KR930703536A - 전자 제어식 유닛 분사기용 댐핑 작동기 및 밸브 조립체 - Google Patents

전자 제어식 유닛 분사기용 댐핑 작동기 및 밸브 조립체

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Publication number
KR930703536A
KR930703536A KR1019930701736A KR930701736A KR930703536A KR 930703536 A KR930703536 A KR 930703536A KR 1019930701736 A KR1019930701736 A KR 1019930701736A KR 930701736 A KR930701736 A KR 930701736A KR 930703536 A KR930703536 A KR 930703536A
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KR
South Korea
Prior art keywords
actuator
valve
assembly
damping fluid
electronically controlled
Prior art date
Application number
KR1019930701736A
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English (en)
Other versions
KR100203322B1 (ko
Inventor
토마스 지 오스만
마이클 피 하몬
로날드 디 시노글
마이클 티. 짐머
Original Assignee
로리 제이. 헉스터블
캐터필라 인크
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Publication of KR930703536A publication Critical patent/KR930703536A/ko
Application granted granted Critical
Publication of KR100203322B1 publication Critical patent/KR100203322B1/ko

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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
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/105—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive hydraulic drive
    • 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection 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
    • F02M57/00—Fuel-injectors combined or associated with other devices
    • F02M57/02—Injectors structurally combined with fuel-injection pumps
    • F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
    • F02M57/025—Injectors structurally combined with fuel-injection pumps characterised by the pump drive hydraulic, e.g. with pressure amplification
    • 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
    • F02M59/46—Valves
    • F02M59/466—Electrically operated valves, e.g. using electromagnetic or piezoelectric operating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00—Other engines
    • F02B75/16—Engines characterised by number of cylinders, e.g. single-cylinder engines
    • F02B75/18—Multi-cylinder engines
    • F02B2075/1804—Number of cylinders
    • F02B2075/1832—Number of cylinders eight
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
    • F02B2275/14—Direct injection into combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
    • F02F7/00—Casings, e.g. crankcases or frames
    • F02F7/006—Camshaft or pushrod housings
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/30—Fuel-injection apparatus having mechanical parts, the movement of which is damped
    • F02M2200/304—Fuel-injection apparatus having mechanical parts, the movement of which is damped using hydraulic means
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

전자 제어식 유닛 분사기용 작동기 및 밸브 조립체(28)은 전기적으로 여기가 가능한 작동기 조립체(36)과, 이 작동기 조립체(36)의 적어도 하나의 공동(57,89)에 대해 댐핑 유체를 연통, 수집 및 배출하는 장치를 포함한다. 엔진 정지 후 작동기 조립체(36)에 과량의 댐핑 유체가 남게되면 그 댐핑 유체는 냉각되고, 냉간엔진 시동중 작동기 및 밸브 조립체(28)의 느린 응답을 일으킨다. 결국, 엔진(12)의 신속한 시동 및/또는 작동이 특히 엔진 냉각 상태에서는 방해를 받게 된다. 연통, 수집 및 배출수단(56)은 엔진(12)가 정지된 후 고온의 댐핑 유체의 적어도 일부가 공동(57,89)로부터 자동으로 배출될 수 있게 한다.

Description

전자 제어식 유닛 분사기용 댐핑 작동기 및 밸브 조립체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
디젤 사이클 직접 분사 내연 엔진(12)용으로 사용되는 예시적인 HEUI 연료 분사시스템(10)이 제1도, 제2도, 제12도 및 제13도에 도시되어 있다.

Claims (9)

