ZA731812B - Improvements relating to internal combustion engines - Google Patents

Improvements relating to internal combustion engines

Info

Publication number: ZA731812B
Authority: ZA; South Africa
Prior art keywords: internal combustion; combustion engines; improvements relating; relating; engines
Prior art date: 1972-03-30

Application number

ZA731812A

Inventor

F Scholl

Original Assignee

Bosch Gmbh Robert

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.)

1972-03-30

Filing date

1973-03-15

Publication date

1973-12-19

1973-03-15 Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert

1973-12-19 Publication of ZA731812B publication Critical patent/ZA731812B/en

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
- F01N3/20—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 specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- 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
- F01N2250/00—Combinations of different methods of purification
- F01N2250/04—Combinations of different methods of purification afterburning and catalytic conversion
- 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
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/06—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by varying fuel-air ratio, e.g. by enriching fuel-air mixture

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Health & Medical Sciences (AREA)
Toxicology (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Exhaust Gas After Treatment (AREA)
Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

ZA731812A 1972-03-30 1973-03-15 Improvements relating to internal combustion engines ZA731812B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2215533A DE2215533C3 (en)	1972-03-30	1972-03-30	Device for reducing the harmful components in the exhaust gases of an internal combustion engine

Publications (1)

Publication Number	Publication Date
ZA731812B true ZA731812B (en)	1973-12-19

Family

ID=5840619

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA731812A ZA731812B (en)	1972-03-30	1973-03-15	Improvements relating to internal combustion engines

Country Status (19)

Country	Link
US (1)	US3832848A (en)
JP (1)	JPS554208B2 (en)
AR (1)	AR205878A1 (en)
AT (1)	AT323474B (en)
BE (1)	BE797541A (en)
BR (1)	BR7302172D0 (en)
CA (1)	CA1004029A (en)
CH (1)	CH557951A (en)
CS (1)	CS160623B2 (en)
DE (1)	DE2215533C3 (en)
ES (1)	ES413136A1 (en)
FR (1)	FR2178606A5 (en)
GB (1)	GB1429664A (en)
IT (1)	IT981752B (en)
NL (1)	NL7304375A (en)
PL (1)	PL85218B1 (en)
SU (1)	SU826971A3 (en)
TR (1)	TR18184A (en)
ZA (1)	ZA731812B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2235852B2 (en) *	1972-07-21	1975-10-30	Deutsche Vergaser Gmbh & Co Kg, 4040 Neuss	Control device for dimensioning additional air for the exhaust gas afterburner of an internal combustion engine
DE2326718C2 (en) *	1973-05-25	1975-08-28	Deutsche Vergaser Gmbh & Co Kg, 4040 Neuss	Control device for metering an additional amount of air to improve combustion in internal combustion engines or post-combustion of exhaust gases from internal combustion engines
DE2333072A1 (en) *	1973-06-29	1975-01-16	Bosch Gmbh Robert	METHOD OF DETOXING THE EXHAUST GAS
DE2401417C2 (en) *	1974-01-12	1981-10-01	Robert Bosch Gmbh, 7000 Stuttgart	Process for detoxifying the exhaust gases of an internal combustion engine
FR2260751B1 (en) *	1974-02-08	1976-06-25	Peugeot & Renault
US3927524A (en) *	1974-02-22	1975-12-23	Garrett Corp	Engine exhaust reactor air flow ratio control method and apparatus
DE2422938C2 (en) *	1974-05-11	1982-07-08	Robert Bosch Gmbh, 7000 Stuttgart	Switching device for the controlled addition of additional air to the exhaust gas of an internal combustion engine
JPS5166934A (en) *	1974-12-06	1976-06-10	Nissan Motor	Nainenkikanno kunenhiseigyosochi
JPS51123428A (en) *	1975-04-21	1976-10-28	Nissan Motor Co Ltd	Exhaust gas purifier
US3986352A (en) *	1975-05-08	1976-10-19	General Motors Corporation	Closed loop fuel control using air injection in open loop modes
JPS52106720U (en) *	1976-02-10	1977-08-13
JPS52139820A (en) *	1976-05-18	1977-11-22	Toyota Motor Corp	Exhaust gas purifier for internal combustion engine
JPS5319616U (en) *	1976-07-30	1978-02-20
JPS5392031A (en) *	1977-01-21	1978-08-12	Nissan Motor Co Ltd	Sulphate inhibiting device for internal combustion engine
SE416760B (en) *	1977-08-23	1981-02-02	Volvo Ab	SET FOR DETERMINATION OR CONTROL OF THE PROPERTIES OF A CATALYST AND AND OR THE PROCEDURE OF THE CATALYST RESPONSE
JPS566053A (en) *	1979-06-27	1981-01-22	Hitachi Ltd	Air fuel ratio controller used for engine with reactor
JPS5698542A (en) *	1980-01-08	1981-08-08	Toyota Motor Corp	Air-fuel ratio controlling system for engine
JPS56118536A (en) *	1980-02-22	1981-09-17	Toyota Motor Corp	Air fuel ratio controller for engine
DE3832790C2 (en) *	1988-09-27	1997-12-11	Pattas Konstantin N	Method and device for regenerating a soot filter
KR950012137B1 (en) *	1989-02-02	1995-10-14	닛뽄 쇼크바이 카가꾸 고오교오 가부시기가이샤	Method of removing nitrogen oxides in exhaust gases from a diesel engine
DE3926516A1 (en) *	1989-08-10	1991-02-14	Oberland Mangold Gmbh	CONTROL CIRCUIT FOR INFLUENCING THE EXHAUST GAS COMPOSITION OF AN INTERNAL COMBUSTION ENGINE
CA2026300C (en) *	1989-10-23	1996-07-16	Monika Engel-Bader	Catalyst system for producing polyethylene terephthalate from a lower dialkyl ester of a dicarboxylic acid and a glycol
DE4120891A1 (en) *	1991-06-25	1993-01-07	Bayerische Motoren Werke Ag	Combustion engine pumping fresh air into exhaust system - is checked for correct exhaust treatment function by direct or indirect measurement of pump power consumption
JP2601072B2 (en) *	1991-09-20	1997-04-16	株式会社日立製作所	Internal combustion engine, operating method thereof, and automobile
DE4225361A1 (en) *	1992-07-31	1994-02-03	Audi Ag	Functional testing of secondary air admission into IC engine exhaust - involves measuring lambda value of exhaust gases by sensor supplying electronic control unit for secondary air pump and valve
US5822976A (en) *	1995-04-05	1998-10-20	Ford Global Technologies, Inc.	Method and system for controlling the amount of secondary air introduced into an internal combustion engine
DE10329522B4 (en) *	2003-06-30	2006-02-16	Daimlerchrysler Ag	Method for determining the amount of a secondary air injection
DE102007008577B3 (en) *	2007-02-16	2008-10-23	Audi Ag	Method and device for generating ammonia for the exhaust gas treatment in internal combustion engines in a motor vehicle
DE102011117736A1 (en) *	2011-11-07	2013-05-08	Honeywell Technologies Sarl	Method for operating a gas burner

