Rotary fluid machine

Details Rotary fluid machine Rotary fluid machine

2006-08-29

2006-08-29

Trieu, Theresa (Department: 3748)

Rotary expansible chamber devices

Positively actuated vane

Fluid biased

C418S144000, C418S195000, C091S494000

Reexamination Certificate

active

07097437

ABSTRACT:
A rotary fluid machine is provided that includes a rotor chamber (14), a rotor (41), vanes (48) guided by vane channels formed in the rotor (41), and pistons (47) slidably fitted in cylinders (44) provided in the rotor (41). Rollers (71) provided on support shafts (48d) of the vane (48) are rollably engaged with annular channels (74) of a casing (11) so as to interconvert reciprocation of the pistons (47) and rotational movement of the rotor (41). By capturing water of a hydrostatic bearing, which supports the vane (48) in the vane channel in a floating state, by a U-shaped lubricating water guide channel (43g) formed on the end face of a rotor segment (43) and discharging it into the annular channels (74), the water is prevented from flowing into the rotor chamber (14) and decreasing the temperature of steam, thereby preventing the output of the rotary fluid machine from being degraded.

REFERENCES:
patent: 3585904 (1971-06-01), White
patent: 3627456 (1971-12-01), Gerlach
patent: 4518069 (1985-05-01), Elias
patent: 6629829 (2003-10-01), Shinoda et al.
patent: 1 113 175 (2000-07-01), None
patent: 60-131690 (1985-09-01), None
patent: 8-200268 (1996-08-01), None
patent: 2000-320543 (2000-11-01), None
patent: 2003097207 (2003-04-01), None
patent: WO 00/53926 (2000-03-01), None

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