KR100428497B1 - 4사이클 엔진의 밸브작동기구 - Google Patents
4사이클 엔진의 밸브작동기구 Download PDFInfo
- Publication number
- KR100428497B1 KR100428497B1 KR10-2001-0056082A KR20010056082A KR100428497B1 KR 100428497 B1 KR100428497 B1 KR 100428497B1 KR 20010056082 A KR20010056082 A KR 20010056082A KR 100428497 B1 KR100428497 B1 KR 100428497B1
- Authority
- KR
- South Korea
- Prior art keywords
- cam
- intake
- oil
- valve
- exhaust
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/024—Belt drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
-
- 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
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools
-
- 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
- F02B75/02—Engines characterised by their cycles, e.g. six-stroke
- F02B2075/022—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle
- F02B2075/027—Engines characterised by their cycles, e.g. six-stroke having less than six strokes per cycle four
Abstract
Description
Claims (4)
- 오일탱크(40)를 구비한 핸드헬드형 4사이클 엔진의 밸브작동기구로서, 이 밸브작동기구가, 크랭크축(13)에 연결된 타이밍전동장치(22a)와, 이 타이밍전동장치(22a)의 피동회전부재(24)의 회전력을 실린더헤드에 장착된 흡기 및 배기밸브(18i, 18e)에 개폐력으로서 전달하는 캠장치(22b)로 이루어진 핸드헬드형 4사이클 엔진의 밸브작동기구에 있어서,타이밍전동장치(22a)를 엔진본체(1)의 일측에 배치하여, 캠장치(22b)를 실린더헤드(8)의 일측에서 타이밍전동장치(22a)의 피동회전부재(24)에 결합되는 캠(26)과, 실린더헤드(8)에 회전이 자유롭게 지지되는 흡기 및 배기로커축(31i, 31e)과, 이들 로커축(31i, 31e)의 각 일단부에 고착하여 선단부를 캠(26)에 미끄럼 접합시키는 흡기 및 배기캠 피동자(32i, 32e)와, 흡기 및 배기로커축(31i, 31e)의 각 타단부에 고착해서 선단부를 흡기 및 배기밸브(18i, 18e)에 맞닿게 하는 흡기 및 배기로커암(33i, 33e)으로 구성하고,오일탱크(40)에 연속해 있는 제1밸브작동실(21a)과 제2밸브작동실(21b)과의 사이를 칸막이하도록 구획하는 격벽(85)을 설치하고, 제1밸브작동실(21a)에는 캠(26), 흡기 및 배기캠 피동자(32i, 32e)를 배설하고, 제2밸브작동실(21b)에는 흡기 및 배기밸브(18i, 18e), 흡기 및 배기로커암(33i, 33e)을 배설하고, 흡기 및 배기로커축(31i, 31e)을 상기 격벽(85)에 회전이 자유롭게 지지한 것을 특징으로 하는 4사이클 엔진의 밸브작동기구.
- 제1항에 있어서, 상단을 개방하여 타이밍전동장치(22a)를 수용하는 벨트안내통(86)을 실린더헤드(8)에 일체적으로 연속 설치하여, 이들 실린더헤드(8) 및 벨트안내통(86)에, 타이밍전동장치(22a) 및 캠장치(22b)를 상방에서 덮는 헤드커버(36)를 접합하고, 그 접합부 보다 상방에 피동회전부재(24) 및 캠(26)을 지지하는 지축(29) 및 로커축(31i, 31e)을 배치한 것을 특징으로 하는 4사이클 엔진의 밸브작동기구.
- 제1항에 있어서, 상기 캠(26)을, 엔진본체(1)에 양단을 회전이 자유롭게 지지되는 지축(29)의 중간부에 회전이 자유롭게 지지하는 것을 특징으로 하는 4사이클 엔진의 밸브작동기구.
