EP1978235A3 - Throttle body in fuel injection apparatus - Google Patents

Throttle body in fuel injection apparatus Download PDF

Info

Publication number
EP1978235A3
EP1978235A3 EP08154074A EP08154074A EP1978235A3 EP 1978235 A3 EP1978235 A3 EP 1978235A3 EP 08154074 A EP08154074 A EP 08154074A EP 08154074 A EP08154074 A EP 08154074A EP 1978235 A3 EP1978235 A3 EP 1978235A3
Authority
EP
European Patent Office
Prior art keywords
tube portion
fuel
injection valve
distribution
fuel distribution
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.)
Granted
Application number
EP08154074A
Other languages
German (de)
French (fr)
Other versions
EP1978235A2 (en
EP1978235B1 (en
Inventor
Yasushi Kondo
Koji Mizusawa
Yu Yagishita
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.)
Keihin Corp
Original Assignee
Keihin 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
Priority claimed from JP2007100588A external-priority patent/JP4794493B2/en
Priority claimed from JP2007202787A external-priority patent/JP2009036158A/en
Application filed by Keihin Corp filed Critical Keihin Corp
Publication of EP1978235A2 publication Critical patent/EP1978235A2/en
Publication of EP1978235A3 publication Critical patent/EP1978235A3/en
Application granted granted Critical
Publication of EP1978235B1 publication Critical patent/EP1978235B1/en
Ceased legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/1035—Details of the valve housing
    • F02D9/1055—Details of the valve housing having a fluid by-pass
    • 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
    • F02D9/08—Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • F02D9/109—Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps having two or more flaps
    • F02D9/1095—Rotating on a common axis, e.g. having a common shaft
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
    • F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
    • 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
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10242—Devices or means connected to or integrated into air intakes; Air intakes combined with other engine or vehicle parts
    • F02M35/10255—Arrangements of valves; Multi-way 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
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/02—Fuel-injection apparatus having several injectors fed by a common pumping element, or having several pumping elements feeding a common injector; Fuel-injection apparatus having provisions for cutting-out pumps, pumping elements, or injectors; Fuel-injection apparatus having provisions for variably interconnecting pumping elements and injectors alternatively
    • F02M63/0225—Fuel-injection apparatus having a common rail feeding several injectors ; Means for varying pressure in common rails; Pumps feeding common rails
    • F02M63/0275—Arrangement of common rails
    • F02M63/0285—Arrangement of common rails having more than one common rail
    • F02M63/0295—Arrangement of common rails having more than one common rail for V- or star- or boxer-engines
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/04—Injectors peculiar thereto
    • F02M69/042—Positioning of injectors with respect to engine, e.g. in the air intake conduit
    • F02M69/044—Positioning of injectors with respect to engine, e.g. in the air intake conduit for injecting into the intake conduit downstream of an air throttle valve
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)

Abstract

A productivity of a throttle body is improved by extremely easy fuel drawing in a first fuel distribution pipe holding a first fuel injection valve to one side wall of a first air intake passage, and a second fuel distribution pipe holding a second fuel injection valve to the other side wall of a second air intake passage. A first fuel distribution pipe (10) is provided with a first distribution tube portion (10a) in which a first fuel distribution path (10b) is provided, a first injection valve insertion tube portion (10d) having a first injection valve insertion hole (10g), and a first connection tube portion (10h) which is orthogonal to the first distribution tube portion (10a) and in which a first connection hole (10l) connected to the first fuel distribution path (10b) is provided. A second fuel distribution pipe (20) is provided with a second distribution tube portion (20a) in which a second fuel distribution path (20b) is provided, a second injection valve insertion tube portion (20d) having a second injection valve insertion hole (20g), and a second connection tube portion (20h) which is orthogonal to the second distribution tube portion (20a) and in which a second connection hole (20m) is provided.
EP20080154074 2007-04-06 2008-04-04 Throttle body in fuel injection apparatus Ceased EP1978235B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007100588A JP4794493B2 (en) 2007-04-06 2007-04-06 Throttle body in fuel injector
JP2007202787A JP2009036158A (en) 2007-08-03 2007-08-03 Throttle body for v-type engine

Publications (3)

Publication Number Publication Date
EP1978235A2 EP1978235A2 (en) 2008-10-08
EP1978235A3 true EP1978235A3 (en) 2010-06-02
EP1978235B1 EP1978235B1 (en) 2011-10-19

Family

ID=39499997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20080154074 Ceased EP1978235B1 (en) 2007-04-06 2008-04-04 Throttle body in fuel injection apparatus

Country Status (1)

