05437308 is referenced by 49 patents and cites 12 patents.

A device for remotely actuating a piece of equipment by varying the flow conditions of a fluid, possibly incompressible, an comprising an actuating piston, a nozzle-needle assembly. One of the nozzle or the needle is mounted for sliding movement into the piston. An arrangement is provided for returning the slidably mounted nozzle or needle to a predetermined position relatively to the piston.

Title
Device for remotely actuating equipment comprising a bean-needle system
Application Number
459284
Publication Number
5437308
Application Date
October 19, 1993
Publication Date
August 1, 1995
Inventor
Jean Boulet
Paris
FR
Christian Bardin
Rueil Malmaison
FR
Pierre Morin
Levallois Perret
FR
Agent
Antonelli Terry Stout & Kraus
Assignee
Institut Francais du Petrole
FR
IPC
F15D 1/02
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