effective compression ratioとは 意味・読み方・使い方

Variable control of an effective compression ratio is attained by a variable compression ratio mechanism for varying a mechanical compression ratio (nominal compression ratio) of an internal combustion engine and a variable valve mechanism for varying an intake valve closing timing.例文帳に追加

内燃機関の機械的圧縮比（公称圧縮比）を変化させる可変圧縮比機構と、吸気弁閉時期を変化させる可変動弁機構と、によって、有効圧縮比の可変制御が可能となっている。 - 特許庁

At acceleration, although the set effective compression ratio becoming a target is reduced, the actual compression ratio is delayed/varied by delaying of operation of the variable compression ratio mechanism and the variable valve mechanism.例文帳に追加

加速時には、目標となる設定有効圧縮比を低下させるが、実際の有効圧縮比は、可変圧縮比機構や可変動弁機構の作動遅れにより遅れて変化する。 - 特許庁

Especially, the valve closing timing of the exhaust valve 9 is varied so that in the low load operating range, the effective compression ratio is made higher, and as the load becomes high, the effective compression ratio is lowered.例文帳に追加

特に、負荷が小さい運転領域では有効圧縮比を高め、負荷が大きくなるに従い有効圧縮比を低くするように、排気弁９の弁閉時期を変更する。 - 特許庁

Meanwhile, when the hydrogen fuel is used, the effective compression ratio is reduced in the whole area (a1) of the middle and high rotation areas.例文帳に追加

一方、水素燃料を使用するときには、中、高回転域の全域(a1)で有効圧縮比を低下させる。 - 特許庁

The engine body is thereby operated while maintaining high torque and fuel economy with the effective compression ratio set to 13 or more.例文帳に追加

有効圧縮比を１３以上とした高いトルクと燃費を維持したまま、エンジン本体が運転される。 - 特許庁

To rapidly and effectively suppress preignition despite response delay of control for decreasing an effective compression ratio.例文帳に追加

有効圧縮比を低下させる制御の応答遅れにかかわらず、プリイグニッションを迅速かつ効果的に抑制する。 - 特許庁

The enhancement of the compression may be carried out: by driving a crank shaft by an electric motor; by changing a valve-opening phase or a valve-closing phase of a suction valve such that an effective compression ratio is increased; or by changing a lift of the inlet valve such that the effective compression ratio is increased.例文帳に追加

圧縮助勢はクランク軸を電動機にて駆動すること、吸気弁の開弁位相または閉弁位相を有効圧縮比が増大するように変更すること、吸気弁のリフトを有効圧縮比が増大するように変更すること等によりなされてよい。 - 特許庁

A variable valve mechanism 11 for changing the valve lift characteristic of an inlet valve 5 is used to correct the closing timing of the inlet valve to a delay side during changing the compression ratio to decrease an effective compression ratio.例文帳に追加

吸気弁５のバルブリフト特性を変更する可変動弁機構１１を用い、圧縮比切換え過程のときに、吸気弁閉時期を遅角側へ補正して、有効圧縮比を低下させる。 - 特許庁