Hydraulically operated winch units

Details Hydraulically operated winch units Hydraulically operated winch units

1988-06-06

1990-02-06

Peters, Jr., Joseph F.

Aeronautics and astronautics

Landing field arrangement

Mooring devices

254361, B64F 112

Patent

active

048983446

ABSTRACT:
An aircraft handling system comprises a plurality of hydraulically operated winches, each winch having a wire for connection to the aircraft. Each winch also has a dedicated hydraulic pumpset positioned in proximity thereto. An electrical control unit effects co-operating operation of the winches in order to effect the desired movement and control of the aircraft. The tension in the wire of at least one of said winches is detected, and in response thereto an electrical signal is transmitted to the control unit. An electrical control signal is then transmitted from the control unit to the other winch or winches in order to control the tension in their wires in relation to the wire tension detected in the first winch.

REFERENCES:
patent: 3481584 (1969-12-01), Conry et al.
patent: 3679180 (1972-07-01), Callaghan
patent: 4169580 (1979-10-01), Hatlapa et al.
patent: 4488693 (1984-12-01), Brandt et al.
patent: 4558790 (1985-12-01), Bruce-Walker
Fairey's Helicopter, "Bear Traps", Interavia, Apr. 1965, pp. 530-531.

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