EP1314873A3 - Mechanical distributor type injection pump with cold start acceleration - Google Patents

Mechanical distributor type injection pump with cold start acceleration Download PDF

Info

Publication number
EP1314873A3
EP1314873A3 EP02022594A EP02022594A EP1314873A3 EP 1314873 A3 EP1314873 A3 EP 1314873A3 EP 02022594 A EP02022594 A EP 02022594A EP 02022594 A EP02022594 A EP 02022594A EP 1314873 A3 EP1314873 A3 EP 1314873A3
Authority
EP
European Patent Office
Prior art keywords
cold start
start acceleration
injection pump
type injection
distributor type
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
EP02022594A
Other languages
German (de)
French (fr)
Other versions
EP1314873A2 (en
EP1314873B1 (en
Inventor
Guenter Bofinger
David Banham
Volker Freudl
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1314873A2 publication Critical patent/EP1314873A2/en
Publication of EP1314873A3 publication Critical patent/EP1314873A3/en
Application granted granted Critical
Publication of EP1314873B1 publication Critical patent/EP1314873B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/10—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor
    • F02M41/12—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor
    • F02M41/123—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined pump pistons acting as the distributor the pistons rotating to act as the distributor characterised by means for varying fuel delivery or injection timing
    • F02M41/128—Varying injection timing by angular adjustment of the face-cam or the rollers support
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • F02D1/183—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic
    • 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
    • F02M41/00—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor
    • F02M41/08—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined
    • F02M41/14—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons
    • F02M41/1405—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis
    • F02M41/1411—Fuel-injection apparatus with two or more injectors fed from a common pressure-source sequentially by means of a distributor the distributor and pumping elements being combined rotary distributor supporting pump pistons pistons being disposed radially with respect to rotation axis characterised by means for varying fuel delivery or injection timing
    • F02M41/1416—Devices specially adapted for angular adjustment of annular cam
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D1/00—Controlling fuel-injection pumps, e.g. of high pressure injection type
    • F02D1/16—Adjustment of injection timing
    • F02D1/18—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse
    • F02D1/183—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic
    • F02D2001/186—Adjustment of injection timing with non-mechanical means for transmitting control impulse; with amplification of control impulse hydraulic using a pressure-actuated piston for adjustment of a stationary cam or roller support

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)

Abstract

Die Erfindung bezieht sich auf eine Hochdruckpumpe zur Versorgung von Verbrennungskraftmaschinen mit Kraftstoff, an deren Gehäuse (2) eine Verstelleinheit (5) zum Verschieben des Einspritzzeitpunktes aufgenommen ist. Die Verstelleinheit (5) umfasst einen Einspritzverstellerkolben (6) mit Zulaufbohrungen (10,11), wobei im Einspritzverstellerkolben (6) ein Regelschieber (12) bewegbar aufgenommen ist, welcher an seiner einem Kaltstartbeschleunigungskolben (23) zuweisenden Seite (18) mit einer Vorspannkraft beaufschlagt ist. Zwischen dem Kaltstartbeschleunigungskolben (23) und der zweiten Stirnseite (18) des Einspritzverstellerkolbens (6) ist ein diesen direkt beaufschlagendes Federelement (62) sowie ein von diesem Federelement (62) unabhängiges, auf den Regelschieber (12,20) einwirkendes, an einem Träger (55) aufgenommenes Federpaket (60,61) angeordnet.

Figure 00000001
The invention relates to a high-pressure pump for supplying internal combustion engines with fuel, to whose housing (2) an adjusting unit (5) for moving the injection time is added. The adjusting unit (5) comprises a Einspritzverstellerkolben (6) with inlet bores (10,11), wherein in the Einspritzverstellerkolben (6) a control slide (12) is movably received, which on its a Kaltstartbeschleunigungskolben (23) facing side (18) with a biasing force is charged. Between the cold start acceleration piston (23) and the second end face (18) of the Einspritzverstellerkolbens (6) is a directly acting spring element (62) and one of this spring element (62) independent, on the control slide (12,20) acting on a support (55) received spring assembly (60,61) arranged.
Figure 00000001
EP02022594A 2001-11-21 2002-10-09 Mechanical distributor type injection pump with cold start acceleration Expired - Lifetime EP1314873B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10156989A DE10156989A1 (en) 2001-11-21 2001-11-21 Mechanical distributor injection pump with cold start acceleration
DE10156989 2001-11-21

Publications (3)

Publication Number Publication Date
EP1314873A2 EP1314873A2 (en) 2003-05-28
EP1314873A3 true EP1314873A3 (en) 2005-05-18
EP1314873B1 EP1314873B1 (en) 2008-08-06

Family

ID=7706380

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02022594A Expired - Lifetime EP1314873B1 (en) 2001-11-21 2002-10-09 Mechanical distributor type injection pump with cold start acceleration

Country Status (3)

