Snubber-bearing with combined elastomer laminates

Details Snubber-bearing with combined elastomer laminates Snubber-bearing with combined elastomer laminates

1992-07-01

1993-02-23

Kwon, John T.

Fluid reaction surfaces (i.e., impellers)

Articulated, resiliently mounted or self-shifting impeller...

Nonmetallic resilient mounting

416140, 2671404, B64C 2735

Patent

active

051885131

ABSTRACT:
A snubber set (30) for a helicopter rotor (10) is comprised of an inner race (44), an intermediate race (45), a preload plate (46), an inner portion (48) having alternating laminates of elastomer (52) and metal shims (54) which are spherically shaped, and an outer portion (50) having alternating laminates of elastomer (58) and metal shims (60) which are flat. The flat laminates (58) are comprised of a center portion (61) made from a high loss elastomer and a peripheral portion (62) made from a high shear strength elastomer.

REFERENCES:
patent: 3504905 (1970-04-01), Irwin
patent: 3606295 (1971-09-01), Appleton
patent: 3610610 (1971-10-01), Chassagne
patent: 3806106 (1974-04-01), Hamel et al.
patent: 4105266 (1978-08-01), Finney
patent: 4244677 (1981-01-01), Noehren et al.
patent: 4256354 (1981-03-01), Peterson
patent: 4886419 (1989-12-01), McCafferty
patent: 4895354 (1990-01-01), Byrnes
patent: 4986735 (1991-01-01), Robinson

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