JPS61140171U - - Google Patents

Info

Publication number
JPS61140171U
JPS61140171U JP1985024378U JP2437885U JPS61140171U JP S61140171 U JPS61140171 U JP S61140171U JP 1985024378 U JP1985024378 U JP 1985024378U JP 2437885 U JP2437885 U JP 2437885U JP S61140171 U JPS61140171 U JP S61140171U
Authority
JP
Japan
Prior art keywords
vane
feed pump
seal
fuel injection
chamber
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
JP1985024378U
Other languages
Japanese (ja)
Other versions
JPH034780Y2 (en
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 filed Critical
Priority to JP1985024378U priority Critical patent/JPH034780Y2/ja
Priority to GB08602943A priority patent/GB2172339B/en
Priority to KR2019860001783U priority patent/KR900009524Y1/en
Priority to DE19863605452 priority patent/DE3605452A1/en
Publication of JPS61140171U publication Critical patent/JPS61140171U/ja
Application granted granted Critical
Publication of JPH034780Y2 publication Critical patent/JPH034780Y2/ja
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
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
    • F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
    • F04C15/0038—Shaft sealings specially adapted for rotary-piston machines or pumps
    • 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
    • F02M39/00—Arrangements of fuel-injection apparatus with respect to engines; Pump drives adapted to such arrangements
    • F02M39/005—Arrangements of fuel feed-pumps with respect to fuel injection apparatus
    • 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
    • F02M41/125—Variably-timed valves controlling fuel passages
    • 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
    • F02M63/0001—Fuel-injection apparatus with specially arranged lubricating system, e.g. by fuel oil

Landscapes

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

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図はこの考案の分配型燃料噴射ポンプを示
す横断面図、第２図は第１図のＡ―Ａ線断面図、
第３図は同上の実施例に用いたフイードポンプの
側面図、第４図は同上のフイードポンプのベーン
を示す斜視図である。 ２…駆動軸挿入孔、３…駆動軸、５…カム室、
３４…フイードポンプ、３５…ロータ、３９…ベ
ーン、４０…案内リング、４１…作動室、４９ａ
，４９ｂ…シール室、５０ａ，５０ｂ…オイルシ
ール、５９…等圧溝、６０…背圧室。 FIG. 1 is a cross-sectional view showing the distribution type fuel injection pump of this invention, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1,
FIG. 3 is a side view of the feed pump used in the above embodiment, and FIG. 4 is a perspective view showing the vane of the feed pump. 2... Drive shaft insertion hole, 3... Drive shaft, 5... Cam chamber,
34...Feed pump, 35...Rotor, 39...Vane, 40...Guide ring, 41...Working chamber, 49a
, 49b... Seal chamber, 50a, 50b... Oil seal, 59... Equal pressure groove, 60... Back pressure chamber.

Claims (1)

【実用新案登録請求の範囲】 １ 潤滑油が供給される潤滑空間に隣接してフイ
ードポンプを設けた分配型燃料噴射ポンプにおい
て、前記潤滑空間とフイードポンプとの間を駆動
軸の周囲に設けられたオイルシールをもつてシー
ルし、このオイルシールが配置されたシール室と
前記フイードポンプの低圧側とを圧力逃がし通路
を介して連通したことを特徴とする分配型燃料噴
射ポンプ。 ２ フイードポンプは、駆動軸に固装されたロー
タと、このロータに嵌挿されたベーンと、このベ
ーンの先端を案内する案内リングとを具備し、ロ
ータ、ベーン及び案内リングに囲まれた作動室の
容積変化にて燃料を加圧するようになつており、
前記ベーンの背部に形成された背圧室と該ベーン
より先行する作動室とを連通する等圧溝を前記ベ
ーンに形成したことを特徴とする実用新案登録請
求の範囲第１項記載の分配型燃料噴射ポンプ。[Claims for Utility Model Registration] 1. In a distribution type fuel injection pump in which a feed pump is provided adjacent to a lubricating space where lubricating oil is supplied, an oil feed pump provided around a drive shaft between the lubricating space and the feed pump 1. A distribution type fuel injection pump, characterized in that the seal chamber is sealed with a seal, and the seal chamber in which the oil seal is disposed communicates with the low pressure side of the feed pump via a pressure relief passage. 2. A feed pump includes a rotor fixed to a drive shaft, a vane fitted into the rotor, and a guide ring that guides the tip of the vane, and has an operating chamber surrounded by the rotor, vanes, and guide ring. The fuel is pressurized by the change in volume,
The distribution type according to claim 1, characterized in that the vane is provided with an equal pressure groove that communicates a back pressure chamber formed at the back of the vane with an operating chamber preceding the vane. fuel injection pump.
JP1985024378U 1985-02-22 1985-02-22 Expired JPH034780Y2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1985024378U JPH034780Y2 (en) 1985-02-22 1985-02-22
GB08602943A GB2172339B (en) 1985-02-22 1986-02-06 Distributor-type fuel injection pump
KR2019860001783U KR900009524Y1 (en) 1985-02-22 1986-02-17 Distributor-type fuel injektion pump
DE19863605452 DE3605452A1 (en) 1985-02-22 1986-02-20 DISTRIBUTOR INJECTION PUMP

