Rotary passage

Details Rotary passage Rotary passage

1994-12-16

1995-10-31

Chambers, A. Michael

Fluid handling

Systems

With running joint between movable parts of system

285136, F16L 2708

Patent

active

054620830

ABSTRACT:
The present invention relates to a rotary passage for passing liquids and/or other media between a rotary member (1) and a stationary member (2). The rotary passage according to the invention is characterized in that the rotary member (1) and the stationary member (2) comprise hollow-cylindrical sections (59, 10, 16) respectively lamellarly interlaced in pairs, with two rotary passage stages being formed in that sliding surfaces (3, 3', 4, 4') have provided thereon a plurality of horizontal annular channels (6, 11) which extend in parallel with each other and which respectively interconnect feed lines (7,1 2) of the rotary member (1) to discharge lines (8, 13) of the stationary member (2), and that all of the annular channels (6, 11) of the two rotary passage stages have each assigned thereto upper and lower insulation means (14, 15) on the sliding surface (3, 4).

REFERENCES:
patent: 3062151 (1962-11-01), Eickmann
patent: 4683912 (1987-08-01), Dubrosky
patent: 4848400 (1989-07-01), Grant et al.
patent: 4921010 (1990-08-01), Spirer
patent: 5052436 (1991-10-01), Bauch et al.
patent: 36626723 (1972-05-01), Lorence

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