Access apparatus connecting a first and second chamber at great

Details Access apparatus connecting a first and second chamber at great Access apparatus connecting a first and second chamber at great

1988-02-19

1990-02-27

Corbin, David H.

Hydraulic and earth engineering

Diving

Underwater docking or mooring

405192, B63C 1134

Patent

active

049041177

ABSTRACT:
Access apparatus between a first and second chamber (1, 2) located at greater water depths, which chambers have equal pressure, lower than the water pressure, particularly an access apparatus (4) between an underwater vessel (1) and a chamber (2) at an installation on the seabed. The invention is characterized in that it comprises first and second concentric tubular elements (7, 5) designed for engagement as a telescopic cylinder, a hydraulic system for controlled actuation of the telescopic cylinder and at least on the free end of the first tubular element (7), a spherical mounted mating flange (12).

REFERENCES:
patent: 1952080 (1934-03-01), Lake
patent: 1963996 (1934-06-01), Lake
patent: 1969941 (1934-08-01), Pegg
patent: 3640079 (1972-02-01), Le Therisien et al.
patent: 3656771 (1972-03-01), Greene
patent: 3739589 (1973-06-01), Wolfe

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