Resilient mounting

Details Resilient mounting Resilient mounting

1987-01-08

1987-10-20

Halvosa, George E. A.

Spring devices

Vehicle

Compound

180300, 180902, 248562, 2671401, 280712, F16F 1300

Patent

active

047009314

ABSTRACT:
A resilient mounting for engines, machine units, etc. During driving operation, resilient motor mounts having a supporting diaphragm-like element which oscillates freely via an air cushion generate undesirable and annoying noises, and they also transmit to the chassis and the body, in a practically undamped fashion, low-frequency oscillations. The present invention therefore provides an effective acoustic uncoupling, without adversely affecting the spring or shock absorption characteristic, via a damping device in the form of a flexible diaphragm which is provided with a throttled transfer hole. This diaphragm is attached between the air cushion and a supplemental space which receives compressed air, the pressure of which can be regulated.

REFERENCES:
patent: 4159091 (1979-06-01), LeSalver et al.
patent: 4352487 (1982-10-01), Shtarkman
patent: 4407491 (1983-10-01), Kunihiro et al.
patent: 4424961 (1984-01-01), Takei

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