Low-wear frictionally engaging device

Details Low-wear frictionally engaging device Low-wear frictionally engaging device

1981-08-05

1987-12-29

Bonck, Rodney H.

192 clutches and power-stop control

Elements

Engaging surfaces

188251A, 188251M, F16D 1360, F16D 6502, F16D 6902

Patent

active

047154861

ABSTRACT:
A frictionally engaging device, such as a disc brake, includes a first and a second friction element which engage one another as the device is operated to reduce the extent of and/or eliminate relative movement between these elements. The first element consists of an organically bonded friction material suffering relatively more pronounced wear, and the second element is made of a metallic material, especially iron, which suffers lesser wear in operation. The extent of wear of the first element is reduced by applying a coating of a particulate material, especially such deposited by high kinetic energy impacting of the particles, on the frictional surface of the second element which cooperates with the first element. The coating advantageously contains metals, such as cobalt, chromium and/or nickel, and/or metal carbides, especially those of tungsten and chromium.

REFERENCES:
patent: 3038563 (1956-10-01), Boegehold
patent: 3042168 (1962-07-01), Binder
patent: 3890105 (1975-06-01), Weissmann et al.
patent: 3967037 (1976-06-01), Marzocchi et al.
patent: 4089682 (1978-05-01), Saito et al.
patent: 4091904 (1978-05-01), Beyer
patent: 4180622 (1979-12-01), Burkhard et al.
patent: 4212376 (1980-07-01), Enright et al.

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