Ships – Torpedoes – Depth regulation
Patent
1961-03-07
1982-04-06
Brown, David H.
Ships
Torpedoes
Depth regulation
114 23, F42B 1904
Patent
active
043230253
ABSTRACT:
1. In a homing torpedo, in combination: means for providing a target search hase of torpedo operation wherein said torpedo is controlled to change depth between predetermined search floor and search ceiling depths and simultaneously controlled to circle in azimuth, whereby to execute helical search action; means for switching, in response to target acquisition at any time during a search phase of torpedo operation, to a target pursuit phase of torpedo operation; and means for switching, in the event of and in response to target loss continuing for a predetermined period in a target pursuit phase, to a modified search phase of torpedo operation wherein said torpedo is initially controlled to execute circle search action while maintaining depth position at substantially that at which target loss occurred, for a predetermined period accommodating at least a complete azimuth circling turn, then controlled to revert to helical search action.
REFERENCES:
patent: 2980048 (1961-04-01), Jones et al.
patent: 2996027 (1961-08-01), Cooke
patent: 2997971 (1961-08-01), Dickieson
patent: 2997972 (1961-08-01), Abrams
patent: 3015297 (1962-01-01), Supernau
patent: 3054371 (1962-09-01), Lynch
patent: 3064609 (1962-11-01), Cooke et al.
Fisher Seth G.
Kowalyshyn Stephen
Brown David H.
Johnston E. F.
Muller V. C.
Sciascia R. S.
The United States of America as represented by the Secretary of
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