US 4,951,587 AGranted

Recovery system for a training torpedo

AssigneeHoneywell Inc.

InventorsDwight J. Warner, Wayne B. Christenson

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Abstract

A recovery apparatus for a training torpedo built to replicate an operational torpedo. The training torpedo is an elongated hollow housing substantially similar in shape to an operational torpedo. The nose portion is a shell having a forward and aft portion, the forward portion being a cylindrical cavity extending longitudinally into the shell. A cylindrically shaped piston is adapted to be inserted into cylindrical cavity of the shell. The piston has a forward and a rear portion, the forward portion being a pressure receiving surface. The piston is able to move forward and aft with respect to the shell. Attached to the piston is a retaining means. When a pressure is imposed upon the forward portion of the piston the piston moves aft and the retaining means releases a plurality of weights. Located between the piston and the shell is a damping means. The damping means acts as a counter force to the pressure on the pressure receiving surface of the piston.

Claims6

Dependent claims

A recovery apparatus for a training torpedo, said training torpedo being an elongated hollow cylindrical housing replicating the housing of an operational torpedo with a nose portion and an aft portion, said recovery apparatus comprising:

(a) a cylindrical shell, said shell comprising said nose portion of said training torpedo and having forward and aft sections, said forward section having a centrally located cylindrical cavity extending longitudinally into said shell;
(b) a piston with a front portion and a rear portion, said front portion having a pressure receiving surface, said piston being adapted to be inserted into said cylindrical cavity, and said piston being movable forward and aft with respect to said shell;
(c) a retaining means attached to said piston and to a plurality of weights, said retaining means releasing said weights upon said piston moving aft a preselected distance with respect to said shell;
and
(d) a damping means located between said rear portion of said piston and said aft section of said shell, said damping means acting as a counter force with respect to said pressure on said forward portion of said piston.

2 more elements

Dependencies are inferred from the claim text.