JPS6410768B2 - - Google Patents
Info
- Publication number
- JPS6410768B2 JPS6410768B2 JP13267780A JP13267780A JPS6410768B2 JP S6410768 B2 JPS6410768 B2 JP S6410768B2 JP 13267780 A JP13267780 A JP 13267780A JP 13267780 A JP13267780 A JP 13267780A JP S6410768 B2 JPS6410768 B2 JP S6410768B2
- Authority
- JP
- Japan
- Prior art keywords
- crank angle
- engine
- torque
- friction torque
- friction
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 10
- 238000012545 processing Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/08—Testing internal-combustion engines by monitoring pressure in cylinders
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Engines (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13267780A JPS5757235A (en) | 1980-09-24 | 1980-09-24 | Measuring method for friction torque of engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13267780A JPS5757235A (en) | 1980-09-24 | 1980-09-24 | Measuring method for friction torque of engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5757235A JPS5757235A (en) | 1982-04-06 |
JPS6410768B2 true JPS6410768B2 (en]) | 1989-02-22 |
Family
ID=15086918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13267780A Granted JPS5757235A (en) | 1980-09-24 | 1980-09-24 | Measuring method for friction torque of engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5757235A (en]) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59153143A (ja) * | 1983-02-21 | 1984-09-01 | Toshiba Mach Co Ltd | 回転精度測定装置 |
EP0615117A3 (en) | 1993-03-08 | 1995-01-11 | Yamaha Motor Co Ltd | Method and device for torque detection of an engine. |
JPH1151816A (ja) * | 1997-08-01 | 1999-02-26 | Ono Sokki Co Ltd | エンジンの簡易状態モニタ装置 |
JP2010163992A (ja) * | 2009-01-16 | 2010-07-29 | Toyota Motor Corp | ハイブリッド車両の制御装置 |
CN103879565A (zh) * | 2012-12-23 | 2014-06-25 | 中航贵州飞机有限责任公司 | 飞机地面试车参数检测装置 |
JP6261347B2 (ja) * | 2013-03-12 | 2018-01-17 | 泰三 嶋田 | エンジンの摩擦損失測定方法およびエンジンの駆動状態検出方法 |
-
1980
- 1980-09-24 JP JP13267780A patent/JPS5757235A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5757235A (en) | 1982-04-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4525781A (en) | Method of determining fluctuations in indicated mean effective pressure of engine and apparatus therefor | |
CA1222317A (en) | Method of determining engine cylinder compression pressure and power output | |
CN1138976C (zh) | 探测内燃机中点火不良的方法和实现所述方法的系统 | |
US5915272A (en) | Method of detecting low compression pressure responsive to crankshaft acceleration measurement and apparatus therefor | |
US4691288A (en) | Torque sensor for internal-combustion engine | |
US5157965A (en) | Method and apparatus for diagnosing internal combustion engines | |
US8256278B2 (en) | Engine misfire detection systems and methods using discrete fourier transform approximation | |
US10378468B2 (en) | Misfire detecting apparatus for internal combustion engine | |
JP6029726B1 (ja) | 内燃機関の制御装置 | |
JPH0130098B2 (en]) | ||
US5832404A (en) | Device for detecting misfiring in a multi-cylinder internal combustion engine | |
JPH0362210B2 (en]) | ||
US4550595A (en) | Torque measurement circuit and method | |
US6745621B1 (en) | Measuring twist due to torque in a ratating shaft | |
US4158305A (en) | Method for dynamically timing an apparatus | |
JP2606019B2 (ja) | 内燃機関の失火検出装置 | |
JPS6410768B2 (en]) | ||
US4520658A (en) | Method of locating engine top dead center position | |
US5503009A (en) | Method for recognizing irregular combustions in a cylinder of an internal combustion engine | |
US4453402A (en) | Method and apparatus for determining the position of a piston in the cylinder of a reciprocating engine | |
JPH08165950A (ja) | エンジンの燃焼状態検出装置 | |
JP2559516B2 (ja) | 内燃機関の燃焼状態検出装置 | |
Yang et al. | Diesel engine misfire fault diagnosis based on instantaneous speed | |
JPH0461292B2 (en]) | ||
JPH04238233A (ja) | 内燃機関の出力算出方法 |