Positive displacement screw machine with separation wall attache

Details Positive displacement screw machine with separation wall attache Positive displacement screw machine with separation wall attache

1985-03-20

1986-04-01

Smith, Leonard E.

Rotary expansible chamber devices

Adjustable working chamber peripheral wall controls working...

418195, 418201, F01C 302, F01C 116

Patent

active

045795134

ABSTRACT:
In a screw volumetric machine, a slide is slidable in a groove along a bore accommodating the screw. This slide is movable to vary the delivery and/or compression ratio. One end of the groove communicates with the low pressure. The other end of the groove communicates with the high pressure. A separation wall separates the two pressures behind the slide. The slide is leak-tightly urged against a free end of the separation wall by holding means which slidingly retain the slide in the groove.

REFERENCES:
patent: 3013770 (1961-12-01), Anderson
patent: 3088659 (1963-05-01), Nilsson et al.
patent: 3151806 (1964-10-01), Whitfield
patent: 3314597 (1967-04-01), Schibbye
patent: 3904322 (1975-09-01), Axelsson
patent: 4005949 (1977-02-01), Grant
patent: 4234296 (1980-11-01), Matsubara
patent: 4455131 (1984-06-01), Werner-Larsen

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