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2244669A (en) *	1936-08-01	1941-06-10	Askania Werke Ag	Control device for the fuel feed of internal combustion engines
US3032969A (en) *	1961-08-28	1962-05-08	Llewellyn T Barnes	Venturi degassing attachment
AT257213B (en) *	1963-09-12	1967-09-25	Bosch Gmbh Robert	Measuring head for electrical measuring devices for determining the unburned exhaust gas components from internal combustion engines
US3406515A (en) *	1964-01-02	1968-10-22	Texaco Inc	Internal combustion engine system for exhaust emissions control
US3464801A (en) *	1964-09-28	1969-09-02	Tenex Corp The	Catalytic system for inert gas generation
US3441381A (en) *	1965-06-22	1969-04-29	Engelhard Ind Inc	Apparatus for purifying exhaust gases of an internal combustion engine
US3738341A (en) *	1969-03-22	1973-06-12	Philips Corp	Device for controlling the air-fuel ratio {80 {11 in a combustion engine
US3616274A (en) *	1969-11-24	1971-10-26	Gen Motors Corp	Method and apparatus for monitoring exhaust gas
US3730157A (en) *	1970-05-25	1973-05-01	Universal Oil Prod Co	Carburetor control system and method for regulating air to fuel ratio
US3683625A (en) *	1970-05-25	1972-08-15	Edward J Mccrink	Smog reducer
US3696618A (en) *	1971-04-19	1972-10-10	Universal Oil Prod Co	Control system for an engine system
US3768259A (en) *	1971-07-06	1973-10-30	Universal Oil Prod Co	Control for an engine system

