Improved efficiencies for piston engines or machines

F - Mech Eng,Light,Heat,Weapons – 02 – B

Patent

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F02B 75/24 (2006.01)

Patent

CA 2622215

Disclosed are crankshaft, single-plate cam and beam mechanisms that provide significant improvements in performance for 2 & 4-stroke engines, compressors and pumps. These cost effective mechanisms include linkages with the new and improved use of pivoting arms that operate with a variety of cylinder arrangements. One embodiment of the crankshaft mechanism has its crankpin roller positioned within a novel yoke-arm. The cam mechanism uses a pair of centrally positioned parallel links that are connected to roller cam followers and single or diametrically-opposed pistons. A pair of laterally extending follower arms connects to the ends of the links to provide support and alignment for the piston rods. Between the reciprocating links, cam followers and follower arms is a rotating odd-lobe plate cam. A beam mechanism uses opposite-direction extending balancing beams that are connected to links, cam followers and piston rods.

La présente invention a trait à de mécanismes de vilebrequin, de came monodisque et de levier fournissant des améliorations considérables dans la performance de moteurs à deux et à quatre temps, de compresseurs et de pompes. Ces mécanismes économiques comportent des transmissions avec la nouvelle utilisation améliorée de bras pivotants qui fonctionnent selon divers agencements de cylindres. Un mode de réalisation du mécanisme de vilebrequin comporte un galet de maneton positionné avec un nouveau bras de fourche. Le mécanisme de came utilise une paire de bielles parallèles en position centrale qui sont reliées aux galets de came et à un ou des pistons diamétralement opposés. Une paire de bras de galets suiveurs s'étendant latéralement relie les extrémités des bielles pour assurer un support et un alignement des tiges de piston. Entre les bielles à mouvement alternatif, des galets de came et des bras de galets se trouve une came à disque à lobe excentrique. Un mécanisme de levier utilise des leviers d'équilibrage s'étendant en sens opposés qui sont reliés aux bielles, aux galets de came et aux tiges de piston.

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