Transducer for converting linear energy to rotational energy

F - Mech Eng,Light,Heat,Weapons – 01 – B

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F01B 9/08 (2006.01)

Patent

CA 2202149

A transducer includes a linear input power source (12) connected to a connecting rod (24) in turn connected to output drive shafts (30 & 36) through one-way clutches (28 & 40), with the output drive shafts being interconnected through gears (32 & 40) such that when one shaft is powered, the other is coasting. The power source includes multiple stern powered cylinders (16 & 94). Inlet and outlet valves (44) for each cylinder chamber are controlled by an actuator (56) which instantaneously snaps the valves between open and closed positions. The power cylinders (16 & 94) may be operated individually, in parallel or in series and as required, a valve passageway through the piston (18) may be operated to equalize pressure. A pair of O-rings (121) on the piston (18) engage the cylinder wall only when the adjacent chamber is pressurized, thereby reducing drag in operation of the piston.

Un transducteur comprend une source d'énergie d'entrée linéaire raccordée à une tige (24), elle-même raccordée à des arbres de sortie (30 et 36) traversant des embrayages unidirectionnels (28 et 40), les arbres de sortie étant interconnectés par des pignons (32 et 40) de façon à ce qu'un arbre soit actionné, l'autre continuant à marcher par inertie. La source d'énergie comprend plusieurs cylindres arrières (16 et 94). Les soupapes d'admission et d'évacuation (44) de chaque chambre de cylindre sont commandées par un actionneur (56) qui déplace instantanément les soupapes entre des positions ouvertes et fermées. Les cylindres (16 et 94) peuvent être actionnés individuellement, en parallèle ou en série, et si besoin, un passage ménagé dans le soupape et traversant le piston (18) permet d'égaliser la pression. Une paire de joints toriques (121) se trouvant sur le piston (18) viennent en contact avec la paroi du cylindre uniquement lorsque la chambre adjacente est sous pression, ce qui réduit la traînée du piston en fonctionnement.

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