Fluid support systems
First Claim
1. A fluid support system comprising a plurality of inflatable cells, blower means for supplying pressurised inflation fluid to the cells, electrically-powered drive means for driving the blower means, connectable to a source of electrical power, and valve means operable automatically, in the event of failure of the supply of electrical power, to seal-off inflation fluid present in the cells.
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Accused Products
Abstract
An air support system suitable as a hospital bed comprises a plurality of contiguous, inflatable cells 2. A blower 25 supplies inflation air to the cells. The blower 25 is driven by an electric motor 26 and solenoid valves 29, 50 operate automatically, in the event of electrical power failure, to seal-off inflation air present in the cells. Three-position spool valves 72-74 each operate to direct the flow of cell inflation air through a selected one of three alternative paths.
60 Citations
13 Claims
- 1. A fluid support system comprising a plurality of inflatable cells, blower means for supplying pressurised inflation fluid to the cells, electrically-powered drive means for driving the blower means, connectable to a source of electrical power, and valve means operable automatically, in the event of failure of the supply of electrical power, to seal-off inflation fluid present in the cells.
Specification