F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 15/26 (2006.01) F02B 61/04 (2006.01) F02B 67/06 (2006.01) F02B 75/20 (2006.01) F02B 77/00 (2006.01) F02B 75/02 (2006.01) F02B 75/18 (2006.01)
Patent
CA 2274514
Integrally fastening a cylinder block 6 and a crankcase 7 together by dividing the cylinder block 6 and the crankcase 7 at a dividing surface 31 passing through the center of a crankshaft 15 vertically arranged and screwing a bolt 32 inserted from the crankcase 7 side in the cylinder block 6. The bolt 32 fastening the crankcase 7 to the cylinder block 6 is prevented from interfering with a pair of left and right secondary balancer shafts 37, 38 by supporting both the secondary balancer shafts by the cylinder block 6, but not by the crankcase 7 to increase the degree of freedom of the layout of both the secondary balancer shafts 37, 38.
L'invention consiste à attacher de façon monobloc un bloc-cylindres (6) et un carter (7) en divisant le bloc-cylindres (6) et le carter (7) au niveau de la face de division (31) passant par le centre du vilebrequin (15) disposé verticalement, puis à visser un boulon (32) inséré dans le bloc-cylindres (6), à partir du côté du carter (7). Ce boulon (32) permettant de fixer le carter (7) au bloc-cylindres (6) ne gêne en aucun cas une paire de volants de vilebrequin secondaires, droit et gauche (37, 38), étant donné que l'on fait supporter cette paire de volants par le bloc-cylindres (6) et non par le carter (7), afin d'augmenter le degré de liberté de l'implantation des deux volants de vilebrequin secondaires (37, 38).
Sakata Shigekazu
Tsunoda Masaki
Honda Giken Kogyo Kabushiki Kaisha
Smart & Biggar
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