GB1254457A - Carburetors for internal combustion engines - Google Patents

Carburetors for internal combustion engines

Info

Publication number
GB1254457A
GB1254457A GB5753768A GB5753768A GB1254457A GB 1254457 A GB1254457 A GB 1254457A GB 5753768 A GB5753768 A GB 5753768A GB 5753768 A GB5753768 A GB 5753768A GB 1254457 A GB1254457 A GB 1254457A
Authority
GB
United Kingdom
Prior art keywords
valve
sp
lt
gt
vacuum
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
GB5753768A
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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
Priority to JP2078368 priority Critical
Priority to JP2078168 priority
Priority to JP2078268 priority
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB1254457A publication Critical patent/GB1254457A/en
Application status is Expired legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M3/00Idling devices for carburettors
    • F02M3/08Other details of idling devices
    • F02M3/09Valves responsive to engine conditions, e.g. manifold vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M3/00Idling devices for carburettors
    • F02M3/005Idling fuel enrichment with motor driven instead of driving; Switching the fuel supply from the main to idling jet system
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S261/00Gas and liquid contact apparatus
    • Y10S261/19Degassers

Abstract

1,254,457. Spray carburetters. NISSAN MOTOR CO. Ltd. Dec.4, 1968 [March 30, 1968(3)], No.57537/68. Heading F1B. The flow passage to a port 20, Fig. 4 or 20<SP>1</SP>, Fig. 7, providing communication between the idling system and the main induction passage of a carburetter is controlled by a valve member 21 or 21c in response to the vacuum downstream of the throttle valve 10 during over-running to provide additional air-fuel mixture. The valve member 21 or 21c may be connected to a diaphragm 23 subjected to the inlet manifold vacuum through a conduit 27. The flow to the port 20<SP>1</SP> may be controlled in accordance with the vacuum by providing a shaped tip 21c<SP>1</SP> on the valve member which co-operates with a restricted orifice 43. The valve member (21a), Fig. 10 (not shown), may be operated by a solenoid (48) actuated by a diaphragm switch (50) subject to inlet manifold . vacuum. The idling system control valve may be connected to a valving member (62), Fig. 10 (not shown), or the valve actuating diaphram (23), Fig. 9 (not shown), may act as a valve, to open a flow path (40, 41, 42) for additional air to the main induction passage downstream of the throttle valve, simultaneously with the operation of the idling system control valve. The valve member (35), Fig. 8 (not shown), in the idling system may be a ball check valve opened by the vacuum at over-running transmitted through the passage (32) providing communication between the idling system and the main induction passage.
GB5753768A 1968-03-30 1968-12-04 Carburetors for internal combustion engines Expired GB1254457A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2078368 1968-03-30
JP2078168 1968-03-30
JP2078268 1968-03-30

Publications (1)

Publication Number Publication Date
GB1254457A true GB1254457A (en) 1971-11-24

Family

ID=27283162

Family Applications (2)

Application Number Title Priority Date Filing Date
GB5753668A Expired GB1254456A (en) 1968-03-30 1968-12-04 Carburetors for internal combustion engines
GB5753768A Expired GB1254457A (en) 1968-03-30 1968-12-04 Carburetors for internal combustion engines

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB5753668A Expired GB1254456A (en) 1968-03-30 1968-12-04 Carburetors for internal combustion engines

Country Status (5)

Country Link
US (2) US3554173A (en)
DE (2) DE1816211C3 (en)
FR (2) FR1598603A (en)
GB (2) GB1254456A (en)
NL (2) NL146905B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1305991A (en) * 1969-02-05 1973-02-07
US3782346A (en) * 1970-03-30 1974-01-01 Toyo Kogyo Co Intake system for internal combustion engine
US3761063A (en) * 1970-04-16 1973-09-25 Toyo Kogyo Co Carburetor provided with auxiliary fuel feed means
US4058978A (en) * 1974-03-31 1977-11-22 Wilfried Bockelmann Regulating device for metering a supplementary air quantity to improve combustion in combustion engines
JPS5080628U (en) * 1973-11-30 1975-07-11
FR2307139B1 (en) * 1975-04-11 1978-02-03 Dba
US4395876A (en) * 1976-06-30 1983-08-02 Ethyl Corporation Variable secondary air system for an engine
US4164205A (en) * 1976-12-10 1979-08-14 Toyo Kogyo Co., Ltd. Internal combustion engine having a dual induction type intake system
JPS5926059B2 (en) * 1977-01-06 1984-06-23 Nippon Electric Co
DE2841916C3 (en) * 1978-09-27 1982-02-11 Pierburg Gmbh & Co Kg, 4040 Neuss, De
EP0013842A1 (en) * 1978-11-16 1980-08-06 Claude Sennely Device for controlling the air-fuel ratio of a carburettor mixture during transition from idle to normal running
GB8524922D0 (en) * 1985-10-09 1985-11-13 Elec & Eltek Co Ltd Mixture control system
JPH0811510B2 (en) * 1986-04-15 1996-02-07 本田技研工業株式会社 Control method for a fuel supply in fluid torque converter clutch in an engine for a vehicle
US4838224A (en) * 1987-07-09 1989-06-13 Cheng Huan Sung Method and apparatus for control of engine idling circuit
JP2711707B2 (en) * 1989-01-27 1998-02-10 三信工業株式会社 Lubrication conditioning system for an internal combustion engine
US4971004A (en) * 1989-08-24 1990-11-20 Brunswick Corporation Deceleration enrichener system
JP2722856B2 (en) * 1991-05-30 1998-03-09 日産自動車株式会社 Idle speed control apparatus for an internal combustion engine
US20150315969A1 (en) * 2014-05-02 2015-11-05 General Electric Company Fuel supply system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2390019A (en) * 1945-11-27 Carburetor
US2386340A (en) * 1944-12-18 1945-10-09 George M Holley Decelerator
US2563645A (en) * 1946-12-19 1951-08-07 George R Ericson Engine starting device
US2621911A (en) * 1947-12-30 1952-12-16 Bendix Aviat Corp Carburetor
US2796243A (en) * 1955-05-16 1957-06-18 Gen Motors Corp Carburetor
US2824726A (en) * 1955-11-08 1958-02-25 Gen Motors Corp Degasser attachment for internal combustion engines
US2895561A (en) * 1957-01-17 1959-07-21 Holley Carburetor Co Torque responsive fuel cut-off means
US2868521A (en) * 1957-03-21 1959-01-13 Gen Motors Corp Degasser
US3252539A (en) * 1962-03-09 1966-05-24 Acf Ind Inc Multi-barrel carburetor with adjustable idle air by-pass
US3188062A (en) * 1962-05-29 1965-06-08 Standard Products Co Carburetor
US3304068A (en) * 1964-08-13 1967-02-14 Ford Motor Co Automatic idle speed-up device
US3374777A (en) * 1964-11-06 1968-03-26 Walker Brooks Vehicle carburetor

Also Published As

Publication number Publication date
FR1599396A (en) 1970-07-15
US3590792A (en) 1971-07-06
US3554173A (en) 1971-01-12
NL6901708A (en) 1969-10-02
NL6901709A (en) 1969-10-02
DE1816238A1 (en) 1969-10-16
GB1254456A (en) 1971-11-24
DE1816211B2 (en) 1973-09-27
FR1598603A (en) 1970-07-06
DE1816211C3 (en) 1974-05-02
DE1816238C3 (en) 1974-10-10
DE1816211A1 (en) 1969-10-16
NL146905B (en) 1975-08-15
DE1816238B2 (en) 1974-03-14

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