GB1335487A - Internal combustion engine exhaust gas recirculation - Google Patents

Internal combustion engine exhaust gas recirculation

Info

Publication number
GB1335487A
GB1335487A GB5418471A GB1335487DA GB1335487A GB 1335487 A GB1335487 A GB 1335487A GB 5418471 A GB5418471 A GB 5418471A GB 1335487D A GB1335487D A GB 1335487DA GB 1335487 A GB1335487 A GB 1335487A
Authority
GB
United Kingdom
Prior art keywords
restriction
exhaust
valve
nozzle
exhaust 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.)
Expired
Application number
GB5418471A
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.)
Old Carco LLC
Original Assignee
Chrysler Corp
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 Chrysler Corp filed Critical Chrysler Corp
Publication of GB1335487A publication Critical patent/GB1335487A/en
Expired legal-status Critical Current

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
    • F02M26/63—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
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/17—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system
    • F02M26/21—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the intake system with EGR valves located at or near the connection to the intake system
    • 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
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/41—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories characterised by the arrangement of the recirculation passage in relation to the engine, e.g. to cylinder heads, liners, spark plugs or manifolds; characterised by the arrangement of the recirculation passage in relation to specially adapted combustion chambers
    • 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

Abstract

1335487 Recycling I.C. engine exhaust gases CHRYSLER CORP 22 Nov 1971 54184/71 Heading F1B [Also in Division F2] A hot spot provided by a wall portion 20 between the induction and exhaust systems has an exhaust recycling duct therethrough with a restriction 23 adjacent its upstream end. The restriction 23 is spaced from the hot spot, e.g. by the wall thickness of the nozzle 22 at the restriction, sufficiently for the temperature at the restriction to be above the precipitation temperature of lead in the exhaust gases. An opening 30 in the throttle valve 14 may provide a flow of air during idling which opposes the exhaust gas flow through the nozzle 22. The nozzle (22a), Fig.2 (not shown) may extend only slightly to either side of the wall portion 20. The restriction 23 may be obturated by a valve member 32a, Fig.3, operated in response to the position of the valve 14. The diaphragm 35 of the valve actuator is subject to the pressure at the distributer vacuum advance port 43 and biased by a spring 40 so that the member 32a closes or restricts the restriction 23 only when the valve 14 is adjacent its idling and full throttle positions. The diaphragm 35 may be subjected on opposite sides to the pressures at the port 43 and in the intake manifold 12 and biased to open the restriction 23 by a spring (40a), Fig.4 (not shown). A nozzle 22, e.g. of stainless steel, may be provided in the wall portion 20 for each barrel of a multi-barrel carburetter 10. The intake manifold 12 includes passages 12a, 12b leading to respective banks of engine cylinders and the exhaust passage 19 provides communication between the exhaust manifolds 17, Fig.3, of the banks. A thermostatically controlled valve (21), Fig.4, in one exhaust manifold 17 controls the exhaust gas flow through the passage 19.
GB5418471A 1971-11-22 1971-11-22 Internal combustion engine exhaust gas recirculation Expired GB1335487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5418471 1971-11-22

Publications (1)

Publication Number Publication Date
GB1335487A true GB1335487A (en) 1973-10-31

Family

ID=10470197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5418471A Expired GB1335487A (en) 1971-11-22 1971-11-22 Internal combustion engine exhaust gas recirculation

Country Status (1)

Country Link
GB (1) GB1335487A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349729A1 (en) * 1988-07-07 1990-01-10 Pierburg Gmbh Exhaust gas recirculation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349729A1 (en) * 1988-07-07 1990-01-10 Pierburg Gmbh Exhaust gas recirculation device

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Legal Events

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