- 제3항에 있어서, 상기 캠(26)에, 이 캠(26)과 동시에 상기 지축(29)에 지지되는 상기 타이밍전동장치(22a)의 피동풀리인 피동회전부재(24))를 일체적으로 형성하고, 이 타이밍전동장치(22a)를 윤활오일(O)을 저류(貯留)함과 동시에 그 오일을 비산시키는 오일슬링거(56a, 56b)를 수용한 오일탱크(40)내에 임하게 한 것을 특징으로 하는 4사이클 엔진의 밸브작동기구.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000276459A JP3881830B2 (ja) | 2000-09-12 | 2000-09-12 | ハンドヘルド型四サイクルエンジンの動弁機構 |
JPJP-P-2000-00276459 | 2000-09-12 | ||
JPJP-P-2000-00329934 | 2000-10-30 | ||
JP2000329934A JP4371563B2 (ja) | 2000-10-30 | 2000-10-30 | エンジンの動弁機構 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020021045A KR20020021045A (ko) | 2002-03-18 |
KR100428497B1 true KR100428497B1 (ko) | 2004-04-28 |
Family
ID=26599753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0056082A KR100428497B1 (ko) | 2000-09-12 | 2001-09-12 | 4사이클 엔진의 밸브작동기구 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6539904B2 (ko) |
EP (1) | EP1186750B1 (ko) |
KR (1) | KR100428497B1 (ko) |
CN (1) | CN1177993C (ko) |
AU (1) | AU763420B2 (ko) |
CA (1) | CA2357136C (ko) |
DE (1) | DE60127049T2 (ko) |
TW (1) | TW495581B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8714130B2 (en) * | 2009-10-19 | 2014-05-06 | Nagesh S. Mavinahally | Integrally cast block and upper crankcase |
US9181883B2 (en) | 2013-01-18 | 2015-11-10 | Nagesh S. Mavinahally | Four cycle engine carburetors |
CN103277166B (zh) * | 2013-06-17 | 2016-06-08 | 苏州科瓴精密机械科技有限公司 | 四冲程发动机 |
JP6252144B2 (ja) | 2013-12-06 | 2017-12-27 | スズキ株式会社 | 内燃機関のブローバイガス処理装置 |
DE102014201247A1 (de) * | 2014-01-23 | 2015-07-23 | Schaeffler Technologies AG & Co. KG | Trägermodul für einen Ventiltrieb einer Brennkraftmaschine |
JP6725269B2 (ja) * | 2016-03-09 | 2020-07-15 | 本田技研工業株式会社 | オーバーヘッドカムシャフト式エンジン |
CN109252947B (zh) * | 2018-09-30 | 2023-10-20 | 苏州帕瓦麦斯动力有限公司 | 一种四冲程发动机及由其带动的永磁发电机组 |
DE102019212457B4 (de) * | 2019-08-21 | 2021-03-25 | Vitesco Technologies GmbH | Verfahren und Vorrichtung zur Leckage-Diagnose einer Kurbelgehäuseentlüftungsleitung einer Kurbelgehäuseentlüftungsvorrichtung für eine Brennkraftmaschine |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5706769A (en) * | 1994-09-07 | 1998-01-13 | Honda Giken Kogyo Kabushiki Kaisha | OHC engine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3319794B2 (ja) * | 1993-01-18 | 2002-09-03 | 本田技研工業株式会社 | 内燃機関のsohc型動弁装置 |
JP3172103B2 (ja) | 1996-10-29 | 2001-06-04 | 本田技研工業株式会社 | エンジンの動弁機構潤滑装置 |
JPH10246106A (ja) * | 1997-03-03 | 1998-09-14 | Kioritz Corp | 4サイクル内燃エンジン |
DE19800904A1 (de) * | 1998-01-14 | 1999-07-15 | Stihl Maschf Andreas | Verbrennungsmotor für ein tragbares, handgeführtes Arbeitsgerät |
JP2000161074A (ja) | 1998-11-27 | 2000-06-13 | Kioritz Corp | 4サイクル内燃機関 |
CA2301298C (en) * | 1999-03-19 | 2002-09-24 | Rodney J. Balzar | Drive train for overhead cam engine |
-
2001
- 2001-09-06 DE DE60127049T patent/DE60127049T2/de not_active Expired - Lifetime
- 2001-09-06 US US09/946,956 patent/US6539904B2/en not_active Expired - Lifetime
- 2001-09-06 EP EP01121363A patent/EP1186750B1/en not_active Expired - Lifetime
- 2001-09-07 AU AU68797/01A patent/AU763420B2/en not_active Expired
- 2001-09-11 TW TW090122473A patent/TW495581B/zh not_active IP Right Cessation
- 2001-09-11 CA CA002357136A patent/CA2357136C/en not_active Expired - Lifetime
- 2001-09-12 CN CNB011328932A patent/CN1177993C/zh not_active Expired - Lifetime
- 2001-09-12 KR KR10-2001-0056082A patent/KR100428497B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5706769A (en) * | 1994-09-07 | 1998-01-13 | Honda Giken Kogyo Kabushiki Kaisha | OHC engine |
Also Published As
Publication number | Publication date |
---|---|
US6539904B2 (en) | 2003-04-01 |
DE60127049T2 (de) | 2007-06-21 |
AU6879701A (en) | 2002-03-14 |
AU763420B2 (en) | 2003-07-24 |
TW495581B (en) | 2002-07-21 |
DE60127049D1 (de) | 2007-04-19 |
CA2357136C (en) | 2006-04-18 |
KR20020021045A (ko) | 2002-03-18 |
EP1186750B1 (en) | 2007-03-07 |
CN1343831A (zh) | 2002-04-10 |
EP1186750A1 (en) | 2002-03-13 |
CN1177993C (zh) | 2004-12-01 |
CA2357136A1 (en) | 2002-03-12 |
US20020033153A1 (en) | 2002-03-21 |
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