F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 53/10 (2006.01) F04B 1/20 (2006.01)
Patent
CA 2061727
A manual hydraulic helm pump (10) for actuating a remote submerged steering element in a boat includes a drive shaft (26) rotatably supported in a housing (12). A rotary cylinder block (32) disposed in the housing (12) is fixed to the drive shaft and includes a plurality of axial compression chambers (40). The cylinder block (32) is supported at one end by a roller bearing (34) and at the other end by the drive shaft (26), Each of the compression chambers (40) include a slidable piston (42) biased outwardly against an angular swash plate (50). A pigot-type timing valve (52) is nonrotatably supported within the cylinder block. A transfer valve (59) is fixed relative to the housing (12). A pair of tubular connector sleeves (72a, 72b) movably interconnect the timing valve (52) and the transfer valve (59). O-ring seals (71a, 71b) are provided at each end of the two connector sleeves (72a, 72b) for maintaining a fluid tight seal while permitting the timing valve (52) to minutely orbit relative to the transfer valve (59).
Pompe hydraulique manuelle (10) pour actionner à distance le gouvernail d'une embarcation comportant un arbre de commande (26) en libre rotation sur un palier dans le corps (12) de la pompe. Un bloc-cylindres rotatif (32), solidaire de l'arbre de commande, comporte une pluralité de chambres de compression axiales (40). Une des extrémités du bloc-cylindres (32) est supportée par un roulement à rouleaux (34), l'autre extrémité prend appui sur l'arbre de commande (26). Chacune des chambres de compression (40), comporte un piston (42) maintenu en appui par compression d'un ressort sur un plateau incliné fixe (50). Un distributeur du type à ergot (52) est en position fixe à l'intérieur du bloc-cylindres. Une soupape de transfert (59) est en position fixe par rapport au corps de pompe (12). Une paire de manchons de raccordement mobiles (72a, 72b) relie le distributeur à la soupape de transfert (59). Des joints toriques (71a, 71b) garnissent les extrémités des deux manchons de raccordement (72a, 72b) pour assurer l'étanchéité du corps de pompe et permettre un léger mouvement orbital du distributeur (52) par rapport à la soupape de transfert (59).
Fetchko Eric Bertrand
Mcbeth James Brian
Marine Acquisition Corp.
Smart & Biggar
LandOfFree
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