1972
- 1972-03-30 DE DE2215533A patent/DE2215533C3/en not_active Expired
- 1972-07-12 US US00271009A patent/US3832848A/en not_active Expired - Lifetime
1973
- 1973-01-01 AR AR247293A patent/AR205878A1/en active
- 1973-03-13 CS CS1831A patent/CS160623B2/cs unknown
- 1973-03-15 ZA ZA731812A patent/ZA731812B/en unknown
- 1973-03-15 FR FR7309231A patent/FR2178606A5/fr not_active Expired
- 1973-03-16 CH CH387073A patent/CH557951A/en not_active IP Right Cessation
- 1973-03-17 TR TR18184A patent/TR18184A/en unknown
- 1973-03-27 BR BR732172A patent/BR7302172D0/en unknown
- 1973-03-28 AT AT272573A patent/AT323474B/en active
- 1973-03-28 PL PL1973161556A patent/PL85218B1/pl unknown
- 1973-03-29 IT IT22333/73A patent/IT981752B/en active
- 1973-03-29 CA CA167,510A patent/CA1004029A/en not_active Expired
- 1973-03-29 BE BE129451A patent/BE797541A/en unknown
- 1973-03-29 JP JP3612873A patent/JPS554208B2/ja not_active Expired
- 1973-03-29 NL NL7304375A patent/NL7304375A/xx unknown
- 1973-03-29 GB GB1506373A patent/GB1429664A/en not_active Expired
- 1973-03-29 ES ES413136A patent/ES413136A1/en not_active Expired
- 1973-03-30 SU SU731900046A patent/SU826971A3/en active

Also Published As

Publication number	Publication date
AT323474B (en)	1975-07-10
ES413136A1 (en)	1976-01-16
JPS4913515A (en)	1974-02-06
FR2178606A5 (en)	1973-11-09
US3832848A (en)	1974-09-03
AR205878A1 (en)	1976-06-15
JPS554208B2 (en)	1980-01-29
CH557951A (en)	1975-01-15
SU826971A3 (en)	1981-04-30
BE797541A (en)	1973-07-16
CA1004029A (en)	1977-01-25
TR18184A (en)	1978-02-26
GB1429664A (en)	1976-03-24
DE2215533C3 (en)	1979-11-22
PL85218B1 (en)	1976-04-30
DE2215533A1 (en)	1973-10-11
DE2215533B2 (en)	1979-03-29
BR7302172D0 (en)	1974-06-27
IT981752B (en)	1974-10-10
NL7304375A (en)	1973-10-02
CS160623B2 (en)	1975-03-28

Publication	Publication Date	Title
AU464692B2 (en)	1975-09-04	Improvements relating to internal combustion engines
ZA731812B (en)	1973-12-19	Improvements relating to internal combustion engines
AU462661B2 (en)	1975-07-03	Improvements relating to internal combustion engines
IL43155A0 (en)	1973-11-28	Internal combustion engine
KR780000180B1 (en)	1978-05-13	Reciprocating internal combustion engine
JPS5279115A (en)	1977-07-04	Internal combustion piston engine
ZA74544B (en)	1974-11-27	Internal combustion engine
CS194215B2 (en)	1979-11-30	Internal combustion engine
CS180618B2 (en)	1978-01-31	Internal combustion engine
IL41327A (en)	1975-03-13	Internal combustion engine
IL41890A0 (en)	1973-11-28	Supercharged internal combustion engines
AU5175373A (en)	1974-08-08	Internal combustion engines
AU7450074A (en)	1976-04-29	Internal combustion engine
AU468817B2 (en)	1976-01-22	Improvements in or relating to devices for internal combustion engines
AU5177273A (en)	1974-08-08	Improvements in or relating to internal combustion engines
ZA726330B (en)	1973-05-30	Internal combustion engines
IL41922A0 (en)	1973-06-29	Supercharged internal combustion engines
AU6513074A (en)	1975-08-07	Internal combustion engine
ZA738079B (en)	1974-09-25	Internal combustion engines
AU6512874A (en)	1975-08-07	Internal combustion engines
AU6958174A (en)	1975-12-04	Internal combustion engines
AU5152973A (en)	1974-08-01	Improvements relating to internal combustion engines
IL49841A0 (en)	1976-08-31	Internal combustion engine
AU7447674A (en)	1976-04-29	Internal combustion engine
AU4087072A (en)	1973-10-11	Internal combustion engines