Valves and valve actuation – With material guide or restrictor – Movable or resilient guide or restrictor
Patent
1975-10-06
1977-08-30
Rosenthal, Arnold
Valves and valve actuation
With material guide or restrictor
Movable or resilient guide or restrictor
251126, 138 43, 138 46, F16K 4706
Patent
active
040449912
ABSTRACT:
A high energy loss fluid flow control device comprises a housing having an annular wall with an inlet adjacent one end and an outlet adjacent the other end. The housing wall includes an inside surface formed with a continuous helical land and groove defining at least a part of a helical flow passage between the inlet and outlet. A valve member is mounted in the housing for movement toward and away from the inlet and has an outer surface formed with a continuous helical land and groove also defining at least a part of the helical flow passage extending between opposite ends of the member. The land of the valve member projects into the groove of the housing and the land of the housing wall projects into the groove of the valve member forming the continuous helical flow passage extending between the inlet and outlet and means is provided for supporting the valve member in the housing for relative rotation to move toward and away from the inlet to lengthen or shorten the continuous flow passage as desired.
REFERENCES:
patent: 1754138 (1930-04-01), Agee
patent: 2038229 (1936-04-01), Martin et al.
patent: 2293143 (1942-08-01), Johnston
patent: 2341394 (1944-02-01), Sloan
patent: 2402729 (1946-06-01), Buchanan
patent: 2658529 (1953-11-01), Hensley
patent: 3095006 (1963-06-01), Smith
Kent's Mechanical Engineer's Handbook, Jan. 1946 Edition, pp. 13-14.
Consolidated Controls Corporation
Rosenthal Arnold
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