Helicopter rotor brake device

Details Helicopter rotor brake device Helicopter rotor brake device

1995-01-04

1996-06-25

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Having clutch or brake means

192 531, 192 693, B64C 1100

Patent

active

055294596

ABSTRACT:
A helicopter rotor brake device includes a fixed casing. A shaft is supported in a rotationally free manner inside the casing and is rotatably connectable to the rotor. A pair of first friction disks connected to the casing. A hub is fitted integral with a second friction disk interposed axially between the first friction disks and cooperates in a sliding manner with the same when loaded axially. A clutch is interposed between the shaft and the hub and is movable between an idle position corresponding to a rotational disconnection of the hub and the shaft, and an operating position corresponding to a rotational connection of the hub and the shaft.

REFERENCES:
patent: 1739946 (1929-12-01), Carhart
patent: 2393398 (1946-01-01), Nabstedt
patent: 2465538 (1949-03-01), Jensen
patent: 2738045 (1956-03-01), Mergan et al.
patent: 3679033 (1972-07-01), Wagner
patent: 4376614 (1983-03-01), Woodruff
patent: 4642029 (1987-02-01), Cedoz
US 7041387 (NASA) Whole document filed Apr. 23, 1987.
Search report listing references.

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