Multifeature safety motor control for diver propulsion vehicle

Details Multifeature safety motor control for diver propulsion vehicle Multifeature safety motor control for diver propulsion vehicle

1994-11-21

1996-04-23

Basinger, Sherman

Ships

Submersible device

Diver assistance device

440 1, 440 6, B63G 800

Patent

active

055093728

ABSTRACT:
A manually operable safety control for use by a diver utilizing an electric motor for propulsion, the safety control serving to automatically prevent an unsafe powered ascent of the diver. This novel safety control comprises a motor control operatively associated with the electric motor, with the safety control utilizing at least a portion of a dive computer interconnected with the motor control. The dive computer has a pressure sensitive device responsive to changes in depth and serving to calculate rate of change of depth, with the computer being operatively connected to the motor control. The motor control is deprived of electric power in the event of the diver ascending too rapidly. In accordance with one embodiment of my invention, the safety control may utilize only the ascent limiter, but another embodiment may also comprise at least one tilt activated switch interconnected with the motor control and serving to automatically prevent an unsafe horizontal operation of the vehicle. The tilt activated switch, upon the vehicle assuming an unsafe horizontal angularity, causes the motor control to deprive the propulsion motor of electric power.

REFERENCES:
patent: 3916814 (1975-11-01), Bardoni et al.
patent: 4051846 (1977-10-01), McClure, III
patent: 4192001 (1980-03-01), Villa
patent: 4843998 (1989-04-01), Parker
patent: 4864959 (1989-09-01), Takamizawa et al.
patent: 5292269 (1994-03-01), Plost et al.
patent: 5365868 (1994-11-01), Culotta

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