Fixed geometry water jet inlet for a surface effect ship

Details Fixed geometry water jet inlet for a surface effect ship Fixed geometry water jet inlet for a surface effect ship

1977-11-25

1979-12-04

Butler, Douglas C.

Ships

Building

Antifriction surfaces

115 12R, B63H 1102

Patent

active

041766130

ABSTRACT:
A water jet inlet as used in a surface effect ship, cavitation free environment is provided of a fixed round or rectangular inlet geometry, within the confines of inlet velocity ratios pertaining to the ship velocity immersion design profile. An additional embodiment is disclosed that enables the instant invention to operate at a range of drop fractions, including negative drop fractions, and allows for a truly flush inlet, resulting in minimizing the drag of the ship and potential ingestion of large floating debris.

REFERENCES:
patent: 3598080 (1971-08-01), Shields
patent: 3877408 (1975-04-01), Crowder
patent: 3981262 (1976-09-01), DeVault et al.
patent: 4090459 (1978-05-01), Chaplin

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