	Mating interface between air intake housing and air filter
DE102017007498A1 (en) *	2017-08-08	2019-02-14	Daimler Ag	Filter element for an air filter of a motor vehicle and air filter
DE102018000544A1 (en) *	2018-01-24	2019-07-25	Mann+Hummel Gmbh	Filter device, in particular for gas filtration
IT201900011187A1 (en) *	2019-07-08	2021-01-08	Officine Metallurgiche G Cornaglia Spa	Air filter for endothermic engines equipped with safety cartridge
IT201900011190A1 (en) *	2019-07-08	2021-01-08	Officine Metallurgiche G Cornaglia Spa	Air filter for endothermic engines equipped with interchangeable cartridge

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR885055A (en) *	1941-01-07	1943-09-03	Neyret Beylier Et Piccard Pict	Safety gas filter
DE916617C (en) *	1946-12-12	1954-08-12	Linderoths Patenter Ab	Device for separating solid components contained in a gas stream
FR1203124A (en) *	1958-07-22	1960-01-15	Stenkrec Pere & Fils	Air filter improvements
FR86679E (en) *	1963-12-05	1966-03-25	R Proust Ets	Fluid filter
DE1757484A1 (en) *	1967-08-10	1970-10-01	United Filtration Corp	air cleaner
FR1563990A (en) *	1968-03-05	1969-04-18
US3672130A (en) *	1970-04-02	1972-06-27	Donaldson Co Inc	Retention means for air cleaner element
JPS481905U (en) *	1971-05-25	1973-01-11
FR2235608A7 (en) *	1973-06-09	1975-01-24	Mann & Hummel Filter	Air filter for I.C. engine compressor etc. - air flows radially inwards through cylindrical filters held on central rod
JPS5416859Y2 (en) *	1974-12-21	1979-06-30

1978
- 1978-04-26 AR AR271905A patent/AR214922A1/en active
- 1978-05-02 AU AU35653/78A patent/AU509602B2/en not_active Expired
- 1978-05-02 DE DE7813315U patent/DE7813315U1/en not_active Expired
- 1978-05-02 DE DE2819198A patent/DE2819198C2/en not_active Expired
- 1978-05-09 SE SE7805286A patent/SE421673B/en unknown
- 1978-05-18 BR BR7803131A patent/BR7803131A/en unknown
- 1978-05-19 IT IT23632/78A patent/IT1094779B/en active
- 1978-05-23 CA CA000303889A patent/CA1118369A/en not_active Expired
- 1978-05-24 GB GB21997/78A patent/GB1602399A/en not_active Expired
- 1978-05-24 ES ES470146A patent/ES470146A1/en not_active Expired
- 1978-05-24 FR FR7815397A patent/FR2391761A1/en active Granted
- 1978-05-25 JP JP1978069808U patent/JPS5747054Y2/ja not_active Expired
- 1978-05-25 JP JP53061748A patent/JPS592531B2/en not_active Expired

Also Published As

Publication number	Publication date
DE7813315U1 (en)	1978-09-14
FR2391761A1 (en)	1978-12-22
SE421673B (en)	1982-01-25
AR214922A1 (en)	1979-08-15
AU509602B2 (en)	1980-05-15
DE2819198A1 (en)	1978-11-30
IT7823632A0 (en)	1978-05-19
FR2391761B1 (en)	1982-02-19
ES470146A1 (en)	1979-09-16
SE7805286L (en)	1978-11-26
JPS5747054Y2 (en)	1982-10-16
AU3565378A (en)	1979-11-08
JPS5434182A (en)	1979-03-13
BR7803131A (en)	1979-01-02
JPS546684U (en)	1979-01-17
GB1602399A (en)	1981-11-11
CA1118369A (en)	1982-02-16
DE2819198C2 (en)	1984-08-23
JPS592531B2 (en)	1984-01-19

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970528

Publication	Publication Date	Title
IT1094779B (en)	1985-08-02	TWO STAGE AIR PURIFIER
IT1112648B (en)	1986-01-20	REGENERATION TYPE AIR PURIFIER
IT1119427B (en)	1986-03-10	SIMPLIFIED AIR CONDITIONER
IT1099620B (en)	1985-09-18	AIR CONDITIONER
AR214751A1 (en)	1979-07-31	A SURGICAL FASTENER INSTRUMENT
IT1160615B (en)	1987-03-11	AIR CONDITIONER
FR2413594B1 (en)	1985-09-20	STOPCOCK
IT1098165B (en)	1985-09-07	LAMP UNIT
IT1085754B (en)	1985-05-28	AIR CONDENSER
IT1110233B (en)	1985-12-23	AIR FILTER
IT1123296B (en)	1986-04-30	AIR PURIFICATION FILTER
IT1082709B (en)	1985-05-21	AIR CONDITIONER FOR ENVIRONMENTS
IT1095811B (en)	1985-08-17	AIR BLADE DEVICE WITH ADJUSTABLE LIP
IT1084251B (en)	1985-05-25	SLOW DIFFUSION AIR COOLERS
BR7705797A (en)	1978-05-30	AIR PURIFIER
IT1098496B (en)	1985-09-07	AIR REGULATION VALVE
IT1106811B (en)	1985-11-18	AIR MOVEMENT MECHANISM
IT1101113B (en)	1985-09-28	TIRE WITHOUT AIR CHAMBER
IT1110675B (en)	1985-12-23	STRUCTURE FOR AIR INSUFFLATION
DK184978A (en)	1978-11-12	VENTILATOR IN THE FORM OF A SPLIT VALVE
IT1104971B (en)	1985-10-28	VALVE UNIT
IT1098493B (en)	1985-09-07	AIR REGULATION VALVE
IT1080852B (en)	1985-05-16	AIR HUMIDIFIER
IT1087616B (en)	1985-06-04	AIR MOISTURIZING DEVICE
SE7813047L (en)	1979-07-01	FLOW AIR AIR