MY149289A - Decompression unit of engine - Google Patents

Decompression unit of engine

Info

Publication number
MY149289A
MY149289A MYPI20090328A MYPI20090328A MY149289A MY 149289 A MY149289 A MY 149289A MY PI20090328 A MYPI20090328 A MY PI20090328A MY PI20090328 A MYPI20090328 A MY PI20090328A MY 149289 A MY149289 A MY 149289A
Authority
MY
Malaysia
Prior art keywords
decompression
cam
camshaft
engine
decompression unit
Prior art date
Application number
MYPI20090328A
Inventor
Koji Kobayashi
Teruhide Yamanishi
Kenji Oki
Original Assignee
Honda Motor Co Ltd
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 Honda Motor Co Ltd filed Critical Honda Motor Co Ltd
Publication of MY149289A publication Critical patent/MY149289A/en

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
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L13/08—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during starting; for changing compression ratio
    • 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
    • F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
    • F01L1/047—Camshafts
    • F01L1/053—Camshafts overhead type
    • F01L2001/0535—Single overhead camshafts [SOHC]
    • 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
    • F01L2305/00—Valve arrangements comprising rollers
    • 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
    • F02F1/00—Cylinders; Cylinder heads 
    • F02F1/24—Cylinder heads
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)

Abstract

[PROBLEM) IN A DECOMPRESSION UNIT OF AN ENGINE IN WHICH AN EXHAUST ROTATABLY SUPPORTED BY A CYLINDER HEAD IS PROVIDED WITH AN EXHAUST CAM AND IN WHICH A DECOMPRESSION WEIGHT TURNABLY SUPPORTED BY THE CAMSHAFT VIA A DECOMPRESSION PIN HAVING AN AXIS PARALLEL TO THE CAMSHAFT HAS A DECOMPRESSION CAM CONNECTED THERETO, THE DECOMPRESSION CAM BEING ABLE TO PROTRUDE FROM THE BASE CIRCULAR PORTION OF THE EXHAUST CAM, THE DECOMPRESSION UNIT IS MADE COMPACT SO AS TO REDUCE THE SIZE OF THE CYLINDER [SOLUTION] A DECOMPRESSION PIN (55) IS ARRANGED INSIDE THE OUTER PERIPHERY OF THE HIGH PROTRUDING PORTION (40B) OF AN EXHAUST CAM (40) WHEN VIEWED FROM THE AXIAL DIRECTION OF THE CAMSHAFT (30).
MYPI20090328A 2008-01-29 2009-01-23 Decompression unit of engine MY149289A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008018071A JP5014181B2 (en) 2008-01-29 2008-01-29 Engine decompression device

Publications (1)

Publication Number Publication Date
MY149289A true MY149289A (en) 2013-08-15

Family

ID=40945482

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20090328A MY149289A (en) 2008-01-29 2009-01-23 Decompression unit of engine

Country Status (5)

Country Link
JP (1) JP5014181B2 (en)
KR (1) KR101036533B1 (en)
CN (1) CN101498231B (en)
BR (1) BRPI0901740B1 (en)
MY (1) MY149289A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5446919B2 (en) * 2010-01-22 2014-03-19 スズキ株式会社 4 cycle engine decompression device
JP2011202625A (en) * 2010-03-26 2011-10-13 Honda Motor Co Ltd Decompression device arrangement structure for engine
CN102877910A (en) * 2012-10-17 2013-01-16 四川银钢一通凸轮轴股份有限公司 Decompression mechanism of engine and engine
JP6089575B2 (en) * 2012-10-18 2017-03-08 スズキ株式会社 Decompression parts of decompression equipment
JP2015224580A (en) 2014-05-27 2015-12-14 ヤマハ発動機株式会社 Engine and vehicle
CN105370338B (en) * 2014-08-22 2018-09-25 牛刚学 The executing agency of internal-combustion engine reliever
CN104696039B (en) * 2015-03-11 2017-08-01 重庆交通大学 Engine decompression starting formula air distributing device
JP6673986B2 (en) * 2018-07-18 2020-04-01 本田技研工業株式会社 Internal combustion engine
CN109026258A (en) * 2018-08-16 2018-12-18 广州大运机车有限公司 A kind of decompressor of engine
JP7225667B2 (en) * 2018-10-19 2023-02-21 スズキ株式会社 Decompression device
TWM580123U (en) * 2018-11-30 2019-07-01 光陽工業股份有限公司 Decompression device of internal combustion engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5141973Y2 (en) * 1972-09-04 1976-10-13
JP3435951B2 (en) * 1995-12-15 2003-08-11 スズキ株式会社 4-cycle engine decompression device
WO1998030788A1 (en) * 1997-01-14 1998-07-16 Briggs & Stratton Corporation Compression release for multi-cylinder engines
JP4208329B2 (en) * 1999-03-09 2009-01-14 本田技研工業株式会社 Decompression device for 4-cycle internal combustion engine
JP2002115518A (en) 2000-10-10 2002-04-19 Suzuki Motor Corp Decompression structure of engine
JP2002122012A (en) 2000-10-13 2002-04-26 Fuji Heavy Ind Ltd Decompression device for engine
JP4180447B2 (en) * 2003-06-04 2008-11-12 本田技研工業株式会社 Decompression device for internal combustion engine

Also Published As

Publication number Publication date
BRPI0901740B1 (en) 2021-01-12
CN101498231B (en) 2012-01-11
JP5014181B2 (en) 2012-08-29
KR20090083270A (en) 2009-08-03
KR101036533B1 (en) 2011-05-24
JP2009180104A (en) 2009-08-13
CN101498231A (en) 2009-08-05
BRPI0901740A2 (en) 2010-04-13

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