Fluid handling – Flow affected by fluid contact – energy field or coanda effect – Means to cause rotational flow of fluid
Patent
1977-02-02
1978-05-09
Cline, William R.
Fluid handling
Flow affected by fluid contact, energy field or coanda effect
Means to cause rotational flow of fluid
137813, 239404, F15C 116
Patent
active
RE0296244
ABSTRACT:
This invention relates to a fluid-distribution apparatus in which one main fluid inlet flow is divided substantially equally between a number of outlets for example as the feeding of a plurality of burners on a gas turbine engine from a single fuel supply. At low total flow rates the difference in height of the various outlets can adversely effect the equality of distribution of liquid between the outlets and it is known to provide a restrictor in series with each outlet to improve the flow division between the outlets. However, where there is a large range of flow rates, the simple restrictors which are effective at low flow rates will cause a very substantial pressure loss at high flow rates. Further a simple restrictor essentially involves a passage of small cross-section which can become blocked by solid particles within the liquid. The present invention substitutes vortex chamber devices for the simple restrictors, arranged to provide a predetermined unique relation between flow rate and pressure drop to ensure effective equalization at low flow rates and to require only a moderate pressure drop at high flow rates. The vortex chamber devices further are less liable to blockage by solid particles.
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patent: 3276259 (1966-10-01), Bowles et al.
patent: 3410291 (1968-11-01), Boothe et al.
patent: 3478960 (1969-11-01), Taylor
patent: 3513865 (1970-05-01), Van Der Heyden
patent: 3592213 (1971-07-01), Smith
patent: 3638672 (1972-02-01), Smith
Cline William R.
Dowty Fuel Systems Limited
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