Spinning pump having an adapter with a radial groove

Details Spinning pump having an adapter with a radial groove Spinning pump having an adapter with a radial groove

1991-03-04

1992-06-02

Bertsch, Richard A.

Rotary expansible chamber devices

Combined

418133, 418270, 285368, 277206R, F04C 214

Patent

active

051182670

ABSTRACT:
A spinning pump (1) connected to a spinning pump block (2) by means of fastening screws (3) comprises a base plate (4) in contact with the connection face (11) of the spinning pump block (2), one or more gear plate (5), a cover plate (6), a drive shaft (7), an inlet channel (8) as well as outlet channels (9) for the spinning fluid, the channels (8, 9) are aligned with corresponding channels of the spinning pump block (2). The fastening screws (3) traverse through passage bores (12) an adapter part (15) connected with the cover plate (6) as well as plates (6,5,4) and are screwed into threaded bores (13) in the spinning pump block (2). The adapter part (15) has a groove (16) disposed parallel to the contact plane of base plate (4) and connection face (11), the depth of the groove being at least so great that the passage bores (12) lie in the region of the groove (16), and is at most so great that the outer limiting line or lines of the projection of the remaining area of the adapter part (15) lying in the plane of groove (16) embraces or embrace, in the plane in which lie the contact points of base plate (4) and connection face (11), the intersections of the inlet and outlet channels (8,9) with that plane. The spinning pump (1) permits a good seal at the contact face of base plate (4) and connection face (11) also at high melt pressure.

REFERENCES:
patent: 1968110 (1934-07-01), Walker
patent: 3123012 (1964-03-01), Gilreath
patent: 3627455 (1971-12-01), Nasvytis
patent: 4080121 (1978-03-01), Goloff et al.
patent: 4477087 (1984-10-01), Sutter, Jr. et al.
patent: 4530526 (1985-07-01), Dopyfra et al.
patent: 4767138 (1988-08-01), Schafbuch

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