Spring devices – Resilient shock or vibration absorber – Including energy absorbing means or feature
Patent
1987-04-02
1988-09-06
Butler, Douglas C.
Spring devices
Resilient shock or vibration absorber
Including energy absorbing means or feature
188299, 188319, 248562, 248566, 248636, 267219, 267152, F16F 914, F16F 950, F16F 1300, B60K 512
Patent
active
047687592
ABSTRACT:
The invention provides a hydraulic antivibratory support interposed between a vehicle chassis and engine, including a work chamber (A) and a compensation chamber (B) filled with liquid and joined together through a nozzle (19) whose section, which determines the frequency of the best damped oscillations, can be modified even during operation of the support. This nozzle is defined at least partially by a deformable wall (20) and modifications of the section of the nozzle are obtained by deforming the wall.
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patent: 2318437 (1943-05-01), Vickers
patent: 2457749 (1948-12-01), Thiry
patent: 4312493 (1982-01-01), Stauffer
patent: 4391435 (1983-07-01), Pham
patent: 4415148 (1983-11-01), Mair et al.
patent: 4418897 (1983-11-01), Hartel et al.
patent: 4424960 (1984-01-01), Dan et al.
patent: 4635897 (1987-01-01), Gallant
Bellamy Alain
Jouade Pierre
Butler Douglas C.
Hutchinson
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