IT1073958B - IMPROVEMENT IN DEVICES AND PROCEDURE FOR THE REDUCTION OF HARMFUL EMISSIONS FROM INTERNAL COMBUSTION ENGINES - Google Patents

IMPROVEMENT IN DEVICES AND PROCEDURE FOR THE REDUCTION OF HARMFUL EMISSIONS FROM INTERNAL COMBUSTION ENGINES

Info

Publication number
IT1073958B
IT1073958B IT49424/76A IT4942476A IT1073958B IT 1073958 B IT1073958 B IT 1073958B IT 49424/76 A IT49424/76 A IT 49424/76A IT 4942476 A IT4942476 A IT 4942476A IT 1073958 B IT1073958 B IT 1073958B
Authority
IT
Italy
Prior art keywords
improvement
procedure
reduction
devices
internal combustion
Prior art date
Application number
IT49424/76A
Other languages
Italian (it)
Original Assignee
Pierburg Autogeraetebau Kg
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 Autogeraetebau Kg filed Critical Pierburg Autogeraetebau Kg
Application granted granted Critical
Publication of IT1073958B publication Critical patent/IT1073958B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B47/00—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
    • F02B47/04—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only
    • F02B47/08—Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines the substances being other than water or steam only the substances including exhaust gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/56—Systems for actuating EGR valves using vacuum actuators having pressure modulation valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/55—Systems for actuating EGR valves using vacuum actuators
    • F02M26/58—Constructional details of the actuator; Mounting thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/66—Lift valves, e.g. poppet valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
IT49424/76A 1975-06-27 1976-05-11 IMPROVEMENT IN DEVICES AND PROCEDURE FOR THE REDUCTION OF HARMFUL EMISSIONS FROM INTERNAL COMBUSTION ENGINES IT1073958B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2528760A DE2528760C3 (en) 1975-06-27 1975-06-27 Control device for the recirculation of exhaust gas

Publications (1)

Publication Number Publication Date
IT1073958B true IT1073958B (en) 1985-04-17

Family

ID=5950120

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49424/76A IT1073958B (en) 1975-06-27 1976-05-11 IMPROVEMENT IN DEVICES AND PROCEDURE FOR THE REDUCTION OF HARMFUL EMISSIONS FROM INTERNAL COMBUSTION ENGINES

Country Status (4)

Country Link
DE (1) DE2528760C3 (en)
FR (1) FR2317495A1 (en)
GB (1) GB1545848A (en)
IT (1) IT1073958B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2725194C2 (en) * 1977-06-03 1982-07-15 Mitsubishi Jidosha Kogyo K.K., Tokyo Pneumatic control device for an internal combustion engine
US4150649A (en) * 1977-12-27 1979-04-24 Ford Motor Company Load responsive EGR valve
DE3047036C2 (en) * 1980-12-13 1983-01-20 Pierburg Gmbh & Co Kg, 4040 Neuss EGR control valve
DE3305678A1 (en) * 1983-02-18 1984-08-23 Mannesmann Rexroth GmbH, 8770 Lohr Arrangement for triggering an exhaust gas return valve
DE3935093A1 (en) * 1989-10-21 1991-04-25 Daimler Benz Ag EXHAUST GAS RECIRCULATION DEVICE FOR A COMBUSTION ENGINE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802402A (en) * 1972-03-30 1974-04-09 P Swatman Internal combustion engines
CA972642A (en) * 1972-04-17 1975-08-12 William L. Kingsbury Exhaust gas recirculation control valve
JPS5237536B2 (en) * 1972-08-31 1977-09-22
IT996383B (en) * 1973-05-10 1975-12-10 Pierburg Kg A CONTROL DEVICE FOR THE RETURN OF EXHAUST GAS IN THE INTAKE PIPES OF AN INTERNAL COMBUSTION ENGINE
US3880129A (en) * 1973-10-31 1975-04-29 Gen Motors Corp Pressure transducer and exhaust gas recirculation control valve using same

Also Published As

Publication number Publication date
FR2317495A1 (en) 1977-02-04
FR2317495B1 (en) 1982-12-10
DE2528760C3 (en) 1980-12-11
DE2528760B2 (en) 1980-04-10
DE2528760A1 (en) 1976-12-30
GB1545848A (en) 1979-05-16

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