  1. 공동(57,89)를 제한하는 기동 부재(42)를 가진 전기적 여기 가능한 작동기 조립체(36)과, 가동부재(42)에 연결된 밸브(38)과, 작동기 조립체(36)의 공동에 대해 댐핑 유체를 연통, 수집 및 배출하는 수단(56)으로 구성된 것을 특징으로 하는 전자유닛 분사기용 작동기 및 밸브 조립체.
  2. 고정된 고정자(46)과, 제1 및 제2공동(57 및 89)를 각각 제한하는 제1 및 제2면(52 및 54)를 구비하며 상기 제1면(52)는 고정자(46)과 대면해 있는 가동 전기자(42)를 가진 전기적 여기 가능한 솔레노이드 조립체(36)과, 전기자(42)에 연결되고 유닛 분사기(18)에 유압 작동 유체를 선택적으로 연통하도록 된 밸브(38)과, 솔레노이드 조립체(36)의 적어도 하나의 공동(57,89)에 대해 댐핑 유체를 연통, 수집 및 배출하는 수단(56)을 갖는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  3. 제2항에 있어서, 상기 연통, 수집 및 배출수단(56)은 전기자(42)의 제1 및 제2표면(52,54)사이에 연장되는 통로(58)을 포함하는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  4. 제3항에 있어서, 상기 연통, 수집 및 배출수단(56)은 전기자 제1면(52) 및 고정자 중 하나에 형성된 수집홈(60)을 포함하고, 상기 수집홈(60)은 전기자(42)의 통로(58)과 연통하는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  5. 제2항에 있어서, 상기 밸브(38)은 제1 밸브 공동(138)을 한정하는 제1단부(132)와, 제2밸브 공동(148)을 한정하는 제2단부(136)과, 상기 밸브 공동들(138,148) 사이에 배치된 중간부(134)를 가지며, 상기 중간부(134)는 밸브 공동들(138,148) 사이에 연통하는 제한된 통로(142)를 한정하는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  6. 제2항에 있어서, 상기 솔레노이드 조립체(36)은 전기자 공동(57,89)중 하나와 연통하는 배출 통로(98)을 포함하는 것을 특징츠로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  7. 슬리이브 구멍(126)을 한정하는 슬리이브(76)과, 제1 및 제2전기자 공동(57,89)를 한정하는 가동부재(42)를 포함하는 전기적 여기가능한 작동기 조립체(36)과, 가동부재(42)에 연결되고 유닛 분사기(18)에 작동 유체를 유압식으로 선택적으로 연통시키도록 되어 있으며 소정 직경 간극(C3a)에 따라 슬리이브 구멍(126)에 위치된 단부(132)를 갖는 밸브(38)과, 작동기 조립체(36)의 적어도 하나의 공동(57,89)에 대해 댐핑 유체를 연통, 수집 및 배출하는 수단(56)을 포함하며, 상기 직경 간극은 댐핑 유체의 점성에 따라 적어도 하나의 공동(57,89)에의 댐핑 유체의 연통을 효과적으로 제어하는 소정 길이 및 직경을 갖는 것을특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  8. 공동(57,89)를 형성하는 가동 부재(42)를 포함하는 전기적으로 여기가능한 작동기 조립체(36)과, 댐핑 유체의 점성이 선택된 값을 하회할 때만 공동(57,89)에 대해 댐핑 유체를 선택적으로 연통하는 수단(56)을 포함하는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
  9. 제8항에 있엇, 선택적 연통 수단(56)은 댐핑 유체의 점성에 따라 공동(57,89)에 대한 댐핑 유체의 흐름을 제어하는 것을 특징으로 하는 유압 작동 전자 제어식 유닛 분사기용 작동기 및 밸브 조립체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930701736A 1991-10-11 1991-12-23 전자 제어식 분사기용 댐핑 작동기 및 밸브 조립체 KR100203322B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77651291A 1991-10-11 1991-10-11
US7/776,512 1991-10-11
US07/776,512 1991-10-11
PCT/US1991/009683 WO1993007382A1 (en) 1991-10-11 1991-12-23 Damped actuator and valve assembly for an electronically-controlled unit injector

Publications (2)

Publication Number Publication Date
KR930703536A true KR930703536A (ko) 1993-11-30
KR100203322B1 KR100203322B1 (ko) 1999-06-15

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KR1019930701736A KR100203322B1 (ko) 1991-10-11 1991-12-23 전자 제어식 분사기용 댐핑 작동기 및 밸브 조립체

Country Status (11)

Country Link
US (2) US5375576A (ko)
EP (1) EP0562046B1 (ko)
JP (1) JP3381918B2 (ko)
KR (1) KR100203322B1 (ko)
AU (1) AU1255292A (ko)
BR (1) BR9107316A (ko)
CA (1) CA2098192C (ko)
DE (1) DE69121904D1 (ko)
MX (1) MX9205783A (ko)
RU (1) RU2085757C1 (ko)
WO (1) WO1993007382A1 (ko)

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EP0562046A1 (en) 1993-09-29
AU1255292A (en) 1993-05-03
MX9205783A (es) 1993-05-01
DE69121904D1 (de) 1996-10-10
JPH06503145A (ja) 1994-04-07
JP3381918B2 (ja) 2003-03-04
KR100203322B1 (ko) 1999-06-15
RU2085757C1 (ru) 1997-07-27
CA2098192A1 (en) 1993-04-11
BR9107316A (pt) 1994-04-19
EP0562046B1 (en) 1996-09-04
CA2098192C (en) 2004-11-16
WO1993007382A1 (en) 1993-04-15
US5375576A (en) 1994-12-27
US5478045A (en) 1995-12-26

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