Afr.とは 意味・読み方・使い方

A means is provided which calculates a cylinder inflow required fuel amount fc based on the cylinder residual fuel amount fr so that the air-fuel ratio AFRe of exhaust gas discharged from the inside of the cylinder becomes the target air-fuel ratio AFR.例文帳に追加

筒内残留燃料量frに基づいて、筒内から排出される排出ガスの空燃比AFReが目標空燃比AFRとなるように、筒内流入要求燃料量fcを算出する手段を設ける。 - 特許庁

To reduce the amount of SOx stored in the NOx catalyst, a target air-fuel ratio TGT of exhaust gas flowing into the NOx catalyst is switched to a rich air-fuel ratio AFR and maintained at the rich air-fuel ratio AFR only for a rich time tR.例文帳に追加

ＮＯ_Ｘ触媒内に蓄えられているＳＯ_Ｘの量を減少させるために、ＮＯ_Ｘ触媒内に流入する排気ガスの目標空燃比ＴＧＴをリッチ空燃比ＡＦＲに切り替えると共に、リッチ時間ｔＲだけリッチ空燃比ＡＦＲに保持する。 - 特許庁

In idling during a warm up, when an air-fuel ratio AFR exceeds a predetermined upper limit AFRUPR, a target idle rotational frequency is increased by the predetermined rotational frequency (an idle rotational frequency correction amount Nup of S14), and the air-fuel ratio AFR is lowered by increasing a fuel injection quantity.例文帳に追加

暖機中のアイドル運転時において、空燃比ＡＦＲが所定の上限値ＡＦＲＵＰＲを上回った場合に、目標アイドル回転数を所定回転数（Ｓ１４のアイドル回転数補正量Ｎｕｐ）増加させて、燃料噴射量を増量することにより、空燃比ＡＦＲを低下させる。 - 特許庁

The rich air-fuel ratio AFR is set on the basis of the rich time tR so that the amount of hydrocarbon flowing out of the NOx catalyst may not exceed an allowable upper limit hydrocarbon amount.例文帳に追加

リッチ空燃比ＡＦＲを、ＮＯ_Ｘ触媒から流出する炭化水素の量が許容上限炭化水素量を越えないように、リッチ時間ｔＲに基づいて設定する。 - 特許庁

It calculates temperatures in a cylinder P2, T2 at a compression top dead center based on the intake pressure Pin and an intake temperature Tin (S28 to S29) and calculates knocking limit air-fuel ratio AFR and stability limit air-fuel ratio AFL based on these values (S30).例文帳に追加

そして、吸気圧Ｐｉｎ、吸気温Ｔｉｎから圧縮上死点の筒内温度Ｐ２、Ｔ２を算出し（Ｓ２８〜Ｓ２９）、これらに基づいてノッキング限界空燃比ＡＦＲ、安定度限界空燃比ＡＦＬを算出する（Ｓ３０）。 - 特許庁

A shaping apparatus 10 is provided with an AFR (allowed frame rate) calculation circuit 11, scheduled transmission time (OTIME) calculation circuit 12, a transmission judging circuit 13, a queuing destination judging circuit 14, a frame buffer management circuit 15, a receiving interface 16, and a transmitting interface 17.例文帳に追加

シェーピング装置１０は、ＡＦＲ計算回路１１と、送信予定時刻（ＯＴＩＭＥ）計算回路１２と、送信判定回路１３と、キューイング先判定回路１４と、フレームバッファ管理回路１５と、受信インタフェース１６と、送信インタフェース１７とを備える。 - 特許庁

When the air/fuel ratio of the engine becomes temporarily richer than a prescribed air/fuel ratio AFR, the control of the air/fuel ratio to make the absorbed and stored oxygen quantity OSA equal to the target absorbed and stored oxygen quantity OSAref is suspended, and the control based on the theoretical air/fuel ratio is executed for a prescribed period of time (time t2-t5).例文帳に追加

また、機関の空燃比が所定のリッチ空燃比ＡＦＲより一時的にリッチとなると、上記酸素吸蔵量ＯＳＡが目標酸素吸蔵量ＯＳＡrefと等しくなるように行う機関の空燃比制御を中止し、所定時間だけ理論空燃比による制御を行う（時刻ｔ２〜ｔ５の実線）。 - 特許庁