ITRM910460A0 - Valvola di non ritorno per condutture di gas. - Google Patents

Valvola di non ritorno per condutture di gas.

Info

Publication number: ITRM910460A0
Authority: IT; Italy
Prior art keywords: return valve; gas pipelines; pipelines; gas; return
Prior art date: 1990-08-09

Application number

IT91RM460A

Other languages

English (en)

Inventor

Osman Sari

Ernst Kuhlen

Edwin Schauer

Albert Denne

Original Assignee

Pierburg Gmbh

Pierburg

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.)

1990-08-09

Filing date

1991-06-25

Publication date

1991-06-25

1991-06-25 Application filed by Pierburg Gmbh, Pierburg filed Critical Pierburg Gmbh

1991-06-25 Publication of ITRM910460A0 publication Critical patent/ITRM910460A0/it

1992-12-25 Publication of ITRM910460A1 publication Critical patent/ITRM910460A1/it

1995-01-05 Application granted granted Critical

1995-01-05 Publication of IT1248351B publication Critical patent/IT1248351B/it

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
- F01N3/222—Control of additional air supply only, e.g. using by-passes or variable air pump drives using electric valves only
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
- F01N3/22—Control of additional air supply only, e.g. using by-passes or variable air pump drives
- F01N3/227—Control of additional air supply only, e.g. using by-passes or variable air pump drives using pneumatically operated valves, e.g. membrane valves

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Toxicology (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Exhaust Gas After Treatment (AREA)
Magnetically Actuated Valves (AREA)

ITRM910460A 1990-08-09 1991-06-25 Valvola di non ritorno per condutture di gas IT1248351B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE4025267A DE4025267C2 (de)	1990-08-09	1990-08-09	Rückschlagventil für eine Gasleitung

Publications (3)

Publication Number	Publication Date
ITRM910460A0 true ITRM910460A0 (it)	1991-06-25
ITRM910460A1 ITRM910460A1 (it)	1992-12-25
IT1248351B IT1248351B (it)	1995-01-05

Family

ID=6411943

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ITRM910460A IT1248351B (it)	1990-08-09	1991-06-25	Valvola di non ritorno per condutture di gas

Country Status (4)

Country	Link
DE (1)	DE4025267C2 (it)
FR (1)	FR2665743B1 (it)
GB (1)	GB2246842B (it)
IT (1)	IT1248351B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2674288A1 (fr) *	1991-03-21	1992-09-25	Borg Warner Automotive Electro	Soupape de commande et de non-retour d'air secondaire.
DE4307798A1 (de) *	1993-03-12	1994-09-15	Bosch Gmbh Robert	Kombiventil
US5421366A (en) *	1994-06-06	1995-06-06	Borg-Warner Automotive, Inc.	Solenoid operated air control and check valve
US6453667B1 (en)	2000-09-01	2002-09-24	Siemens Automotive Inc.	Air control valve and method for engine exhaust gas treatment
DE102008030503B4 (de)	2007-06-29	2019-07-11	Borgwarner Inc.	Ventil-Steuervorrichtung sowie Verfahren zu Montage
DE102007031957A1 (de)	2007-07-10	2009-01-22	Pierburg Gmbh	Kombiniertes Rückschlag- und Steuerventil
CN112324540A (zh) *	2020-09-28	2021-02-05	秦克红	一种筒式scr催化净化器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1052423A (it) *		1900-01-01
NO123554B (it) *	1969-03-15	1971-12-06	Anton Husby & Soenner
BE788814A (fr) *	1970-08-03	1973-01-02	Mueller Steam Specialty Divn O	Vanne reglable
US3845781A (en) *	1972-03-22	1974-11-05	Refrigerating Specialties Co	Check valve for pulsating flows
US4178953A (en) *	1974-12-23	1979-12-18	Acf Industries, Incorporated	Fail safe bypass valve
US4631923A (en) *	1983-10-21	1986-12-30	Devron Engineering Limited	Solenoid operated check valve

1990
- 1990-08-09 DE DE4025267A patent/DE4025267C2/de not_active Expired - Lifetime
1991
- 1991-06-20 FR FR9107585A patent/FR2665743B1/fr not_active Expired - Fee Related
- 1991-06-25 IT ITRM910460A patent/IT1248351B/it active IP Right Grant
- 1991-07-12 GB GB9115104A patent/GB2246842B/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE4025267C2 (de)	2000-06-08
FR2665743A1 (fr)	1992-02-14
IT1248351B (it)	1995-01-05
ITRM910460A1 (it)	1992-12-25
FR2665743B1 (fr)	1994-01-28
DE4025267A1 (de)	1992-02-13
GB2246842B (en)	1994-11-30
GB9115104D0 (en)	1991-08-28
GB2246842A (en)	1992-02-12

Publication	Publication Date	Title
DE69011310D1 (de)	1994-09-08	Expansionsventil.
NO912476D0 (no)	1991-06-25	Avhendbar avstengningsventil.
DE59105320D1 (de)	1995-06-01	Absperrventileinrichtung.
DE69105087D1 (de)	1994-12-15	Kompressor-Rückschlagventil.
NL194407B (nl)	2001-11-01	Veiligheidsafsluiter.
FR2702536B1 (fr)	1996-01-12	Vanne combinée.
FI920918A0 (fi)	1992-02-28	Foerraods- och dispenseringssystem foer en gas.
DE59300859D1 (de)	1995-12-07	Ventiloberteil.
DE59105944D1 (de)	1995-08-10	Ventil.
ITRM910460A0 (it)	1991-06-25	Valvola di non ritorno per condutture di gas.
FR2672099B1 (fr)	1993-04-09	Vanne.
IT9022175A0 (it)	1990-11-23	Valvola riduttrice di pressione perfezionata per gas
IT1243075B (it)	1994-05-23	Valvola di non ritorno
DE59204564D1 (de)	1996-01-18	Gasdrucklager.
DE69100395D1 (de)	1993-10-28	Ventil.
DE59300382D1 (de)	1995-08-31	Ventilblock.
DE69007066D1 (de)	1994-04-07	Ventil-Vorrichtung.
DE59104623D1 (de)	1995-03-23	Ventilanordnung.
NO911108L (no)	1991-10-21	Ventilkonstruksjon.
DE59202012D1 (de)	1995-06-01	Absperrdichtung.
DE59102240D1 (de)	1994-08-25	Verdichterventil.
DE59103955D1 (de)	1995-02-02	Ventil.
NO912895L (no)	1993-01-25	Stengeventil.
ITRM910461A0 (it)	1991-06-25	Valvola di non ritorno per una conduttura di gas.
MX9102429A (es)	1993-06-01	Valvula obturadora.

Legal Events

Date	Code	Title	Description
1995-01-05	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970530