Method and a screw machine for processing fluid under high press

Details Method and a screw machine for processing fluid under high press Method and a screw machine for processing fluid under high press

1988-11-30

1990-02-13

Vrablik, John J.

Rotary expansible chamber devices

Methods

418 99, 418153, 418195, F01C 120, F01C 502, F01C 2104

Patent

active

049002392

ABSTRACT:
A screw (1) rotates inside a bore (2a) of a casing and meshes with teeth (6) of a pinion or gate-rotor (7) comprised of a sealing portion (8) supported by a support portion (9). The sealing portion (8) has a limited angular play with respect to the support portion (9). This allows the sealing portion to undergo brief but abrupt accelerations or decelerations independently of the support portion (9). In order to allow frictionless angular displacement between the two portions liquid is injected between them at a moderate pressure when each tooth is out of engagement with the screw.

REFERENCES:
patent: 3133695 (1964-05-01), Zimmern
patent: 3551082 (1970-12-01), Zimmern
patent: 3788784 (1974-01-01), Zimmern

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