Gas pre-charged mass counterbalancing

Details Gas pre-charged mass counterbalancing Gas pre-charged mass counterbalancing

1995-06-05

1996-10-01

Buiz, Michael Powell

Road structure, process, or apparatus

Traffic steering device or barrier

49 49, 49131, 60478, 14 717, E01F 1308

Patent

active

055607330

ABSTRACT:
A system for above grade and below grade installation, for rendering the mass weightless in preparation to being lifted subject to its mass inertia, wherein a pre-charge is applied to the pneumatic end of a pressure accumulator at a pre-set pressure, and an adjustment made charging the other end of the accumulator with a working fluid for balancing the mass as required against gravity and with a volume of working fluid to ensure operation, the pre-set gas pressure being increased by the adjustment to apply a working pressure for counterbalancing the mass above and below its weight as required.

REFERENCES:
patent: 4490068 (1984-12-01), Dickinson
patent: 4818136 (1989-04-01), Nasatka et al.
patent: 4850737 (1989-07-01), Nasatka et al.
patent: 4861185 (1989-08-01), Eikelenboon

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