Country Link
US (1) US6748930B2 (en)
EP (1) EP1314873B1 (en)
DE (2) DE10156989A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3985234B2 (en) * 2004-06-29 2007-10-03 ソニー株式会社 Sound image localization device
ATE416307T1 (en) * 2006-03-17 2008-12-15 Delphi Tech Inc FUEL INJECTION PUMP
US7751907B2 (en) 2007-05-24 2010-07-06 Smiths Medical Asd, Inc. Expert system for insulin pump therapy
US8986253B2 (en) 2008-01-25 2015-03-24 Tandem Diabetes Care, Inc. Two chamber pumps and related methods
US8408421B2 (en) 2008-09-16 2013-04-02 Tandem Diabetes Care, Inc. Flow regulating stopcocks and related methods
EP2334234A4 (en) 2008-09-19 2013-03-20 Tandem Diabetes Care Inc Solute concentration measurement device and related methods
CA2921304C (en) 2009-07-30 2018-06-05 Tandem Diabetes Care, Inc. Infusion pump system with disposable cartridge having pressure venting and pressure feedback
US9180242B2 (en) 2012-05-17 2015-11-10 Tandem Diabetes Care, Inc. Methods and devices for multiple fluid transfer
US9173998B2 (en) 2013-03-14 2015-11-03 Tandem Diabetes Care, Inc. System and method for detecting occlusions in an infusion pump

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408591A (en) * 1980-11-15 1983-10-11 Diesel Kiki Co., Ltd. Injection timing control device for distributor-type fuel injection pumps
US4610234A (en) * 1984-06-12 1986-09-09 Diesel Kiki Co., Ltd. Injection timing control device for distributor-type fuel injection pumps

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2839014A1 (en) * 1978-09-07 1980-03-20 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
GB2068590B (en) * 1980-01-22 1983-06-22 Lucas Industries Ltd Fuel pumping apparatus
DE3517974A1 (en) * 1985-05-18 1986-11-20 Robert Bosch Gmbh, 7000 Stuttgart FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
DE3822257A1 (en) * 1988-07-01 1990-01-04 Bosch Gmbh Robert FUEL INJECTION PUMP FOR INTERNAL COMBUSTION ENGINES
DE3943246A1 (en) * 1989-12-29 1991-07-04 Bosch Gmbh Robert FUEL INJECTION PUMP

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408591A (en) * 1980-11-15 1983-10-11 Diesel Kiki Co., Ltd. Injection timing control device for distributor-type fuel injection pumps
US4610234A (en) * 1984-06-12 1986-09-09 Diesel Kiki Co., Ltd. Injection timing control device for distributor-type fuel injection pumps

Also Published As

Publication number Publication date
EP1314873A2 (en) 2003-05-28
DE50212596D1 (en) 2008-09-18
DE10156989A1 (en) 2003-06-05
EP1314873B1 (en) 2008-08-06
US6748930B2 (en) 2004-06-15
US20030121504A1 (en) 2003-07-03

Similar Documents

Publication Publication Date Title
DE19581047B4 (en) Hydraulically operated electronically controlled fuel injector
EP1577539A3 (en) Solenoid valve with adjustable armature lift and method for adjusting the same
EP1296060A3 (en) Fuel injection system for an internal combustion engine
EP1693564A3 (en) Fuel injector with direct needle control for an internal combustion engine
EP1692393A1 (en) Injector used to inject fuel into internal combustion chambers in internal combustion engines, particularly, a piezo-actuator controlled common-rail-injector
EP0952333A3 (en) Fuel injector for fuel injection systems
EP2598743A1 (en) High pressure pump
EP1314873A3 (en) Mechanical distributor type injection pump with cold start acceleration
EP1347172A3 (en) Piston pump
EP1201913A3 (en) Variable displacement high pressure fuel pump
EP0915254A3 (en) Injector controlled by a magnetic valve for an accumulator system of a multicylinder internal combustion engine
EP1379784B1 (en) Single-plunger injection pump for a common rail fuel injection system
EP1359306A3 (en) Fuel injection system for an internal combustion engine
EP1923564A3 (en) Fuel injector
EP0982492A3 (en) Apparatus for injecting fuel in a reciprocating internal combustion engine
EP1327766A3 (en) Method, computer programme and control and/or regulation device for operating an internal combustion engine, and internal combustion engine
EP1088985A3 (en) High pressure fuel injector for an internal combustion engine
EP1243785A3 (en) Fuel injection system for internal combustion engine
DE112006000387B4 (en) Common pressure line system with pressure boost
EP1236884A3 (en) Fuel injection device for internal combustion engines
WO2009115354A1 (en) High-pressure pump
EP1241347A3 (en) Fuel injection system for internal combustion engines
DE20110130U1 (en) Fuel injection device for an internal combustion engine
DE102008040452A1 (en) High pressure pump for fuel injection device, particularly common rail injection system for injecting fuel into combustion chamber of internal combustion engine, has compressor chamber that is connected to storage space
EP1273796A3 (en) High pressure fuel pump especially for direct injection internal combustion engine and fuel system and 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

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

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 IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

17P Request for examination filed

Effective date: 20051118

AKX Designation fees paid

Designated state(s): DE FR GB IT

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

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 50212596

Country of ref document: DE

Date of ref document: 20080918

Kind code of ref document: P

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: 20090507

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 14

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 15

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 16

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 17

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

Ref country code: GB

Payment date: 20211022

Year of fee payment: 20

Ref country code: DE

Payment date: 20211214

Year of fee payment: 20

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

Ref country code: IT

Payment date: 20211029

Year of fee payment: 20

Ref country code: FR

Payment date: 20211021

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 50212596

Country of ref document: DE

REG Reference to a national code

Ref country code: GB

Ref legal event code: PE20

Expiry date: 20221008

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 EXPIRATION OF PROTECTION

Effective date: 20221008