Country Link
EP (1) EP1978235B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964381A (en) * 1988-07-29 1990-10-23 Honda Giken Kogyo Kabushiki Kaisha Fuel injection features of a two-cycle engine for motorcycles
JPH0385335A (en) * 1989-08-25 1991-04-10 Honda Motor Co Ltd Air-fuel mixture supply device for multiple cylinder internal combustion engine
JP2004211612A (en) * 2003-01-06 2004-07-29 Keihin Corp Idle speed controlling device in multi-barrel throttle body
EP1586764A1 (en) * 2004-04-16 2005-10-19 Keihin Corporation Fuel supply apparatus
EP1630382A1 (en) * 2004-08-24 2006-03-01 Honda Motor Co., Ltd. Intake system of V-type engine for vehicle
US20060157021A1 (en) * 2005-01-18 2006-07-20 Mitsuyuki Nakagawa Throttle body for V-type engine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4964381A (en) * 1988-07-29 1990-10-23 Honda Giken Kogyo Kabushiki Kaisha Fuel injection features of a two-cycle engine for motorcycles
JPH0385335A (en) * 1989-08-25 1991-04-10 Honda Motor Co Ltd Air-fuel mixture supply device for multiple cylinder internal combustion engine
JP2004211612A (en) * 2003-01-06 2004-07-29 Keihin Corp Idle speed controlling device in multi-barrel throttle body
EP1586764A1 (en) * 2004-04-16 2005-10-19 Keihin Corporation Fuel supply apparatus
EP1630382A1 (en) * 2004-08-24 2006-03-01 Honda Motor Co., Ltd. Intake system of V-type engine for vehicle
US20060157021A1 (en) * 2005-01-18 2006-07-20 Mitsuyuki Nakagawa Throttle body for V-type engine
JP2006200382A (en) * 2005-01-18 2006-08-03 Keihin Corp Throttle body for v-engine

Also Published As

Publication number Publication date
EP1978235A2 (en) 2008-10-08
EP1978235B1 (en) 2011-10-19

Similar Documents

Publication Publication Date Title
EP2034171A3 (en) Fuel injection noozle and method of holding the same
EP2169210A3 (en) Engine intake passage structure of front vehicle body and method of providing the same
EP2060775A3 (en) Fuel lance and assembly
EP2476956A3 (en) System for flow control in fuel injectors
EP2103800A3 (en) Intake system and motorcycle including the same
EP2387113A3 (en) Multi-piece canted coil spring socket
RU2013125451A (en) DEVICE FOR FUEL INJECTION IN THE COMBUSTION CHAMBER OF THE INTERNAL COMBUSTION ENGINE
EP1918548A3 (en) Dynamic sealing assembly to accomodate differential thermal growth of fuel injector components
EP2103780A3 (en) Cold air buffer supply tube
IT1392874B1 (en) INTAKE MANIFOLD WITH INTEGRATED CANISTER CIRCUIT FOR AN OVERALLY OVERLOADED COMBUSTION ENGINE
EP2103805A3 (en) Fuel rail damping assembly including an insert
EP2037114A3 (en) Gaseous Fuel Mixing Device
DE602006020257D1 (en) Fuel manifold
EP2503132A3 (en) Method and apparatus to reduce engine noise in a direct injection engine
EP2353982A3 (en) Fuel supply device
EP2009272A3 (en) Intake manifold for internal combustion engine
EP2140901A3 (en) Respiratory auxiliary device
EP2402589A3 (en) Fuel feed system for V-type engine
EP2365204A3 (en) Carburetor including one-piece fuel metering insert
EP2019197A3 (en) Intake air noise adjuster
EP2053234A3 (en) Fuel injection valve
EP2713037A3 (en) Venturi insert for a carburetor, and carburetor, system and apparatus incorporating the same
JP2007503985A5 (en)
EP2148076A8 (en) Integrated suction manifold provided with a fuel common rail
EP2050950A3 (en) Air intake device for vehicle internal combustion engine

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

17P Request for examination filed

Effective date: 20101202

AKX Designation fees paid

Designated state(s): DE FR GB IT

RIC1 Information provided on ipc code assigned before grant

Ipc: F02D 9/10 20060101ALI20110224BHEP

Ipc: F02M 35/10 20060101AFI20110224BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602008010552

Country of ref document: DE

Effective date: 20120202

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed

Effective date: 20120720

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602008010552

Country of ref document: DE

Effective date: 20120720

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 9

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 11

REG Reference to a national code

Ref country code: GB

Ref legal event code: 732E

Free format text: REGISTERED BETWEEN 20211210 AND 20211215

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 602008010552

Country of ref document: DE

Owner name: HITACHI ASTEMO, LTD., HITACHINAKA-SHI, JP

Free format text: FORMER OWNER: KEIHIN CORP., TOKIO/TOKYO, JP

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20220303

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20220310

Year of fee payment: 15

Ref country code: FR

Payment date: 20220308

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20220302

Year of fee payment: 15

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602008010552

Country of ref document: DE

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20230404

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230404

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230404

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230430

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20231103

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230404