Variable flow outlet valves

Details Variable flow outlet valves Variable flow outlet valves

1976-10-22

1978-07-25

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251209, 251368, 181258, F16K 510

Patent

active

041023579

ABSTRACT:
A variable flow air outlet valve is provided, e.g. for admitting conditioned air to an aircraft cockpit, comprising two relatively rotatable parts relative rotation of which progressively varies the length of the path that the air must follow through the valve before reaching the outlet so that the outlet flow is changed due to change in the amount of viscous drag the air is subjected to inside the valve. In this way change in the outlet flow is achieved without noise-producing turbulence. The path for the air within the valve extends through varying lengths of a body of foraminous material such as a reticulated foam material.

REFERENCES:
patent: 2687746 (1954-08-01), Argentieri
patent: 3292897 (1966-12-01), McClelland
patent: 3574310 (1971-04-01), Souriau
patent: 3693659 (1972-09-01), Parola

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