V形機関の起振モーメントに関する研究 : 第1報,V形6気筒機関の起振モーメントについて

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rights: 本文データは社団法人日本機械学会の許諾に基づきCiNiiから複製したものであるRecently a new compact VR6 engine was developed by the Volkswagen Company in Germany. The bank angle is 10°to 20°Thus narrow angles have changed the concept of the bank angle. Hence this paper presents a new analytical method of exciting moments of a V-type engine. The traditional method enabled estimation of the exciting moments after the bank angle was decided, but our new method enables determination of the number of cylinders and all the combinations of cylinder arrangement. Then the most suitable bank angles are determined for balance of the engine under these conditions, or the exciting moments are estimated by making the bank angle a parameter. First, we describe the precession dynamics which are unavoidable in a V-type engine, and we give concrete examples of V6 and VR6 engines. The reduction of exciting moments is investigated to the 1st and 2nd orders. As a result, we may find previously unknown bank angles. Furthermore, the exciting moment of a V-type engine can be discussed systematically.
社団法人日本機械学会の論文
1993-07-25