IT981308B - Valvola per il ritorno dei gas di scarico in macchine a combu stione interna - Google Patents

Valvola per il ritorno dei gas di scarico in macchine a combu stione interna

Info

Publication number
IT981308B
IT981308B IT21481/73A IT2148173A IT981308B IT 981308 B IT981308 B IT 981308B IT 21481/73 A IT21481/73 A IT 21481/73A IT 2148173 A IT2148173 A IT 2148173A IT 981308 B IT981308 B IT 981308B
Authority
IT
Italy
Prior art keywords
return
valve
internal combustion
exhaust gases
combustion machines
Prior art date
Application number
IT21481/73A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Application granted granted Critical
Publication of IT981308B publication Critical patent/IT981308B/it

Links

Classifications

    • 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
    • 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
    • F02M26/52—Systems for actuating EGR valves
    • F02M26/63—Systems for actuating EGR valves the EGR valve being directly controlled by an operator
    • 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
    • F02M26/67—Pintles; Spindles; Springs; Bearings; Sealings; Connections to actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0276—Throttle and EGR-valve operated together
    • 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
    • F02M26/74—Protection from damage, e.g. shielding means

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Lift Valve (AREA)
IT21481/73A 1972-03-13 1973-03-12 Valvola per il ritorno dei gas di scarico in macchine a combu stione interna IT981308B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2212007A DE2212007A1 (de) 1972-03-13 1972-03-13 Ventil zur abgasrueckfuehrung bei brennkraftmaschinen

Publications (1)

Publication Number Publication Date
IT981308B true IT981308B (it) 1974-10-10

Family

ID=5838720

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21481/73A IT981308B (it) 1972-03-13 1973-03-12 Valvola per il ritorno dei gas di scarico in macchine a combu stione interna

Country Status (5)

Country Link
US (1) US3807375A (it)
JP (1) JPS49620A (it)
DE (1) DE2212007A1 (it)
GB (1) GB1399778A (it)
IT (1) IT981308B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT961892B (it) * 1972-08-05 1973-12-10 Exxon Research Engineering Co Metodo e dispositivo per la riduzione dell inquinamento atmosferico dovuto ai gas di scarico di autoveicoli provvisti di reattore termico
US3989018A (en) * 1974-02-15 1976-11-02 Volkswagenwerk Aktiengesellschaft Exhaust gas recycling apparatus
FR2338393A1 (fr) * 1976-01-16 1977-08-12 Peugeot Perfectionnement aux dispositifs de recyclage des gaz d'echappement d'un moteur a combustion interne
JPS5654947A (en) * 1979-10-09 1981-05-15 Toyota Motor Corp Intake and egr controller for diesel engine
US4561408A (en) * 1984-01-23 1985-12-31 Borg-Warner Corporation Motorized flow control valve
DE3822954C2 (de) * 1988-07-07 1997-02-27 Pierburg Ag Abgasrückführeinrichtung
DE9015881U1 (de) * 1990-11-22 1991-02-07 Pierburg GmbH, 4040 Neuss Abgasrückführventil für eine Brennkraftmaschine
WO1999054650A1 (fr) 1998-04-23 1999-10-28 Mitsubishi Denki Kabushiki Kaisha Vanne de regulation
DE602005007172D1 (de) * 2005-01-31 2008-07-10 Kwang Yang Motor Co Abgasrückführventil für ein Fahrzeug
DE102013101785A1 (de) * 2013-02-22 2014-08-28 Pierburg Gmbh Abgasventilvorrichtung für eine Verbrennungskraftmaschine
USD926944S1 (en) 2019-11-25 2021-08-03 Joseph P. Marcilese Fluid connector

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2969800A (en) * 1955-05-31 1961-01-31 B H Hadley Inc Control means and method to maintain predetermined pressure in a pressure zone
US3465736A (en) * 1967-10-09 1969-09-09 Atlantic Richfield Co Exhaust recycle control mechanism
US3542004A (en) * 1968-08-09 1970-11-24 George W Cornelius Recycle apparatus
US3675633A (en) * 1969-01-20 1972-07-11 Nissan Motor Air-pollution preventive system for motor vehicles
US3621825A (en) * 1970-07-27 1971-11-23 Ford Motor Co Exhaust gas recirculation control valve

Also Published As

Publication number Publication date
GB1399778A (en) 1975-07-02
JPS49620A (it) 1974-01-07
US3807375A (en) 1974-04-30
DE2212007A1 (de) 1973-09-20

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