JP6611343B2 - 携帯式のエンジン作業機 - Google Patents
携帯式のエンジン作業機 Download PDFInfo
- Publication number
- JP6611343B2 JP6611343B2 JP2016079686A JP2016079686A JP6611343B2 JP 6611343 B2 JP6611343 B2 JP 6611343B2 JP 2016079686 A JP2016079686 A JP 2016079686A JP 2016079686 A JP2016079686 A JP 2016079686A JP 6611343 B2 JP6611343 B2 JP 6611343B2
- Authority
- JP
- Japan
- Prior art keywords
- rotational speed
- internal combustion
- combustion engine
- throttle valve
- rotation
- 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.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 claims description 52
- 239000004677 Nylon Substances 0.000 description 13
- 229920001778 nylon Polymers 0.000 description 13
- 230000001133 acceleration Effects 0.000 description 12
- 230000003247 decreasing effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
-
- 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
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0097—Electrical control of supply of combustible mixture or its constituents using means for generating speed signals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1012—Engine speed gradient
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/06—Small engines with electronic control, e.g. for hand held tools
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P1/00—Installations having electric ignition energy generated by magneto- or dynamo- electric generators without subsequent storage
- F02P1/08—Layout of circuits
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Harvester Elements (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
2 内燃エンジン
2a スロットルバルブ
4 スロットルレバー(スロットル調整装置)
12 制御装置
Claims (5)
- 携帯式のエンジン作業機(1)であって、
スロットルバルブ(2a)を有する内燃エンジン(2)と、
前記内燃エンジン(2)のスロットルバルブ(2a)の開度を調整するスロットル調整装置(4)と、
前記内燃エンジン(2)に設けられた制御装置(12)と、を有し、
前記制御装置(12)は、前記内燃エンジン(2)の少なくとも1回転ごとの回転速度及び回転速度変動量を検出するように構成され、前記回転速度変動量が所定の値(26、28)よりも大きいとき、前記スロットルバルブ(2a)が部分開であると判定することを特徴とするエンジン作業機(1)。 - 前記回転数変動量は、回転速度変動率、所定の個数の連続する回転の間の、連続する2つの回転の回転速度の差の最大値、所定の個数の連続する回転の間の、各回転における回転速度の最大値と最小値の差、又は、所定の個数の連続する回転の間の、連続する2つの回転の回転速度の差の累積量であることを特徴とする請求項1に記載のエンジン作業機(1)。
- 前記所定の値(26)は、前記回転速度の帯域ごとに異なることを特徴とする請求項1又は2に記載のエンジン作業機(1)。
- 前記所定の値(26、28)は、前記回転速度が大きくなるにつれて大きくなることを特徴とする請求項1に記載のエンジン作業機(1)。
- 前記制御装置(12)は、前記スロットルバルブ(2a)が部分開であると判定した後、前記内燃エンジン(2)の点火タイミングを遅角させることを特徴とする請求項1〜4に記載のエンジン作業機(1)。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016079686A JP6611343B2 (ja) | 2016-04-12 | 2016-04-12 | 携帯式のエンジン作業機 |
US15/485,426 US10247165B2 (en) | 2016-04-12 | 2017-04-12 | Handheld engine-driven working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016079686A JP6611343B2 (ja) | 2016-04-12 | 2016-04-12 | 携帯式のエンジン作業機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017190697A JP2017190697A (ja) | 2017-10-19 |
JP6611343B2 true JP6611343B2 (ja) | 2019-11-27 |
Family
ID=59999019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016079686A Active JP6611343B2 (ja) | 2016-04-12 | 2016-04-12 | 携帯式のエンジン作業機 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10247165B2 (ja) |
JP (1) | JP6611343B2 (ja) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6952877B2 (en) | 2003-01-10 | 2005-10-11 | Shindaiwa, Inc. | Vegetation cutting device |
JP2005016436A (ja) * | 2003-06-26 | 2005-01-20 | Honda Motor Co Ltd | 芝刈り機用エンジンの回転数制御装置 |
CN100557229C (zh) * | 2005-07-01 | 2009-11-04 | 胡斯华纳有限公司 | 启动安全点火系统 |
JP2013086559A (ja) * | 2011-10-13 | 2013-05-13 | Yamaha Motor Co Ltd | 船舶推進機 |
DE102012024840A1 (de) * | 2012-12-19 | 2014-06-26 | Andreas Stihl Ag & Co. Kg | Verfahren zum Betrieb eines Verbrennungsmotors in einem handgeführten Arbeitsgerät |
US9404461B2 (en) * | 2013-05-08 | 2016-08-02 | Ford Global Technologies, Llc | Method and system for engine starting |
DE102013021832A1 (de) * | 2013-12-21 | 2015-06-25 | Andreas Stihl Ag & Co. Kg | Verfahren zum Betrieb eines handgeführten Arbeitsgeräts mit einem Verbrennungsmotor |
JP6233018B2 (ja) * | 2013-12-27 | 2017-11-22 | 日立工機株式会社 | エンジン作業機 |
WO2016105258A1 (en) * | 2014-12-23 | 2016-06-30 | Husqvarna Ab | Assembly and method for safe starting of an internal combustion engine |
-
2016
- 2016-04-12 JP JP2016079686A patent/JP6611343B2/ja active Active
-
2017
- 2017-04-12 US US15/485,426 patent/US10247165B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017190697A (ja) | 2017-10-19 |
US10247165B2 (en) | 2019-04-02 |
US20170292490A1 (en) | 2017-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7171942B2 (en) | Protective engine speed control for a centrifugal clutch | |
JP6313966B2 (ja) | 手で操縦される作業機における内燃エンジンの作動方法 | |
US20120297631A1 (en) | Working apparatus and a method for operating same | |
JP2007046495A (ja) | 作業機用エンジンの回転数制御装置 | |
JP4024299B2 (ja) | 車両における負荷変化衝撃を低減するための方法および装置 | |
JPH06207572A (ja) | 車両駆動トレインの振動抑圧方法 | |
JP2015008693A (ja) | エンジン作業機 | |
JP2005163616A (ja) | エンジン回転数制御装置 | |
JP6611343B2 (ja) | 携帯式のエンジン作業機 | |
CN108367369B (zh) | 手持式动力工具、相关控制系统及其使用以及控制所述工具的方法 | |
JP6233018B2 (ja) | エンジン作業機 | |
US7048670B2 (en) | Engine control method and device for a vehicle | |
EP3237739B1 (en) | Internal combustion engine and method for safe starting the same | |
JP2005155412A (ja) | 内燃機関の出力トルク制御装置 | |
JP6459532B2 (ja) | エンジン作業機 | |
EP3387249B1 (en) | Hand-held power tool and thereto related control system and use and method of controlling | |
JP7108472B2 (ja) | エンジン駆動式刈払機 | |
JP7158936B2 (ja) | 携帯式のエンジン作業機 | |
JP6730867B2 (ja) | 内燃エンジンによって駆動される刈払機 | |
JP6544436B2 (ja) | エンジン作業機 | |
JP7176097B2 (ja) | 2ストロークエンジン制御 | |
EP1283358A2 (en) | Engine control method and device for a vehicle | |
JP2017048756A (ja) | エンジン点火装置 | |
JPH05149158A (ja) | 自動二輪車の速度制御装置 | |
JP2006170037A (ja) | コンクリートカッタの制御装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20170427 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20191024 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20191023 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20191028 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6611343 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |