GB9115104D0 - Non-return valve for a gas line - Google Patents

Non-return valve for a gas line

Info

Publication number
GB9115104D0
GB9115104D0 GB919115104A GB9115104A GB9115104D0 GB 9115104 D0 GB9115104 D0 GB 9115104D0 GB 919115104 A GB919115104 A GB 919115104A GB 9115104 A GB9115104 A GB 9115104A GB 9115104 D0 GB9115104 D0 GB 9115104D0
Authority
GB
United Kingdom
Prior art keywords
return valve
gas line
return
valve
gas
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.)
Granted
Application number
GB919115104A
Other versions
GB2246842A (en
GB2246842B (en
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 GB9115104D0 publication Critical patent/GB9115104D0/en
Publication of GB2246842A publication Critical patent/GB2246842A/en
Application granted granted Critical
Publication of GB2246842B publication Critical patent/GB2246842B/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
GB9115104A 1990-08-09 1991-07-12 An exhaust gas air supply system Expired - Fee Related GB2246842B (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 (3)

Publication Number Publication Date
GB9115104D0 true GB9115104D0 (en) 1991-08-28
GB2246842A GB2246842A (en) 1992-02-12
GB2246842B GB2246842B (en) 1994-11-30

Family

ID=6411943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9115104A Expired - Fee Related GB2246842B (en) 1990-08-09 1991-07-12 An exhaust gas air supply system

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324540A (en) * 2020-09-28 2021-02-05 秦克红 Cylinder SCR catalytic converter

Families Citing this family (6)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112324540A (en) * 2020-09-28 2021-02-05 秦克红 Cylinder SCR catalytic converter

Also Published As

Publication number Publication date
ITRM910460A1 (en) 1992-12-25
DE4025267C2 (en) 2000-06-08
DE4025267A1 (en) 1992-02-13
FR2665743B1 (en) 1994-01-28
GB2246842A (en) 1992-02-12
IT1248351B (en) 1995-01-05
GB2246842B (en) 1994-11-30
FR2665743A1 (en) 1992-02-14
ITRM910460A0 (en) 1991-06-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20070712