Rotary pump having vanes guided by bearing blocks

Details Rotary pump having vanes guided by bearing blocks Rotary pump having vanes guided by bearing blocks

1987-06-25

1989-08-22

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

With movable partition

418235, 418261, F04C 18344

Patent

active

048591637

ABSTRACT:
The rotary machine, for example an air pump, has two rotors and vanes carried by the rotors within a housing, to pump fluid between an inlet and an outlet on opposite sides of the housing. The vanes are guided by tracks, so that the vanes are withdrawn flush with the rotor surfaces at a contact line between the rotors. In one embodiment, ends of the vanes are carried in carriers by means of bearing blocks. The carriers rotate at an average speed equal to that of the rotors, to reduce the movement of the ends of the vanes. The mechanism can be employed in a single rotor machine.

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