Oil pressure operated pump for marine steering gears

B - Operations – Transporting – 63 – H

Patent

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Details

B63H 25/12 (2006.01) B63H 25/30 (2006.01) F04B 1/04 (2006.01) F04B 1/20 (2006.01) F04B 9/14 (2006.01) F04B 23/02 (2006.01) F04B 49/24 (2006.01)

Patent

CA 2427032

An oil pressure operated pump for marine steering gears includes a multiple piston oil pressure operated pump controlled by a steering wheel, a valve housing mounted under the pump, a bottom cover closing the valve, the valve housing and the cover each including channels, threaded holes for reciprocal fastening thereof, non-threaded bores for oil pressure connections, a valve set lodged in the valve housing for non-return and adjustment of oil flow, the valve set including a generally parallelepiped shaped tubular shell having a generally external square shape, a central tubular through-hole, and lathe-turned ducts, a double acting oil pressure cylinder including a shaft movable in the central tubular through-hale for controlling a direction of an engine or rudder of a boat, and valves for controlling fluid flow and thereby movement of the shaft.

Cette invention concerne une pompe à pression d'huile pour appareils à gouverner de marine. Elle comprend une pompe à pression d'huile à pistons multiples commandée par une barre; un compartiment de soupape monté sous la pompe et un couvercle de fond qui ferme la soupape. Le compartiment et le couvercle présentent des cannelures; des trous taraudés pour l'assemblage de ces pièces; des trous non taraudés pour les connexions de mise en pression de l'huile; et un jeu de clapets logés dans le compartiment de soupape pour assurer le non-retour et le réglage du débit d'huile. Le jeu de clapets comprend une enveloppe tubulaire, généralement en forme de parallélépipède et d'extérieur carré; un trou de passage tubulaire central; des conduits façonnés sur tour; un cylindre à huile à double effet muni d'un arbre mobile dans le trou de passage pour régler la direction d'un moteur ou d'un gouvernail; et des soupapes pour régler le débit de liquide et régler ainsi le mouvement de l'arbre.

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