Hydraulic screw machine with balance plunger

Details Hydraulic screw machine with balance plunger Hydraulic screw machine with balance plunger

1978-09-12

1980-12-30

Vrablik, John J.

Rotary expansible chamber devices

Interengaging rotating members

Helical or herringbone

418197, 291564R, F03C 208, F04C 216, F04C 1500

Patent

active

042420679

ABSTRACT:
A hydraulic screw machine comprises a driving screw and at least one impeller screw with a balance plunger at its end. The thread of the impeller screw is complete with full depth all the way to the balance plunger. The length of the plunger is less than the width in the axial direction of the thread groove in the driving screw. The balance plunger is mounted on an axial pin on the end of the impeller screw.

REFERENCES:
patent: 2321696 (1943-06-01), Montelius
patent: 2693763 (1954-11-01), Sennet
patent: 4028025 (1977-06-01), Lonnebring

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