Dec 19, 2006 07:07
17 yrs ago
Japanese term
変換角拡大
Japanese to English
Tech/Engineering
Automotive / Cars & Trucks
engines
フリクション低減やC-VTC変換角拡大などのため新規部品を投入したが、排気システムなどで原価低減したのでほとんど変わりません。
Improvements made to an engine to improve fuel efficiency. Any help would be appreciated.
Thanks,
Ben
Improvements made to an engine to improve fuel efficiency. Any help would be appreciated.
Thanks,
Ben
Proposed translations
(English)
| 3 | Vary the phasing angle |
snowbees
|
| 2 | expanding the degree of variation/increasing the conversion angle |
Duncan Adam
|
| 1 | expand a range of valve timing (angle) |
ishigami
|
| 1 | variable phase angle |
V N Ganesh
|
Proposed translations
3 days 14 hrs
Selected
Vary the phasing angle
Cam phasing VVT varies valve timing by shifting the phase angle of the camshaft. At high engine speeds, the inlet camshaft phasing can be rotated in advance to enable earlier intake, increasing the amount of valve overlap. This is controlled by the engine management system, and actuated by hydraulic valve gears.
Phasing change is either continuous or fixed. Continuous systems normally vary the phasing angle between 0 and 40 or more degrees according to engine load and speed requirements. Fixed phasing systems alter phasing by a specific angular value at a specific speed and load condition.
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Note added at 3 days14 hrs (2006-12-22 21:41:57 GMT)
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See Variable Valve Timing:
http://cdxetextbook.com/engines/comp/vlves/09.html
Phasing change is either continuous or fixed. Continuous systems normally vary the phasing angle between 0 and 40 or more degrees according to engine load and speed requirements. Fixed phasing systems alter phasing by a specific angular value at a specific speed and load condition.
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Note added at 3 days14 hrs (2006-12-22 21:41:57 GMT)
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See Variable Valve Timing:
http://cdxetextbook.com/engines/comp/vlves/09.html
4 KudoZ points awarded for this answer.
Comment: "Thanks for your help. Sorry to be so slow in following up.
Best,
Ben"
1 hr
Duncan Adam
United Kingdom
United Kingdom
Native in English
Works in field
United Kingdom
Dr. Duncan Adam, Japanese specialist
Native in: English (Variants: Canadian, Scottish, Australian, British, New Zealand, US, Wales / Welsh, Irish, UK) 
Works in: Japanese to English
Related KudoZ points
:
4
expanding the degree of variation/increasing the conversion angle
My translation is a bit clumsy and you can probably improve it, but I *think* what is meant is that, since CVTC is a system for varying the opening and closing times of the valves to increase fuel efficiency, by allowing more variation they achieved greater efficiency.
But you might want a second opinion on this one!
But you might want a second opinion on this one!
18 hrs
expand a range of valve timing (angle)
C-VTC→Continuous-Valve Timing Control
http://www.nissan-global.com/EN/DOCUMENT/PDF/TECHNOLOGY/tech...
http://www.nissan-global.com/EN/DOCUMENT/PDF/TECHNOLOGY/tech...
2 hrs
variable phase angle
just a guess
Variable valve timing allows the phase angle on both cams to be varied by 50°, ... double continuous variable valve timing on the inlet and exhaust; ...
www.worldcarfans.com/.../newsID/2060615.007/page/5/country/... - 60k
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Note added at 3 days1 hr (2006-12-22 08:10:04 GMT)
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Like VVT-i, the variable valve timing is implemented by shifting the phase angle of the whole camshaft forward or reverse by means of a hydraulic actuator ...
www.autozine.org/technical_school/engine/vvt_31.htm - 18k
Variable valve timing allows the phase angle on both cams to be varied by 50°, ... double continuous variable valve timing on the inlet and exhaust; ...
www.worldcarfans.com/.../newsID/2060615.007/page/5/country/... - 60k
--------------------------------------------------
Note added at 3 days1 hr (2006-12-22 08:10:04 GMT)
--------------------------------------------------
Like VVT-i, the variable valve timing is implemented by shifting the phase angle of the whole camshaft forward or reverse by means of a hydraulic actuator ...
www.autozine.org/technical_school/engine/vvt_31.htm - 18k
Discussion
http://press.nissan-global.com/JP/CORPORATE/PDF/PRODUCT_PRES...
http://en.wikipedia.org/wiki/Nissan_VQ_engine#VQ35DE
http://www.nissan-global.com/EN/NEWS/2005/_STORY/050908-01-e...
http://www.nissanusa.com/z/specifications_coupe.html