Fluidic pulser

Details Fluidic pulser Fluidic pulser

1979-09-25

1981-07-07

Novosad, Stephen J.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

137810, 137812, 175 45, 175 48, 175 50, 340861, 367 83, E21B 4712, F15C 116

Patent

active

042769434

ABSTRACT:
A fluid telemetry system is disclosed which utilizes an improved pulsing ice. The pulser comprises a bistable fluid amplifier. Both outlets of the bistable fluid amplifier communicate tangentially with a vortex chamber. A pulse in the fluid entering the amplifier may be produced each time the fluid flow is diverted from one outlet to the other.

REFERENCES:
patent: 3209774 (1965-10-01), Manion
patent: 3238960 (1966-03-01), Hatch, Jr.
patent: 3244370 (1966-04-01), Colston
patent: 3302457 (1967-02-01), Mayes
patent: 3373759 (1968-03-01), Adams
patent: 3511255 (1970-05-01), Bauer
patent: 3534756 (1970-10-01), Swartz
patent: 3739979 (1973-06-01), Hanada et al.
patent: 3958217 (1976-05-01), Spinnler
patent: 3964556 (1976-06-01), Gearhart et al.
patent: 4000757 (1977-01-01), Freeman

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