FR2665743B1 - NON-RETURN VALVE FOR A GAS CONDUIT. - Google Patents

NON-RETURN VALVE FOR A GAS CONDUIT.

Info

Publication number
FR2665743B1
FR2665743B1 FR9107585A FR9107585A FR2665743B1 FR 2665743 B1 FR2665743 B1 FR 2665743B1 FR 9107585 A FR9107585 A FR 9107585A FR 9107585 A FR9107585 A FR 9107585A FR 2665743 B1 FR2665743 B1 FR 2665743B1
Authority
FR
France
Prior art keywords
return valve
gas conduit
conduit
gas
return
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 - Fee Related
Application number
FR9107585A
Other languages
French (fr)
Other versions
FR2665743A1 (en
Inventor
Osman Sari
Ernst Kuhlen
Edwin Schauer
Albert Denne
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.)
Pierburg GmbH
Original Assignee
Pierburg GmbH
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 Pierburg GmbH filed Critical Pierburg GmbH
Publication of FR2665743A1 publication Critical patent/FR2665743A1/en
Application granted granted Critical
Publication of FR2665743B1 publication Critical patent/FR2665743B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
FR9107585A 1990-08-09 1991-06-20 NON-RETURN VALVE FOR A GAS CONDUIT. Expired - Fee Related FR2665743B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4025267A DE4025267C2 (en) 1990-08-09 1990-08-09 Check valve for a gas line

Publications (2)

Publication Number Publication Date
FR2665743A1 FR2665743A1 (en) 1992-02-14
FR2665743B1 true FR2665743B1 (en) 1994-01-28

Family

ID=6411943

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9107585A Expired - Fee Related FR2665743B1 (en) 1990-08-09 1991-06-20 NON-RETURN VALVE FOR A GAS CONDUIT.

Country Status (4)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2674288A1 (en) * 1991-03-21 1992-09-25 Borg Warner Automotive Electro SECONDARY AIR CONTROL AND NON-RETURN VALVE.
DE4307798A1 (en) * 1993-03-12 1994-09-15 Bosch Gmbh Robert Combination valve
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 (en) 2007-06-29 2019-07-11 Borgwarner Inc. Valve control device and method of assembly
DE102007031957A1 (en) 2007-07-10 2009-01-22 Pierburg Gmbh Combined non-return and control valve
CN112324540A (en) * 2020-09-28 2021-02-05 秦克红 Cylinder SCR catalytic converter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052423A (en) * 1900-01-01
NO123554B (en) * 1969-03-15 1971-12-06 Anton Husby & Soenner
BE788814A (en) * 1970-08-03 1973-01-02 Mueller Steam Specialty Divn O ADJUSTABLE VALVE
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

Also Published As

Publication number Publication date
GB9115104D0 (en) 1991-08-28
IT1248351B (en) 1995-01-05
ITRM910460A1 (en) 1992-12-25
DE4025267C2 (en) 2000-06-08
FR2665743A1 (en) 1992-02-14
GB2246842A (en) 1992-02-12
DE4025267A1 (en) 1992-02-13
ITRM910460A0 (en) 1991-06-25
GB2246842B (en) 1994-11-30

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Legal Events

Date Code Title Description
CJ Change in legal form
CJ Change in legal form
ST Notification of lapse

Effective date: 20080229