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985024378U JPH034780Y2 (en) 1985-02-22 1985-02-22

Publications (2)

Publication Number Publication Date
JPS61140171U true JPS61140171U (en) 1986-08-30
JPH034780Y2 JPH034780Y2 (en) 1991-02-07

Family

ID=12136524

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985024378U Expired JPH034780Y2 (en) 1985-02-22 1985-02-22

Country Status (4)

Country Link
JP (1) JPH034780Y2 (en)
KR (1) KR900009524Y1 (en)
DE (1) DE3605452A1 (en)
GB (1) GB2172339B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04504748A (en) * 1989-12-29 1992-08-20 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング Fuel injection pump for internal combustion engines
JP2010180790A (en) * 2009-02-06 2010-08-19 Denso Corp Fuel supply device

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721352B1 (en) * 1994-06-17 1996-09-06 Leduc Rene Hydro Sa High pressure pump to supply fuel injectors for internal combustion engines.
US7137789B2 (en) 1997-07-18 2006-11-21 Rpm Industries, Inc. Vent for reducing seal pressure in pump assembly
US6544008B1 (en) * 1997-07-18 2003-04-08 John K. Apostolides Internal vent for reducing seal pressure in prelubrication pump assembly
CN104696128A (en) * 2015-01-15 2015-06-10 东风朝阳朝柴动力有限公司 Fuel injection pump with ventilation function
DE102015111025B4 (en) 2015-07-08 2024-07-25 Volkswagen Ag Self-lubricated high pressure pump
DE102018120777A1 (en) * 2018-08-24 2020-02-27 Volkswagen Aktiengesellschaft High-pressure pump comprising pressure lubrication
CN110360041A (en) * 2019-08-08 2019-10-22 思达耐精密机电（常熟）有限公司 A kind of novel fuel pump for preventing oil sealing from leaking and detecting oil seal failure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967934C (en) * 1953-01-30 1957-12-27 Kloeckner Humboldt Deutz Ag Device for fastening and sealing the relief valve guide body in fuel injection pumps
DE1734877U (en) * 1955-05-04 1956-11-29 Bosch Gmbh Robert FUEL INJECTION PUMP WITH DISTRIBUTOR.
US3154020A (en) * 1962-04-05 1964-10-27 Roth Co Roy E Sealing means for rotary pump shafts and the like
US3381615A (en) * 1966-12-09 1968-05-07 Caterpillar Tractor Co Driving and timing mechanism for fuel injection pump

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04504748A (en) * 1989-12-29 1992-08-20 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング Fuel injection pump for internal combustion engines
JP2010180790A (en) * 2009-02-06 2010-08-19 Denso Corp Fuel supply device

Also Published As

Publication number Publication date
KR860010826U (en) 1986-09-08
DE3605452C2 (en) 1990-09-13
GB2172339A (en) 1986-09-17
GB2172339B (en) 1988-06-29
DE3605452A1 (en) 1986-08-28
JPH034780Y2 (en) 1991-02-07
GB8602943D0 (en) 1986-03-12
KR900009524Y1 (en) 1990-10-13

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