Fluid rotary machine

Details Fluid rotary machine Fluid rotary machine

F - Mech Eng,Light,Heat,Weapons

01

C

F01C 1/328 (2006.01) F01C 1/46 (2006.01) F04C 2/328 (2006.01) F04C 2/46 (2006.01) F04C 18/328 (2006.01) F04C 18/46 (2006.01)

Patent

CA 2374991

A fluid rotary machine (10) includes an inner housing (12) provided with a manifold (68) for directing working fluid through the machine (10) and an outer housing (14) coupled to the inner housing (12) so that the outer housing (14) can rotate relative to the inner housing (12). A plurality of swinging gates (16) are supported along one longitudinal edge in corresponding sockets (38) formed along the inner circumferential surface (32) of outer housing (14). A plurality of elongated lobes (30) are supported on and evenly spaced about the inner housing (12). There is one intake port (24) and one exhaust port (26) between adjacent lobes (30). The gates (16) are biased so as to ordinarily seal against the inner housing (12). High pressure fluid enters through the inlet port (24) to a region between a lobe (30) and gate (16) causing the outer housing (14) to rotate. Eventually the gate (16) wipes across an exhaust port (26) venting the high pressure fluid through the exhaust port. The gate (16) is then lifted from the surface of the inner housing (12) by contact with the next lobe (30).

L'invention concerne une machine hydraulique rotative (10) qui comprend un boîtier intérieur (12) muni d'un collecteur (68) pour faire circuler le liquide de travail dans la machine (10) et un boîtier extérieur (14) couplé au boîtier intérieur (12) et tournant relativement à ce dernier. Plusieurs portes oscillantes (16) sont disposées le long d'un bord longitudinal dans des douilles (38) correspondantes formées le long de la surface circonférencielle intérieure (32) du boîtier extérieur (14). Plusieurs arêtes (30) allongées sont disposées à intervalles régulier sur le pourtour du boîtier intérieur (12). Un liquide à haute pression pénètre par l'orifice d'admission (24) d'une zone située entre les arêtes (30) et la porte (16) et provoque la rotation du boîtier extérieur (14). Par la suite, la porte (16) balaye un orifice d'échappement (26) pour évacuer le liquide à haute pression à travers cet orifice. La porte (16) est ensuite levée de la surface du boîtier intérieur (12) lorsqu'elle entre en contact avec l'arête (30) suivante.

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