Drive unit, in particular for fire fighting installation

Details Drive unit, in particular for fire fighting installation Drive unit, in particular for fire fighting installation

A - Human Necessities

62

C

A62C 35/02 (2006.01) F15B 1/02 (2006.01)

Patent

CA 2160892

The invention relates to a drive unit, in particular for a fire fighting installation intended to operate with a high drive pressure, said unit comprising a number of hydraulic accumulators coupled in parallel. The object of the invention is to provide a new drive unit which is capable of delivering a sufficiently large drive gas flow. This is achieved in that the hydraulic accumulators are divided into at least two groups optionally connectable to at least one drive gas container charged to a high pressure, whereat said at least one drive gas container is arranged in a beginning stage to be connected to a first group of hydraulic accumulators and in a later stage be connected to another group of hydraulic accumulators.

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