Velocity probe for compressor surge control

Details Velocity probe for compressor surge control Velocity probe for compressor surge control

1974-10-03

1976-01-06

Raduazo, Henry F.

Rotary kinetic fluid motors or pumps

Method of operation

415 11, 415118, 73194R, F01D 2114

Patent

active

039307425

ABSTRACT:
A method and apparatus for sensing the velocity of a fluid flow, especially within the boundary layer of a fluid flow path through a compressor. A reference flow under constant pressure is established through an orifice dividing two plenum chambers, and directed through a flow sensing opening in a probe positioned in the flow to be sensed. The flow sensing opening is slightly larger than the orifice. A relative pressure indicator connected to the two plenum chambers indicates the velocity of the sensed fluid flow. The flow sensing opening is arranged so that the normal reference flow of fluid therethrough is in the same direction as the normally expected flow direction of the flow to be sensed.

REFERENCES:
patent: 1834392 (1931-12-01), Fechheimer
patent: 3240422 (1966-03-01), Pettersen et al.
patent: 3248043 (1966-04-01), Taplin et al.
patent: 3638490 (1972-02-01), Buettner
patent: 3677000 (1972-07-01), Thomson
patent: 3759098 (1973-09-01), Logsdon et al.
patent: 3846038 (1974-11-01), Curriere et al.
patent: 3875797 (1975-08-01), Zweng

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