Choke unit

Details Choke unit Choke unit

1984-08-06

1985-10-01

Scott, Samuel

Valves and valve actuation

With selective flow regulation

Rotary

251176, F16K 4706

Patent

active

045441308

ABSTRACT:
The essential part of an adjustable choke for compressed air and other fluids is made up of two relatively turning disks of which one has a calibrated channel in it running round the axis of the disks. By relative turning of the disks the fluid is caused to flow along different lengths of the channel in keeping with the desired choking action. The two disks are mounted within a housing, with a spring keeping them pressed together. The housing has a bell-like cover in which one of the disks is keyed and sealed at the disk's outer edge with the spring between it and the top of the cover in a chamber. The other disk is mounted on a base of the housing. There is a central pillar in the housing that joins the cover to the base and contains a duct by which is supplied into the chamber through a hole in the one disk, into the channel, through the other disk and then out through the base of the housing. The cover may be turned for turning the one disk in relation to the other.

REFERENCES:
patent: 1315741 (1919-09-01), Pranold
patent: 2572950 (1951-10-01), Rider
patent: 4205822 (1980-06-01), Bernat
patent: 4380250 (1983-04-01), Stoll

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